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📝 Fix some comments

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This commit is contained in:
Simon Schneegans
2025-02-12 16:17:57 +01:00
parent 9a8f7d5efe
commit 6ba109c7e4
1 changed files with 17 additions and 34 deletions
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resources/shaders/team-rocket.frag
+17 -34
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@@ -91,7 +91,7 @@ graph above ... where t is close to 0, or 1 the result will fade to zero
i.e. this is just the function of power(x,p) shifted
where x is time, and p is 2.0,4.0,8.0,10.0 ... or any positive even number
*/
float FadeInOut(float t, float power) {
float fadeInOut(float t, float power) {
float s = -1.0 * pow((t - 0.5) / (0.5), power) + 1.0;
s = clamp(s, 0.0, 1.0);
return s;
@@ -105,23 +105,15 @@ void main() {
// If opening, use uProgress as-is; if closing, invert the progression.
float progress = uForOpening ? 1.0 - uProgress : uProgress;
// scale progress ... the first half of the animation
// Scale progress ... the first half of the animation.
float scalep = remap(progress, 0.0, uWT + 0.1, 0.0, 1.0);
scalep = easeOutQuad(scalep);
// scalep = easeInOutSine(scalep);
scalep = easeOutQuad(scalep);
// sparkle progress ... the second half of the animation
// Sparkle progress ... the second half of the animation.
float sparkp = remap(progress, uWT - 0.1, 1.0, 0.0, 1.0);
sparkp = easeInOutSine(sparkp);
/*
the window will scale between 0.0 and 0.6 (of the progress)
the sparkle will bet between 0.4 and 1.0 (of the progress)
... so there is a tab bit of over lap
*/
// // this is the offset of the window... don't let them go too far each way
// This is the offset of the window... don't let them go too far each way.
vec2 offset = vec2(uXpos, uYpos * -1.0) * 0.20;
vec2 scaleOffset = mix(vec2(0.0), vec2(uXpos, uYpos * -1.0) * 0.50, scalep);
@@ -132,14 +124,10 @@ void main() {
// get and adjust
vec2 uv2 = iTexCoord.st;
uv2 = uv2 * 2.0 - 1.0;
// offset
uv2 -= (scaleOffset / vec2(aspect, 1.0)) * scalep;
uv2 /= 1.0 - scalep;
// scale
uv2 /= mix(1.0, 0.0, scalep);
// rotation and if we are gonna rotate or not
// Rotation and if we are gonna rotate or not.
vec3 rot = vec3(0.0);
if (uWinRot) {
rot = hash32(uSeed);
@@ -148,7 +136,7 @@ void main() {
rot *= 0.1;
}
// rotate around x, y , and z
// Rotate around x, y , and z.
uv2.x /= mix(1.0, rot.x * TAU * uv2.y, scalep);
uv2.y /= mix(1.0, rot.y * TAU * uv2.x, scalep);
uv2 = rotate(uv2, rot.z * TAU * scalep);
@@ -156,23 +144,18 @@ void main() {
// re-center
uv2 = uv2 * 0.5 + 0.5;
// gets the window
vec4 oColor = getInputColor(uv2);
// the sparksize will bet between 25.0 and 50.0
// Get the sparkle.
float size = mix(25.0, 50.0, uSparkleSize);
// get the sparkle
float sparkle =
getSpark(uv, offset + vec2(0.5 * aspect, 0.5), FadeInOut(sparkp, 2) * uSparkleSize,
FadeInOut(sparkp, 2) * size, sparkp * TAU * float(uSparkleRot));
// fade out at the edges
sparkle *= FadeInOut(iTexCoord.t, 8);
sparkle *= FadeInOut(iTexCoord.s, 8);
getSpark(uv, offset + vec2(0.5 * aspect, 0.5), fadeInOut(sparkp, 2) * uSparkleSize,
fadeInOut(sparkp, 2) * size, sparkp * TAU * float(uSparkleRot));
// Fade out at the edges.
sparkle *= fadeInOut(iTexCoord.t, 8);
sparkle *= fadeInOut(iTexCoord.s, 8);
// set it to the results
oColor = alphaOver(oColor, vec4(1.0, 1.0, 1.0, sparkle));
// Combine the final color.
vec4 oColor = getInputColor(uv2);
oColor = alphaOver(oColor, vec4(1.0, 1.0, 1.0, sparkle));
// output the color
setOutputColor(oColor);
}