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♻️ Simplify transition tweaking

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This commit is contained in:
Simon Schneegans
2022-05-12 05:48:14 +02:00
parent a42e2736db
commit 9d7d912261
14 changed files with 136 additions and 231 deletions
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src/EnergizeB.js
+16 -24
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@@ -97,22 +97,11 @@ var EnergizeB = class EnergizeB {
return shader;
}
// The tweakTransition() is called from extension.js to tweak a window's open / close
// transitions - usually windows are faded in / out and scaled up / down by GNOME Shell.
// The parameter 'forOpening' is set to true if this is called for a window-open
// transition, for a window-close transition it is set to false. The modes can be set to
// any value from here: https://gjs-docs.gnome.org/clutter8~8_api/clutter.animationmode.
// The only required property is 'opacity', even if it transitions from 1.0 to 1.0. The
// current value of the opacity transition is passed as uProgress to the shader.
// Tweaking the actor's scale during the transition only works properly for GNOME 3.38+.
// For this effect, windows should neither be scaled nor faded.
static tweakTransition(actor, settings, forOpening) {
return {
'opacity': {from: 255, to: 255, mode: 3},
'scale-x': {from: 1.0, to: 1.0, mode: 3},
'scale-y': {from: 1.0, to: 1.0, mode: 3}
};
// The getActorScale() is called from extension.js to adjust the actor's size during the
// animation. This is useful if the effect requires drawing something beyond the usual
// bounds of the actor. This only works for GNOME 3.38+.
static getActorScale(settings) {
return {x: 1.0, y: 1.0};
}
// This is called from extension.js if the extension is disabled. This should free all
@@ -169,6 +158,7 @@ if (utils.isInShellProcess()) {
${shaderSnippets.standardUniforms()}
${shaderSnippets.noise()}
${shaderSnippets.edgeMask()}
${shaderSnippets.easing()}
uniform vec3 uColor;
uniform float uScale;
@@ -183,10 +173,10 @@ if (utils.isInShellProcess()) {
// result.y: A mask for the streaks which follow the shower particles.
// result.z: A mask for the final "atom" particles.
// result.w: The opacity of the fading window.
vec4 getMasks() {
float showerProgress = uProgress/SHOWER_TIME;
float streakProgress = clamp((uProgress-SHOWER_TIME)/STREAK_TIME, 0, 1);
float fadeProgress = clamp((uProgress-SHOWER_TIME)/(1.0 - SHOWER_TIME), 0, 1);
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);
// Gradient from top to bottom.
float t = cogl_tex_coord_in[0].t;
@@ -231,7 +221,9 @@ if (utils.isInShellProcess()) {
`;
const code = `
vec4 masks = getMasks();
float progress = easeOutQuad(uProgress);
vec4 masks = getMasks(progress);
vec4 windowColor = texture2D(uTexture, cogl_tex_coord_in[0].st);
// Shell.GLSLEffect uses straight alpha. So we have to convert from premultiplied.
@@ -244,21 +236,21 @@ if (utils.isInShellProcess()) {
cogl_color_out.a = windowColor.a * masks.w;
// Add leading shower particles.
vec2 showerUV = cogl_tex_coord_in[0].st + vec2(0, -0.7*uProgress/SHOWER_TIME);
vec2 showerUV = cogl_tex_coord_in[0].st + vec2(0, -0.7*progress/SHOWER_TIME);
showerUV *= 0.02 * uSize / uScale;
float shower = pow(simplex2D(showerUV), 10.0);
cogl_color_out.rgb += uColor * shower * masks.x;
cogl_color_out.a += shower * masks.x;
// Add trailing streak lines.
vec2 streakUV = cogl_tex_coord_in[0].st + vec2(0, -uProgress/SHOWER_TIME);
vec2 streakUV = cogl_tex_coord_in[0].st + vec2(0, -progress/SHOWER_TIME);
streakUV *= vec2(0.05 * uSize.x, 0.001 * uSize.y) / uScale;
float streaks = simplex2DFractal(streakUV) * 0.5;
cogl_color_out.rgb += uColor * streaks * masks.y;
cogl_color_out.a += streaks * masks.y;
// Add glimmering atoms.
vec2 atomUV = cogl_tex_coord_in[0].st + vec2(0, -0.025*uProgress/SHOWER_TIME);
vec2 atomUV = cogl_tex_coord_in[0].st + vec2(0, -0.025*progress/SHOWER_TIME);
atomUV *= 0.2 * uSize / uScale;
float atoms = pow((simplex3D(vec3(atomUV, uTime))), 5.0);
cogl_color_out.rgb += uColor * atoms * masks.z;