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CCSprite.js
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/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2011 Zynga Inc.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
/**
* cc.Sprite invalid index on the cc.SpriteBatchNode
* @constant
* @type Number
*/
cc.SPRITE_INDEX_NOT_INITIALIZED = -1;
/**
* generate texture's cache for texture tint
* @function
* @param {HTMLImageElement} texture
* @return {Array}
*/
cc.generateTextureCacheForColor = function (texture) {
if (texture.hasOwnProperty('channelCache')) {
return texture.channelCache;
}
var textureCache = [
document.createElement("canvas"),
document.createElement("canvas"),
document.createElement("canvas"),
document.createElement("canvas")
];
function renderToCache() {
var ref = cc.generateTextureCacheForColor;
var w = texture.width;
var h = texture.height;
textureCache[0].width = w;
textureCache[0].height = h;
textureCache[1].width = w;
textureCache[1].height = h;
textureCache[2].width = w;
textureCache[2].height = h;
textureCache[3].width = w;
textureCache[3].height = h;
ref.canvas.width = w;
ref.canvas.height = h;
var ctx = ref.canvas.getContext("2d");
ctx.drawImage(texture, 0, 0);
ref.tempCanvas.width = w;
ref.tempCanvas.height = h;
var pixels = ctx.getImageData(0, 0, w, h).data;
for (var rgbI = 0; rgbI < 4; rgbI++) {
var cacheCtx = textureCache[rgbI].getContext('2d');
cacheCtx.getImageData(0, 0, w, h).data;
ref.tempCtx.drawImage(texture, 0, 0);
var to = ref.tempCtx.getImageData(0, 0, w, h);
var toData = to.data;
for (var i = 0; i < pixels.length; i += 4) {
toData[i ] = (rgbI === 0) ? pixels[i ] : 0;
toData[i + 1] = (rgbI === 1) ? pixels[i + 1] : 0;
toData[i + 2] = (rgbI === 2) ? pixels[i + 2] : 0;
toData[i + 3] = pixels[i + 3];
}
cacheCtx.putImageData(to, 0, 0);
}
texture.onload = null;
}
try {
renderToCache();
} catch (e) {
texture.onload = renderToCache;
}
texture.channelCache = textureCache;
return textureCache;
};
cc.generateTextureCacheForColor.canvas = document.createElement('canvas');
cc.generateTextureCacheForColor.tempCanvas = document.createElement('canvas');
cc.generateTextureCacheForColor.tempCtx = cc.generateTextureCacheForColor.tempCanvas.getContext('2d');
/**
* generate tinted texture
* source-in: Where source and destination overlaps and both are opaque, the source is displayed.
* Everywhere else transparency is displayed.
* @function
* @param {HTMLImageElement} texture
* @param {cc.Color3B|cc.Color4F} color
* @param {cc.Rect} rect
* @return {HTMLCanvasElement}
*/
cc.generateTintImage2 = function (texture, color, rect) {
if (!rect) {
rect = cc.rect(0, 0, texture.width, texture.height);
rect = cc.RECT_PIXELS_TO_POINTS(rect);
}
var selColor;
if (color instanceof cc.Color4F) {
selColor = cc.c4b(color.r * 255, color.g * 255, color.b * 255, color.a * 255);
} else {
selColor = cc.c4b(color.r, color.g, color.b, 50);//color;
}
var buff = document.createElement("canvas");
var ctx = buff.getContext("2d");
if (buff.width != rect.width) buff.width = rect.width;
if (buff.height != rect.height) buff.height = rect.height;
ctx.save();
ctx.drawImage(texture, rect.x, rect.y, rect.width, rect.height, 0, 0, rect.width, rect.height);
ctx.globalCompositeOperation = "source-in";
ctx.globalAlpha = selColor.a / 255.0;
ctx.fillStyle = "rgb(" + selColor.r + "," + selColor.g + "," + selColor.b + ")";
ctx.fillRect(0, 0, rect.width, rect.height);
ctx.restore();
return buff;
};
/**
* generate tinted texture
* lighter: The source and destination colors are added to each other, resulting in brighter colors,
* moving towards color values of 1 (maximum brightness for that color).
* @function
* @param {HTMLImageElement} texture
* @param {Array} tintedImgCache
* @param {cc.Color3B|cc.Color4F} color
* @param {cc.Rect} rect
* @param {HTMLCanvasElement} [renderCanvas]
* @return {HTMLCanvasElement}
*/
cc.generateTintImage = function (texture, tintedImgCache, color, rect, renderCanvas) {
if (!rect)
rect = cc.rect(0, 0, texture.width, texture.height);
var selColor;
if (color.a == null) {
// Optimization for the particle system which mainly uses c4f colors
selColor = cc.c4f(color.r / 255.0, color.g / 255.0, color.b / 255, 1);
} else {
selColor = color;
}
var w = Math.min(rect.width, tintedImgCache[0].width);
var h = Math.min(rect.height, tintedImgCache[0].height);
var buff = renderCanvas;
var ctx;
// Create a new buffer if required
if (!buff) {
buff = document.createElement("canvas");
buff.width = w;
buff.height = h;
ctx = buff.getContext("2d");
} else {
ctx = buff.getContext("2d");
ctx.clearRect(0, 0, w, h);
}
ctx.save();
ctx.globalCompositeOperation = 'lighter';
// Make sure to keep the renderCanvas alpha in mind in case of overdraw
var a = ctx.globalAlpha;
if (selColor.r > 0) {
ctx.globalAlpha = selColor.r * a;
ctx.drawImage(tintedImgCache[0], rect.x, rect.y, w, h, 0, 0, w, h);
}
if (selColor.g > 0) {
ctx.globalAlpha = selColor.g * a;
ctx.drawImage(tintedImgCache[1], rect.x, rect.y, w, h, 0, 0, w, h);
}
if (selColor.b > 0) {
ctx.globalAlpha = selColor.b * a;
ctx.drawImage(tintedImgCache[2], rect.x, rect.y, w, h, 0, 0, w, h);
}
if ((selColor.r === 0) && (selColor.g === 0) && (selColor.b === 0)) {
ctx.globalAlpha = a;
ctx.drawImage(tintedImgCache[3], rect.x, rect.y, w, h, 0, 0, w, h);
}
ctx.restore();
return buff;
};
cc.cutRotateImageToCanvas = function (texture, rect) {
if (!texture)
return null;
if (!rect)
return texture;
var nCanvas = document.createElement("canvas");
nCanvas.width = rect.width;
nCanvas.height = rect.height;
var ctx = nCanvas.getContext("2d");
ctx.translate(nCanvas.width / 2, nCanvas.height / 2);
ctx.rotate(-1.5707963267948966);
ctx.drawImage(texture, rect.x, rect.y, rect.height, rect.width, -rect.height / 2, -rect.width / 2, rect.height, rect.width);
return nCanvas;
};
/**
* a Values object for transform
* @Class
* @Construct
* @param {cc.Point} pos position x and y
* @param {cc.Point} scale scale x and y
* @param {Number} rotation
* @param {cc.Point} skew skew x and y
* @param {cc.Point} ap anchor point in pixels
* @param {Boolean} visible
*/
cc.TransformValues = function (pos, scale, rotation, skew, ap, visible) {
this.pos = pos; // position x and y
this.scale = scale; // scale x and y
this.rotation = rotation;
this.skew = skew; // skew x and y
this.ap = ap; // anchor point in pixels
this.visible = visible;
};
cc.RENDER_IN_SUBPIXEL = function (A) {
return (0 | A);
};
if (cc.SPRITEBATCHNODE_RENDER_SUBPIXEL) {
cc.RENDER_IN_SUBPIXEL = function (A) {
return A;
};
}
/**
* <p>cc.Sprite is a 2d image ( http://en.wikipedia.org/wiki/Sprite_(computer_graphics) ) <br/>
*
* cc.Sprite can be created with an image, or with a sub-rectangle of an image. <br/>
*
* If the parent or any of its ancestors is a cc.SpriteBatchNode then the following features/limitations are valid <br/>
* - Features when the parent is a cc.BatchNode: <br/>
* - MUCH faster rendering, specially if the cc.SpriteBatchNode has many children. All the children will be drawn in a single batch. <br/>
*
* - Limitations <br/>
* - Camera is not supported yet (eg: CCOrbitCamera action doesn't work) <br/>
* - GridBase actions are not supported (eg: CCLens, CCRipple, CCTwirl) <br/>
* - The Alias/Antialias property belongs to CCSpriteBatchNode, so you can't individually set the aliased property. <br/>
* - The Blending function property belongs to CCSpriteBatchNode, so you can't individually set the blending function property. <br/>
* - Parallax scroller is not supported, but can be simulated with a "proxy" sprite. <br/>
*
* If the parent is an standard cc.Node, then cc.Sprite behaves like any other cc.Node: <br/>
* - It supports blending functions <br/>
* - It supports aliasing / antialiasing <br/>
* - But the rendering will be slower: 1 draw per children. <br/>
*
* The default anchorPoint in cc.Sprite is (0.5, 0.5). </p>
* @class
* @extends cc.NodeRGBA
*
* @example
* var aSprite = new cc.Sprite();
* aSprite.initWithFile("HelloHTML5World.png",cc.rect(0,0,480,320));
*/
cc.Sprite = cc.NodeRGBA.extend(/** @lends cc.Sprite# */{
RGBAProtocol:true,
//
// Data used when the sprite is rendered using a CCSpriteSheet
//
_textureAtlas:null, //cc.SpriteBatchNode texture atlas
_atlasIndex:0,
_batchNode:null,
_dirty:false, //Whether the sprite needs to be updated
_recursiveDirty:null, //Whether all of the sprite's children needs to be updated
_hasChildren:null, //Whether the sprite contains children
_shouldBeHidden:false, //should not be drawn because one of the ancestors is not visible
_transformToBatch:null,
//
// Data used when the sprite is self-rendered
//
_blendFunc:null, //It's required for CCTextureProtocol inheritance
_texture:null, //cc.Texture2D object that is used to render the sprite
//
// Shared data
//
// texture
_rect:null, //Retangle of cc.Texture2D
_rectRotated:false, //Whether the texture is rotated
// Offset Position (used by Zwoptex)
_offsetPosition:null, // absolute
_unflippedOffsetPositionFromCenter:null,
_opacityModifyRGB:false,
// image is flipped
_flippedX:false, //Whether the sprite is flipped horizontally or not.
_flippedY:false, //Whether the sprite is flipped vertically or not.
_textureLoaded:false,
_loadedEventListeners: null,
_newTextureWhenChangeColor: null, //hack property for LabelBMFont
textureLoaded:function(){
return this._textureLoaded;
},
addLoadedEventListener:function(callback, target){
this._loadedEventListeners.push({eventCallback:callback, eventTarget:target});
},
_callLoadedEventCallbacks:function(){
var locListeners = this._loadedEventListeners;
for(var i = 0, len = locListeners.length; i < len; i++){
var selCallback = locListeners[i];
selCallback.eventCallback.call(selCallback.eventTarget, this);
}
locListeners.length = 0;
},
/**
* Whether or not the Sprite needs to be updated in the Atlas
* @return {Boolean} true if the sprite needs to be updated in the Atlas, false otherwise.
*/
isDirty:function () {
return this._dirty;
},
/**
* Makes the Sprite to be updated in the Atlas.
* @param {Boolean} bDirty
*/
setDirty:function (bDirty) {
this._dirty = bDirty;
},
/**
* Returns whether or not the texture rectangle is rotated.
* @return {Boolean}
*/
isTextureRectRotated:function () {
return this._rectRotated;
},
/**
* Returns the index used on the TextureAtlas.
* @return {Number}
*/
getAtlasIndex:function () {
return this._atlasIndex;
},
/**
* Set the index used on the TextureAtlas.
* @warning Don't modify this value unless you know what you are doing
* @param {Number} atlasIndex
*/
setAtlasIndex:function (atlasIndex) {
this._atlasIndex = atlasIndex;
},
/**
* returns the rect of the cc.Sprite in points
* @return {cc.Rect}
*/
getTextureRect:function () {
return cc.rect(this._rect.x, this._rect.y, this._rect.width, this._rect.height);
},
/**
* Gets the weak reference of the cc.TextureAtlas when the sprite is rendered using via cc.SpriteBatchNode
* @return {cc.TextureAtlas}
*/
getTextureAtlas:function () {
return this._textureAtlas;
},
/**
* Sets the weak reference of the cc.TextureAtlas when the sprite is rendered using via cc.SpriteBatchNode
* @param {cc.TextureAtlas} textureAtlas
*/
setTextureAtlas:function (textureAtlas) {
this._textureAtlas = textureAtlas;
},
/**
* return the SpriteBatchNode of the cc.Sprite
* @return {cc.SpriteBatchNode}
*/
getSpriteBatchNode:function () {
return this._batchNode;
},
/**
* set the SpriteBatchNode of the cc.Sprite
* @param {cc.SpriteBatchNode} spriteBatchNode
*/
setSpriteBatchNode:function (spriteBatchNode) {
this._batchNode = spriteBatchNode;
},
/**
* Gets the offset position of the sprite. Calculated automatically by editors like Zwoptex.
* @return {cc.Point}
*/
getOffsetPosition:function () {
return cc.p(this._offsetPosition.x, this._offsetPosition.y);
},
/**
* conforms to cc.TextureProtocol protocol
* @return {cc.BlendFunc}
*/
getBlendFunc:function () {
return this._blendFunc;
},
/**
* Initializes a sprite with an SpriteFrame. The texture and rect in SpriteFrame will be applied on this sprite
* @param {cc.SpriteFrame} spriteFrame A CCSpriteFrame object. It should includes a valid texture and a rect
* @return {Boolean} true if the sprite is initialized properly, false otherwise.
* @example
* var spriteFrame = cc.SpriteFrameCache.getInstance().getSpriteFrame("grossini_dance_01.png");
* var sprite = new cc.Sprite();
* sprite.initWithSpriteFrame(spriteFrame);
*/
initWithSpriteFrame:function (spriteFrame) {
cc.Assert(spriteFrame != null, "");
if(!spriteFrame.textureLoaded()){
//add event listener
this._textureLoaded = false;
spriteFrame.addLoadedEventListener(this._spriteFrameLoadedCallback, this);
}
var ret = this.initWithTexture(spriteFrame.getTexture(), spriteFrame.getRect());
this.setDisplayFrame(spriteFrame);
return ret;
},
_spriteFrameLoadedCallback:null,
_spriteFrameLoadedCallbackForWebGL:function(spriteFrame){
this.setNodeDirty();
this.setTextureRect(spriteFrame.getRect(), spriteFrame.isRotated(), spriteFrame.getOriginalSize());
this._callLoadedEventCallbacks();
},
_spriteFrameLoadedCallbackForCanvas:function(spriteFrame){
this.setNodeDirty();
this.setTextureRect(spriteFrame.getRect(), spriteFrame.isRotated(), spriteFrame.getOriginalSize());
var curColor = this.getColor();
if (curColor.r !== 255 || curColor.g !== 255 || curColor.b !== 255)
this._changeTextureColor();
this._callLoadedEventCallbacks();
},
/**
* Initializes a sprite with a sprite frame name. <br/>
* A cc.SpriteFrame will be fetched from the cc.SpriteFrameCache by name. <br/>
* If the cc.SpriteFrame doesn't exist it will raise an exception. <br/>
* @param {String} spriteFrameName A key string that can fected a volid cc.SpriteFrame from cc.SpriteFrameCache
* @return {Boolean} true if the sprite is initialized properly, false otherwise.
* @example
* var sprite = new cc.Sprite();
* sprite.initWithSpriteFrameName("grossini_dance_01.png");
*/
initWithSpriteFrameName:function (spriteFrameName) {
cc.Assert(spriteFrameName != null, "");
var frame = cc.SpriteFrameCache.getInstance().getSpriteFrame(spriteFrameName);
return this.initWithSpriteFrame(frame);
},
/**
* tell the sprite to use batch node render.
* @param {cc.SpriteBatchNode} batchNode
*/
useBatchNode:function (batchNode) {
this._textureAtlas = batchNode.getTextureAtlas(); // weak ref
this._batchNode = batchNode;
},
/**
* <p>
* set the vertex rect.<br/>
* It will be called internally by setTextureRect. <br/>
* Useful if you want to create 2x images from SD images in Retina Display. <br/>
* Do not call it manually. Use setTextureRect instead. <br/>
* (override this method to generate "double scale" sprites)
* </p>
* @param {cc.Rect} rect
*/
setVertexRect:function (rect) {
this._rect.x = rect.x;
this._rect.y = rect.y;
this._rect.width = rect.width;
this._rect.height = rect.height;
},
sortAllChildren:function () {
if (this._reorderChildDirty) {
var j, tempItem, locChildren = this._children, tempChild;
for (var i = 1; i < locChildren.length; i++) {
tempItem = locChildren[i];
j = i - 1;
tempChild = locChildren[j];
//continue moving element downwards while zOrder is smaller or when zOrder is the same but mutatedIndex is smaller
while (j >= 0 && ( tempItem._zOrder < tempChild._zOrder ||
( tempItem._zOrder == tempChild._zOrder && tempItem._orderOfArrival < tempChild._orderOfArrival ))) {
locChildren[j + 1] = tempChild;
j = j - 1;
tempChild = locChildren[j];
}
locChildren[j + 1] = tempItem;
}
if (this._batchNode) {
this._arrayMakeObjectsPerformSelector(locChildren, cc.Node.StateCallbackType.sortAllChildren);
}
this._reorderChildDirty = false;
}
},
/**
* Reorders a child according to a new z value. (override cc.Node )
* @param {cc.Node} child
* @param {Number} zOrder
* @override
*/
reorderChild:function (child, zOrder) {
cc.Assert(child != null, "child is null");
cc.Assert(this._children.indexOf(child) > -1, "this child is not in children list");
if (zOrder === child.getZOrder())
return;
if (this._batchNode && !this._reorderChildDirty) {
this._setReorderChildDirtyRecursively();
this._batchNode.reorderBatch(true);
}
cc.Node.prototype.reorderChild.call(this, child, zOrder);
},
/**
* Removes a child from the sprite. (override cc.Node )
* @param child
* @param cleanup whether or not cleanup all running actions
* @override
*/
removeChild:function (child, cleanup) {
if (this._batchNode)
this._batchNode.removeSpriteFromAtlas(child);
cc.Node.prototype.removeChild.call(this, child, cleanup);
},
/**
* Removes all children from the container (override cc.Node )
* @param cleanup whether or not cleanup all running actions
* @override
*/
removeAllChildren:function (cleanup) {
var locChildren = this._children, locBatchNode = this._batchNode;
if (locBatchNode && locChildren != null) {
for (var i = 0, len = locChildren.length; i < len; i++)
locBatchNode.removeSpriteFromAtlas(locChildren[i]);
}
cc.Node.prototype.removeAllChildren.call(this, cleanup);
this._hasChildren = false;
},
//
// cc.Node property overloads
//
/**
* set Recursively is or isn't Dirty
* used only when parent is cc.SpriteBatchNode
* @param {Boolean} value
*/
setDirtyRecursively:function (value) {
this._recursiveDirty = value;
this.setDirty(value);
// recursively set dirty
var locChildren = this._children;
if (locChildren != null) {
for (var i = 0; i < locChildren.length; i++) {
if (locChildren[i] instanceof cc.Sprite)
locChildren[i].setDirtyRecursively(true);
}
}
},
/**
* HACK: optimization
*/
SET_DIRTY_RECURSIVELY:function () {
if (this._batchNode && !this._recursiveDirty) {
this._recursiveDirty = true;
this._dirty = true;
if (this._hasChildren)
this.setDirtyRecursively(true);
}
},
/**
* position setter (override cc.Node )
* @param {cc.Point} pos
* @override
*/
setPosition:function (pos) {
if (arguments.length >= 2)
cc.Node.prototype.setPosition.call(this, pos, arguments[1]);
else
cc.Node.prototype.setPosition.call(this, pos);
this.SET_DIRTY_RECURSIVELY();
},
/**
* Rotation setter (override cc.Node )
* @param {Number} rotation
* @override
*/
setRotation:function (rotation) {
cc.Node.prototype.setRotation.call(this, rotation);
this.SET_DIRTY_RECURSIVELY();
},
setRotationX:function (rotationX) {
cc.Node.prototype.setRotationX.call(this, rotationX);
this.SET_DIRTY_RECURSIVELY();
},
setRotationY:function (rotationY) {
cc.Node.prototype.setRotationY.call(this, rotationY);
this.SET_DIRTY_RECURSIVELY();
},
/**
* SkewX setter (override cc.Node )
* @param {Number} sx SkewX value
* @override
*/
setSkewX:function (sx) {
cc.Node.prototype.setSkewX.call(this, sx);
this.SET_DIRTY_RECURSIVELY();
},
/**
* SkewY setter (override cc.Node )
* @param {Number} sy SkewY value
* @override
*/
setSkewY:function (sy) {
cc.Node.prototype.setSkewY.call(this, sy);
this.SET_DIRTY_RECURSIVELY();
},
/**
* ScaleX setter (override cc.Node )
* @param {Number} scaleX
* @override
*/
setScaleX:function (scaleX) {
cc.Node.prototype.setScaleX.call(this, scaleX);
this.SET_DIRTY_RECURSIVELY();
},
/**
* ScaleY setter (override cc.Node )
* @param {Number} scaleY
* @override
*/
setScaleY:function (scaleY) {
cc.Node.prototype.setScaleY.call(this, scaleY);
this.SET_DIRTY_RECURSIVELY();
},
/**
* <p>The scale factor of the node. 1.0 is the default scale factor. <br/>
* It modifies the X and Y scale at the same time. (override cc.Node ) <p/>
* @param {Number} scale
* @param {Number|null} [scaleY=]
* @override
*/
setScale:function (scale, scaleY) {
cc.Node.prototype.setScale.call(this, scale, scaleY);
this.SET_DIRTY_RECURSIVELY();
},
/**
* VertexZ setter (override cc.Node )
* @param {Number} vertexZ
* @override
*/
setVertexZ:function (vertexZ) {
cc.Node.prototype.setVertexZ.call(this, vertexZ);
this.SET_DIRTY_RECURSIVELY();
},
/**
* AnchorPoint setter (override cc.Node )
* @param {cc.Point} anchor
* @override
*/
setAnchorPoint:function (anchor) {
cc.Node.prototype.setAnchorPoint.call(this, anchor);
this.SET_DIRTY_RECURSIVELY();
},
/**
* visible setter (override cc.Node )
* @param {Boolean} visible
* @override
*/
setVisible:function (visible) {
cc.Node.prototype.setVisible.call(this, visible);
this.SET_DIRTY_RECURSIVELY();
},
/**
* IsRelativeAnchorPoint setter (override cc.Node )
* @param {Boolean} relative
* @override
*/
ignoreAnchorPointForPosition:function (relative) {
cc.Assert(!this._batchNode, "ignoreAnchorPointForPosition is invalid in cc.Sprite");
cc.Node.prototype.ignoreAnchorPointForPosition.call(this, relative);
},
/**
* Sets whether the sprite should be flipped horizontally or not.
* @param {Boolean} flippedX true if the sprite should be flipped horizontally, false otherwise.
*/
setFlippedX:function (flippedX) {
if (this._flippedX != flippedX) {
this._flippedX = flippedX;
this.setTextureRect(this._rect, this._rectRotated, this._contentSize);
this.setNodeDirty();
}
},
/**
* Sets whether the sprite should be flipped vertically or not.
* @param {Boolean} flippedY true if the sprite should be flipped vertically, false otherwise.
*/
setFlippedY:function (flippedY) {
if (this._flippedY != flippedY) {
this._flippedY = flippedY;
this.setTextureRect(this._rect, this._rectRotated, this._contentSize);
this.setNodeDirty();
}
},
/**
* <p>
* Returns the flag which indicates whether the sprite is flipped horizontally or not. <br/>
* <br/>
* It only flips the texture of the sprite, and not the texture of the sprite's children. <br/>
* Also, flipping the texture doesn't alter the anchorPoint. <br/>
* If you want to flip the anchorPoint too, and/or to flip the children too use: <br/>
* sprite->setScaleX(sprite->getScaleX() * -1); <p/>
* @return {Boolean} true if the sprite is flipped horizaontally, false otherwise.
*/
isFlippedX:function () {
return this._flippedX;
},
/**
* <p>
* Return the flag which indicates whether the sprite is flipped vertically or not. <br/>
* <br/>
* It only flips the texture of the sprite, and not the texture of the sprite's children. <br/>
* Also, flipping the texture doesn't alter the anchorPoint. <br/>
* If you want to flip the anchorPoint too, and/or to flip the children too use: <br/>
* sprite->setScaleY(sprite->getScaleY() * -1); <p/>
* @return {Boolean} true if the sprite is flipped vertically, flase otherwise.
*/
isFlippedY:function () {
return this._flippedY;
},
//
// RGBA protocol
//
/**
* opacity: conforms to CCRGBAProtocol protocol
* @param {Boolean} modify
*/
setOpacityModifyRGB:null,
_setOpacityModifyRGBForWebGL: function (modify) {
if (this._opacityModifyRGB !== modify) {
this._opacityModifyRGB = modify;
this.updateColor();
}
},
_setOpacityModifyRGBForCanvas: function (modify) {
if (this._opacityModifyRGB !== modify) {
this._opacityModifyRGB = modify;
this.setNodeDirty();
}
},
/**
* return IsOpacityModifyRGB value
* @return {Boolean}
*/
isOpacityModifyRGB:function () {
return this._opacityModifyRGB;
},
updateDisplayedOpacity: null,
_updateDisplayedOpacityForWebGL:function (parentOpacity) {
cc.NodeRGBA.prototype.updateDisplayedOpacity.call(this, parentOpacity);
this.updateColor();
},
_updateDisplayedOpacityForCanvas:function (parentOpacity) {
cc.NodeRGBA.prototype.updateDisplayedOpacity.call(this, parentOpacity);
this._changeTextureColor();
this.setNodeDirty();
},
// Animation
/**
* changes the display frame with animation name and index.<br/>
* The animation name will be get from the CCAnimationCache
* @param animationName
* @param frameIndex
*/
setDisplayFrameWithAnimationName:function (animationName, frameIndex) {
cc.Assert(animationName, "cc.Sprite#setDisplayFrameWithAnimationName. animationName must not be null");
var cache = cc.AnimationCache.getInstance().getAnimation(animationName);
cc.Assert(cache, "cc.Sprite#setDisplayFrameWithAnimationName: Frame not found");
var animFrame = cache.getFrames()[frameIndex];
cc.Assert(animFrame, "cc.Sprite#setDisplayFrame. Invalid frame");
this.setDisplayFrame(animFrame.getSpriteFrame());
},
/**
* Returns the batch node object if this sprite is rendered by cc.SpriteBatchNode
* @returns {cc.SpriteBatchNode|null} The cc.SpriteBatchNode object if this sprite is rendered by cc.SpriteBatchNode, null if the sprite isn't used batch node.
*/
getBatchNode:function () {
return this._batchNode;
},
_setReorderChildDirtyRecursively:function () {
//only set parents flag the first time
if (!this._reorderChildDirty) {
this._reorderChildDirty = true;
var pNode = this._parent;
while (pNode && pNode != this._batchNode) {
pNode._setReorderChildDirtyRecursively();
pNode = pNode.getParent();
}
}
},
// CCTextureProtocol
getTexture:function () {
return this._texture;
},
_quad:null, // vertex coords, texture coords and color info
_quadWebBuffer:null,
_quadDirty:false,
_colorized:false,
_isLighterMode:false,
_originalTexture:null,
/**
* Constructor
* @param {String|cc.SpriteFrame|cc.SpriteBatchNode|HTMLImageElement|cc.Texture2D} fileName sprite construct parameter
*/
ctor: null,
_ctorForWebGL: function (fileName) {
cc.NodeRGBA.prototype.ctor.call(this);
this._shouldBeHidden = false;
this._offsetPosition = cc.p(0, 0);
this._unflippedOffsetPositionFromCenter = cc.p(0, 0);
this._blendFunc = {src: cc.BLEND_SRC, dst: cc.BLEND_DST};
this._rect = cc.rect(0,0,0,0);
this._quad = new cc.V3F_C4B_T2F_Quad();
this._quadWebBuffer = cc.renderContext.createBuffer();
this._quadDirty = true;
this._textureLoaded = true;
this._loadedEventListeners = [];
if (fileName) {
if (typeof(fileName) === "string") {
var frame = cc.SpriteFrameCache.getInstance().getSpriteFrame(fileName);
this.initWithSpriteFrame(frame);
} else if (typeof(fileName) === "object") {
if (fileName instanceof cc.SpriteFrame) {
this.initWithSpriteFrame(fileName);
} else if ((fileName instanceof HTMLImageElement) || (fileName instanceof HTMLCanvasElement)) {
var texture2d = new cc.Texture2D();
texture2d.initWithElement(fileName);
texture2d.handleLoadedTexture();
this.initWithTexture(texture2d);
} else if (fileName instanceof cc.Texture2D) {
this.initWithTexture(fileName);
}
}
}
},
_ctorForCanvas: function (fileName) {
cc.NodeRGBA.prototype.ctor.call(this);
this._shouldBeHidden = false;
this._offsetPosition = cc.p(0, 0);
this._unflippedOffsetPositionFromCenter = cc.p(0, 0);
this._blendFunc = {src: cc.BLEND_SRC, dst: cc.BLEND_DST};
this._rect = cc.rect(0,0,0,0);
this._newTextureWhenChangeColor = false;
this._textureLoaded = true;
this._loadedEventListeners = [];
if (fileName) {
if (typeof(fileName) === "string") {
var frame = cc.SpriteFrameCache.getInstance().getSpriteFrame(fileName);
this.initWithSpriteFrame(frame);
} else if (typeof(fileName) === "object") {
if (fileName instanceof cc.SpriteFrame) {
this.initWithSpriteFrame(fileName);
} else if ((fileName instanceof HTMLImageElement) || (fileName instanceof HTMLCanvasElement)) {
var texture2d = new cc.Texture2D();
texture2d.initWithElement(fileName);
texture2d.handleLoadedTexture();
this.initWithTexture(texture2d);
} else if (fileName instanceof cc.Texture2D) {
this.initWithTexture(fileName);
}
}
}
},
/**
* Returns the quad (tex coords, vertex coords and color) information.
* @return {cc.V3F_C4B_T2F_Quad}
*/
getQuad:function () {
return this._quad;
},
/**
* conforms to cc.TextureProtocol protocol
* @param {Number|cc.BlendFunc} src
* @param {Number} dst
*/
setBlendFunc: null,
_setBlendFuncForWebGL: function (src, dst) {
if (arguments.length == 1)
this._blendFunc = src;
else
this._blendFunc = {src: src, dst: dst};
},