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

/****************************************************************************
 Copyright (c) 2010-2013 cocos2d-x.org
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011      Zynga Inc.

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/**
 * Base class for Grid actions
 * @class
 * @extends cc.ActionInterval
 */
cc.GridAction = cc.ActionInterval.extend(/** @lends cc.GridAction# */{
    _gridSize:null,

    ctor:function(){
        cc.ActionInterval.prototype.ctor.call(this);
        this._gridSize = cc.size(0,0);
    },

    clone:function(){
        var action = new cc.GridAction();
        var locGridSize = this._gridSize;
        action.initWithDuration(this._duration, cc.size(locGridSize.width, locGridSize.height));
        return action;
    },

    startWithTarget:function (target) {
        cc.ActionInterval.prototype.startWithTarget.call(this, target);
        var newGrid = this.getGrid();
        var t = this._target;
        var targetGrid = t.getGrid();
        if (targetGrid && targetGrid.getReuseGrid() > 0) {
            var locGridSize = targetGrid.getGridSize();
            if (targetGrid.isActive() && (locGridSize.width == this._gridSize.width) && (locGridSize.height == this._gridSize.height))
                targetGrid.reuse();
        } else {
            if (targetGrid && targetGrid.isActive())
                targetGrid.setActive(false);
            t.setGrid(newGrid);
            t.getGrid().setActive(true);
        }
    },

    reverse:function () {
        return cc.ReverseTime.create(this);
    },

    /**
     * initializes the action with size and duration
     * @param {Number} duration
     * @param {cc.Size} gridSize
     * @return {Boolean}
     */
    initWithDuration:function (duration, gridSize) {
        if (cc.ActionInterval.prototype.initWithDuration.call(this, duration)) {
            this._gridSize.width = gridSize.width;
            this._gridSize.height = gridSize.height;
            return true;
        }
        return false;
    },

    /**
     * returns the grid
     * @return {cc.GridBase}
     */
    getGrid:function () {
        // Abstract class needs implementation
        cc.log("cc.GridAction.getGrid(): it should be overridden in subclass.");
    }
});

/**
 * creates the action with size and duration
 * @param {Number} duration
 * @param {cc.Size} gridSize
 * @return {cc.GridAction}
 */
cc.GridAction.create = function (duration, gridSize) {
    var action = new cc.GridAction();
    action.initWithDuration(duration, gridSize);
    return action;
};

/**
 * Base class for cc.Grid3D actions.                     <br/>
 * Grid3D actions can modify a non-tiled grid.
 * @class
 * @extends cc.GridAction
 */
cc.Grid3DAction = cc.GridAction.extend(/** @lends cc.GridAction# */{
    /**
     * returns the grid
     * @return {cc.GridBase}
     */
    getGrid:function () {
        return cc.Grid3D.create(this._gridSize);
    },

    /**
     * returns the vertex than belongs to certain position in the grid
     * @param {cc.Point} position
     * @return {cc.Vertex3F}
     */
    vertex:function (position) {
        return this._target.getGrid().vertex(position);
    },

    /**
     * returns the non-transformed vertex than belongs to certain position in the grid
     * @param {cc.Point} position
     * @return {*}
     */
    originalVertex:function (position) {
        return this._target.getGrid().originalVertex(position);
    },

    /**
     * sets a new vertex to a certain position of the grid
     * @param {cc.Point} position
     * @param {cc.Vertex3F} vertex
     */
    setVertex:function (position, vertex) {
        this._target.getGrid().setVertex(position, vertex);
    }
});

/**
 * creates the action with size and duration
 * @param {Number} duration
 * @param {cc.Size} gridSize
 * @return {cc.Grid3DAction}
 */
cc.Grid3DAction.create = function (duration,gridSize) {
    var action = new cc.Grid3DAction();
    action.initWithDuration(duration,gridSize);
    return action;
};

/**
 * Base class for cc.TiledGrid3D actions
 * @class
 * @extends cc.GridAction
 */
cc.TiledGrid3DAction = cc.GridAction.extend(/** @lends cc.TiledGrid3DAction# */{
    /**
     * returns the tile that belongs to a certain position of the grid
     * @param {cc.Point} position
     * @return {cc.Quad3}
     */
    tile:function (position) {
        return this._target.getGrid().tile(position);
    },

    /**
     * returns the non-transformed tile that belongs to a certain position of the grid
     * @param {cc.Point} position
     * @return {cc.Quad3}
     */
    originalTile:function (position) {
        return this._target.getGrid().originalTile(position);
    },

    /**
     * sets a new tile to a certain position of the grid
     * @param {cc.Point} position
     * @param {cc.Quad3} coords
     */
    setTile:function (position, coords) {
        this._target.getGrid().setTile(position, coords);
    },

    /**
     * returns the grid
     * @return {cc.GridBase}
     */
    getGrid:function () {
        return cc.TiledGrid3D.create(this._gridSize);
    }
});

/**
 * creates the action with size and duration
 * @param {Number} duration
 * @param {cc.Size} gridSize
 * @return {cc.TiledGrid3DAction}
 */
cc.TiledGrid3DAction.create = function (duration, gridSize) {
     var ret = new cc.TiledGrid3DAction();
    ret.initWithDuration(duration, gridSize);
    return ret;
};

/**
 * <p>
 * cc.StopGrid action.                                                               <br/>
 * @warning Don't call this action if another grid action is active.                 <br/>
 * Call if you want to remove the the grid effect. Example:                          <br/>
 * cc.Sequence.create(Lens.action(...), cc.StopGrid.create(...), null);              <br/>
 * </p>
 * @class
 * @extends cc.ActionInstant
 */
cc.StopGrid = cc.ActionInstant.extend(/** @lends cc.StopGrid# */{
    startWithTarget:function (target) {
        cc.ActionInstant.prototype.startWithTarget.call(this, target);
        var grid = this._target.getGrid();
        if (grid && grid.isActive())
            grid.setActive(false);
    }
});

/**
 * Allocates and initializes the action
 * @return {cc.StopGrid}
 */
cc.StopGrid.create = function () {
    return new cc.StopGrid();
};

/**
 * cc.ReuseGrid action
 * @class
 * @extends cc.ActionInstant
 */
cc.ReuseGrid = cc.ActionInstant.extend(/** @lends cc.ReuseGrid# */{
    _times:null,

    /**
     * initializes an action with the number of times that the current grid will be reused
     * @param {Number} times
     * @return {Boolean}
     */
    initWithTimes:function (times) {
        this._times = times;
        return true;
    },

    startWithTarget:function (target) {
        cc.ActionInstant.prototype.startWithTarget.call(this, target);
        if (this._target.getGrid() && this._target.getGrid().isActive())
            this._target.getGrid().setReuseGrid(this._target.getGrid().getReuseGrid() + this._times);
    }
});

/**
 * creates an action with the number of times that the current grid will be reused
 * @param {Number} times
 * @return {cc.ReuseGrid}
 */
cc.ReuseGrid.create = function (times) {
    return new cc.ReuseGrid();
};