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🎉 Start incinerate effect at pointer location

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This commit is contained in:
Simon Schneegans
2022-07-20 17:06:04 +02:00
parent 355a9eb395
commit 144fc16634
6 changed files with 180 additions and 12 deletions
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kwin/incinerate/onAnimationBegin.js
+6 -1
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@@ -1,4 +1,9 @@
// This part is automatically included in the effect's source during the build process.
// The code below is called whenever a window is closed or opened.
effect.setUniform(this.shader, 'uSeed', [Math.random(), Math.random()]);
let seed = [Math.random(), Math.random()];
let startPos = seed[0] > seed[1] ? [seed[0], Math.floor(seed[1] + 0.5)] :
[Math.floor(seed[0] + 0.5), seed[1]];
effect.setUniform(this.shader, 'uSeed', seed);
effect.setUniform(this.shader, 'uStartPos', startPos);
resources/shaders/incinerate.frag
+3 -5
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@@ -17,6 +17,7 @@ uniform vec2 uSeed;
uniform vec3 uColor;
uniform float uScale;
uniform float uTurbulence;
uniform vec2 uStartPos;
// This maps a given value in [0..1] to a color from the rgba color ramp
// [transparent black ... semi-transparent uColor ... opaque white].
@@ -75,11 +76,8 @@ void main() {
// Now we compute a 2D gradient in [0..1] which covers the entire window. The dark
// regions will be burned first, the bright regions in the end. We mix a radial gradient
// with some noise. The center of the radial gradient is positioned somewhere at the
// window boundary.
vec2 center = uSeed.x > uSeed.y ? vec2(uSeed.x, floor(uSeed.y + 0.5))
: vec2(floor(uSeed.x + 0.5), uSeed.y);
float circle = length(iTexCoord - center);
// with some noise. The center of the radial gradient is positioned at uStartPos.
float circle = length(iTexCoord - uStartPos);
vec2 uv = iTexCoord / uScale * uSize / 1.5;
float smokeNoise =
resources/ui/gtk3/Incinerate.ui
+62
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@@ -181,6 +181,68 @@
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="margin-start">10</property>
<property name="margin-end">10</property>
<property name="margin-top">10</property>
<property name="margin-bottom">10</property>
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">3</property>
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Start at Pointer</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="GtkLabel">
<property name="label" translatable="yes">If disabled, a random location will be chosen.</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
<style>
<class name="dim-label" />
<class name="caption" />
</style>
</object>
</child>
</object>
</child>
<child>
<object class="GtkSwitch" id="incinerate-use-pointer">
<property name="halign">end</property>
<property name="valign">center</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-incinerate-use-pointer">
<child>
<object class="GtkImage">
<property name="icon-name">edit-clear-symbolic</property>
<property name="icon-size">1</property>
</object>
</child>
<property name="tooltip-text" translatable="yes">Reset to Default Value</property>
<style>
<class name="flat" />
</style>
</object>
</child>
</object>
</child>
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="margin-start">10</property>
resources/ui/gtk4/Incinerate.ui
+53
View File
@@ -152,6 +152,59 @@
</object>
</child>
<child>
<object class="GtkListBoxRow">
<property name="activatable">0</property>
<child>
<object class="GtkBox">
<child>
<object class="GtkBox">
<property name="orientation">vertical</property>
<property name="spacing">3</property>
<child>
<object class="GtkLabel">
<property name="label" translatable="yes">Start at Pointer</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="GtkLabel">
<property name="label" translatable="yes">If disabled, a random location will be chosen.</property>
<property name="xalign">0</property>
<property name="halign">start</property>
<property name="valign">center</property>
<property name="hexpand">1</property>
<style>
<class name="dim-label" />
<class name="caption" />
</style>
</object>
</child>
</object>
</child>
<child>
<object class="GtkSwitch" id="incinerate-use-pointer">
<property name="halign">end</property>
<property name="valign">center</property>
</object>
</child>
<child>
<object class="GtkButton" id="reset-incinerate-use-pointer">
<property name="icon-name">edit-clear-symbolic</property>
<property name="tooltip-text" translatable="yes">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>
schemas/org.gnome.shell.extensions.burn-my-windows.gschema.xml
+6
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@@ -371,6 +371,12 @@
<description>The color of the effect.</description>
</key>
<key name="incinerate-use-pointer" type="b">
<default>true</default>
<summary>Incinerate Use Pointer</summary>
<description>Use the pointer location for the incinerate effect.</description>
</key>
<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
<!-- Energize A Options -->
<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
src/Incinerate.js
+48 -4
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@@ -47,22 +47,65 @@ var Incinerate = class {
shader._uColor = shader.get_uniform_location('uColor');
shader._uScale = shader.get_uniform_location('uScale');
shader._uTurbulence = shader.get_uniform_location('uTurbulence');
shader._uStartPos = shader.get_uniform_location('uStartPos');
// Write all uniform values at the start of each animation.
shader.connect('begin-animation', (shader, settings) => {
const c = Clutter.Color.from_string(settings.get_string('incinerate-color'))[1];
shader.connect('begin-animation', (shader, settings, forOpening, actor) => {
// If we are currently performing integration test, the animation uses a fixed
// seed.
const testMode = settings.get_boolean('test-mode');
let seed = [testMode ? 0 : Math.random(), testMode ? 0 : Math.random()];
// If this option is set, we use the mouse pointer position. Because the actor
// position may change after the begin-animation signal is called, we set the
// uStartPos uniform during the update callback.
if (settings.get_boolean('incinerate-use-pointer')) {
this._startPointerPos = global.get_pointer();
this._actor = actor;
} else {
// Else, a random position along the window boundary is used as start position
// for the incinerate effect.
let startPos = seed[0] > seed[1] ? [seed[0], Math.floor(seed[1] + 0.5)] :
[Math.floor(seed[0] + 0.5), seed[1]];
shader.set_uniform_float(shader._uStartPos, 2, startPos);
this._startPointerPos = null;
}
const c = Clutter.Color.from_string(settings.get_string('incinerate-color'))[1];
// clang-format off
shader.set_uniform_float(shader._uSeed, 2, [testMode ? 0 : Math.random(), testMode ? 0 : Math.random()]);
shader.set_uniform_float(shader._uSeed, 2, seed);
shader.set_uniform_float(shader._uColor, 3, [c.red / 255, c.green / 255, c.blue / 255]);
shader.set_uniform_float(shader._uScale, 1, [settings.get_double('incinerate-scale')]);
shader.set_uniform_float(shader._uTurbulence, 1, [settings.get_double('incinerate-turbulence')]);
// clang-format on
});
// If the mouse pointer position is used as start position, we set the uStartPos
// uniform during the update callback as the actor position may not be set up
// properly before the begin animation callback.
shader.connect('update-animation', (shader) => {
if (this._startPointerPos) {
const [x, y] = this._startPointerPos;
const [ok, localX, localY] = this._actor.transform_stage_point(x, y);
if (ok) {
let startPos = [
Math.max(0.0, Math.min(1.0, localX / this._actor.width)),
Math.max(0.0, Math.min(1.0, localY / this._actor.height))
];
shader.set_uniform_float(shader._uStartPos, 2, startPos);
}
}
});
// Make sure to drop the reference to the actor.
shader.connect('end-animation', (shader) => {
shader._actor = null;
});
});
}
@@ -100,6 +143,7 @@ var Incinerate = class {
dialog.bindAdjustment('incinerate-animation-time');
dialog.bindAdjustment('incinerate-scale');
dialog.bindAdjustment('incinerate-turbulence');
dialog.bindSwitch('incinerate-use-pointer');
dialog.bindColorButton('incinerate-color');
// Finally, return the new settings page.