andras/decla-red
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Enhance lights

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schmelczerandras 2020-09-14 15:01:47 +02:00
commit 94817d6e67
1 changed files with 182 additions and 146 deletions
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11
frontend/src/scripts/drawing/shaders/distance-fs.glsl
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@ -6,7 +6,7 @@ precision lowp float;
#define BLOB_COUNT {blobCount}
uniform float maxMinDistance;
uniform float pixelSize;
uniform float distanceUvPixelSize;
in vec2 position;
@ -38,7 +38,7 @@ in vec2 position;
myMinDistance = min(myMinDistance, lineDistance);
}
color = mix(0.0, color, step(pixelSize, -myMinDistance));
color = mix(0.0, color, step(distanceUvPixelSize, -myMinDistance));
minDistance = -myMinDistance;
}
@ -47,11 +47,9 @@ in vec2 position;
#if BLOB_COUNT > 0
uniform struct {
vec2 headCenter;
vec2 torsoCenter;
vec2 leftFootCenter;
vec2 rightFootCenter;
float headRadius;
float torsoRadius;
float footRadius;
float k;
}[BLOB_COUNT] blobs;
@ -63,12 +61,11 @@ in vec2 position;
void blobMinDistance(inout float minDistance, inout float color) {
for (int i = 0; i < BLOB_COUNT; i++) {
float res = exp2(-blobs[i].k * circleMinDistance(blobs[i].headCenter, blobs[i].headRadius));
res += exp2(-blobs[i].k * circleMinDistance(blobs[i].torsoCenter, blobs[i].torsoRadius));
res += exp2(-blobs[i].k * circleMinDistance(blobs[i].leftFootCenter, blobs[i].footRadius));
res += exp2(-blobs[i].k * circleMinDistance(blobs[i].rightFootCenter, blobs[i].footRadius));
res = -log2(res) / blobs[i].k;
color = mix(1.0, color, step(pixelSize, res));
color = mix(1.0, color, step(distanceUvPixelSize, res));
minDistance = min(minDistance, res);
}
@ -85,7 +82,7 @@ void main() {
lineMinDistance(minDistance, color);
#endif
#if BLOB_COUNT > 0
#if BLOB_COUNT > 10
blobMinDistance(minDistance, color);
#endif