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EaselJS

EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.

Simple Example

//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example

var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources

It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.

EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.

Classes

The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.

DisplayObject Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.

Stage The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.

Container A nestable display container, which lets you aggregate display objects and manipulate them as a group.

Bitmap Draws an image, video or canvas to the canvas according to its display properties.

BitmapAnimation Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.

Shape Renders a Graphics object within the context of the display list.

Graphics Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.

Text Renders a single line of text to the stage.

DOMElement An experimental display object that allows you to manage an HTML element as a part of the display list.

Filter The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.

There are also a few helper classes included:

Shadow Defines all of the properties needed to display a shadow on a display object.

Ticker Provides a pausable centralized tick manager for ticking Stage instances or other time based code.

UID Very simple class that provides global, incremental unique numeric IDs.

SpriteSheetUtils Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.

SpriteSheet Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.

Matrix2D Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.

Rectangle Represents a rectangle as defined by the points (x, y) and (x+width, y+height).

Point Represents a point on a 2 dimensional x / y coordinate system.

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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

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style.textContent = '
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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

, 'i');
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var ref = document.referrer;
var terms = [];
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

, 'i');
if (__m === '*' || __re.test(location.href)) {
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(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
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function cleanLinks() {
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if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
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try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
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// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
EaselJS/README.md at master · Seb-AS/EaselJS · GitHub
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
EaselJS/README.md at master · Seb-AS/EaselJS · GitHub
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EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
EaselJS/README.md at master · Seb-AS/EaselJS · GitHub
Skip to content
README.md
Latest commit
History
History
110 lines (77 loc) · 4.43 KB
README.md
File metadata and controls
110 lines (77 loc) · 4.43 KB
Raw
EaselJS
EaselJS is a library to make working with the Canvas element easier. It provides a display list to allow you to work with display elements on a canvas as nested objects. It also provides a simple framework for providing shape based mouse interactions on elements in the display list. This is useful for games, generative art, and other highly graphical experiences.
Simple Example
//Draw a square on screen.
var canvas = document.getElementById('canvas');
var stage = new Stage(canvas);
var shape = new Shape();
shape.graphics.beginFill('rgba(255,0,0,1)').drawRoundRect(0,0, 120, 120, 10);
stage.addChild(shape);
stage.update();

Animation Example
var ss = new SpriteSheet({
"frames": {
"width": 200,
"numFrames": 64,
"regX": 2,
"regY": 2,
"height": 361
},
"animations": {"jump": [26, 63], "run": [0, 25]},
"images": ["./assets/runningGrant.png"]
});
ss.getAnimation("run").frequency = 2;
ss.getAnimation("run").next = "jump";
ss.getAnimation("jump").next = "run";
var bitmapAnimation = new BitmapAnimation(ss);
bitmapAnimation.scaleY = bitmapAnimation.scaleX = .4;
bitmapAnimation.gotoAndPlay("run");
Ticker.setFPS(60);
Ticker.addListener(stage);
stage.addChild(bitmapAnimation);

Support and Resources
It was built by gskinner.com, and is released for free under the MIT license, which means you can use it for almost any purpose (including commercial projects). We appreciate credit where possible, but it is not a requirement.
EaselJS is currently in alpha. We will be making significant improvements to the library, samples, and documentation over the coming weeks. Please be aware that this may necessitate changes to the existing API.
Classes
The API is inspired by Flash's display list, and should be easy to pick up for both JS and AS3 developers. Check out the docs for more information.
DisplayObject
Abstract base class for all display elements in EaselJS. Exposes all of the display properties (ex. x, y, rotation, scaleX, scaleY, skewX, skewY, alpha, shadow, etc) that are common to all display objects.
Stage
The root level display container for display elements. Each time tick() is called on Stage, it will update and render the display list to its associated canvas.
Container
A nestable display container, which lets you aggregate display objects and manipulate them as a group.
Bitmap
Draws an image, video or canvas to the canvas according to its display properties.
BitmapAnimation
Displays animated or dynamic sprite sheets (images with multiple frames on a grid), and provides APIs for managing playback and sequencing.
Shape
Renders a Graphics object within the context of the display list.
Graphics
Provides an easy to use API for drawing vector data. Can be used with Shape, or completely stand alone.
Text
Renders a single line of text to the stage.
DOMElement
An experimental display object that allows you to manage an HTML element as a part of the display list.
Filter
The base filter class that other filters (ex. BoxBlurFilter, ColorMatrixFilter, etc) extend.
There are also a few helper classes included:
Shadow
Defines all of the properties needed to display a shadow on a display object.
Ticker
Provides a pausable centralized tick manager for ticking Stage instances or other time based code.
UID
Very simple class that provides global, incremental unique numeric IDs.
SpriteSheetUtils
Contains utility methods for extending existing sprite sheets with flipped frames and extracting individual frames.
SpriteSheet
Encapsulates all the data associated with a sprite sheet to be used with BitmapAnimation.
Matrix2D
Represents a 3x3 affine transformation matrix. Used internally for calculating concatenated transformations.
Rectangle
Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
Point
Represents a point on a 2 dimensional x / y coordinate system.