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🔧 Improve optics of Snap of Disintegration

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This commit is contained in:
Simon Schneegans
2022-04-03 13:06:09 +02:00
parent b6a419a0d7
commit dc849112b8
2 changed files with 33 additions and 19 deletions
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schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
+2 -2
View File
@@ -438,13 +438,13 @@
</key> </key>
<key name="snap-animation-time" type="i"> <key name="snap-animation-time" type="i">
<default>1000</default> <default>1500</default>
<summary>Snap Animation Time</summary> <summary>Snap Animation Time</summary>
<description>The time the snap effect takes.</description> <description>The time the snap effect takes.</description>
</key> </key>
<key name="snap-scale" type="d"> <key name="snap-scale" type="d">
<default>1.0</default> <default>2.0</default>
<summary>Snap Scale</summary> <summary>Snap Scale</summary>
<description>The size of the snap effect.</description> <description>The size of the snap effect.</description>
</key> </key>
src/SnapOfDisintegration.js
+31 -17
View File
@@ -139,24 +139,36 @@ if (utils.isInShellProcess()) {
// Inject some common shader snippets. // Inject some common shader snippets.
${shaderSnippets.standardUniforms()} ${shaderSnippets.standardUniforms()}
${shaderSnippets.noise()}
${shaderSnippets.math2D()} ${shaderSnippets.math2D()}
uniform sampler2D uDustTexture; uniform sampler2D uDustTexture;
const vec2 SEED = vec2(${testMode ? 0 : Math.random()}, const vec2 SEED = vec2(${testMode ? 0 : Math.random()},
${testMode ? 0 : Math.random()}); ${testMode ? 0 : Math.random()});
const float DUST_SCALE = ${settings.get_double('snap-scale')}; const float DUST_SCALE = ${settings.get_double('snap-scale')};
const float DUST_LAYERS = 5; const float DUST_LAYERS = 4;
const float ACTOR_SCALE = 1.2; const float GROW_INTENSITY = 0.05;
const float PADDING = ACTOR_SCALE / 2.0 - 0.5; const float SHRINK_INTENSITY = 0.05;
const vec2 EPICENTER = vec2(0.5); const float WIND_INTENSITY = 0.05;
const vec3 DUST_COLOR = vec3(${color.red / 255}, const float ACTOR_SCALE = 1.2;
${color.green / 255}, const float PADDING = ACTOR_SCALE / 2.0 - 0.5;
${color.blue / 255}); const vec3 DUST_COLOR = vec3(${color.red / 255},
${color.green / 255},
${color.blue / 255});
void main() { void main() {
// We simply inverse the progress for opening windows. // We simply inverse the progress for opening windows.
float progress = pow(${forOpening ? '1.0-uProgress' : 'uProgress'}, 2.0); float progress = ${forOpening ? 'uProgress' : '1.0 - uProgress'};
float gradient = cogl_tex_coord_in[0].t * ACTOR_SCALE - PADDING;
progress = 2.0 - gradient - 2.0 * progress;
progress = progress + 0.25 - 0.5 * simplex2D((cogl_tex_coord_in[0].st + SEED) * 2.0);
progress = pow(max(0, progress), 2.0);
// This may help you to understand how this effect works.
// cogl_color_out = vec4(progress, 0, 0, 0);
// return;
cogl_color_out = vec4(0, 0, 0, 0); cogl_color_out = vec4(0, 0, 0, 0);
@@ -169,7 +181,7 @@ if (utils.isInShellProcess()) {
direction = rotate(direction, angle); direction = rotate(direction, angle);
// Flip direction for one side of the window. // Flip direction for one side of the window.
vec2 coords = cogl_tex_coord_in[0].st * ACTOR_SCALE - PADDING - EPICENTER; vec2 coords = cogl_tex_coord_in[0].st * ACTOR_SCALE - PADDING - 0.5;
if (getWinding(direction, coords) > 0) { if (getWinding(direction, coords) > 0) {
direction *= -1; direction *= -1;
} }
@@ -182,11 +194,13 @@ if (utils.isInShellProcess()) {
// We grow the layer along the random direction, shrink it orthogonally to it // We grow the layer along the random direction, shrink it orthogonally to it
// and scale it up slightly. // and scale it up slightly.
float dist = distToLine(vec2(0.0), direction, coords); float dist = distToLine(vec2(0.0), direction, coords);
vec2 grow = direction * dist * mix(0, 0.1, progress); vec2 grow = direction * dist * mix(0, GROW_INTENSITY, progress);
vec2 shrink = vec2(direction.y, -direction.x) * dist * mix(0, 0.1, progress); vec2 shrink = vec2(direction.y, -direction.x) * dist * mix(0, SHRINK_INTENSITY, progress);
float scale = mix(1.0, 1.1, factor * progress); float scale = mix(1.0, 1.05, factor * progress);
coords = (coords + grow + shrink) / scale; coords = (coords + grow + shrink) / scale;
// Add some wind.
coords.x = coords.x ${forOpening ? ' + ' : ' - '} progress * WIND_INTENSITY;
// Now check wether there is actually something in the current dust layer at // Now check wether there is actually something in the current dust layer at
// the coords position. // the coords position.
@@ -197,7 +211,7 @@ if (utils.isInShellProcess()) {
if (dustGroup == i) { if (dustGroup == i) {
// Fade the window color to DUST_COLOR. // Fade the window color to DUST_COLOR.
vec4 windowColor = texture2D(uTexture, coords + EPICENTER); vec4 windowColor = texture2D(uTexture, coords + 0.5);
windowColor.rgb = mix(windowColor.rgb, DUST_COLOR*windowColor.a, progress); windowColor.rgb = mix(windowColor.rgb, DUST_COLOR*windowColor.a, progress);
// Dissolve the dust particles. // Dissolve the dust particles.