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EsayMesh : RadialJitter func & demo added

legacy
Cédric Lecacheur elliotek 12 years ago
parent
commit
82bb4cd6a3
3 changed files with 38 additions and 2 deletions
  1. +31
    -0
      src/easymesh/easymesh.cpp
  2. +2
    -0
      src/easymesh/easymesh.h
  3. +5
    -2
      tutorial/05_easymesh.cpp

+ 31
- 0
src/easymesh/easymesh.cpp View File

@@ -237,6 +237,37 @@ void EasyMesh::Rotate(float t, vec3 const &axis)
}
}

void EasyMesh::RadialJitter(float r)
{
Array<int> Welded;
Welded.Push(-1);
for (int i = m_cursors.Last().m1 + 1; i < m_vert.Count(); i++)
{
int j;
for (j = m_cursors.Last().m1; j < i; j++)
{
if(sqlength(m_vert[i].m1 - m_vert[j].m1) < 0.1f)
break;
}

if(j == i)
Welded.Push(-1);
else
Welded.Push(j);
}

int i, j;
for (i = m_cursors.Last().m1, j = 0; i < m_vert.Count(); i++, j++)
{
if(Welded[j] == -1)
m_vert[i].m1 *= 1.0f + RandF(r);
else
m_vert[i].m1 = m_vert[Welded[j]].m1;
}

ComputeNormals(m_cursors.Last().m2, m_indices.Count() - m_cursors.Last().m2);
}

void EasyMesh::TaperX(float y, float z, float xoff)
{
/* FIXME: this code breaks normals! */


+ 2
- 0
src/easymesh/easymesh.h View File

@@ -52,6 +52,8 @@ public:
void SetCurVertNormal(vec3 const &normal);
void SetCurVertColor(vec4 const &color);

void RadialJitter(float r);

void Translate(vec3 const &v);
void RotateX(float t);
void RotateY(float t);


+ 5
- 2
tutorial/05_easymesh.cpp View File

@@ -29,20 +29,23 @@ public:
m_mesh.OpenBrace();
m_mesh.Compile("ad12,2.2,0 ty.1 ac12,.2,2.4,2.2,0,1 ty.8 ac12,1.7,2.4,2.4,0,1 ty2.5");
m_mesh.Translate(vec3(i * 8.f, (h - 1) * 3.2f, j * 8.f));
m_mesh.CloseBrace();

m_mesh.CloseBrace();
}
m_mesh.OpenBrace();
m_mesh.AppendFlatChamfBox(vec3(x * 8.f, h * 3.2f, y * 8.f), -.1f);
m_mesh.Translate(vec3((x - 1) * 4.f, (h - 1) * 1.6f, (y - 1) * 4.f));
m_mesh.CloseBrace();
m_mesh.Translate(vec3(dx * 8.f, dh * 3.2f, dy * 8.f));

m_mesh.CloseBrace();
}

EasyMeshTutorial()
{
m_angle = 0;
//m_mesh.Compile("sc#e94 scb#964 [asph11 7 7 7 tx10]");
m_mesh.Compile("sc#800 [asph10 20 20 20]");
m_mesh.RadialJitter(0.2f);
//m_mesh.Compile("sc#94e scb#649 [asph3 7 7 7 tx-6 tz-9]");
//m_mesh.Compile("sc#49e scb#469 [asph31 7 7 7 tx-6 tz9]");
m_mesh.Compile("sc#1c1 scb#1c1");


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