andras/decla-red
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Add uniform for lights

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This commit is contained in:
schmelczerandras 2020-07-25 16:20:27 +02:00
commit d336bee1ba
1 changed files with 218 additions and 116 deletions
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11
frontend/src/shaders/cave-distance-fs.glsl
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@ -1,12 +1,10 @@
#version 300 es
precision lowp float;
precision mediump float;
#define INFINITY 10000.0
#define INFINITY 200.0
#define LINE_COUNT 50
uniform vec2[LINE_COUNT * 2] lines;
uniform float[LINE_COUNT * 2] radii;
@ -18,8 +16,9 @@ float lineDistance(
in float radiusTo
) {
vec2 pa = target - start, ba = end - start;
float h = clamp(dot(pa, ba) / dot(ba, ba), 0.0, 1.0);
return distance(pa, ba * h) - mix(radiusFrom, radiusTo, h);
float baLength = length(ba);
float h = clamp(dot(pa / baLength, ba / baLength), 0.0, 1.0);
return length(pa - ba * h) - mix(radiusFrom, radiusTo, h);
}
float getDistance(in vec2 target) {