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libcaca
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* Moved the matrix effect test into cacademo. Removed the motion sensor 

stuff, it's cool but it's crap.
tags/v0.99.beta14
Sam Hocevar sam 18 years ago
parent
7e7d2e01b1
commit
060cb6f676
3 changed files with 181 additions and 174 deletions
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  1. +180
    -4
      src/cacademo.c
  2. +1
    -4
      test/Makefile.am
  3. +0
    -166
      test/matrix.c

+ 180
- 4
src/cacademo.c View File

@@ -34,13 +34,18 @@ enum action { INIT, UPDATE, DRAW, FREE };
void plasma(enum action, cucul_canvas_t *);
void metaballs(enum action, cucul_canvas_t *);
void moire(enum action, cucul_canvas_t *);
void langton(enum action, cucul_canvas_t *);
void matrix(enum action, cucul_canvas_t *);

void (*demo_list[])(enum action, cucul_canvas_t *) =
{
plasma,
metaballs,
moire,
//langton,
matrix,
};
#define DEMOS (sizeof(demo_list)/sizeof(*demo_list))

/* Common macros for dither-based demos */
#define XSIZ 256
@@ -71,9 +76,9 @@ int main(int argc, char **argv)

caca_set_display_time(dp, 20000);

demo = cucul_rand(0, 3);
demo = cucul_rand(0, DEMOS);

demo_list[demo](INIT, NULL);
demo_list[demo](INIT, frontcv);

for(;;)
{
@@ -90,7 +95,7 @@ int main(int argc, char **argv)
if(pause)
goto paused;

demo_list[demo](UPDATE, NULL);
demo_list[demo](UPDATE, frontcv);
frame++;
paused:
demo_list[demo](DRAW, frontcv);
@@ -101,7 +106,7 @@ paused:
caca_refresh_display(dp);
}
end:
demo_list[demo](FREE, NULL);
demo_list[demo](FREE, frontcv);

caca_free_display(dp);
cucul_free_canvas(mask);
@@ -178,12 +183,14 @@ void plasma(enum action action, cucul_canvas_t *cv)
(1.0 + sin(((double)frame) * R[4])) / 2,
(1.0 + sin(((double)frame) * R[5])) / 2);
break;

case DRAW:
cucul_dither_bitmap(cv, 0, 0,
cucul_get_canvas_width(cv),
cucul_get_canvas_height(cv),
dither, screen);
break;

case FREE:
free(screen);
cucul_free_dither(dither);
@@ -481,3 +488,172 @@ static void draw_line(int x, int y, char color)
color, 2 * x - 1);
}

/* Langton ant effect */
#define ANTS 15
#define ITER 2

void langton(enum action action, cucul_canvas_t *cv)
{
static char gradient[] =
{
' ', ' ', '.', '.', ':', ':', 'x', 'x',
'X', 'X', '&', '&', 'W', 'W', '@', '@',
};
static int steps[][2] = { { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 } };
static uint8_t *screen;
static int width, height;
static int ax[ANTS], ay[ANTS], dir[ANTS];

int i, a, x, y;

switch(action)
{
case INIT:
width = cucul_get_canvas_width(cv);
height = cucul_get_canvas_height(cv);
screen = malloc(width * height);
memset(screen, 0, width * height);
for(i = 0; i < ANTS; i++)
{
ax[i] = cucul_rand(0, width);
ay[i] = cucul_rand(0, height);
dir[i] = cucul_rand(0, 4);
}
break;

case UPDATE:
for(i = 0; i < ITER; i++)
{
for(x = 0; x < width * height; x++)
{
uint8_t p = screen[x];
if((p & 0x0f) > 1)
screen[x] = p - 1;
}

for(a = 0; a < ANTS; a++)
{
uint8_t p = screen[ax[a] + width * ay[a]];

if(p & 0x0f)
{
dir[a] = (dir[a] + 1) % 4;
screen[ax[a] + width * ay[a]] = a << 4;
}
else
{
dir[a] = (dir[a] + 3) % 4;
screen[ax[a] + width * ay[a]] = (a << 4) | 0x0f;
}
ax[a] = (width + ax[a] + steps[dir[a]][0]) % width;
ay[a] = (height + ay[a] + steps[dir[a]][1]) % height;
}
}
break;

case DRAW:
for(y = 0; y < height; y++)
{
for(x = 0; x < width; x++)
{
uint8_t p = screen[x + width * y];

if(p & 0x0f)
cucul_set_color(cv, CUCUL_COLOR_WHITE, p >> 4);
else
cucul_set_color(cv, CUCUL_COLOR_BLACK, CUCUL_COLOR_BLACK);
cucul_putchar(cv, x, y, gradient[p & 0x0f]);
}
}
break;

case FREE:
free(screen);
break;
}
}

/* Matrix effect */
#define MAXDROPS 500
#define MINLEN 15
#define MAXLEN 30

struct drop
{
int x, y, speed, len;
char str[MAXLEN];
}
drop[MAXDROPS];

void matrix(enum action action, cucul_canvas_t *cv)
{
static int w, h;

int i, j;

switch(action)
{
case INIT:
for(i = 0; i < MAXDROPS; i++)
{
drop[i].x = cucul_rand(0, 1000);
drop[i].y = cucul_rand(0, 1000);
drop[i].speed = 5 + cucul_rand(0, 30);
drop[i].len = MINLEN + cucul_rand(0, (MAXLEN - MINLEN));
for(j = 0; j < MAXLEN; j++)
drop[i].str[j] = cucul_rand('0', 'z');
}
break;

case UPDATE:
w = cucul_get_canvas_width(cv);
h = cucul_get_canvas_height(cv);

for(i = 0; i < MAXDROPS && i < (w * h / 32); i++)
{
drop[i].y += drop[i].speed;
if(drop[i].y > 1000)
{
drop[i].y -= 1000;
drop[i].x = cucul_rand(0, 1000);
}
}
break;

case DRAW:
cucul_set_color(cv, CUCUL_COLOR_BLACK, CUCUL_COLOR_BLACK);
cucul_clear_canvas(cv);

for(i = 0; i < MAXDROPS && i < (w * h / 32); i++)
{
int x, y;

x = drop[i].x * w / 1000 / 2 * 2;
y = drop[i].y * (h + MAXLEN) / 1000;

for(j = 0; j < drop[i].len; j++)
{
unsigned int fg;

if(j < 2)
fg = CUCUL_COLOR_WHITE;
else if(j < drop[i].len / 4)
fg = CUCUL_COLOR_LIGHTGREEN;
else if(j < drop[i].len * 4 / 5)
fg = CUCUL_COLOR_GREEN;
else
fg = CUCUL_COLOR_DARKGRAY;
cucul_set_color(cv, fg, CUCUL_COLOR_BLACK);

cucul_putchar(cv, x, y - j,
drop[i].str[(y - j) % drop[i].len]);
}
}
break;

case FREE:
break;
}
}



+ 1
- 4
test/Makefile.am View File

@@ -2,7 +2,7 @@

AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/cucul -I$(top_srcdir)/caca -DDATADIR=\"$(pkgdatadir)\"

noinst_PROGRAMS = colors demo demo0 dithering event export font frames gamma hsv input matrix spritedit font2tga text transform truecolor unicode import
noinst_PROGRAMS = colors demo demo0 dithering event export font frames gamma hsv input spritedit font2tga text transform truecolor unicode import

colors_SOURCES = colors.c
colors_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@
@@ -40,9 +40,6 @@ hsv_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@
input_SOURCES = input.c
input_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@

matrix_SOURCES = matrix.c
matrix_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ @MATH_LIBS@

spritedit_SOURCES = spritedit.c
spritedit_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@



+ 0
- 166
test/matrix.c View File

@@ -1,166 +0,0 @@
/*
* matrix matrix effect with HDAPS support
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id$
*
* 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://sam.zoy.org/wtfpl/COPYING for more details.
*/

#include "config.h"
#include "common.h"

#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#endif

#if !defined(__KERNEL__)
# include <stdio.h>
# include <math.h>
#endif

#include "cucul.h"
#include "caca.h"

#define MAXDROPS 500
#define MINLEN 15
#define MAXLEN 30

struct drop
{
int x, y, speed, len;
char str[MAXLEN];
}
drop[MAXDROPS];

int main(void)
{
cucul_canvas_t *cv;
caca_display_t *dp;
int i, j;
int w, h, xo, yo, dx = 0, dy = 0, newdx, newdy;
int have_hdaps = 1, have_ams = 1;

cv = cucul_create_canvas(0, 0);
dp = caca_create_display(cv);

caca_set_display_time(dp, 20000);

for(i = 0; i < MAXDROPS; i++)
{
drop[i].x = cucul_rand(0, 1000);
drop[i].y = cucul_rand(0, 1000);
drop[i].speed = 5 + cucul_rand(0, 30);
drop[i].len = MINLEN + cucul_rand(0, (MAXLEN - MINLEN));
for(j = 0; j < MAXLEN; j++)
drop[i].str[j] = cucul_rand('0', 'z');
}

for(;;)
{
int sensorx = 0, sensory = 0;

if(have_hdaps)
{
/* IBM HDAPS support */
FILE *f = fopen("/sys/devices/platform/hdaps/position", "r");

if(f)
{
sensorx = sensory = -387; /* FIXME */

fscanf(f, "(%d,%d)", &sensorx, &sensory);
fclose(f);

sensorx = (sensorx + 387) * 180 / 387 * 4;
sensory = (sensory + 387) * 180 / 387 * 4;
}
else
have_hdaps = 0;
}
else if(have_ams)
{
/* Apple Motion Sensor support */
FILE *fx = fopen("/sys/devices/ams/x", "r");
FILE *fy = fopen("/sys/devices/ams/y", "r");

if(fx && fy)
{
sensorx = sensory = 0;
fscanf(fx, "%d", &sensorx);
fscanf(fy, "%d", &sensory);
fclose(fx);
fclose(fy);
sensorx = - sensorx * 180 / 60;
}
else
have_ams = 0;
}

w = cucul_get_canvas_width(cv);
h = cucul_get_canvas_height(cv);
xo = w / 2;
yo = h / 2;
//newdx = 1000.0 * cos((M_PI / 360.0) * (sensorx));
//newdy = -1000.0 * sin((M_PI / 360.0) * (sensorx));
newdx = sensorx;
newdy = 100;

if(newdx > -10 && newdx < 10)
newdx = 0;

dx = (newdx + 3 * dx) / 4;
dy = (newdy + 3 * dy) / 4;

cucul_clear_canvas(cv);

for(i = 0; i < MAXDROPS && i < (w * h / 32); i++)
{
int x, y;

drop[i].y += drop[i].speed;
if(drop[i].y > 1000)
{
drop[i].y -= 1000;
drop[i].x = cucul_rand(0, 1000);
}

x = drop[i].x * w / 1000 / 2 * 2;
y = drop[i].y * (h + MAXLEN) / 1000;
x += (y - h / 2) * dx / dy;

for(j = 0; j < drop[i].len; j++)
{
unsigned int fg;

if(j < 2)
fg = CUCUL_COLOR_WHITE;
else if(j < drop[i].len / 4)
fg = CUCUL_COLOR_LIGHTGREEN;
else if(j < drop[i].len * 4 / 5)
fg = CUCUL_COLOR_GREEN;
else
fg = CUCUL_COLOR_DARKGRAY;
cucul_set_color(cv, fg, CUCUL_COLOR_BLACK);

cucul_putchar(cv, (x * dy + dy / 2 - j * dx) / dy, y - j,
drop[i].str[(y - j) % drop[i].len]);
}
}

caca_refresh_display(dp);

if(caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, 0))
break;
}

caca_free_display(dp);
cucul_free_canvas(cv);

return 0;
}


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