lolengine
/
lol
mirror of https://github.com/lolengine/lol
1
0
Fork 0
Code Issues 0 Releases 0 Wiki Activity
Browse Source

removed added tutorial folders because of version mixup.

undefined
Benjamin ‘Touky’ Huet Sam Hocevar <sam@hocevar.net> 12 years ago
parent
0c750b9fcd
commit
874aa42f44
31 changed files with 0 additions and 3851 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +0
    -83
      tutorial/01_triangle.cpp
  2. +0
    -48
      tutorial/01_triangle.lolfx
  3. +0
    -79
      tutorial/01_triangle.vcxproj
  4. +0
    -156
      tutorial/02_cube.cpp
  5. +0
    -50
      tutorial/02_cube.lolfx
  6. +0
    -79
      tutorial/02_cube.vcxproj
  7. +0
    -93
      tutorial/03_noise.cpp
  8. +0
    -278
      tutorial/03_noise.lolfx
  9. +0
    -79
      tutorial/03_noise.vcxproj
  10. +0
    -127
      tutorial/04_texture.cpp
  11. +0
    -148
      tutorial/04_texture.lolfx
  12. +0
    -79
      tutorial/04_texture.vcxproj
  13. +0
    -145
      tutorial/05_easymesh.cpp
  14. +0
    -76
      tutorial/05_easymesh.vcxproj
  15. +0
    -106
      tutorial/06_sprite.cpp
  16. BIN
      tutorial/06_sprite.png
  17. +0
    -68
      tutorial/06_sprite.vcxproj
  18. +0
    -154
      tutorial/08_fbo.cpp
  19. +0
    -94
      tutorial/08_fbo.lolfx
  20. +0
    -79
      tutorial/08_fbo.vcxproj
  21. +0
    -579
      tutorial/11_fractal.cpp
  22. +0
    -192
      tutorial/11_fractal.lolfx
  23. +0
    -79
      tutorial/11_fractal.vcxproj
  24. +0
    -94
      tutorial/12_distance.lolfx
  25. +0
    -92
      tutorial/12_texture_to_screen.lolfx
  26. +0
    -405
      tutorial/12_voronoi.cpp
  27. +0
    -93
      tutorial/12_voronoi.lolfx
  28. +0
    -83
      tutorial/12_voronoi.vcxproj
  29. +0
    -94
      tutorial/12_voronoi_distance.lolfx
  30. +0
    -70
      tutorial/12_voronoi_setup.lolfx
  31. +0
    -49
      tutorial/Makefile.am

+ 0
- 83
tutorial/01_triangle.cpp View File

@@ -1,83 +0,0 @@
//
// Lol Engine - Triangle tutorial
//
// Copyright: (c) 2012-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

LOLFX_RESOURCE_DECLARE(01_triangle);

class Triangle : public WorldEntity
{
public:
Triangle()
{
m_vertices << vec2( 0.0, 0.8);
m_vertices << vec2(-0.8, -0.8);
m_vertices << vec2( 0.8, -0.8);
m_ready = false;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
m_shader = Shader::Create(LOLFX_RESOURCE_NAME(01_triangle));
m_coord = m_shader->GetAttribLocation("in_Position", VertexUsage::Position, 0);

m_vdecl = new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position));

m_vbo = new VertexBuffer(m_vertices.Bytes());
void *vertices = m_vbo->Lock(0, 0);
memcpy(vertices, &m_vertices[0], m_vertices.Bytes());
m_vbo->Unlock();

m_ready = true;

/* FIXME: this object never cleans up */
}

m_shader->Bind();
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 3);
m_vdecl->Unbind();
}

private:
Array<vec2> m_vertices;
Shader *m_shader;
ShaderAttrib m_coord;
VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;
bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 1: Triangle", ivec2(640, 480), 60.0f);

new DebugFps(5, 5);
new Triangle();

app.Run();
return EXIT_SUCCESS;
}


+ 0
- 48
tutorial/01_triangle.lolfx View File

@@ -1,48 +0,0 @@
/*
* Awesome triangle shader
*/

technique FlatColor
{
pass DefaultPass
{
vertexshader = vert;
pixelshader = frag;
}
}

[vert.glsl]
#version 120

attribute vec2 in_Position;

void main(void)
{
gl_Position = vec4(in_Position, 0.0, 1.0);
}

[frag.glsl]
#version 120

#if defined GL_ES
precision highp float;
#endif

void main(void)
{
gl_FragColor = vec4(0.7, 0.2, 0.5, 1.0);
}

[vert.hlsl]
void main(float2 in_Position : POSITION,
out float4 out_Position : POSITION)
{
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]
void main(out float4 out_FragColor : COLOR)
{
out_FragColor = float4(0.7, 0.2, 0.5, 1.0);
}


+ 0
- 79
tutorial/01_triangle.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="01_triangle.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="01_triangle.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{b92abadc-45be-4cc5-b724-9426053123a1}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 156
tutorial/02_cube.cpp View File

@@ -1,156 +0,0 @@
//
// Lol Engine - Cube tutorial
//
// Copyright: (c) 2011-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

LOLFX_RESOURCE_DECLARE(02_cube);

class Cube : public WorldEntity
{
public:
Cube()
{
m_angle = 0;

/* Front vertices/colors */
m_mesh.Push(vec3(-1.0, -1.0, 1.0), vec3(1.0, 0.0, 1.0));
m_mesh.Push(vec3( 1.0, -1.0, 1.0), vec3(0.0, 1.0, 0.0));
m_mesh.Push(vec3( 1.0, 1.0, 1.0), vec3(1.0, 0.5, 0.0));
m_mesh.Push(vec3(-1.0, 1.0, 1.0), vec3(1.0, 1.0, 0.0));
/* Back */
m_mesh.Push(vec3(-1.0, -1.0, -1.0), vec3(1.0, 0.0, 0.0));
m_mesh.Push(vec3( 1.0, -1.0, -1.0), vec3(0.0, 0.5, 0.0));
m_mesh.Push(vec3( 1.0, 1.0, -1.0), vec3(0.0, 0.5, 1.0));
m_mesh.Push(vec3(-1.0, 1.0, -1.0), vec3(0.0, 0.0, 1.0));

m_faces_indices << 0 << 1 << 2 << 2 << 3 << 0;
m_faces_indices << 1 << 5 << 6 << 6 << 2 << 1;
m_faces_indices << 7 << 6 << 5 << 5 << 4 << 7;
m_faces_indices << 4 << 0 << 3 << 3 << 7 << 4;
m_faces_indices << 4 << 5 << 1 << 1 << 0 << 4;
m_faces_indices << 3 << 2 << 6 << 6 << 7 << 3;

m_lines_indices << 0 << 1 << 1 << 2 << 2 << 3 << 3 << 0;
m_lines_indices << 4 << 5 << 5 << 6 << 6 << 7 << 7 << 4;
m_lines_indices << 0 << 4 << 1 << 5 << 2 << 6 << 3 << 7;

m_ready = false;
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

m_angle += seconds * 45.0f;

mat4 anim = mat4::rotate(m_angle, vec3(0, 1, 0));
mat4 model = mat4::translate(vec3(0, 0, -4.5));
mat4 view = mat4::lookat(vec3(0, 2, 0), vec3(0, 0, -4), vec3(0, 1, 0));
mat4 proj = mat4::perspective(45.0f, 640.0f, 480.0f, 0.1f, 10.0f);

m_matrix = proj * view * model * anim;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
m_shader = Shader::Create(LOLFX_RESOURCE_NAME(02_cube));

m_mvp = m_shader->GetUniformLocation("in_Matrix");
m_coord = m_shader->GetAttribLocation("in_Vertex",
VertexUsage::Position, 0);
m_color = m_shader->GetAttribLocation("in_Color",
VertexUsage::Color, 0);

m_vdecl =
new VertexDeclaration(VertexStream<vec3,vec3>(VertexUsage::Position,
VertexUsage::Color));

m_vbo = new VertexBuffer(m_mesh.Bytes());
void *mesh = m_vbo->Lock(0, 0);
memcpy(mesh, &m_mesh[0], m_mesh.Bytes());
m_vbo->Unlock();

m_lines_ibo = new IndexBuffer(m_lines_indices.Bytes());
void *indices = m_lines_ibo->Lock(0, 0);
memcpy(indices, &m_lines_indices[0], m_lines_indices.Bytes());
m_lines_ibo->Unlock();

m_faces_ibo = new IndexBuffer(m_faces_indices.Bytes());
indices = m_faces_ibo->Lock(0, 0);
memcpy(indices, &m_faces_indices[0], m_faces_indices.Bytes());
m_faces_ibo->Unlock();

/* FIXME: this object never cleans up */
m_ready = true;
}

g_renderer->SetClearColor(vec4(0.0f, 0.0f, 0.0f, 1.0f));

m_shader->Bind();
m_vdecl->SetStream(m_vbo, m_coord, m_color);
m_vdecl->Bind();

m_shader->SetUniform(m_mvp, m_matrix);
m_lines_ibo->Bind();
m_vdecl->DrawIndexedElements(MeshPrimitive::Lines, 0, 0,
m_mesh.Count(), 0, m_lines_indices.Count());
m_lines_ibo->Unbind();

m_shader->SetUniform(m_mvp, m_matrix * mat4::scale(0.5f));
m_faces_ibo->Bind();
m_vdecl->DrawIndexedElements(MeshPrimitive::Triangles, 0, 0,
m_mesh.Count(), 0, m_faces_indices.Count());
m_faces_ibo->Unbind();

m_vdecl->Unbind();
}

private:
float m_angle;
mat4 m_matrix;
Array<vec3,vec3> m_mesh;
Array<uint16_t> m_lines_indices, m_faces_indices;

Shader *m_shader;
ShaderAttrib m_coord, m_color;
ShaderUniform m_mvp;
VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;
IndexBuffer *m_lines_ibo, *m_faces_ibo;

bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 2: Cube", ivec2(640, 480), 60.0f);

new DebugFps(5, 5);
new Cube();

app.Run();

return EXIT_SUCCESS;
}


+ 0
- 50
tutorial/02_cube.lolfx View File

@@ -1,50 +0,0 @@
[vert.glsl]

#version 120

attribute vec3 in_Vertex;
attribute vec3 in_Color;
uniform mat4 in_Matrix;
varying vec3 pass_Color;

void main(void)
{
gl_Position = in_Matrix * vec4(in_Vertex, 1.0);
pass_Color = in_Color;
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

varying vec3 pass_Color;

void main(void)
{
gl_FragColor = vec4(pass_Color, 1.0);
}

[vert.hlsl]

void main(float3 in_Vertex : POSITION,
float3 in_Color : COLOR,
uniform float4x4 in_Matrix,
out float4 out_Position : POSITION,
out float3 pass_Color : COLOR)
{
pass_Color = in_Color;
out_Position = mul(in_Matrix, float4(in_Vertex, 1.0));
}

[frag.hlsl]

void main(float3 pass_Color : COLOR,
out float4 out_FragColor : COLOR)
{
out_FragColor = float4(pass_Color, 1.0);
}


+ 0
- 79
tutorial/02_cube.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="02_cube.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="02_cube.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{7b083da2-fe08-4f6d-bfdd-195d5c2783eb}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 93
tutorial/03_noise.cpp View File

@@ -1,93 +0,0 @@
//
// Lol Engine - Noise tutorial
//
// Copyright: (c) 2012-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

LOLFX_RESOURCE_DECLARE(03_noise);

class NoiseDemo : public WorldEntity
{
public:
NoiseDemo() :
m_time(0.0),
m_ready(false)
{
m_vertices << vec2(-1.0, 1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2(-1.0, 1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2( 1.0, 1.0);
m_ready = false;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

m_time += seconds;

if (!m_ready)
{
m_shader = Shader::Create(LOLFX_RESOURCE_NAME(03_noise));
m_coord = m_shader->GetAttribLocation("in_Position", VertexUsage::Position, 0);
m_time_uni = m_shader->GetUniformLocation("u_Time");

m_vdecl = new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position));

m_vbo = new VertexBuffer(m_vertices.Bytes());
void *vertices = m_vbo->Lock(0, 0);
memcpy(vertices, &m_vertices[0], m_vertices.Bytes());
m_vbo->Unlock();

m_ready = true;

/* FIXME: this object never cleans up */
}

m_shader->Bind();
m_shader->SetUniform(m_time_uni, m_time);
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
}

private:
Array<vec2> m_vertices;
Shader *m_shader;
ShaderAttrib m_coord;
ShaderUniform m_time_uni;
VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;
float m_time;
bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 3: Noise", ivec2(1280, 720), 60.0f);

new NoiseDemo();

app.Run();
return EXIT_SUCCESS;
}


+ 0
- 278
tutorial/03_noise.lolfx View File

@@ -1,278 +0,0 @@
[vert.glsl]

#version 120

uniform float u_Time;

attribute vec2 in_Position;

varying vec4 pass_Position;
varying vec3 water[4];
varying vec3 fire[4];

float mod289(float x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}

void main(void)
{
mat3 r = mat3(0.36, 0.48, -0.8, -0.8, 0.60, 0.0, 0.48, 0.64, 0.60);
vec3 p_pos = r * vec3(in_Position * vec2(16.0, 9.0), 0.0);
vec3 p_time = r * vec3(0.0, 0.0, u_Time * 2.0);

/* Noise sampling points for water */
water[0] = p_pos / 2.0 + p_time;
water[1] = p_pos / 4.0 + p_time;
water[2] = p_pos / 8.0 + p_time;
water[3] = p_pos / 16.0 + p_time;

/* Noise sampling points for fire */
p_pos = 16.0 * p_pos - r * vec3(0.0, mod289(u_Time) * 128.0, 0.0);
fire[0] = p_pos / 2.0 + p_time * 2.0;
fire[1] = p_pos / 4.0 + p_time * 1.5;
fire[2] = p_pos / 8.0 + p_time;
fire[3] = p_pos / 16.0 + p_time;

/* Pass rotated screen coordinates */
pass_Position.xy = in_Position;
mat2 rot = mat2(cos(u_Time), sin(u_Time), -sin(u_Time), cos(u_Time));
pass_Position.zw = rot * in_Position;

gl_Position = vec4(in_Position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform float u_Time;

varying vec4 pass_Position;
varying vec3 water[4];
varying vec3 fire[4];

vec4 mod289(vec4 x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}

vec4 perm(vec4 x)
{
return mod289(((x * 34.0) + 1.0) * x);
}

float noise3d(vec3 p)
{
vec3 a = floor(p);
vec3 d = p - a;
d = d * d * (3.0 - 2.0 * d);

vec4 b = a.xxyy + vec4(0.0, 1.0, 0.0, 1.0);
vec4 k1 = perm(b.xyxy);
vec4 k2 = perm(k1.xyxy + b.zzww);

vec4 c = k2 + a.zzzz;
vec4 k3 = perm(c);
vec4 k4 = perm(c + 1.0);

vec4 o1 = fract(k3 * (1.0 / 41.0));
vec4 o2 = fract(k4 * (1.0 / 41.0));

vec4 o3 = o2 * d.z + o1 * (1.0 - d.z);
vec2 o4 = o3.yw * d.x + o3.xz * (1.0 - d.x);

return o4.y * d.y + o4.x * (1.0 - d.y);
}

void main(void)
{
/* Dither the transition between water and fire */
float test = pass_Position.z * pass_Position.w + 1.5 * sin(u_Time);
vec2 d = vec2(16.0, 9.0) * pass_Position.xy;
test += 0.5 * (length(fract(d) - 0.5) - length(fract(d + 0.5) - 0.5));

/* Compute 4 octaves of noise */
#if defined GL_ES
vec4 n = vec4(noise3d((test > 0.0) ? fire[0] : water[0]),
noise3d((test > 0.0) ? fire[1] : water[1]),
noise3d((test > 0.0) ? fire[2] : water[2]),
noise3d((test > 0.0) ? fire[3] : water[3]));
#else
vec3 points[4] = (test > 0.0) ? fire : water;
vec4 n = vec4(noise3d(points[0]),
noise3d(points[1]),
noise3d(points[2]),
noise3d(points[3]));
#endif

vec4 color;

if (test > 0.0)
{
/* Use noise results for fire */
float p = dot(n, vec4(0.125, 0.125, 0.25, 0.5));

/* Fade to black on top of screen */
p -= pass_Position.y * 0.8 + 0.25;
p = max(p, 0.0);
p = min(p, 1.0);

float q = p * p * (3.0 - 2.0 * p);
float r = q * q * (3.0 - 2.0 * q);
color = vec4(min(q * 2.0, 1.0),
max(r * 1.5 - 0.5, 0.0),
max(q * 8.0 - 7.3, 0.0),
1.0);
}
else
{
/* Use noise results for water */
float p = dot(abs(2.0 * n - 1.0),
vec4(0.5, 0.25, 0.125, 0.125));
float q = sqrt(p);

color = vec4(1.0 - q,
1.0 - 0.5 * q,
1.0,
1.0);
}

gl_FragColor = color;
}

[vert.hlsl]

float mod289(float x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}

void main(float2 in_Position : POSITION,
uniform float u_Time,
out float4 out_Position : POSITION,
out float4 pass_Position : TEXCOORD0,
out float3 water[4] : TEXCOORD1,
out float3 fire[4] : TEXCOORD5)
{
float3x3 r = float3x3(0.36, 0.48, -0.8, -0.8, 0.60, 0.0, 0.48, 0.64, 0.60);
float3 p_pos = mul(r, float3(in_Position * float2(16.0, 9.0), 0.0));
float3 p_time = mul(r, float3(0.0, 0.0, u_Time * 2.0));

/* Noise sampling points for water */
water[0] = p_pos / 2.0 + p_time;
water[1] = p_pos / 4.0 + p_time;
water[2] = p_pos / 8.0 + p_time;
water[3] = p_pos / 16.0 + p_time;

/* Noise sampling points for fire */
p_pos = 16.0 * p_pos - mul(r, float3(0.0, mod289(u_Time) * 128.0, 0.0));
fire[0] = p_pos / 2.0 + p_time * 2.0;
fire[1] = p_pos / 4.0 + p_time * 1.5;
fire[2] = p_pos / 8.0 + p_time;
fire[3] = p_pos / 16.0 + p_time;

/* Pass rotated screen coordinates */
pass_Position.xy = in_Position;
float2x2 rot = float2x2(cos(u_Time), sin(u_Time), -sin(u_Time), cos(u_Time));
pass_Position.zw = mul(rot, in_Position);

out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

float4 mod289(float4 x)
{
return x - floor(x * (1.0 / 289.0)) * 289.0;
}

float4 perm(float4 x)
{
return mod289(((x * 34.0) + 1.0) * x);
}

float noise3d(float3 p)
{
float3 a = floor(p);
float3 d = p - a;
d = d * d * (3.0 - 2.0 * d);

float4 b = a.xxyy + float4(0.0, 1.0, 0.0, 1.0);
float4 k1 = perm(b.xyxy);
float4 k2 = perm(k1.xyxy + b.zzww);

float4 c = k2 + a.zzzz;
float4 k3 = perm(c);
float4 k4 = perm(c + 1.0);

float4 o1 = frac(k3 * (1.0 / 41.0));
float4 o2 = frac(k4 * (1.0 / 41.0));

float4 o3 = o2 * d.z + o1 * (1.0 - d.z);
float2 o4 = o3.yw * d.x + o3.xz * (1.0 - d.x);

return o4.y * d.y + o4.x * (1.0 - d.y);
}

void main(in float4 pass_Position : TEXCOORD0,
in float3 water[4] : TEXCOORD1,
in float3 fire[4] : TEXCOORD5,
uniform float u_Time,
out float4 out_FragColor : COLOR)
{
/* Dither the transition between water and fire */
float test = pass_Position.z * pass_Position.w + 1.5 * sin(u_Time);
float2 d = float2(16.0, 9.0) * pass_Position.xy;
test += 0.5 * (length(frac(d) - 0.5) - length(frac(d + 0.5) - 0.5));

float3 points[4];
points[0] = (test > 0.0) ? fire[0] : water[0];
points[1] = (test > 0.0) ? fire[1] : water[1];
points[2] = (test > 0.0) ? fire[2] : water[2];
points[3] = (test > 0.0) ? fire[3] : water[3];

/* Compute 4 octaves of noise */
float4 n = float4(noise3d(points[0]),
noise3d(points[1]),
noise3d(points[2]),
noise3d(points[3]));

float4 color;

if (test > 0.0)
{
/* Use noise results for fire */
float p = dot(n, float4(0.125, 0.125, 0.25, 0.5));

/* Fade to black on top of screen */
p -= pass_Position.y * 0.8 + 0.25;
p = max(p, 0.0);
p = min(p, 1.0);

float q = p * p * (3.0 - 2.0 * p);
float r = q * q * (3.0 - 2.0 * q);
color = float4(min(q * 2.0, 1.0),
max(r * 1.5 - 0.5, 0.0),
max(q * 8.0 - 7.3, 0.0),
1.0);
}
else
{
/* Use noise results for water */
float p = dot(abs(2.0 * n - 1.0),
float4(0.5, 0.25, 0.125, 0.125));
float q = sqrt(p);

color = float4(1.0 - q,
1.0 - 0.5 * q,
1.0,
1.0);
}

out_FragColor = color;
}

+ 0
- 79
tutorial/03_noise.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="03_noise.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="03_noise.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{b0a53d75-cbb4-4fdf-93ac-2d12a79ada0e}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 127
tutorial/04_texture.cpp View File

@@ -1,127 +0,0 @@
//
// Lol Engine - Graphing tutorial
//
// Copyright: (c) 2012-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

static int const TEXTURE_WIDTH = 256;

LOLFX_RESOURCE_DECLARE(04_texture);

class TextureDemo : public WorldEntity
{
public:
TextureDemo() :
m_frames(0),
m_ready(false)
{
m_vertices << vec2(-1.0, 1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2(-1.0, 1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2( 1.0, 1.0);

m_heightmap = new uint8_t[TEXTURE_WIDTH * 1];
}

virtual ~TextureDemo()
{
delete m_heightmap;
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

/* Generate a new heightmap at the beginning */
if (m_frames == 0)
memset(m_heightmap, 255, TEXTURE_WIDTH);

/* Scroll left */
for (int i = 0; i < TEXTURE_WIDTH - 1; i++)
m_heightmap[i] = m_heightmap[i + 1];

int height = m_heightmap[TEXTURE_WIDTH - 1];
height = (height + 127 + 40 * lol::sin(m_frames * 0.03) + rand() % 97 - 38) / 2;
height = std::max(15, std::min(height, 240));
m_heightmap[TEXTURE_WIDTH - 1] = height;

/* Update frame counter */
++m_frames;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

/* Initialise GPU data */
if (!m_ready)
{
m_texture = new Texture(ivec2(TEXTURE_WIDTH, 1), PixelFormat::Y_8);

m_shader = Shader::Create(LOLFX_RESOURCE_NAME(04_texture));
m_coord = m_shader->GetAttribLocation("in_Position", VertexUsage::Position, 0);

m_vdecl = new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position));

m_vbo = new VertexBuffer(m_vertices.Bytes());
void *vertices = m_vbo->Lock(0, 0);
memcpy(vertices, &m_vertices[0], m_vertices.Bytes());
m_vbo->Unlock();

m_ready = true;

/* FIXME: this object never cleans up */
}

/* Send new heightmap to GPU */
m_texture->SetData(m_heightmap);

m_shader->Bind();
m_shader->SetUniform(m_texture_uni, m_texture->GetTexture(), 0);
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
}

private:
Array<vec2> m_vertices;
Texture *m_texture;
Shader *m_shader;
ShaderAttrib m_coord;
ShaderUniform m_texture_uni;
VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;
uint8_t *m_heightmap;
int m_frames;
bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 4: Texture", ivec2(1280, 720), 60.0f);

new TextureDemo();

app.Run();
return EXIT_SUCCESS;
}


+ 0
- 148
tutorial/04_texture.lolfx View File

@@ -1,148 +0,0 @@
[vert.glsl]

#version 120

attribute vec2 in_Position;

varying vec4 pass_Position;

void main(void)
{
pass_Position = vec4(0.5 * in_Position + 0.5, 0.0, 1.0);
gl_Position = vec4(in_Position, 0.5, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D u_Texture;

varying vec4 pass_Position;

float segdist(vec2 p1, vec2 p2, vec2 a)
{
float d = max(1e-10, dot(p2 - p1, p2 - p1));
float t = clamp(dot(a - p1, p2 - p1) / d, 0.0, 1.0);
return distance(a, mix(p1, p2, t));
}

void main(void)
{
float width = 800.0;
float height = 600.0;
float texture_width = 256.0;
float line_width = 1.2;
float dot_size = 1.0;
vec4 delta = vec4(1.0 / texture_width, 0.0,
2.0 / texture_width, 0.0);

vec2 p = pass_Position.xy;
vec2 tc = vec2(floor(p.x * texture_width) / texture_width, p.y);
float t = p.x * texture_width - floor(p.x * texture_width);
vec4 c;
c[0] = texture2D(u_Texture, tc - delta.xy).x;
c[1] = texture2D(u_Texture, tc).x;
c[2] = texture2D(u_Texture, tc + delta.xy).x;
c[3] = texture2D(u_Texture, tc + delta.zw).x;

/* Find the 4 closest points in screen space */
vec2 p0 = vec2((tc.x - delta.x) * width, c[0] * height);
vec2 p1 = vec2((tc.x ) * width, c[1] * height);
vec2 p2 = vec2((tc.x + delta.x) * width, c[2] * height);
vec2 p3 = vec2((tc.x + delta.z) * width, c[3] * height);
vec2 a = vec2(p.x * width, p.y * height);

/* Compute distance to segments */
float d = segdist(p0, p1, a);
d = min(d, segdist(p1, p2, a));
d = min(d, segdist(p2, p3, a));

/* Compute distance to dots */
d = min(d, length(a - p0) - dot_size);
d = min(d, length(a - p1) - dot_size);
d = min(d, length(a - p2) - dot_size);
d = min(d, length(a - p3) - dot_size);

/* Add line width */
float lum = clamp(line_width - d, 0.0, 1.0);

/* Compensate for sRGB */
lum = pow(1.0 - lum, 1.0 / 2.4);

/* Choose some funny colours */
gl_FragColor = vec4(mix(p.x, 1.0, lum), lum, lum, 1.0);
}

[vert.hlsl]

void main(float2 in_Position : POSITION,
out float4 out_Position : POSITION,
out float4 pass_Position : TEXCOORD0)
{
pass_Position = float4(0.5 * in_Position + 0.5, 0.0, 1.0);
out_Position = float4(in_Position, 0.5, 1.0);
}

[frag.hlsl]

float segdist(float2 p1, float2 p2, float2 a)
{
float d = max(1e-10, dot(p2 - p1, p2 - p1));
float t = clamp(dot(a - p1, p2 - p1) / d, 0.0, 1.0);
return distance(a, lerp(p1, p2, t));
}

void main(in float4 pass_Position : TEXCOORD0,
uniform sampler2D u_Texture,
out float4 out_FragColor : COLOR)
{
float width = 800.0;
float height = 600.0;
float texture_width = 256.0;
float line_width = 1.2;
float dot_size = 1.0;
float4 delta = float4(1.0 / texture_width, 0.0,
2.0 / texture_width, 0.0);

float2 p = pass_Position.xy;
float2 tc = float2(floor(p.x * texture_width) / texture_width, p.y);
float t = p.x * texture_width - floor(p.x * texture_width);
float4 c;
c[0] = tex2D(u_Texture, tc - delta.xy).x;
c[1] = tex2D(u_Texture, tc).x;
c[2] = tex2D(u_Texture, tc + delta.xy).x;
c[3] = tex2D(u_Texture, tc + delta.zw).x;

/* Find the 4 closest points in screen space */
float2 p0 = float2((tc.x - delta.x) * width, c[0] * height);
float2 p1 = float2((tc.x ) * width, c[1] * height);
float2 p2 = float2((tc.x + delta.x) * width, c[2] * height);
float2 p3 = float2((tc.x + delta.z) * width, c[3] * height);
float2 a = float2(p.x * width, p.y * height);

/* Compute distance to segments */
float d = segdist(p0, p1, a);
d = min(d, segdist(p1, p2, a));
d = min(d, segdist(p2, p3, a));

/* Compute distance to dots */
d = min(d, length(a - p0) - dot_size);
d = min(d, length(a - p1) - dot_size);
d = min(d, length(a - p2) - dot_size);
d = min(d, length(a - p3) - dot_size);

/* Add line width */
float lum = clamp(line_width - d, 0.0, 1.0);

/* Compensate for sRGB */
lum = pow(1.0 - lum, 1.0 / 2.4);

/* Choose some funny colours */
out_FragColor = float4(lerp(p.x, 1.0, lum), lum, lum, 1.0);
}


+ 0
- 79
tutorial/04_texture.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="04_texture.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="04_texture.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{834852db-edb6-4fd0-bcf9-45cd01126962}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 145
tutorial/05_easymesh.cpp View File

@@ -1,145 +0,0 @@
//
// Lol Engine - EasyMesh tutorial
//
// Copyright: (c) 2011-2013 Sam Hocevar <sam@hocevar.net>
// (c) 2012-2013 Benjamin "Touky" Huet <huet.benjamin@gmail.com>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"

using namespace std;
using namespace lol;

class EasyMeshTutorial : public WorldEntity
{
public:
EasyMeshTutorial()
{
m_gears.Push(EasyMesh(), mat4(1.0f), 0.0f);
m_gears.Push(EasyMesh(), mat4(1.0f), 0.0f);
m_gears.Push(EasyMesh(), mat4(1.0f), 180.0f / 18);
m_gears.Push(EasyMesh(), mat4(1.0f), 180.0f / 18);
m_gears.Push(EasyMesh(), mat4(1.0f), 180.0f / 18);

m_gears[0].m1.Compile("[sc#00f ab 8 1 8 ty -.25]"
"[sc#f9f scb#f9f acg 12 10 5 5 20 20 5 5 0.1 0 s .1 .1 .1 ty -.1 csgu]"
"[sc#fff scb#000 acg 12 10 10 10 20 20 5 5 0.1 0 s .05 .05 .05 tx -1.5 ty .3 csgu]"
"[sc#00f ab 5 3 9 tx 2.5 csgs]"
"[[ sc#fff ab 3 1.4 2 tx -2 tz -2 "
"[sc#fff ab 2.1 .7 1.1 ty .5 tx -1.4 tz -1.4 csgs] mz] csgu]");
//m_gears[0].m1.Compile("[sc#f9f scb#f9f acg 12 10 5 5 20 20 5 5 0.1 0 s .1 .1 .1 [sc#00f ab 3 1 2 ty .25 tx 1 csgs]]");
m_gears[1].m1.Compile("sc#ff9 scb#ff9 acg 54 10 95 95 90 90 -5 -5 0.1 0 s .1 .1 .1");
//m_gears[2].m1.Compile("sc#9ff scb#9ff acg 18 10 5 5 30 30 5 5 0.1 0 s .1 .1 .1 [sc#00f scb#00f ab 2 2 2 tx 1.5]");
//m_gears[3].m1.Compile("sc#9ff scb#9ff acg 18 10 5 5 30 30 5 5 0.1 0 s .1 .1 .1 [sc#00f scb#00f ab 2 2 2 tx 1.5]");
//m_gears[4].m1.Compile("sc#9ff scb#9ff acg 18 10 5 5 30 30 5 5 0.1 0 s .1 .1 .1 [sc#00f scb#00f ab 2 2 2 tx 1.5]");
m_gears[2].m1.Compile("[sc#0f0 ab 2 2 2 t .8 .8 .8 rx 20 ry 20 [sc#00f ab 2 2 2 tx 0 csgu]]");
m_gears[3].m1.Compile("[sc#0f0 ab 2 2 2 t .8 .8 .8 rx 20 ry 20 [sc#00f ab 2 2 2 tx 0 csgs]]");
m_gears[4].m1.Compile("[sc#0f0 ab 2 2 2 t .8 .8 .8 rx 20 ry 20 [sc#00f ab 2 2 2 tx 0 csga]]");

m_angle = 0;

m_camera = new Camera();
m_camera->SetProjection(mat4::perspective(30.f, 960.f, 600.f, .1f, 1000.f));
m_camera->SetView(mat4::lookat(vec3(-15.f, 5.f, 0.f),
vec3(0.f, -1.f, 0.f),
vec3(0.f, 1.f, 0.f)));
g_scene->PushCamera(m_camera);

/* Add a white directional light */
m_light1 = new Light();
m_light1->SetPosition(vec4(0.2f, 0.2f, 0.f, 0.f));
m_light1->SetColor(vec4(0.5f, 0.5f, 0.5f, 1.f));
Ticker::Ref(m_light1);

/* Add an orangeish point light */
m_light2 = new Light();
m_light2->SetPosition(vec4(-15.f, 15.f, 15.f, 1.f));
m_light2->SetColor(vec4(0.4f, 0.3f, 0.2f, 1.f));
Ticker::Ref(m_light2);

m_ready = false;
}

~EasyMeshTutorial()
{
g_scene->PopCamera(m_camera);
Ticker::Unref(m_light1);
Ticker::Unref(m_light2);
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

m_angle += seconds * 70.0f;
m_mat = mat4::rotate(10.0f, vec3(0, 0, 1))
* mat4::rotate(100, vec3(0, 1, 0));
// * mat4::rotate(m_angle, vec3(0, 1, 0));

m_gears[0].m3 += seconds * 20.0f;
m_gears[1].m3 += seconds * 20.0f * -2 / 9;
m_gears[2].m3 += seconds * 20.0f * -2 / 3;
m_gears[3].m3 += seconds * 20.0f * -2 / 3;
m_gears[4].m3 += seconds * 20.0f * -2 / 3;

m_gears[0].m2 = mat4::translate(vec3(0, -1, 0))
* mat4::rotate(m_gears[0].m3 - 130.0f, vec3(0, 1, 0))
* mat4::rotate(40.0f, vec3(0, 0, 1));
m_gears[1].m2 = mat4::translate(vec3(0, 0, 0))
* mat4::rotate(m_gears[1].m3, vec3(0, 1, 0));
m_gears[2].m2 = mat4::translate(vec3(0, 0, 5.5f))
* mat4::rotate(m_gears[2].m3 - 40.0f, vec3(0, 1, 0))
* mat4::rotate(90.0f, vec3(0, 0, 1));
m_gears[3].m2 = mat4::translate(vec3(5.5f * lol::sqrt(3.f) * 0.5f, 0, -5.5f * 0.5f))
* mat4::rotate(m_gears[3].m3 - 140.0f, vec3(0, 1, 0))
* mat4::rotate(-70.0f, vec3(0, 0, 1));
m_gears[4].m2 = mat4::translate(vec3(-5.5f * lol::sqrt(3.f) * 0.5f, 0, -5.5f * 0.5f))
* mat4::rotate(m_gears[4].m3 - 80.0f, vec3(0, 1, 0));
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
g_renderer->SetClearColor(vec4(0.0f, 0.0f, 0.0f, 1.0f));

for (int i = 0; i < m_gears.Count(); i++)
m_gears[i].m1.MeshConvert();
m_ready = true;
}

for (int i = 0; i < m_gears.Count(); i++)
m_gears[i].m1.Render(m_mat * m_gears[i].m2);
}

private:
Array<EasyMesh, mat4, float> m_gears;
float m_angle;
mat4 m_mat;
Camera *m_camera;
Light *m_light1, *m_light2;

bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 5: EasyMesh", ivec2(960, 600), 60.0f);
new EasyMeshTutorial();
app.Run();

return EXIT_SUCCESS;
}


+ 0
- 76
tutorial/05_easymesh.vcxproj View File

@@ -1,76 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="05_easymesh.cpp" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{1c5b8702-290c-42da-aa9e-671348f5b747}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 106
tutorial/06_sprite.cpp View File

@@ -1,106 +0,0 @@
//
// Lol Engine - Sprite tutorial
//
// Copyright: (c) 2011-2013 Sam Hocevar <sam@hocevar.net>
// (c) 2012 Daniel Stephens (artwork)
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"

using namespace std;
using namespace lol;

class SpriteTutorial : public WorldEntity
{
public:
SpriteTutorial()
{
m_camera = new Camera();
m_camera->SetView(mat4(1.f));
m_camera->SetProjection(mat4::ortho(0.f, 640.f, 0.f, 480.f, -100.f, 100.f));
g_scene->PushCamera(m_camera);
Ticker::Ref(m_camera);

m_tileset = Tiler::Register("06_sprite.png");
for (int i = 0; i < FRAME_COUNT; ++i)
m_tileset->AddTile(ibox2(i * 24, 376, 24 + i * 24, 24 + 376));

for (int i = 0; i < SPRITE_COUNT; ++i)
{
m_sprites.Push(ivec3(rand(-96, 640), rand(-96, 480), 0),
rand(0.f, 1.f));
}

m_ready = false;
}

~SpriteTutorial()
{
Tiler::Deregister(m_tileset);

g_scene->PopCamera(m_camera);
Ticker::Unref(m_camera);
}

virtual void TickGame(float seconds)
{
for (int i = 0; i < SPRITE_COUNT; ++i)
{
m_sprites[i].m1.y += 50.f * seconds;
m_sprites[i].m2 = lol::fmod(m_sprites[i].m2 + seconds, 1.f);
if (m_sprites[i].m1.y > 480 + 48)
m_sprites[i].m1.y = rand(-96, -48);
}

WorldEntity::TickGame(seconds);
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
g_renderer->SetClearColor(vec4(0.0f, 0.0f, 0.0f, 1.0f));
m_ready = true;
}

for (int i = 0; i < SPRITE_COUNT; ++i)
{
int frame = (int)(m_sprites[i].m2 * FRAME_COUNT);
// m_sprites[i].m1.z = frame;
g_scene->AddTile(m_tileset, frame,
(ivec3)m_sprites[i].m1, 0, vec2(2.f));
}
}

private:
Camera *m_camera;
TileSet *m_tileset;

static int const SPRITE_COUNT = 192;
static int const FRAME_COUNT = 16;
Array<vec3, float> m_sprites;

bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 6: Sprite", ivec2(640, 480), 60.0f);
new SpriteTutorial();
app.Run();

return EXIT_SUCCESS;
}


BIN
tutorial/06_sprite.png View File

Before After
Width: 400  |  Height: 400  |  Size: 152 KiB

+ 0
- 68
tutorial/06_sprite.vcxproj View File

@@ -1,68 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="06_sprite.cpp" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{1c5b8702-290c-42da-aa9e-671348f5b747}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 154
tutorial/08_fbo.cpp View File

@@ -1,154 +0,0 @@
//
// Lol Engine - Framebuffer Object tutorial
//
// Copyright: (c) 2012-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

LOLFX_RESOURCE_DECLARE(08_fbo);

class FBO : public WorldEntity
{
public:
FBO()
: m_time(0.f),
m_ready(false)
{
m_vertices << vec2( 1.0, 1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, 1.0);
m_vertices << vec2(-1.0, 1.0);
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

m_time += seconds;
m_hotspot = 0.4f * vec3(lol::sin(m_time * 4.f) + lol::cos(m_time * 5.3f),
lol::sin(m_time * 5.7f) + lol::cos(m_time * 4.4f),
lol::sin(m_time * 5.f));
m_color = 0.25f * vec3(1.1f + lol::sin(m_time * 2.5f + 1.f),
1.1f + lol::sin(m_time * 2.8f + 1.3f),
1.1f + lol::sin(m_time * 2.7f));
/* Saturate dot color */
float x = std::max(m_color.x, std::max(m_color.y, m_color.z));
m_color /= x;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
m_shader = Shader::Create(LOLFX_RESOURCE_NAME(08_fbo));
m_coord = m_shader->GetAttribLocation("in_Position", VertexUsage::Position, 0);
m_uni_flag = m_shader->GetUniformLocation("in_Flag");
m_uni_point = m_shader->GetUniformLocation("in_Point");
m_uni_color = m_shader->GetUniformLocation("in_Color");
m_uni_texture = m_shader->GetUniformLocation("in_Texture");

m_vdecl = new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position));

m_vbo = new VertexBuffer(m_vertices.Bytes());
void *vertices = m_vbo->Lock(0, 0);
memcpy(vertices, &m_vertices[0], m_vertices.Bytes());
m_vbo->Unlock();

m_fbo = new Framebuffer(Video::GetSize());
m_fbo->Bind();

{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}

m_fbo->Unbind();

m_ready = true;

/* FIXME: this object never cleans up */
}

/* FIXME: we should just disable depth test in the shader */
RenderContext rc;
rc.SetDepthFunc(DepthFunc::Disabled);

m_fbo->Bind();
m_shader->Bind();

#if _XBOX
/* FIXME: the Xbox enforces full EDRAM clears on each frame, so
* we cannot expect the render target contents to be preserved.
* This code snippet should be moved inside the Framebuffer class. */
m_shader->SetUniform(m_uni_flag, 1.f);
m_shader->SetUniform(m_uni_texture, m_fbo->GetTexture(), 0);
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
#endif

m_shader->SetUniform(m_uni_flag, 0.f);
m_shader->SetUniform(m_uni_point, m_hotspot);
m_shader->SetUniform(m_uni_color, m_color);
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
m_shader->Unbind();
m_fbo->Unbind();

m_shader->Bind();
m_shader->SetUniform(m_uni_flag, 1.f);
m_shader->SetUniform(m_uni_texture, m_fbo->GetTexture(), 0);
m_vdecl->SetStream(m_vbo, m_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
m_shader->Unbind();
}

private:
Array<vec2> m_vertices;
Shader *m_shader;
ShaderAttrib m_coord;
ShaderUniform m_uni_flag, m_uni_point, m_uni_color, m_uni_texture;
VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;
Framebuffer *m_fbo;
double m_time;
vec3 m_hotspot, m_color;
bool m_ready;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 08: Framebuffer Object", ivec2(512, 512), 60.0f);

new FBO();

app.Run();
return EXIT_SUCCESS;
}


+ 0
- 94
tutorial/08_fbo.lolfx View File

@@ -1,94 +0,0 @@
[vert.glsl]

#version 120

attribute vec2 in_Position;

varying vec2 pass_Position;

void main()
{
pass_Position = in_Position;
gl_Position = vec4(in_Position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_Texture;
uniform float in_Flag;
uniform vec3 in_Point;
uniform vec3 in_Color;

varying vec2 pass_Position;

void main(void)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
vec2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

gl_FragColor = vec4(tc * in_Color, ta + 0.1);
}
else
{
vec2 texcoords = pass_Position * 0.5 + vec2(0.5, 0.5);
gl_FragColor = vec4(texture2D(in_Texture, texcoords).xyz, 1.0);
}
}

[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
float2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

out_FragColor = float4(tc * in_Color, ta + 0.1);
}
else
{
float2 texcoords = pass_Position * float2(0.5, -0.5) + float2(0.5, 0.5);
/* FIXME: this should be passed as a uniform or something */
texcoords += float2(0.5 / 800.0, 0.5 / 600.0);
out_FragColor = float4(tex2D(in_Texture, texcoords).xyz, 1.0);
}
}


+ 0
- 79
tutorial/08_fbo.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="08_fbo.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="08_fbo.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{BCEE0132-8E24-49BE-AFEB-96DAD14396BA}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 579
tutorial/11_fractal.cpp View File

@@ -1,579 +0,0 @@
//
// Lol Engine - Fractal tutorial
//
// Copyright: (c) 2011-2013 Sam Hocevar <sam@hocevar.net>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include <cstring>
#include <cstdio>

#include "core.h"
#include "loldebug.h"

using namespace lol;

LOLFX_RESOURCE_DECLARE(11_fractal);

class Fractal : public WorldEntity
{
public:
Fractal(ivec2 const &size)
{
/* Ensure texture size is a multiple of 16 for better aligned
* data access. Store the dimensions of a texel for our shader,
* as well as the half-size of the screen. */
m_size = size;
m_size.x = (m_size.x + 15) & ~15;
m_size.y = (m_size.y + 15) & ~15;
m_texel_settings = vec4(1.0, 1.0, 2.0, 2.0) / m_size.xyxy;
m_screen_settings = vec4(1.0, 1.0, 0.5, 0.5) * m_size.xyxy;

/* Window size decides the world aspect ratio. For instance, 640×480
* will be mapped to (-0.66,-0.5) - (0.66,0.5). */
#if !defined __native_client__
m_window_size = Video::GetSize();
#else
/* FIXME: it's illegal to call this on the game thread! */
m_window_size = ivec2(640, 480);
#endif
if (m_window_size.y < m_window_size.x)
m_window2world = 0.5 / m_window_size.y;
else
m_window2world = 0.5 / m_window_size.x;
m_texel2world = (dvec2)m_window_size / (dvec2)m_size * m_window2world;

m_oldmouse = ivec2(0, 0);

m_pixels.Resize(m_size.x * m_size.y);
m_frame = -1;
m_slices = 4;
for (int i = 0; i < 4; i++)
{
m_deltashift[i] = real("0");
m_deltascale[i] = real("1");
m_dirty[i] = 2;
}
#if defined __CELLOS_LV2__ || defined _XBOX
//m_center = rcmplx(-.22815528839841, -1.11514249704382);
//m_center = rcmplx(0.001643721971153, 0.822467633298876);
m_center = rcmplx("-0.65823419062254", "0.50221777363480");
m_zoom_speed = -0.025;
#else
m_center = rcmplx(-0.75, 0.0);
m_zoom_speed = 0.0;
#endif
m_translate = rcmplx(0.0, 0.0);
m_radius = 5.0;
m_ready = false;
m_drag = false;

for (int i = 0; i < (MAX_ITERATIONS + 1) * PALETTE_STEP; i++)
{
double f = (double)i / PALETTE_STEP;

double r = 0.5 * lol::sin(f * 0.27 + 2.0) + 0.5;
double g = 0.5 * lol::sin(f * 0.17 - 1.8) + 0.5;
double b = 0.5 * lol::sin(f * 0.21 - 2.6) + 0.5;

if (f < 7.0)
{
f = f < 1.0 ? 0.0 : (f - 1.0) / 6.0;
r *= f;
g *= f;
b *= f;
}

uint8_t red = r * 255.99f;
uint8_t green = g * 255.99f;
uint8_t blue = b * 255.99f;
#if defined __CELLOS_LV2__ || defined _XBOX
m_palette.Push(u8vec4(255, red, green, blue));
#elif defined __native_client__
m_palette.Push(u8vec4(red, green, blue, 255));
#else
m_palette.Push(u8vec4(blue, green, red, 255));
#endif
}

#if !defined __native_client__
m_centertext = new Text(NULL, "data/font/ascii.png");
m_centertext->SetPos(ivec3(5, m_window_size.y - 15, 1));
Ticker::Ref(m_centertext);

m_mousetext = new Text(NULL, "data/font/ascii.png");
m_mousetext->SetPos(ivec3(5, m_window_size.y - 29, 1));
Ticker::Ref(m_mousetext);

m_zoomtext = new Text(NULL, "data/font/ascii.png");
m_zoomtext->SetPos(ivec3(5, m_window_size.y - 43, 1));
Ticker::Ref(m_zoomtext);
#endif

m_position = ivec3(0, 0, 0);
m_bbox[0] = m_position;
m_bbox[1] = ivec3(m_window_size, 0);
Input::TrackMouse(this);

#if LOL_FEATURE_THREADS
/* Spawn worker threads and wait for their readiness. */
for (int i = 0; i < MAX_THREADS; i++)
m_threads[i] = new Thread(DoWorkHelper, this);
for (int i = 0; i < MAX_THREADS; i++)
m_spawnqueue.Pop();
#endif
}

~Fractal()
{
#if LOL_FEATURE_THREADS
/* Signal worker threads for completion and wait for
* them to quit. */
for (int i = 0; i < MAX_THREADS; i++)
m_jobqueue.Push(-1);
for (int i = 0; i < MAX_THREADS; i++)
m_donequeue.Pop();
#endif

Input::UntrackMouse(this);
#if !defined __native_client__
Ticker::Unref(m_centertext);
Ticker::Unref(m_mousetext);
Ticker::Unref(m_zoomtext);
#endif
}

inline dcmplx TexelToWorldOffset(vec2 texel)
{
double dx = (0.5 + texel.x - m_size.x / 2) * m_texel2world.x;
double dy = (0.5 + m_size.y / 2 - texel.y) * m_texel2world.y;
return m_radius * dcmplx(dx, dy);
}

inline dcmplx ScreenToWorldOffset(vec2 pixel)
{
/* No 0.5 offset here, because we want to be able to position the
* mouse at (0,0) exactly. */
double dx = pixel.x - m_window_size.x / 2;
double dy = m_window_size.y / 2 - pixel.y;
return m_radius * m_window2world * dcmplx(dx, dy);
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

int prev_frame = (m_frame + 4) % 4;
m_frame = (m_frame + 1) % 4;

rcmplx worldmouse = m_center + rcmplx(ScreenToWorldOffset(m_mousepos));

uint32_t buttons = Input::GetMouseButtons();
#if !defined __CELLOS_LV2__ && !defined _XBOX
if (buttons & 0x2)
{
if (!m_drag)
{
m_oldmouse = m_mousepos;
m_drag = true;
}
m_translate = ScreenToWorldOffset(m_oldmouse)
- ScreenToWorldOffset(m_mousepos);
/* XXX: the purpose of this hack is to avoid translating by
* an exact number of pixels. If this were to happen, the step()
* optimisation for i915 cards in our shader would behave
* incorrectly because a quarter of the pixels in the image
* would have tie rankings in the distance calculation. */
m_translate *= real(1023.0 / 1024.0);
m_oldmouse = m_mousepos;
}
else
{
m_drag = false;
if (m_translate != rcmplx(0.0, 0.0))
{
m_translate *= real(std::pow(2.0, -seconds * 5.0));
if ((double)m_translate.norm() < m_radius * 1e-4)
m_translate = rcmplx(0.0, 0.0);
}
}

if (buttons & 0x5 && m_mousepos.x != -1)
{
double zoom = (buttons & 0x1) ? -0.5 : 0.5;
m_zoom_speed += zoom * seconds;
if (m_zoom_speed / zoom > 5e-3f)
m_zoom_speed = zoom * 5e-3f;
}
else if (m_zoom_speed)
{
m_zoom_speed *= std::pow(2.0, -seconds * 5.0);
if (lol::abs(m_zoom_speed) < 1e-5 || m_drag)
m_zoom_speed = 0.0;
}
#endif

if (m_zoom_speed || m_translate != rcmplx(0.0, 0.0))
{
rcmplx oldcenter = m_center;
double oldradius = m_radius;
double zoom = std::pow(2.0, seconds * 1e3f * m_zoom_speed);
if (m_radius * zoom > 8.0)
{
m_zoom_speed *= -1.0;
zoom = 8.0 / m_radius;
}
else if (m_radius * zoom < 1e-14)
{
m_zoom_speed *= -1.0;
zoom = 1e-14 / m_radius;
}
m_radius *= zoom;
#if !defined __CELLOS_LV2__ && !defined _XBOX
m_center += m_translate;
m_center = (m_center - worldmouse) * real(zoom) + worldmouse;
worldmouse = m_center + rcmplx(ScreenToWorldOffset(m_mousepos));
#endif

/* Store the transformation properties to go from m_frame - 1
* to m_frame. */
m_deltashift[prev_frame] = (m_center - oldcenter) / real(oldradius);
m_deltashift[prev_frame].x /= m_size.x * m_texel2world.x;
m_deltashift[prev_frame].y /= m_size.y * m_texel2world.y;
m_deltascale[prev_frame] = m_radius / oldradius;
m_dirty[0] = m_dirty[1] = m_dirty[2] = m_dirty[3] = 2;
}
else
{
/* If settings didn't change, set transformation from previous
* frame to identity. */
m_deltashift[prev_frame] = real::R_0();
m_deltascale[prev_frame] = real::R_1();
}

/* Transformation from current frame to current frame is always
* identity. */
m_zoom_settings[m_frame][0] = 0.0f;
m_zoom_settings[m_frame][1] = 0.0f;
m_zoom_settings[m_frame][2] = 1.0f;

/* Compute transformation from other frames to current frame */
for (int i = 0; i < 3; i++)
{
int prev_index = (m_frame + 4 - i) % 4;
int cur_index = (m_frame + 3 - i) % 4;

m_zoom_settings[cur_index][0] = (real)m_zoom_settings[prev_index][0] * m_deltascale[cur_index] + m_deltashift[cur_index].x;
m_zoom_settings[cur_index][1] = (real)m_zoom_settings[prev_index][1] * m_deltascale[cur_index] + m_deltashift[cur_index].y;
m_zoom_settings[cur_index][2] = (real)m_zoom_settings[prev_index][2] * m_deltascale[cur_index];
}

/* Precompute texture offset change instead of doing it in GLSL */
for (int i = 0; i < 4; i++)
{
m_zoom_settings[i][0] += 0.5 * (1.0 - m_zoom_settings[i][2]);
m_zoom_settings[i][1] -= 0.5 * (1.0 - m_zoom_settings[i][2]);
}

#if !defined __native_client__
char buf[256];
std::sprintf(buf, "center: ");
m_center.x.sprintf(buf + strlen(buf), 30);
std::sprintf(buf + strlen(buf), " ");
m_center.y.sprintf(buf + strlen(buf), 30);
m_centertext->SetText(buf);
std::sprintf(buf, " mouse: ");
worldmouse.x.sprintf(buf + strlen(buf), 30);
std::sprintf(buf + strlen(buf), " ");
worldmouse.y.sprintf(buf + strlen(buf), 30);
m_mousetext->SetText(buf);
std::sprintf(buf, " zoom: %g", 1.0 / m_radius);
m_zoomtext->SetText(buf);
#endif

if (m_dirty[m_frame])
{
m_dirty[m_frame]--;

for (int i = 0; i < m_size.y; i += MAX_LINES * 2)
{
#if LOL_FEATURE_THREADS
m_jobqueue.Push(i);
#else
DoWork(i);
#endif
}
}
}

#if LOL_FEATURE_THREADS
static void *DoWorkHelper(void *data)
{
Fractal *that = (Fractal *)data;
that->m_spawnqueue.Push(0);
for ( ; ; )
{
int line = that->m_jobqueue.Pop();
if (line == -1)
break;
that->DoWork(line);
that->m_donequeue.Push(0);
}
that->m_donequeue.Push(0);
return NULL;
};
#endif

void DoWork(int line)
{
double const maxsqlen = 1024;
double const k1 = 1.0 / (1 << 10) / (std::log(maxsqlen) / std::log(2.0));

int jmin = ((m_frame + 1) % 4) / 2 + line;
int jmax = jmin + MAX_LINES * 2;
if (jmax > m_size.y)
jmax = m_size.y;
u8vec4 *m_pixelstart = &m_pixels[0]
+ m_size.x * (m_size.y / 4 * m_frame + line / 4);

dcmplx c = (dcmplx)m_center;

for (int j = jmin; j < jmax; j += 2)
for (int i = m_frame % 2; i < m_size.x; i += 2)
{
double xr, yr, x0, y0, x1, y1, x2, y2, x3, y3;
dcmplx z0 = c + TexelToWorldOffset(ivec2(i, j));
//dcmplx r0(0.28693186889504513, 0.014286693904085048);
//dcmplx r0(0.001643721971153, 0.822467633298876);
//dcmplx r0(-1.207205434596, 0.315432814901);
//dcmplx r0(-0.79192956889854, -0.14632423080102);
//dcmplx r0(0.3245046418497685, 0.04855101129280834);
dcmplx r0 = z0;

x0 = z0.x; y0 = z0.y;
xr = r0.x; yr = r0.y;

int iter = MAX_ITERATIONS - 4;
for (;;)
{
/* Unroll the loop: tests are more expensive to do at each
* iteration than the few extra multiplications. */
x1 = x0 * x0 - y0 * y0 + xr;
y1 = x0 * y0 + x0 * y0 + yr;
x2 = x1 * x1 - y1 * y1 + xr;
y2 = x1 * y1 + x1 * y1 + yr;
x3 = x2 * x2 - y2 * y2 + xr;
y3 = x2 * y2 + x2 * y2 + yr;
x0 = x3 * x3 - y3 * y3 + xr;
y0 = x3 * y3 + x3 * y3 + yr;

if (x0 * x0 + y0 * y0 >= maxsqlen)
break;
iter -= 4;
if (iter < 4)
break;
}

if (iter)
{
double n = x0 * x0 + y0 * y0;

if (x1 * x1 + y1 * y1 >= maxsqlen)
{
iter += 3; n = x1 * x1 + y1 * y1;
}
else if (x2 * x2 + y2 * y2 >= maxsqlen)
{
iter += 2; n = x2 * x2 + y2 * y2;
}
else if (x3 * x3 + y3 * y3 >= maxsqlen)
{
iter += 1; n = x3 * x3 + y3 * y3;
}

if (n > maxsqlen * maxsqlen)
n = maxsqlen * maxsqlen;

/* Approximate log(sqrt(n))/log(sqrt(maxsqlen)) */
double f = iter;
union { double n; uint64_t x; } u = { n };
double k = (u.x >> 42) - (((1 << 10) - 1) << 10);
k *= k1;

/* Approximate log2(k) in [1,2]. */
f += (- 0.344847817623168308695977510213252644185 * k
+ 2.024664188044341212602376988171727038739) * k
- 1.674876738008591047163498125918330313237;

*m_pixelstart++ = m_palette[(int)(f * PALETTE_STEP)];
}
else
{
#if defined __CELLOS_LV2__ || defined _XBOX
*m_pixelstart++ = u8vec4(255, 0, 0, 0);
#else
*m_pixelstart++ = u8vec4(0, 0, 0, 255);
#endif
}
}
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

static float const vertices[] =
{
1.0f, 1.0f,
-1.0f, 1.0f,
-1.0f, -1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
1.0f, 1.0f,
};

static float const texcoords[] =
{
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
};

if (!m_ready)
{
/* Create a texture of half the width and twice the height
* so that we can upload four different subimages each frame. */
m_texture = new Texture(ivec2(m_size.x / 2, m_size.y * 2),
PixelFormat::ABGR_8);

/* Ensure the texture data is complete at least once, otherwise
* uploading subimages will not work. */
m_texture->SetData(&m_pixels[0]);

m_shader = Shader::Create(LOLFX_RESOURCE_NAME(11_fractal));

m_vertexattrib = m_shader->GetAttribLocation("a_Vertex", VertexUsage::Position, 0);
m_texattrib = m_shader->GetAttribLocation("a_TexCoord", VertexUsage::TexCoord, 0);
m_texeluni = m_shader->GetUniformLocation("u_TexelSize");
m_screenuni = m_shader->GetUniformLocation("u_ScreenSize");
m_zoomuni = m_shader->GetUniformLocation("u_ZoomSettings");

m_vdecl =
new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position),
VertexStream<vec2>(VertexUsage::TexCoord));
m_vbo = new VertexBuffer(sizeof(vertices));
m_tbo = new VertexBuffer(sizeof(texcoords));

void *tmp = m_vbo->Lock(0, 0);
memcpy(tmp, vertices, sizeof(vertices));
m_vbo->Unlock();

tmp = m_tbo->Lock(0, 0);
memcpy(tmp, texcoords, sizeof(texcoords));
m_tbo->Unlock();

/* FIXME: this object never cleans up */
m_ready = true;
}

m_texture->Bind();

if (m_dirty[m_frame])
{
#if LOL_FEATURE_THREADS
for (int i = 0; i < m_size.y; i += MAX_LINES * 2)
m_donequeue.Pop();
#endif

m_dirty[m_frame]--;

#if defined __CELLOS_LV2__
/* glTexSubImage2D is extremely slow on the PS3, to the point
* that uploading the whole texture is 40 times faster. */
m_texture->SetData(&m_pixels[0]);
#else
m_texture->SetSubData(ivec2(0, m_frame * m_size.y / 2),
m_size / 2,
&m_pixels[m_size.x * m_size.y / 4 * m_frame]);
#endif
}

m_shader->Bind();
m_shader->SetUniform(m_texeluni, m_texel_settings);
m_shader->SetUniform(m_screenuni, m_screen_settings);
m_shader->SetUniform(m_zoomuni, m_zoom_settings);
m_vdecl->Bind();
m_vdecl->SetStream(m_vbo, m_vertexattrib);
m_vdecl->SetStream(m_tbo, m_texattrib);
m_texture->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
}

private:
static int const MAX_ITERATIONS = 340;
static int const PALETTE_STEP = 32;
static int const MAX_THREADS = 8;
static int const MAX_LINES = 8;

ivec2 m_size, m_window_size, m_oldmouse;
double m_window2world;
dvec2 m_texel2world;
Array<u8vec4> m_pixels, m_palette;

Shader *m_shader;
ShaderAttrib m_vertexattrib, m_texattrib;
ShaderUniform m_texeluni, m_screenuni, m_zoomuni;

VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo, *m_tbo;
Texture *m_texture;

int m_frame, m_slices, m_dirty[4];
bool m_ready, m_drag;

rcmplx m_deltashift[4], m_center, m_translate;
real m_deltascale[4];
double m_zoom_speed, m_radius;

vec4 m_texel_settings, m_screen_settings;
mat4 m_zoom_settings;

#if LOL_FEATURE_THREADS
/* Worker threads */
Thread *m_threads[MAX_THREADS];
Queue<int> m_spawnqueue, m_jobqueue, m_donequeue;
#endif

#if !defined __native_client__
/* Debug information */
Text *m_centertext, *m_mousetext, *m_zoomtext;
#endif
};

int main(int argc, char **argv)
{
ivec2 window_size(640, 480);

System::Init(argc, argv);
Application app("Tutorial 3: Fractal", window_size, 60.0f);

new DebugFps(5, 5);
new Fractal(window_size);
//new DebugRecord("fractalol.ogm", 60.0f);

app.Run();

return EXIT_SUCCESS;
}


+ 0
- 192
tutorial/11_fractal.lolfx View File

@@ -1,192 +0,0 @@
[vert.glsl]

#version 120

uniform mat4 u_ZoomSettings;
uniform vec4 u_TexelSize;
uniform vec4 u_ScreenSize;

attribute vec2 a_TexCoord;
attribute vec2 a_Vertex;

varying vec4 v_CenterX, v_CenterY, v_IndexX, v_IndexY;

void main(void)
{
gl_Position = vec4(a_Vertex, 0.0, 1.0);
/* Center point in [-.5,.5], apply zoom and translation
* transformation, and go back to texture coordinates
* in [0,1]. That's the ideal point we would like to
* compute the value for. Then add or remove half the
* size of a texel: the distance from this new point to
* the final point will be our error. */
vec4 offsets = vec4(0.5, -0.5, 0.015625, -0.015625);
vec4 zoomscale = vec4(u_ZoomSettings[0][2],
u_ZoomSettings[1][2],
u_ZoomSettings[2][2],
u_ZoomSettings[3][2]);
vec4 zoomtx = vec4(u_ZoomSettings[0][0],
u_ZoomSettings[1][0],
u_ZoomSettings[2][0],
u_ZoomSettings[3][0]);
vec4 zoomty = vec4(u_ZoomSettings[0][1],
u_ZoomSettings[1][1],
u_ZoomSettings[2][1],
u_ZoomSettings[3][1]);
v_CenterX = zoomscale * a_TexCoord.x + zoomtx
+ offsets.xyxy * u_TexelSize.x;
v_CenterY = zoomscale * a_TexCoord.y - zoomty
+ offsets.xyyx * u_TexelSize.y;
/* Precompute the multiple of one texel where our ideal
* point lies. The fragment shader will call floor() on
* this value. We add or remove a slight offset to avoid
* rounding issues at the image's edges. */
v_IndexX = v_CenterX * u_ScreenSize.z - offsets.zwzw;
v_IndexY = v_CenterY * u_ScreenSize.w - offsets.zwwz;
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform vec4 u_TexelSize;
uniform sampler2D u_Texture;

varying vec4 v_CenterX, v_CenterY, v_IndexX, v_IndexY;

void main(void)
{
vec4 v05 = vec4(0.5, 0.5, 0.5, 0.5);
vec4 rx, ry, t0, dx, dy, dd;
/* Get a pixel coordinate from each slice into rx & ry */
rx = u_TexelSize.x + u_TexelSize.z * floor(v_IndexX);
ry = u_TexelSize.y + u_TexelSize.w * floor(v_IndexY);
/* Compute inverse distance to expected pixel in dd,
* and put zero if we fall outside the texture. */
t0 = step(abs(rx - v05), v05) * step(abs(ry - v05), v05);
dx = rx - v_CenterX;
dy = ry - v_CenterY;
#if 0
vec4 dd = t0 * (abs(dx) + abs(dy));
vec4 dd = t0 / (0.001 + sqrt((dx * dx) + (dy * dy)));
#endif
dd = t0 / (0.000001 + (dx * dx) + (dy * dy));
/* Modify Y coordinate to select proper quarter. */
ry = ry * 0.25 + vec4(0.0, 0.25, 0.5, 0.75);

#if 1
# if 0
/* XXX: disabled until we can autodetect i915 */
/* t1.x <-- dd.x > dd.y */
/* t1.y <-- dd.z > dd.w */
vec2 t1 = step(dd.xz, dd.yw);
/* ret.x <-- max(rx.x, rx.y) wrt. t1.x */
/* ret.y <-- max(rx.z, rx.w) wrt. t1.y */
/* ret.z <-- max(ry.x, ry.y) wrt. t1.x */
/* ret.w <-- max(ry.z, ry.w) wrt. t1.y */
vec4 ret = mix(vec4(rx.xz, ry.xz),
vec4(rx.yw, ry.yw), t1.xyxy);
/* dd.x <-- max(dd.x, dd.y) */
/* dd.z <-- max(dd.z, dd.w) */
dd.xy = mix(dd.xz, dd.yw, t1);
/* t2 <-- dd.x > dd.z */
float t2 = step(dd.x, dd.y);
/* ret.x <-- max(ret.x, ret.y); */
/* ret.y <-- max(ret.z, ret.w); */
ret.xy = mix(ret.xz, ret.yw, t2);
# else
/* Fallback for i915 cards -- the trick to reduce the
* number of operations is to compute both step(a,b)
* and step(b,a) and hope that their sum is 1. This is
* almost always the case, and when it isn't we can
* afford to have a few wrong pixels. However, a real
* problem is when panning the image, because half the
* screen is likely to flicker. To avoid this problem,
* we cheat a little (see m_translate comment above). */
vec4 t1 = step(dd.xzyw, dd.ywxz);
vec4 ret = vec4(rx.xz, ry.xz) * t1.zwzw
+ vec4(rx.yw, ry.yw) * t1.xyxy;
dd.xy = dd.xz * t1.zw + dd.yw * t1.xy;
vec2 t2 = step(dd.xy, dd.yx);
ret.xy = ret.xz * t2.yy + ret.yw * t2.xx;
# endif
/* Nearest neighbour */
gl_FragColor = texture2D(u_Texture, ret.xy);
#else
/* Alternate version: some kind of linear interpolation */
vec4 p0 = texture2D(u_Texture, vec2(rx.x, ry.x));
vec4 p1 = texture2D(u_Texture, vec2(rx.y, ry.y));
vec4 p2 = texture2D(u_Texture, vec2(rx.z, ry.z));
vec4 p3 = texture2D(u_Texture, vec2(rx.w, ry.w));
gl_FragColor = 1.0 / (dd.x + dd.y + dd.z + dd.w)
* (dd.x * p0 + dd.y * p1 + dd.z * p2 + dd.w * p3);
#endif
}

[vert.hlsl]

void main(float2 a_Vertex : POSITION,
float2 a_TexCoord : TEXCOORD0,
uniform float4x4 u_ZoomSettings,
uniform float4 u_TexelSize,
uniform float4 u_ScreenSize,
out float4 out_Position : POSITION0,
out float4 v_CenterX : TEXCOORD0,
out float4 v_CenterY : TEXCOORD1,
out float4 v_IndexX : TEXCOORD2,
out float4 v_IndexY : TEXCOORD3)
{
out_Position = float4(a_Vertex, 0.0, 1.0);
float4 offsets = float4(0.5, -0.5, 0.015625, -0.015625);
float4 zoomscale = float4(u_ZoomSettings[2][0],
u_ZoomSettings[2][1],
u_ZoomSettings[2][2],
u_ZoomSettings[2][3]);
float4 zoomtx = float4(u_ZoomSettings[0][0],
u_ZoomSettings[0][1],
u_ZoomSettings[0][2],
u_ZoomSettings[0][3]);
float4 zoomty = float4(u_ZoomSettings[1][0],
u_ZoomSettings[1][1],
u_ZoomSettings[1][2],
u_ZoomSettings[1][3]);
v_CenterX = zoomscale * a_TexCoord.x + zoomtx
+ offsets.xyxy * u_TexelSize.x;
v_CenterY = zoomscale * a_TexCoord.y - zoomty
+ offsets.xyyx * u_TexelSize.y;
v_IndexX = v_CenterX * u_ScreenSize.z - offsets.zwzw;
v_IndexY = v_CenterY * u_ScreenSize.w - offsets.zwwz;
}

[frag.hlsl]

void main(in float4 v_CenterX : TEXCOORD0,
in float4 v_CenterY : TEXCOORD1,
in float4 v_IndexX : TEXCOORD2,
in float4 v_IndexY : TEXCOORD3,
uniform float4 u_TexelSize,
uniform sampler2D u_Texture,
out float4 out_FragColor : COLOR)
{
float4 v05 = float4(0.5, 0.5, 0.5, 0.5);
float4 rx, ry, t0, dx, dy, dd;
rx = u_TexelSize.x + u_TexelSize.z * floor(v_IndexX);
ry = u_TexelSize.y + u_TexelSize.w * floor(v_IndexY);
t0 = step(abs(rx - v05), v05) * step(abs(ry - v05), v05);
dx = rx - v_CenterX;
dy = ry - v_CenterY;
dd = t0 / (0.000001 + (dx * dx) + (dy * dy));
ry = ry * 0.25 + float4(0.0, 0.25, 0.5, 0.75);
float2 t1 = step(dd.xz, dd.yw);
float4 ret = lerp(float4(rx.xz, ry.xz),
float4(rx.yw, ry.yw), t1.xyxy);
dd.xy = lerp(dd.xz, dd.yw, t1);
float t2 = step(dd.x, dd.y);
ret.xy = lerp(ret.xz, ret.yw, t2);
out_FragColor = tex2D(u_Texture, ret.xy);
}


+ 0
- 79
tutorial/11_fractal.vcxproj View File

@@ -1,79 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="11_fractal.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="11_fractal.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{6bf81b39-edc2-4227-9992-c2d8abea95af}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 94
tutorial/12_distance.lolfx View File

@@ -1,94 +0,0 @@
[vert.glsl]

#version 120

attribute vec2 in_Position;

varying vec2 pass_Position;

void main()
{
pass_Position = in_Position;
gl_Position = vec4(in_Position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_Texture;
uniform float in_Flag;
uniform vec3 in_Point;
uniform vec3 in_Color;

varying vec2 pass_Position;

void main(void)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
vec2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

gl_FragColor = vec4(tc * in_Color, ta + 0.1);
}
else
{
vec2 texcoords = pass_Position * 0.5 + vec2(0.5, 0.5);
gl_FragColor = vec4(texture2D(in_Texture, texcoords).xyz, 1.0);
}
}

[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
float2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

out_FragColor = float4(tc * in_Color, ta + 0.1);
}
else
{
float2 texcoords = pass_Position * float2(0.5, -0.5) + float2(0.5, 0.5);
/* FIXME: this should be passed as a uniform or something */
texcoords += float2(0.5 / 800.0, 0.5 / 600.0);
out_FragColor = float4(tex2D(in_Texture, texcoords).xyz, 1.0);
}
}


+ 0
- 92
tutorial/12_texture_to_screen.lolfx View File

@@ -1,92 +0,0 @@
[vert.glsl]

#version 120

attribute vec2 in_position;

varying vec2 pass_position;

void main()
{
pass_position = in_position;
gl_Position = vec4(in_position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_texture;
varying vec2 pass_position;

vec3 rand_color(float t)
{
return vec3(0.5 + 0.5 * sin(t * 19.0 + 17.0),
0.5 + 0.5 * sin(t * 24.0 + 23.0),
0.5 + 0.5 * sin(t * 37.0 + 12.0));
}

void main(void)
{
vec2 texcoords = pass_position * 0.5 + vec2(0.5, 0.5);
vec4 src_color = texture2D(in_texture, texcoords);
float newg = src_color.z;
float newb = 0.0;
if (newg > 0.0)
newb = 1.0;
gl_FragColor = vec4(rand_color(newg), 1.0);
}

[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

float3 rand_color(float t)
{
return float3(0.5 + 0.5 * sin(t * 9.0 + 3.0),
0.5 + 0.5 * sin(t * 4.0 + 1.0),
0.5 + 0.5 * sin(t * 7.0 + 2.0));
}

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
float2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

out_FragColor = float4(tc * in_Color, ta + 0.1);
}
else
{
float2 texcoords = pass_Position * float2(0.5, -0.5) + float2(0.5, 0.5);
/* FIXME: this should be passed as a uniform or something */
texcoords += float2(0.5 / 800.0, 0.5 / 600.0);
out_FragColor = float4(tex2D(in_Texture, texcoords).xyz, 1.0);
}
}


+ 0
- 405
tutorial/12_voronoi.cpp View File

@@ -1,405 +0,0 @@
//
// Lol Engine - Framebuffer Object tutorial
//
// Copyright: (c) 2013-2013 Sam Hocevar <sam@hocevar.net>
// (c) 2013-2013 Benjamin "Touky" Huet <huet.benjamin@gmail.com>
// This program is free software; you can redistribute it and/or
// modify it under the terms of the Do What The Fuck You Want To
// Public License, Version 2, as published by Sam Hocevar. See
// http://www.wtfpl.net/ for more details.
//

#if defined HAVE_CONFIG_H
# include "config.h"
#endif

#include "core.h"
#include "loldebug.h"

using namespace std;
using namespace lol;

LOLFX_RESOURCE_DECLARE(12_voronoi);
LOLFX_RESOURCE_DECLARE(12_voronoi_setup);
LOLFX_RESOURCE_DECLARE(12_voronoi_distance);
LOLFX_RESOURCE_DECLARE(12_distance);
LOLFX_RESOURCE_DECLARE(12_texture_to_screen);

enum FboType
{
SrcVoronoiFbo,
VoronoiFbo,
DistanceVoronoiFbo,
DistanceFbo,

MaxFboType
};

class Voronoi : public WorldEntity
{
public:
Voronoi()
{
m_vertices << vec2( 1.0, 1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, -1.0);
m_vertices << vec2(-1.0, -1.0);
m_vertices << vec2( 1.0, 1.0);
m_vertices << vec2(-1.0, 1.0);
m_ready = false;
m_cur_fbo = 0;
m_time = .0f;
m_timer = -1.0f;
mode = 0;
}

virtual void TickGame(float seconds)
{
WorldEntity::TickGame(seconds);

{
//Shutdown logic
if (Input::WasReleased(Key::Escape))
Ticker::Shutdown();
}

m_time += seconds;
m_hotspot = 0.4f * vec3(lol::sin(m_time * 4.f) + lol::cos(m_time * 5.3f),
lol::sin(m_time * 5.7f) + lol::cos(m_time * 4.4f),
lol::sin(m_time * 5.f));
m_color = 0.25f * vec3(1.1f + lol::sin(m_time * 2.5f + 1.f),
1.1f + lol::sin(m_time * 2.8f + 1.3f),
1.1f + lol::sin(m_time * 2.7f));
/* Saturate dot color */
float x = std::max(m_color.x, std::max(m_color.y, m_color.z));
m_color /= x;
}

virtual void TickDraw(float seconds)
{
WorldEntity::TickDraw(seconds);

if (!m_ready)
{
m_vdecl = new VertexDeclaration(VertexStream<vec2>(VertexUsage::Position));

m_vbo = new VertexBuffer(m_vertices.Bytes());
void *vertices = m_vbo->Lock(0, 0);
memcpy(vertices, &m_vertices[0], m_vertices.Bytes());
m_vbo->Unlock();

m_screen_shader = Shader::Create(LOLFX_RESOURCE_NAME(12_texture_to_screen));
m_screen_coord = m_screen_shader->GetAttribLocation("in_position", VertexUsage::Position, 0);
m_screen_texture = m_screen_shader->GetUniformLocation("in_texture");

for (int i = 0; i < MaxFboType; ++i)
{
m_fbos.Push(new Framebuffer(Video::GetSize()), 0, Array<ShaderUniform>(), Array<ShaderAttrib>() );

if (i == SrcVoronoiFbo)
{
m_fbos[i].m2 = Shader::Create(LOLFX_RESOURCE_NAME(12_voronoi_setup));
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_texture");
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_source_point");
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_screen_res");
m_fbos[i].m4 << m_fbos[i].m2->GetAttribLocation("in_position", VertexUsage::Position, 0);
}
else if (i == VoronoiFbo)
{
m_fbos[i].m2 = Shader::Create(LOLFX_RESOURCE_NAME(12_voronoi));
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_texture");
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_step");
m_fbos[i].m3 << m_fbos[i].m2->GetUniformLocation("in_screen_res");
m_fbos[i].m4 << m_fbos[i].m2->GetAttribLocation("in_position", VertexUsage::Position, 0);
}
else if (i == DistanceVoronoiFbo)
{
m_fbos[i].m2 = Shader::Create(LOLFX_RESOURCE_NAME(12_voronoi_distance));
}
else if (i == DistanceFbo)
{
m_fbos[i].m2 = Shader::Create(LOLFX_RESOURCE_NAME(12_distance));
}

m_fbos.Last().m1->Bind();
{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}
m_fbos.Last().m1->Unbind();
}

temp_buffer = new Framebuffer(Video::GetSize());
temp_buffer->Bind();
{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}
temp_buffer->Unbind();

m_ready = true;
/* FIXME: this object never cleans up */

//SRC SETUP
m_cur_fbo = VoronoiFbo;
}

{
//Shutdown logic
if (Input::WasReleased(Key::O))
voronoi_points.Pop();
else if (Input::WasReleased(Key::P))
voronoi_points.Push(vec3(rand<float>(512.f), rand<float>(512.f), .0f),
vec2(64.f + rand<float>(64.f), 64.f + rand<float>(64.f)));
else if (Input::WasReleased(Key::F1))
m_cur_fbo = SrcVoronoiFbo;
else if (Input::WasReleased(Key::F2))
m_cur_fbo = VoronoiFbo;
else if (Input::WasReleased(Key::F3))
{
voronoi_points.Empty();
if (mode == 0)
{
int i = 4;
while (i-- > 0)
voronoi_points.Push(vec3(rand<float>(512.f), rand<float>(512.f), .0f),
vec2(64.f + rand<float>(64.f), 64.f + rand<float>(64.f))
//vec2(0.f)
);
mode = 1;
}
else
{
mode = 0;
}
}
}

if (mode == 0)
{
voronoi_points.Empty();
int maxi = 6;
for (int i = 0; i < maxi; ++i)
{
voronoi_points.Push(vec3(256.f) + 196.f * vec3(lol::cos(m_time + i * 2.f * F_PI / maxi), lol::sin(m_time + i * 2.f * F_PI / maxi), .0f), vec2(.0f));
voronoi_points.Push(vec3(256.f) + 128.f * vec3(lol::cos(-m_time + i * 2.f * F_PI / maxi), lol::sin(-m_time + i * 2.f * F_PI / maxi), .0f), vec2(.0f));
voronoi_points.Push(vec3(256.f) + 64.f * vec3(lol::cos(m_time + i * 2.f * F_PI / maxi), lol::sin(m_time + i * 2.f * F_PI / maxi), .0f), vec2(.0f));
voronoi_points.Push(vec3(256.f) + 32.f * vec3(lol::cos(-m_time + i * 2.f * F_PI / maxi), lol::sin(-m_time + i * 2.f * F_PI / maxi), .0f), vec2(.0f));
}
voronoi_points.Push(vec3(256.f), vec2(.0f));
}

temp_buffer->Bind();
{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}
temp_buffer->Unbind();

{
vec2 limit(1.f, 511.f);
//SRC SETUP
for (int j = 0; j < voronoi_points.Count(); ++j)
{
voronoi_points[j].m1 = vec3(voronoi_points[j].m1.xy + voronoi_points[j].m2 * seconds, voronoi_points[j].m1.z);
if (voronoi_points[j].m1.x >= limit.y || voronoi_points[j].m1.x <= limit.x)
{
voronoi_points[j].m2.x *= -1.f;
voronoi_points[j].m1.x = clamp(voronoi_points[j].m1.x, limit.x, limit.y);
}
if (voronoi_points[j].m1.y >= limit.y || voronoi_points[j].m1.y <= limit.x)
{
voronoi_points[j].m2.y *= -1.f;
voronoi_points[j].m1.y = clamp(voronoi_points[j].m1.y, limit.x, limit.y);
}
voronoi_points[j].m1.z = ((float)j + 1) / ((float)voronoi_points.Count());
}

int f = SrcVoronoiFbo;

m_fbos[f].m1->Bind();
{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}
m_fbos[f].m1->Unbind();

int buf = voronoi_points.Count() % 2;
for (int j = 0; j < voronoi_points.Count(); ++j)
{
Framebuffer *dst_buf;
Framebuffer *src_buf;

if (buf)
{
dst_buf = m_fbos[f].m1;
src_buf = temp_buffer;
}
else
{
src_buf = m_fbos[f].m1;
dst_buf = temp_buffer;
}

dst_buf->Bind();
/* FIXME: we should just disable depth test in the shader */
g_renderer->Clear(ClearMask::Depth);
m_fbos[f].m2->Bind();

int i = 0;
m_fbos[f].m2->SetUniform(m_fbos[f].m3[i++], src_buf->GetTexture(), 0); //"in_texture"
m_fbos[f].m2->SetUniform(m_fbos[f].m3[i++], voronoi_points[j].m1); //"in_source_point"
m_fbos[f].m2->SetUniform(m_fbos[f].m3[i++], vec2(512.f, 512.f)); //"in_screen_res"

m_vdecl->SetStream(m_vbo, m_fbos[f].m4.Last());
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
m_fbos[f].m2->Unbind();
dst_buf->Unbind();

buf = 1 - buf;
}
}

g_renderer->Clear(ClearMask::Color | ClearMask::Depth);

//FRAME BUFFER DRAW
m_timer -= seconds;
if (m_timer < .0f && m_cur_fbo != SrcVoronoiFbo)
{
//m_timer = 1.0f;
m_fbos[m_cur_fbo].m1->Bind();
{
RenderContext rc;
rc.SetClearColor(vec4(0.f, 0.f, 0.f, 1.f));
rc.SetClearDepth(1.f);
g_renderer->Clear(ClearMask::Color | ClearMask::Depth);
}
m_fbos[m_cur_fbo].m1->Unbind();

ivec2 curres = ivec2(512, 512) / 2;
int buf = 0;
while (1)
{
Framebuffer *dst_buf;
Framebuffer *src_buf;
Shader *shader;

if (curres == ivec2(0))
shader = m_screen_shader;
else
shader = m_fbos[m_cur_fbo].m2;

if (curres.x == 256)
src_buf = m_fbos[SrcVoronoiFbo].m1;
else if (buf)
src_buf = m_fbos[m_cur_fbo].m1;
else
src_buf = temp_buffer;

if (buf)
dst_buf = temp_buffer;
else
dst_buf = m_fbos[m_cur_fbo].m1;

dst_buf->Bind();
/* FIXME: we should just disable depth test in the shader */
g_renderer->Clear(ClearMask::Depth);
shader->Bind();

//08_FBO ??
#if _XBOX
/* FIXME: the Xbox enforces full EDRAM clears on each frame, so
* we cannot expect the render target contents to be preserved.
* This code snippet should be moved inside the Framebuffer class. */
//m_fbos[m_cur_fbo].m2->SetUniform(m_uni_flag, 1.f);
//m_fbos[m_cur_fbo].m2->SetUniform(m_uni_texture, m_fbo->GetTexture(), 0);
//m_vdecl->SetStream(m_vbo, m_fbos[m_cur_fbo].m4.Last());
//m_vdecl->Bind();
//m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
//m_vdecl->Unbind();
#endif

int i = 0;
if (curres == ivec2(0))
m_screen_shader->SetUniform(m_screen_texture, src_buf->GetTexture(), 0);
else if (m_cur_fbo == VoronoiFbo)
{
shader->SetUniform(m_fbos[m_cur_fbo].m3[i++], src_buf->GetTexture(), 0); //"in_texture"
shader->SetUniform(m_fbos[m_cur_fbo].m3[i++], ((float)curres.x) / 512.f); //"in_step"
shader->SetUniform(m_fbos[m_cur_fbo].m3[i++], vec2(512.f, 512.f)); //"in_screen_res"
}

m_vdecl->SetStream(m_vbo, m_fbos[m_cur_fbo].m4.Last());
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
m_fbos[m_cur_fbo].m2->Unbind();
dst_buf->Unbind();

if (curres == ivec2(0))
break;
if (curres == ivec2(1))
{
if (buf == 1)
curres = ivec2(0);
else
break;
}
buf = 1 - buf;
curres /= 2;
}
}

//SCREEN DRAW
m_screen_shader->Bind();
m_screen_shader->SetUniform(m_screen_texture, m_fbos[m_cur_fbo].m1->GetTexture(), 0);
m_vdecl->SetStream(m_vbo, m_screen_coord);
m_vdecl->Bind();
m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
m_vdecl->Unbind();
m_screen_shader->Unbind();
}

private:
Array<vec3, vec2> voronoi_points;
Array<vec2> m_vertices;
Shader *m_screen_shader;
ShaderAttrib m_screen_coord;
ShaderUniform m_screen_texture;

VertexDeclaration *m_vdecl;
VertexBuffer *m_vbo;

Array<Framebuffer *, Shader *, Array<ShaderUniform>, Array<ShaderAttrib> > m_fbos;
Framebuffer *temp_buffer;

int mode;
int m_cur_fbo;
double m_time;
vec3 m_hotspot, m_color;
bool m_ready;
float m_timer;
};

int main(int argc, char **argv)
{
System::Init(argc, argv);

Application app("Tutorial 12: Jump Flooding Algorithm & Voronoi", ivec2(512, 512), 60.0f);

new Voronoi();

app.Run();
return EXIT_SUCCESS;
}


+ 0
- 93
tutorial/12_voronoi.lolfx View File

@@ -1,93 +0,0 @@
//-----------------------------------------------------------------------------
//GLSL
//-----------------------------------------------------------------------------
[vert.glsl]

#version 120

attribute vec2 in_position;

uniform vec2 in_screen_res;

uniform float in_step;
varying vec2 pass_pos;
varying vec2 pass_p[8];

void main()
{
//JFA ALGO
pass_pos = ((vec2(1.0) + in_position) * 0.5);

float k = in_step;

vec2 p2 = pass_pos;
pass_p[0] = p2 + vec2(-k, -k);
pass_p[1] = p2 + vec2( 0, -k);
pass_p[2] = p2 + vec2( k, -k);
pass_p[3] = p2 + vec2(-k, 0);
pass_p[4] = p2 + vec2( k, 0);
pass_p[5] = p2 + vec2(-k, k);
pass_p[6] = p2 + vec2( 0, k);
pass_p[7] = p2 + vec2( k, k);

gl_Position = vec4(in_position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_texture;

varying vec2 pass_pos;
varying vec2 pass_p[8];

void main(void)
{
vec4 src_color = texture2D(in_texture, pass_pos);
vec4 neigh_color;

for (int i = 0; i < 8; ++i)
{
neigh_color = texture2D(in_texture, pass_p[i]);

if (neigh_color.z > 0.0 && src_color.z == 0.0)
src_color = neigh_color;
else if (neigh_color.z > 0.0 && src_color.z > 0.0 &&
length(neigh_color.xy - pass_pos) < length(src_color.xy - pass_pos))
src_color = neigh_color;

}

gl_FragColor = src_color;
}

//-----------------------------------------------------------------------------
//HLSL
//-----------------------------------------------------------------------------
[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
out_FragColor = float4(0.0);
}


+ 0
- 83
tutorial/12_voronoi.vcxproj View File

@@ -1,83 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ORBIS">
<Configuration>Debug</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|PS3">
<Configuration>Debug</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Xbox 360">
<Configuration>Debug</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ORBIS">
<Configuration>Release</Configuration>
<Platform>ORBIS</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|PS3">
<Configuration>Release</Configuration>
<Platform>PS3</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Xbox 360">
<Configuration>Release</Configuration>
<Platform>Xbox 360</Platform>
</ProjectConfiguration>
</ItemGroup>
<ItemGroup>
<ClCompile Include="12_voronoi.cpp" />
</ItemGroup>
<ItemGroup>
<LolFxCompile Include="12_texture_to_screen.lolfx" />
<LolFxCompile Include="12_voronoi.lolfx" />
<LolFxCompile Include="12_voronoi_setup.lolfx" />
<LolFxCompile Include="12_voronoi_distance.lolfx" />
<LolFxCompile Include="12_distance.lolfx" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="$(SolutionDir)\..\..\src\lolcore.vcxproj">
<Project>{9e62f2fe-3408-4eae-8238-fd84238ceeda}</Project>
</ProjectReference>
<ProjectReference Include="$(SolutionDir)\..\..\src\bullet\lolbullet.vcxproj">
<Project>{83d3b207-c601-4025-8f41-01dedc354661}</Project>
</ProjectReference>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{6bf81b39-edc2-4227-9982-c2d8abea95af}</ProjectGuid>
<ConfigurationType>Application</ConfigurationType>
<Keyword>Win32Proj</Keyword>
</PropertyGroup>
<Import Project="$(SolutionDir)\Lol.Core.Config.props" />
<ImportGroup Label="ExtensionSettings">
<Import Project="$(SolutionDir)\Lol.Fx.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(SolutionDir)\Lol.Core.Vars.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<Import Project="$(SolutionDir)\Lol.Core.Rules.props" />
<ItemDefinitionGroup />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
<Import Project="$(SolutionDir)\Lol.Fx.targets" />
</ImportGroup>
</Project>

+ 0
- 94
tutorial/12_voronoi_distance.lolfx View File

@@ -1,94 +0,0 @@
[vert.glsl]

#version 120

attribute vec2 in_Position;

varying vec2 pass_Position;

void main()
{
pass_Position = in_Position;
gl_Position = vec4(in_Position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_Texture;
uniform float in_Flag;
uniform vec3 in_Point;
uniform vec3 in_Color;

varying vec2 pass_Position;

void main(void)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
vec2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

gl_FragColor = vec4(tc * in_Color, ta + 0.1);
}
else
{
vec2 texcoords = pass_Position * 0.5 + vec2(0.5, 0.5);
gl_FragColor = vec4(texture2D(in_Texture, texcoords).xyz, 1.0);
}
}

[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
if (in_Flag == 0.0)
{
float tc = 0.0, ta = 0.0;
{
float s = 3.0 + 2.0 * in_Point.z;
float2 p = pass_Position - in_Point.xy * 0.9;
float t = clamp(1.2 - dot(s * p, s * p), 0.0, 1.0);
float u = t * t * t * t;
tc += 3.0 * t * t - 2.0 * t * t * t;
ta += 3.0 * u * u - 2.0 * u * u * u;
}

out_FragColor = float4(tc * in_Color, ta + 0.1);
}
else
{
float2 texcoords = pass_Position * float2(0.5, -0.5) + float2(0.5, 0.5);
/* FIXME: this should be passed as a uniform or something */
texcoords += float2(0.5 / 800.0, 0.5 / 600.0);
out_FragColor = float4(tex2D(in_Texture, texcoords).xyz, 1.0);
}
}


+ 0
- 70
tutorial/12_voronoi_setup.lolfx View File

@@ -1,70 +0,0 @@
//-----------------------------------------------------------------------------
//GLSL
//-----------------------------------------------------------------------------
[vert.glsl]

#version 120

attribute vec2 in_position;

uniform vec2 in_screen_res;

varying vec2 pass_position;

void main()
{
pass_position = ((vec2(1.0) + in_position) * 0.5 * in_screen_res);
gl_Position = vec4(in_position, 0.0, 1.0);
}

[frag.glsl]

#version 120

#if defined GL_ES
precision highp float;
#endif

uniform sampler2D in_texture;
uniform vec3 in_source_point;
uniform vec2 in_screen_res;

varying vec2 pass_position;

void main(void)
{
if (floor(in_source_point.xy) == floor(pass_position))
gl_FragColor = vec4(in_source_point.xy / in_screen_res, in_source_point.z, 1.0);
else
{
vec4 src_color = texture2D(in_texture, pass_position / in_screen_res);
gl_FragColor = src_color;//vec4(0.0, 0.0, 0.0, 1.0);
}
//vec4(pass_position / in_screen_res, 0.0, 1.0);
}

//-----------------------------------------------------------------------------
//HLSL
//-----------------------------------------------------------------------------
[vert.hlsl]

void main(float2 in_Position : POSITION,
out float2 pass_Position : TEXCOORD0,
out float4 out_Position : POSITION)
{
pass_Position = in_Position;
out_Position = float4(in_Position, 0.0, 1.0);
}

[frag.hlsl]

void main(in float2 pass_Position : TEXCOORD0,
uniform sampler2D in_Texture,
uniform float in_Flag,
uniform float3 in_Point,
uniform float3 in_Color,
out float4 out_FragColor : COLOR)
{
out_FragColor = float4(0.0);
}


+ 0
- 49
tutorial/Makefile.am View File

@@ -1,49 +0,0 @@

include $(top_srcdir)/build/autotools/common.am

noinst_PROGRAMS = 01_triangle 02_cube 03_noise 04_texture 05_easymesh \
06_sprite 08_fbo 11_fractal \
12_voronoi

01_triangle_SOURCES = 01_triangle.cpp 01_triangle.lolfx
01_triangle_CPPFLAGS = $(AM_CPPFLAGS)
01_triangle_DEPENDENCIES = @LOL_DEPS@

02_cube_SOURCES = 02_cube.cpp 02_cube.lolfx
02_cube_CPPFLAGS = $(AM_CPPFLAGS)
02_cube_DEPENDENCIES = @LOL_DEPS@

03_noise_SOURCES = 03_noise.cpp 03_noise.lolfx
03_noise_CPPFLAGS = $(AM_CPPFLAGS)
03_noise_DEPENDENCIES = @LOL_DEPS@

04_texture_SOURCES = 04_texture.cpp 04_texture.lolfx
04_texture_CPPFLAGS = $(AM_CPPFLAGS)
04_texture_DEPENDENCIES = @LOL_DEPS@

05_easymesh_SOURCES = 05_easymesh.cpp
05_easymesh_CPPFLAGS = $(AM_CPPFLAGS)
05_easymesh_DEPENDENCIES = @LOL_DEPS@

06_sprite_SOURCES = 06_sprite.cpp 06_sprite.png
06_sprite_CPPFLAGS = $(AM_CPPFLAGS)
06_sprite_DEPENDENCIES = @LOL_DEPS@
06_sprite_LDFLAGS = $(AM_LDFLAGS)
if USE_EMSCRIPTEN
06_sprite_LDFLAGS += --preload-file 06_sprite.png
endif

08_fbo_SOURCES = 08_fbo.cpp 08_fbo.lolfx
08_fbo_CPPFLAGS = $(AM_CPPFLAGS)
08_fbo_DEPENDENCIES = @LOL_DEPS@

11_fractal_SOURCES = 11_fractal.cpp 11_fractal.lolfx
11_fractal_CPPFLAGS = $(AM_CPPFLAGS)
11_fractal_DEPENDENCIES = @LOL_DEPS@

12_voronoi_SOURCES = 12_voronoi.cpp 12_voronoi.lolfx \
12_voronoi_distance.lolfx 12_voronoi_setup.lolfx \
12_texture_to_screen.lolfx 12_distance.lolfx
12_voronoi_CPPFLAGS = $(AM_CPPFLAGS)
12_voronoi_DEPENDENCIES = @LOL_DEPS@


Write Preview
Loading…
Cancel
Save