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<title>src/pixi/extras/TilingSprite.js - Pixi.JS</title>
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<h1 class="file-heading">File: src/pixi/extras/TilingSprite.js</h1>
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<pre class="code prettyprint linenums">
/**
* @author Mat Groves http://matgroves.com/
*/
/**
* A tiling sprite is a fast way of rendering a tiling image
*
* @class TilingSprite
* @extends DisplayObjectContainer
* @constructor
* @param texture {Texture} the texture of the tiling sprite
* @param width {Number} the width of the tiling sprite
* @param height {Number} the height of the tiling sprite
*/
PIXI.TilingSprite = function(texture, width, height)
{
PIXI.Sprite.call( this, texture);
this.width = width || 100;
this.height = height || 100;
texture.baseTexture._powerOf2 = true;
/**
* The scaling of the image that is being tiled
*
* @property tileScale
* @type Point
*/
this.tileScale = new PIXI.Point(1,1);
/**
* The offset position of the image that is being tiled
*
* @property tilePosition
* @type Point
*/
this.tilePosition = new PIXI.Point(0,0);
this.renderable = true;
this.tint = 0xFFFFFF;
this.blendMode = PIXI.blendModes.NORMAL;
};
// constructor
PIXI.TilingSprite.prototype = Object.create( PIXI.Sprite.prototype );
PIXI.TilingSprite.prototype.constructor = PIXI.TilingSprite;
/**
* The width of the sprite, setting this will actually modify the scale to acheive the value set
*
* @property width
* @type Number
*/
Object.defineProperty(PIXI.TilingSprite.prototype, 'width', {
get: function() {
return this._width;
},
set: function(value) {
this._width = value;
}
});
/**
* The height of the TilingSprite, setting this will actually modify the scale to acheive the value set
*
* @property height
* @type Number
*/
Object.defineProperty(PIXI.TilingSprite.prototype, 'height', {
get: function() {
return this._height;
},
set: function(value) {
this._height = value;
}
});
PIXI.TilingSprite.prototype.onTextureUpdate = function()
{
// so if _width is 0 then width was not set..
//if(this._width)this.scale.x = this._width / this.texture.frame.width;
//if(this._height)this.scale.y = this._height / this.texture.frame.height;
// alert(this._width)
this.updateFrame = true;
};
PIXI.TilingSprite.prototype._renderWebGL = function(renderSession)
{
if(this.visible === false || this.alpha === 0)return;
var i,j;
if(this.mask || this.filters)
{
if(this.mask)
{
renderSession.spriteBatch.stop();
renderSession.maskManager.pushMask(this.mask, renderSession.projection);
renderSession.spriteBatch.start();
}
if(this.filters)
{
renderSession.spriteBatch.flush();
renderSession.filterManager.pushFilter(this._filterBlock);
}
renderSession.spriteBatch.renderTilingSprite(this);
// simple render children!
for(i=0,j=this.children.length; i<j; i++)
{
this.children[i]._renderWebGL(renderSession);
}
renderSession.spriteBatch.stop();
if(this.filters)renderSession.filterManager.popFilter();
if(this.mask)renderSession.maskManager.popMask(renderSession.projection);
renderSession.spriteBatch.start();
}
else
{
renderSession.spriteBatch.renderTilingSprite(this);
// simple render children!
for(i=0,j=this.children.length; i<j; i++)
{
this.children[i]._renderWebGL(renderSession);
}
}
};
PIXI.TilingSprite.prototype._renderCanvas = function(renderSession)
{
if(this.visible === false || this.alpha === 0)return;
var context = renderSession.context;
context.globalAlpha = this.worldAlpha;
if(!this.__tilePattern)
this.__tilePattern = context.createPattern(this.texture.baseTexture.source, 'repeat');
// check blend mode
if(this.blendMode !== renderSession.currentBlendMode)
{
renderSession.currentBlendMode = this.blendMode;
context.globalCompositeOperation = PIXI.blendModesCanvas[renderSession.currentBlendMode];
}
context.beginPath();
var tilePosition = this.tilePosition;
var tileScale = this.tileScale;
// offset
context.scale(tileScale.x,tileScale.y);
context.translate(tilePosition.x, tilePosition.y);
context.fillStyle = this.__tilePattern;
context.fillRect(-tilePosition.x,-tilePosition.y,this.width / tileScale.x, this.height / tileScale.y);
context.scale(1/tileScale.x, 1/tileScale.y);
context.translate(-tilePosition.x, -tilePosition.y);
context.closePath();
};
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