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removed life example

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codeanticode
2012-09-03 19:19:56 +00:00
parent aa90bbc42e
commit e7e1feb028
2 changed files with 0 additions and 73 deletions
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13
java/examples/Topics/Shaders/Life/Life.pde
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@@ -1,13 +0,0 @@
PShader life;
void setup() {
size(640, 480, P2D);
life = loadShader("Life.glsl");
noStroke();
}
void draw() {
life.set("time", millis() / 1000.0f);
life.set("mouse", (float)mouseX, height - (float)mouseY);
shader(life);
rect(0, 0, width, height);
}

60
java/examples/Topics/Shaders/Life/data/Life.glsl
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@@ -1,60 +0,0 @@
// Conway's game of life
#ifdef GL_ES
precision highp float;
#endif
uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;
uniform sampler2D backbufferSampler;
vec4 live = vec4(0.796, 0.933, 0.141, 1.0);
vec4 dead = vec4(0.384, 0.792, 0.086, 1.0);
vec4 dirt = vec4(0.478, 0.31, 0.208, 1.0);
vec4 decay = vec4(0.349, 0.31, 0.118, 1.0);
void main( void ) {
vec2 position = ( gl_FragCoord.xy / resolution.xy );
vec2 pixel = 1./resolution;
if (length(position-mouse/resolution) < 0.01) {
float rnd1 = mod(fract(sin(dot(position + time * 0.001, vec2(14.9898,78.233))) * 43758.5453), 1.0);
if (rnd1 > 0.5) {
gl_FragColor = live;
} else {
gl_FragColor = dead;
}
} else {
int sum = 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(-1., -1.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(-1., 0.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(-1., 1.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(1., -1.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(1., 0.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(1., 1.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(0., -1.)).g > 0.9) ? 1 : 0;
sum += (texture2D(backbufferSampler, position + pixel * vec2(0., 1.)).g > 0.9) ? 1 : 0;
vec4 me = texture2D(backbufferSampler, position);
if (me.g <= 0.9) {
if (sum == 3) {
gl_FragColor = live;
} else if ((me.b > 0.2) || (me.b < 0.01)) {
gl_FragColor = dirt;
} else {
if (me.r > decay.r) { me.r -= 0.004; }
else if (me.g > decay.g) { me.g -= 0.004; }
else if (me.b < decay.b) { me.b += 0.004; }
else { me = decay; }
gl_FragColor = me;
}
} else {
if ((sum == 2) || (sum == 3)) {
gl_FragColor = live;
} else {
gl_FragColor = dead;
}
}
}
}