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🔀 Merge pull request #16 from Schneegans/feature/claws

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This commit is contained in:
Simon Schneegans
2022-01-01 21:23:12 +01:00
committed by GitHub
parent 8c6c1bc7bd c9bfdc4bf9
commit 4965ca8735
9 changed files with 413 additions and 1 deletions
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assets/README.md
+7
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@@ -0,0 +1,7 @@
# Notes for `claws.blend`
This is the source file for `resources/img/claws.png`. To generate the image, the animation in `claws.blend` is rendered to 256 PNG files and then combined using this command:
```bash
convert *.png -average claws.png
```
assets/claws.blend
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docs/changelog.md
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@@ -6,6 +6,7 @@
#### New Features
* Added a new ridiculous close-animation: the T-Rex-Attack!
* Added a new simple close-animation: the TV-Effect!
#### Other Enhancements
extension.js
+7
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@@ -25,6 +25,7 @@ const utils = Me.imports.src.common.utils;
const FireShader = Me.imports.src.extension.FireShader.FireShader;
const MatrixShader = Me.imports.src.extension.MatrixShader.MatrixShader;
const TVEffectShader = Me.imports.src.extension.TVEffectShader.TVEffectShader;
const TRexShader = Me.imports.src.extension.TRexShader.TRexShader;
//////////////////////////////////////////////////////////////////////////////////////////
// This extensions modifies the window-close animation to look like the window was set //
@@ -158,6 +159,12 @@ class Extension {
} else if (mode == 3) {
shader = new TVEffectShader(this._settings);
tweakTransition('scale-y', 0.5);
} else if (mode == 4) {
shader = new TRexShader(this._settings);
const warp = 0.5 * this._settings.get_double('claw-scratch-warp');
tweakTransition('scale-x', 1.0 + warp);
tweakTransition('scale-y', 1.0 + warp);
}
if (shader) {
prefs.js
+5 -1
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@@ -58,8 +58,12 @@ var PreferencesDialog = class PreferencesDialog {
this._bindColorButton('matrix-trail-color');
this._bindColorButton('matrix-tip-color');
this._bindColorButton('tv-effect-color');
this._bindColorButton('claw-scratch-color');
this._bindAdjustment('claw-scratch-scale');
this._bindAdjustment('claw-scratch-count');
this._bindAdjustment('claw-scratch-warp');
// The fire-gradient-reset button needs to by bound explicitly.
// The fire-gradient-reset button needs to be bound explicitly.
this._builder.get_object('reset-fire-colors').connect('clicked', () => {
this._settings.reset('fire-color-1');
this._settings.reset('fire-color-2');
resources/img/claws.png
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resources/ui/gtk4.ui
+209
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@@ -20,6 +20,10 @@
<col id="0">TV Effect</col>
<col id="1">tv</col>
</row>
<row>
<col id="0">T-Rex Attack</col>
<col id="1">trex</col>
</row>
</data>
</object>
@@ -574,6 +578,211 @@
</child>
<child>
<object class="GtkBox">
<property name="margin-top">30</property>
<property name="margin-bottom">10</property>
<child>
<object class="GtkLabel">
<property name="label">T-Rex Attack Options</property>
<property name="xalign">0</property>
<property name="hexpand">1</property>
<style>
<class name="title-4" />
</style>
</object>
</child>
</object>
</child>
<child>
<object class="GtkFrame">
<child>
<object class="GtkListBox">
<property name="selection-mode">none</property>
<property name="show-separators">1</property>
<style>
<class name="rich-list" />
</style>
<child>
<object class="GtkListBoxRow">
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Claw Scratch Scale</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
</object>
</child>
<child>
<object class="GtkScale">
<property name="halign">end</property>
<property name="valign">center</property>
<property name="draw-value">1</property>
<property name="digits">1</property>
<property name="value-pos">left</property>
<property name="width-request">300</property>
<property name="adjustment">
<object class="GtkAdjustment" id="claw-scratch-scale">
<property name="upper">10</property>
<property name="lower">0.1</property>
<property name="step-increment">0.1</property>
<property name="page-increment">1</property>
</object>
</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-claw-scratch-scale">
<property name="icon-name">edit-clear-symbolic</property>
<property name="tooltip-text">Reset to Default Value</property>
<style>
<class name="flat" />
</style>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Claw Scratch Count</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
</object>
</child>
<child>
<object class="GtkScale">
<property name="halign">end</property>
<property name="valign">center</property>
<property name="draw-value">1</property>
<property name="digits">0</property>
<property name="value-pos">left</property>
<property name="width-request">300</property>
<property name="adjustment">
<object class="GtkAdjustment" id="claw-scratch-count">
<property name="upper">50</property>
<property name="lower">1</property>
<property name="step-increment">1</property>
<property name="page-increment">10</property>
</object>
</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-claw-scratch-count">
<property name="icon-name">edit-clear-symbolic</property>
<property name="tooltip-text">Reset to Default Value</property>
<style>
<class name="flat" />
</style>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Warp Effect</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
</object>
</child>
<child>
<object class="GtkScale">
<property name="halign">end</property>
<property name="valign">center</property>
<property name="draw-value">1</property>
<property name="digits">2</property>
<property name="value-pos">left</property>
<property name="width-request">300</property>
<property name="adjustment">
<object class="GtkAdjustment" id="claw-scratch-warp">
<property name="upper">1</property>
<property name="lower">0</property>
<property name="step-increment">0.01</property>
<property name="page-increment">0.1</property>
</object>
</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-claw-scratch-warp">
<property name="icon-name">edit-clear-symbolic</property>
<property name="tooltip-text">Reset to Default Value</property>
<style>
<class name="flat" />
</style>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Flash Color</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
</object>
</child>
<child>
<object class="GtkColorButton" id="claw-scratch-color">
<property name="use_alpha">1</property>
<property name="show_editor">1</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-claw-scratch-color">
<property name="icon-name">edit-clear-symbolic</property>
<property name="tooltip-text">Reset to Default Value</property>
<style>
<class name="flat" />
</style>
</object>
</child>
</object>
</child>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkBox">
<property name="margin-top">30</property>
schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
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@@ -5,6 +5,7 @@
<value value='1' nick='fire' />
<value value='2' nick='matrix' />
<value value='3' nick='tv' />
<value value='4' nick='trex' />
</enum>
<schema path="/org/gnome/shell/extensions/burn-my-windows/" id="org.gnome.shell.extensions.burn-my-windows">
@@ -95,6 +96,7 @@
<description>The color matrix trails.</description>
</key>
<key name="tv-effect-color" type="s">
<default>"rgb(255, 255, 255)"</default>
<summary>TV Effect Color</summary>
@@ -102,6 +104,31 @@
</key>
<key name="claw-scratch-color" type="s">
<default>"rgb(170, 0, 0)"</default>
<summary>Claw Scratch Color</summary>
<description>The color of the claw scratches.</description>
</key>
<key name="claw-scratch-scale" type="d">
<default>1.0</default>
<summary>Claw Scratch Scale</summary>
<description>Size of the claw scratches.</description>
</key>
<key name="claw-scratch-warp" type="d">
<default>0.15</default>
<summary>Claw Scratch Warp</summary>
<description>Intensity of the claw scratch warp effect.</description>
</key>
<key name="claw-scratch-count" type="i">
<default>5</default>
<summary>Claw Scratch Count</summary>
<description>Number of claw scratches drawn on top of each other.</description>
</key>
</schema>
</schemalist>
src/extension/TRexShader.js
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@@ -0,0 +1,157 @@
//////////////////////////////////////////////////////////////////////////////////////////
// ) ( //
// ( /( ( ( ) ( ( ( ( )\ ) ( ( //
// )\()) ))\ )( ( ( )\ ) )\))( )\ ( (()/( ( )\))( ( //
// ((_)\ /((_|()\ )\ ) )\ '(()/( ((_)()((_) )\ ) ((_)))\((_)()\ )\ //
// | |(_|_))( ((_)_(_/( _((_)) )(_)) _(()((_|_)_(_/( _| |((_)(()((_|(_) //
// | '_ \ || | '_| ' \)) | ' \()| || | \ V V / | ' \)) _` / _ \ V V (_-< //
// |_.__/\_,_|_| |_||_| |_|_|_| \_, | \_/\_/|_|_||_|\__,_\___/\_/\_//__/ //
// |__/ //
// Copyright (c) 2021 Simon Schneegans //
// Released under the GPLv3 or later. See LICENSE file for details. //
//////////////////////////////////////////////////////////////////////////////////////////
'use strict';
const {Clutter, GObject, GdkPixbuf, Cogl} = imports.gi;
const ExtensionUtils = imports.misc.extensionUtils;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const shaderSnippets = Me.imports.src.extension.shaderSnippets;
//////////////////////////////////////////////////////////////////////////////////////////
// This effect tears your windows apart with a series of violent scratches! //
// This effect is not available on GNOME 3.3x, due to the limitation described in the //
// documentation of vfunc_paint_target further down in this file. //
//////////////////////////////////////////////////////////////////////////////////////////
var TRexShader = GObject.registerClass({Properties: {}, Signals: {}},
class TRexShader extends Clutter.ShaderEffect {
_init(settings) {
super._init({shader_type: Clutter.ShaderType.FRAGMENT_SHADER});
// Load the claw texture. As the shader is re-created for each window animation, this
// texture is also re-created each time. This could be improved in the future!
// See assets/README.md for how this texture was created.
const clawData = GdkPixbuf.Pixbuf.new_from_resource('/img/claws.png');
this._clawTexture = new Clutter.Image();
this._clawTexture.set_data(
clawData.get_pixels(), Cogl.PixelFormat.RGB_888, clawData.width, clawData.height,
clawData.rowstride);
const color = Clutter.Color.from_string(settings.get_string('claw-scratch-color'))[1];
this.set_shader_source(`
// Inject some common shader snippets.
${shaderSnippets.standardUniforms()}
${shaderSnippets.noise()}
// See assets/README.md for how this texture was created.
uniform sampler2D uClawTexture;
const vec2 SEED = vec2(${Math.random()}, ${Math.random()});
const float CLAW_SIZE = ${settings.get_double('claw-scratch-scale')};
const float NUM_CLAWS = ${settings.get_int('claw-scratch-count')};
const float WARP_INTENSITY = 1.0 + ${settings.get_double('claw-scratch-warp')};
const float FLASH_INTENSITY = 0.1;
const float MAX_SPAWN_TIME = 0.5; // Scratches will only start in the first half of the animation.
const float FF_TIME = 0.5; // Relative time for the final fade to transparency.
// This method generates a grid of randomly rotated, slightly shifted and scaled
// UV squares. It returns the texture coords of the UV square at the given actor
// coordinates. If these do not fall into one of the UV grids, the coordinates of
// the closest UV grid will be clamped and returned.
vec2 getClawUV(vec2 texCoords, float gridScale, vec2 seed) {
// Shift coordinates by a random offset and make sure the have a 1:1 aspect ratio.
vec2 coords = texCoords + rand2(seed);
coords *= uSizeX < uSizeY ? vec2(1.0, 1.0 * uSizeY / uSizeX) : vec2(1.0 * uSizeX / uSizeY, 1.0);
// Apply global scale.
coords *= gridScale;
// Get grid cell coordinates in [0..1].
vec2 cellUV = mod(coords, vec2(1));
// This is unique for each cell.
vec2 cellID = coords-cellUV + vec2(362.456);
// Add random rotation, scale and offset to each grid cell.
float scale = mix(0.8, 1.0, rand(cellID*seed*134.451));
float offsetX = mix(0.0, 1.0 - scale, rand(cellID*seed*54.4129));
float offsetY = mix(0.0, 1.0 - scale, rand(cellID*seed*25.3089));
float rotation = mix(0.0, 2.0 * 3.141, rand(cellID*seed*2.99837));
cellUV -= vec2(offsetX, offsetY);
cellUV /= scale;
cellUV -= 0.5;
cellUV = vec2(cellUV.x * cos(rotation) - cellUV.y * sin(rotation),
cellUV.x * sin(rotation) + cellUV.y * cos(rotation));
cellUV += 0.5;
// Clamp resulting coordinates.
return clamp(cellUV, vec2(0), vec2(1));
}
void main() {
// Warp the texture coordinates to create a blow-up effect.
vec2 coords = cogl_tex_coord_in[0].st * 2.0 - 1.0;
float dist = length(coords);
coords = (coords/dist * pow(dist, WARP_INTENSITY)) * 0.5 + 0.5;
coords = mix(cogl_tex_coord_in[0].st, coords, uProgress);
// Accumulate several random scratches. The color in the scratch map refers to the
// relative time when the respective part will become invisible. Therefore we can
// add a value to make the scratch appear later.
float scratchMap = 1.0;
for (int i=0; i<NUM_CLAWS; ++i) {
vec2 uv = getClawUV(coords, 1.0/CLAW_SIZE, SEED*(i+1));
float delay = i/NUM_CLAWS * MAX_SPAWN_TIME;
scratchMap = min(scratchMap, clamp(texture2D(uClawTexture, uv).r + delay, 0, 1));
}
// Get the window texture. We shift the texture lookup by the local derivative of
// the claw texture in order to mimic some folding distortion.
vec2 offset = vec2(dFdx(scratchMap), dFdy(scratchMap)) * uProgress * 0.5;
cogl_color_out = texture2D(uTexture, coords + offset);
// Hide scratched out parts.
cogl_color_out *= (scratchMap > uProgress ? 1 : 0);
// Add colorful flashes.
float flashIntensity = 1.0 / FLASH_INTENSITY * (scratchMap - uProgress) + 1;
if (flashIntensity < 0 || flashIntensity >= 1) {
flashIntensity = 0;
}
vec3 flashColor = vec3(${color.red / 255},
${color.green / 255},
${color.blue / 255}) * ${color.alpha / 255};
cogl_color_out.rgb += flashIntensity * mix(flashColor, vec3(0), uProgress);
// Fade out the remaining shards.
float fade = smoothstep(0, 1, 1 - clamp((uProgress - 1.0 + FF_TIME)/FF_TIME, 0, 1));
cogl_color_out *= fade;
// These are pretty useful for understanding how this works.
// cogl_color_out = vec4(vec3(flashIntensity), 1);
// cogl_color_out = vec4(vec3(scratchMap), 1);
}
`);
};
// This is overridden to bind the claw texture for drawing. Sadly, this seems to be
// impossible under GNOME 3.3x as this.get_pipeline() is not available. It was called
// get_target() back then but this is not wrapped in GJS.
// https://gitlab.gnome.org/GNOME/mutter/-/blob/gnome-3-36/clutter/clutter/clutter-offscreen-effect.c#L598
vfunc_paint_target(node, paint_context) {
const pipeline = this.get_pipeline();
pipeline.set_layer_texture(1, this._clawTexture.get_texture());
this.set_uniform_value('uClawTexture', 1);
super.vfunc_paint_target(node, paint_context);
}
});