andras/decla-red
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Fix rendering issues

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This commit is contained in:
schmelczerandras 2020-08-16 09:15:09 +02:00
commit eb39846b75
1 changed files with 25 additions and 29 deletions
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11
frontend/src/scripts/drawing/shaders/cave-distance-fs.glsl
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@ -29,10 +29,10 @@ void main() {
float minDistance = maxMinDistance;
for (int i = 0; i < LINE_COUNT; i++) {
vec2 pa = worldCoordinates - lines[i].from;
vec2 ba = lines[i].toFromDelta;
float h = clamp(dot(pa, ba) / dot(ba, ba), 0.0, 1.0);
float lineDistance = distance(pa, ba * h) - mix(lines[i].fromRadius, lines[i].toRadius, h);
vec2 targetFromDelta = worldCoordinates - lines[i].from;
vec2 toFromDelta = lines[i].toFromDelta;
float h = clamp(dot(targetFromDelta, toFromDelta) / dot(toFromDelta, toFromDelta), 0.0, 1.0);
float lineDistance = distance(targetFromDelta, toFromDelta * h) - mix(lines[i].fromRadius, lines[i].toRadius, h);
minDistance = min(minDistance, lineDistance);
}
@ -42,6 +42,7 @@ void main() {
fragmentColor = vec4(
mix(CAVE_COLOR, AIR_COLOR, clamp(realDistance, 0.0, 1.0)),
(realDistance + DISTANCE_OFFSET) / DISTANCE_SCALE - 1.0/255.0
(realDistance + DISTANCE_OFFSET) / DISTANCE_SCALE
);
}