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🔨 Initial attempt on window-opening animation

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This commit is contained in:
Simon Schneegans
2022-01-27 05:07:30 +01:00
parent b6cb78330d
commit 6b218d049f
10 changed files with 405 additions and 267 deletions
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src/TVEffect.js
+22 -12
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@@ -75,15 +75,23 @@ var TVEffect = class TVEffect {
// ---------------------------------------------------------------- API for extension.js
// This is called from extension.js whenever a window is closed with this effect.
static createShader(actor, settings) {
return new Shader(settings);
static createShader(actor, settings, forOpening) {
return new Shader(settings, forOpening);
}
// This is also called from extension.js. It is used to tweak the ongoing transition of
// the actor - usually windows are faded to transparency and scaled down slightly by
// GNOME Shell. For this effect, windows are scaled down vertically.
static getCloseTransition(actor, settings) {
return {'opacity': {to: 255}, 'scale-x': {to: 1.0}, 'scale-y': {to: 0.5}};
// This is also called from extension.js. It is used to tweak a window's open / close
// transitions - usually windows are faded in / out and scaled up / down by GNOME Shell.
// 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. This also
// determines how the uProgress uniform value will progress in the shader.
// For this effect, windows are scaled down vertically.
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: forOpening ? 0.5 : 1.0, to: forOpening ? 1.0 : 0.5, mode: 3}
};
}
}
@@ -100,7 +108,7 @@ if (utils.isInShellProcess()) {
const shaderSnippets = Me.imports.src.shaderSnippets;
Shader = GObject.registerClass({}, class Shader extends Clutter.ShaderEffect {
_init(settings) {
_init(settings, forOpening) {
super._init({shader_type: Clutter.ShaderType.FRAGMENT_SHADER});
const color = Clutter.Color.from_string(settings.get_string('tv-effect-color'))[1];
@@ -118,13 +126,15 @@ if (utils.isInShellProcess()) {
void main() {
float progress = ${forOpening ? '1.0-uProgress' : 'uProgress'};
// All of these are in [0..1] during the different stages of the animation.
// tb refers to the top-bottom animation.
// lr refers to the left-right animation.
// ff refers to the final fade animation.
float tbProgress = smoothstep(0, 1, clamp(uProgress/TB_TIME, 0, 1));
float lrProgress = smoothstep(0, 1, clamp((uProgress - LR_DELAY)/LR_TIME, 0, 1));
float ffProgress = smoothstep(0, 1, clamp((uProgress - 1.0 + FF_TIME)/FF_TIME, 0, 1));
float tbProgress = smoothstep(0, 1, clamp(progress/TB_TIME, 0, 1));
float lrProgress = smoothstep(0, 1, clamp((progress - LR_DELAY)/LR_TIME, 0, 1));
float ffProgress = smoothstep(0, 1, clamp((progress - 1.0 + FF_TIME)/FF_TIME, 0, 1));
// This is a top-center-bottom gradient in [0..1..0]
float tb = cogl_tex_coord_in[0].t * 2;
@@ -147,7 +157,7 @@ if (utils.isInShellProcess()) {
${color.green / 255},
${color.blue / 255}, 1.0) * windowColor.a;
windowColor.rgb = mix(windowColor.rgb, effectColor.rgb, smoothstep(0, 1, uProgress));
windowColor.rgb = mix(windowColor.rgb, effectColor.rgb, smoothstep(0, 1, progress));
cogl_color_out = windowColor * mask;