tv_xiaoyouxi/games/dwy/cocos2d-html5-v2.2.3/cocos2d/CCConfig.js

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 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011      Zynga Inc.

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/**
 * <p>
 * The current version of Cocos2d-html5 being used.<br/>
 * Please DO NOT remove this String, it is an important flag for bug tracking.<br/>
 * If you post a bug to forum, please attach this flag.
 * </p>
 * @constant
 * @type String
 */
cc.ENGINE_VERSION = "Cocos2d-html5-v2.2.3";

/**
 * <p>
 *   If enabled, the texture coordinates will be calculated by using this formula: <br/>
 *      - texCoord.left = (rect.origin.x*2+1) / (texture.wide*2);                  <br/>
 *      - texCoord.right = texCoord.left + (rect.size.width*2-2)/(texture.wide*2); <br/>
 *                                                                                 <br/>
 *  The same for bottom and top.                                                   <br/>
 *                                                                                 <br/>
 *  This formula prevents artifacts by using 99% of the texture.                   <br/>
 *  The "correct" way to prevent artifacts is by using the spritesheet-artifact-fixer.py or a similar tool.<br/>
 *                                                                                  <br/>
 *  Affected nodes:                                                                 <br/>
 *      - cc.Sprite / cc.SpriteBatchNode and subclasses: cc.LabelBMFont, cc.TMXTiledMap <br/>
 *      - cc.LabelAtlas                                                              <br/>
 *      - cc.QuadParticleSystem                                                      <br/>
 *      - cc.TileMap                                                                 <br/>
 *                                                                                  <br/>
 *  To enabled set it to 1. Disabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.FIX_ARTIFACTS_BY_STRECHING_TEXEL = 0;

/**
 * Position of the FPS (Default: 0,0 (bottom-left corner))
 * @constant
 * @type cc.Point
 */
cc.DIRECTOR_STATS_POSITION = cc.p(0, 0);

/**
 * <p>
 *   Senconds between FPS updates.<br/>
 *   0.5 seconds, means that the FPS number will be updated every 0.5 seconds.<br/>
 *   Having a bigger number means a more reliable FPS<br/>
 *   <br/>
 *   Default value: 0.1f<br/>
 * </p>
 * @constant
 * @type Number
 */
cc.DIRECTOR_FPS_INTERVAL = 0.5;

/**
 * <p>
 *    If enabled, the cc.Node objects (cc.Sprite, cc.Label,etc) will be able to render in subpixels.<br/>
 *    If disabled, integer pixels will be used.<br/>
 *    <br/>
 *    To enable set it to 1. Enabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.COCOSNODE_RENDER_SUBPIXEL = 1;

/**
 * <p>
 *   If enabled, the cc.Sprite objects rendered with cc.SpriteBatchNode will be able to render in subpixels.<br/>
 *   If disabled, integer pixels will be used.<br/>
 *   <br/>
 *   To enable set it to 1. Enabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.SPRITEBATCHNODE_RENDER_SUBPIXEL = 1;

/**
 * <p>
 *     If most of your imamges have pre-multiplied alpha, set it to 1 (if you are going to use .PNG/.JPG file images).<br/>
 *     Only set to 0 if ALL your images by-pass Apple UIImage loading system (eg: if you use libpng or PVR images)<br/>
 *     <br/>
 *     To enable set it to a value different than 0. Enabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.OPTIMIZE_BLEND_FUNC_FOR_PREMULTIPLIED_ALPHA = 0;

/**
 * <p>
 *   Use GL_TRIANGLE_STRIP instead of GL_TRIANGLES when rendering the texture atlas.<br/>
 *   It seems it is the recommend way, but it is much slower, so, enable it at your own risk<br/>
 *   <br/>
 *   To enable set it to a value different than 0. Disabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.TEXTURE_ATLAS_USE_TRIANGLE_STRIP = 0;

/**
 * <p>
 *    By default, cc.TextureAtlas (used by many cocos2d classes) will use VAO (Vertex Array Objects).<br/>
 *    Apple recommends its usage but they might consume a lot of memory, specially if you use many of them.<br/>
 *    So for certain cases, where you might need hundreds of VAO objects, it might be a good idea to disable it.<br/>
 *    <br/>
 *    To disable it set it to 0. disable by default.(Not Supported on WebGL)<br/>
 * </p>
 * @constant
 * @type Number
 */
cc.TEXTURE_ATLAS_USE_VAO = 0;

/**
 * <p>
 *  If enabled, NPOT textures will be used where available. Only 3rd gen (and newer) devices support NPOT textures.<br/>
 *  NPOT textures have the following limitations:<br/>
 *     - They can't have mipmaps<br/>
 *     - They only accept GL_CLAMP_TO_EDGE in GL_TEXTURE_WRAP_{S,T}<br/>
 *  <br/>
 *  To enable set it to a value different than 0. Disabled by default. <br/>
 *  <br/>
 *  This value governs only the PNG, GIF, BMP, images.<br/>
 *  This value DOES NOT govern the PVR (PVR.GZ, PVR.CCZ) files. If NPOT PVR is loaded, then it will create an NPOT texture ignoring this value.
 * </p>
 * @constant
 * @type Number
 * @deprecated This value will be removed in 1.1 and NPOT textures will be loaded by default if the device supports it.
 */
cc.TEXTURE_NPOT_SUPPORT = 0;

/**
 * <p>
 *    If enabled, cocos2d supports retina display.<br/>
 *    For performance reasons, it's recommended disable it in games without retina display support, like iPad only games.<br/>
 *    <br/>
 *    To enable set it to 1. Use 0 to disable it. Enabled by default.<br/>
 *    <br/>
 *    This value governs only the PNG, GIF, BMP, images.<br/>
 *    This value DOES NOT govern the PVR (PVR.GZ, PVR.CCZ) files. If NPOT PVR is loaded, then it will create an NPOT texture ignoring this value.
 * </p>
 * @constant
 * @type Number
 * @deprecated This value will be removed in 1.1 and NPOT textures will be loaded by default if the device supports it.
 */
cc.RETINA_DISPLAY_SUPPORT = 1;

/**
 * <p>
 *    It's the suffix that will be appended to the files in order to load "retina display" images.<br/>
 *    <br/>
 *    On an iPhone4 with Retina Display support enabled, the file @"sprite-hd.png" will be loaded instead of @"sprite.png".<br/>
 *    If the file doesn't exist it will use the non-retina display image.<br/>
 *    <br/>
 *    Platforms: Only used on Retina Display devices like iPhone 4.
 * </p>
 * @constant
 * @type String
 */
cc.RETINA_DISPLAY_FILENAME_SUFFIX = "-hd";

/**
 * <p>
 *     If enabled, it will use LA88 (Luminance Alpha 16-bit textures) for CCLabelTTF objects. <br/>
 *     If it is disabled, it will use A8 (Alpha 8-bit textures).                              <br/>
 *     LA88 textures are 6% faster than A8 textures, but they will consume 2x memory.         <br/>
 *                                                                                            <br/>
 *     This feature is enabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.USE_LA88_LABELS = 1;

/**
 * <p>
 *   If enabled, all subclasses of cc.Sprite will draw a bounding box<br/>
 *   Useful for debugging purposes only. It is recommened to leave it disabled.<br/>
 *   <br/>
 *   To enable set it to a value different than 0. Disabled by default:<br/>
 *      0 -- disabled<br/>
 *      1 -- draw bounding box<br/>
 *      2 -- draw texture box
 * </p>
 * @constant
 * @type Number
 */
cc.SPRITE_DEBUG_DRAW = 0;

/**
 * <p>
 *    If enabled, all subclasses of cc.Sprite that are rendered using an cc.SpriteBatchNode draw a bounding box.<br/>
 *    Useful for debugging purposes only. It is recommened to leave it disabled.<br/>
 *    <br/>
 *    To enable set it to a value different than 0. Disabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.SPRITEBATCHNODE_DEBUG_DRAW = 0;

/**
 * <p>
 *   If enabled, all subclasses of cc.LabelBMFont will draw a bounding box <br/>
 *   Useful for debugging purposes only. It is recommened to leave it disabled.<br/>
 *   <br/>
 *   To enable set it to a value different than 0. Disabled by default.<br/>
 * </p>
 * @constant
 * @type Number
 */
cc.LABELBMFONT_DEBUG_DRAW = 0;

/**
 * <p>
 *    If enabled, all subclasses of cc.LabeltAtlas will draw a bounding box<br/>
 *    Useful for debugging purposes only. It is recommened to leave it disabled.<br/>
 *    <br/>
 *    To enable set it to a value different than 0. Disabled by default.
 * </p>
 * @constant
 * @type Number
 */
cc.LABELATLAS_DEBUG_DRAW = 0;

/**
 * whether or not support retina display
 * @constant
 * @type Number
 */
cc.IS_RETINA_DISPLAY_SUPPORTED = 1;

/**
 * default engine
 * @constant
 * @type String
 */
cc.DEFAULT_ENGINE = cc.ENGINE_VERSION + "-canvas";

/**
 *  Runtime information
 *  @deprecated Use "sys" instead.
 */
cc.config = {
    'platform' : sys.platform
};

/**
 * dump config info, but only in debug mode
 */
cc.dumpConfig = function() {
    for(var i in sys )
        cc.log( i + " = " + sys[i] );
};

/**
 * <p>
 *    If enabled, actions that alter the position property (eg: CCMoveBy, CCJumpBy, CCBezierBy, etc..) will be stacked.                  <br/>
 *    If you run 2 or more 'position' actions at the same time on a node, then end position will be the sum of all the positions.        <br/>
 *    If disabled, only the last run action will take effect.
 * </p>
 * @constant
 * @type {number}
 */
cc.ENABLE_STACKABLE_ACTIONS = 1;

/**
 * <p>
 *      If enabled, cocos2d will maintain an OpenGL state cache internally to avoid unnecessary switches.                                     <br/>
 *      In order to use them, you have to use the following functions, insead of the the GL ones:                                             <br/>
 *          - ccGLUseProgram() instead of glUseProgram()                                                                                      <br/>
 *          - ccGLDeleteProgram() instead of glDeleteProgram()                                                                                <br/>
 *          - ccGLBlendFunc() instead of glBlendFunc()                                                                                        <br/>
 *                                                                                                                                            <br/>
 *      If this functionality is disabled, then ccGLUseProgram(), ccGLDeleteProgram(), ccGLBlendFunc() will call the GL ones, without using the cache.              <br/>
 *      It is recommened to enable whenever possible to improve speed.                                                                        <br/>
 *      If you are migrating your code from GL ES 1.1, then keep it disabled. Once all your code works as expected, turn it on.
 * </p>
 * @constant
 * @type Number
 */
cc.ENABLE_GL_STATE_CACHE = 1;