andras/decla-red
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Add frame buffers

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This commit is contained in:
schmelczerandras 2020-07-22 15:09:59 +02:00
commit 582979d3ed
1 changed files with 308 additions and 101 deletions
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18
frontend/src/shaders/rainbow.frag
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@ -1,18 +0,0 @@
vec3 rainbow(float level) {
float r = float(level <= 2.0) + float(level > 4.0) * 0.5;
float g = max(1.0 - abs(level - 2.0) * 0.5, 0.0);
float b = (1.0 - (level - 4.0) * 0.5) * float(level >= 4.0);
return vec3(r, g, b);
}
vec4 smoothRainbow(float x) {
float level1 = floor(x*6.0);
float level2 = min(6.0, floor(x*6.0) + 1.0);
vec3 a = rainbow(level1);
vec3 b = rainbow(level2);
return vec4(mix(a, b, fract(x*6.0)), 1.0);
}
fragmentColor = smoothRainbow(getDistance(position) / 30.0 + 0.5);