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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/energize-b.frag
+8 -8
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@@ -28,22 +28,22 @@ const float EDGE_FADE = 50;
// result.w: The opacity of the fading window.
vec4 getMasks(float progress) {
float showerProgress = progress / SHOWER_TIME;
float streakProgress = clamp((progress - SHOWER_TIME) / STREAK_TIME, 0, 1);
float fadeProgress = clamp((progress - SHOWER_TIME) / (1.0 - SHOWER_TIME), 0, 1);
float streakProgress = clamp((progress - SHOWER_TIME) / STREAK_TIME, 0.0, 1.0);
float fadeProgress = clamp((progress - SHOWER_TIME) / (1.0 - SHOWER_TIME), 0.0, 1.0);
// Gradient from top to bottom.
float t = iTexCoord.t;
// A smooth gradient which moves to the bottom within the showerProgress.
float showerMask =
smoothstep(1, 0, abs(showerProgress - t - SHOWER_WIDTH) / SHOWER_WIDTH);
smoothstep(1.0, 0.0, abs(showerProgress - t - SHOWER_WIDTH) / SHOWER_WIDTH);
// This is 1 above the streak mask.
float streakMask = (showerProgress - t - SHOWER_WIDTH) > 0 ? 1 : 0;
float streakMask = (showerProgress - t - SHOWER_WIDTH) > 0.0 ? 1.0 : 0.0;
// Compute mask for the "atom" particles.
float atomMask = getRelativeEdgeMask(0.2);
atomMask = max(0, atomMask - showerMask);
atomMask = max(0.0, atomMask - showerMask);
atomMask *= streakMask;
atomMask *= sqrt(1 - fadeProgress * fadeProgress);
@@ -84,21 +84,21 @@ void main() {
oColor.a = oColor.a * masks.w;
// Add leading shower particles.
vec2 showerUV = iTexCoord.st + vec2(0, -0.7 * progress / SHOWER_TIME);
vec2 showerUV = iTexCoord.st + vec2(0.0, -0.7 * progress / SHOWER_TIME);
showerUV *= 0.02 * uSize / uScale;
float shower = pow(simplex2D(showerUV), 10.0);
oColor.rgb += uColor * shower * masks.x;
oColor.a += shower * masks.x;
// Add trailing streak lines.
vec2 streakUV = iTexCoord.st + vec2(0, -progress / SHOWER_TIME);
vec2 streakUV = iTexCoord.st + vec2(0.0, -progress / SHOWER_TIME);
streakUV *= vec2(0.05 * uSize.x, 0.001 * uSize.y) / uScale;
float streaks = simplex2DFractal(streakUV) * 0.5;
oColor.rgb += uColor * streaks * masks.y;
oColor.a += streaks * masks.y;
// Add glimmering atoms.
vec2 atomUV = iTexCoord.st + vec2(0, -0.025 * progress / SHOWER_TIME);
vec2 atomUV = iTexCoord.st + vec2(0.0, -0.025 * progress / SHOWER_TIME);
atomUV *= 0.2 * uSize / uScale;
float atoms = pow((simplex3D(vec3(atomUV, uProgress * uDuration))), 5.0);
oColor.rgb += uColor * atoms * masks.z;