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🔧 Reduce number of implicit calls

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This commit is contained in:
Simon Schneegans
2022-06-10 08:24:42 +02:00
parent f44d0ae5b6
commit 6fb56612e2
10 changed files with 63 additions and 62 deletions
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resources/shaders/fire.frag
+8 -8
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@@ -23,7 +23,7 @@ uniform vec4 uGradient4;
uniform vec4 uGradient5;
// These may be configurable in the future.
const float EDGE_FADE = 70;
const float EDGE_FADE = 70.0;
const float FADE_WIDTH = 0.1;
const float HIDE_TIME = 0.4;
@@ -59,22 +59,22 @@ vec4 getFireColor(float v) {
vec2 effectMask(float hideTime, float fadeWidth, float edgeFadeWidth) {
float progress = easeOutQuad(uProgress);
float burnProgress = clamp(progress / hideTime, 0, 1);
float afterBurnProgress = clamp((progress - hideTime) / (1 - hideTime), 0, 1);
float burnProgress = clamp(progress / hideTime, 0.0, 1.0);
float afterBurnProgress = clamp((progress - hideTime) / (1.0 - hideTime), 0.0, 1.0);
// Gradient from top to bottom.
float t = iTexCoord.t * (1 - fadeWidth);
float t = iTexCoord.t * (1.0 - fadeWidth);
// Visible part of the window. Gradually dissolves towards the bottom.
float windowMask = 1 - clamp((burnProgress - t) / fadeWidth, 0, 1);
float windowMask = 1.0 - clamp((burnProgress - t) / fadeWidth, 0.0, 1.0);
// Gradient from top burning window.
float effectMask = clamp(t * (1 - windowMask) / burnProgress, 0, 1);
float effectMask = clamp(t * (1.0 - windowMask) / burnProgress, 0.0, 1.0);
// Fade-out when the window burned down.
if (progress > hideTime) {
float fade = sqrt(1 - afterBurnProgress * afterBurnProgress);
effectMask *= mix(1, 1 - t, afterBurnProgress) * fade;
float fade = sqrt(1.0 - afterBurnProgress * afterBurnProgress);
effectMask *= mix(1.0, 1.0 - t, afterBurnProgress) * fade;
}
// Fade at window borders.