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Separate boxfade method

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This commit is contained in:
Greg Shuflin 2025-02-14 12:58:58 -08:00
parent ec61518dfc
commit c8ca44c6ca
1 changed files with 15 additions and 2 deletions
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17
src/psychadelic-graphics/psychadelicColors.frag.glsl
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@ -24,14 +24,13 @@ void main() {
float size = 0.01; float size = 0.01;
uv.x = floor(uv.x / size) * size; uv.x = floor(uv.x / size) * size;
uv.y = floor(uv.y / size) * size; uv.y = floor(uv.y / size) * size;
float rand = random(uv); float rand = random(uv);
float period = 5.0; float period = 5.0;
float mask = mod(u_time / period, 1.0); float mask = mod(u_time / period, 1.4);
float x = rand < mask ? uv.x : 0.0; float x = rand < mask ? uv.x : 0.0;
float y = rand < mask ? uv.y : 0.0; float y = rand < mask ? uv.y : 0.0;
@ -39,3 +38,17 @@ void main() {
fragColor = vec4(x, 0.0, y, 1.0); fragColor = vec4(x, 0.0, y, 1.0);
} }
vec4 boxFade(vec4 inputColor, float boxSize, float period) {
float canvasSize = max(u_canvasWidth, u_canvasHeight);
vec2 uv = gl_FragCoord.xy/vec2(canvasSize, canvasSize);
float x = floor(uv.x / boxSize) * boxSize;
float y = floor(uv.y / boxSize) * boxSize;
float rand = random(uv);
float mask = mod(u_time / period, 1.4);
return rand < mask ? inputColor : vec4(0.0, 0.0, 0.0, 1.0);
}