//纹理缓存获取
_getSpriteFrame: function (spriteFrameName) {
var atlas = null;
var len = this._allAtlas.length;
for (var i = 0; i < len; i++) {
atlas = this._allAtlas[i];
var frame = atlas.getSpriteFrame(spriteFrameName);
if (frame) {
return frame;
}
}
return null;
},
// atlasName图集名字需要全称 frameName就是图片数据
setSpriteFrameForSprite: function (sprite, frameName, atlasName) {
var spriteFrame = this._getSpriteFrame(frameName);
if (!spriteFrame) {
cc.loader.loadRes(atlasName, cc.SpriteAtlas, function (frameName, err, atlas) {
if (!err) {
this._allAtlas.push(atlas);
if (cc.isValid(sprite)) {
sprite.spriteFrame = atlas.getSpriteFrame(frameName);
}
} else {
cc.log(this._tag, "set sprite frame for sprite " + frameName + "error = " + JSON.stringify(err));
}
}.bind(this, frameName));
} else {
if (cc.isValid(sprite)) {
sprite.spriteFrame = spriteFrame;
}
}
},
