phaser/todo/TS Source/cameras/CameraManager.js

/// <reference path="../_definitions.ts" />
/**
* Phaser - CameraManager
*
* Your game only has one CameraManager instance and it's responsible for looking after, creating and destroying
* all of the cameras in the world.
*/
var Phaser;
(function (Phaser) {
    var CameraManager = (function () {
        /**
        * CameraManager constructor
        * This will create a new <code>Camera</code> with position and size.
        *
        * @param x {number} X Position of the created camera.
        * @param y {number} y Position of the created camera.
        * @param width {number} Width of the created camera.
        * @param height {number} Height of the created camera.
        */
        function CameraManager(game, x, y, width, height) {
            /**
            * Helper for sort.
            */
            this._sortIndex = '';
            this.game = game;
            this._cameras = [];
            this._cameraLength = 0;
            this.defaultCamera = this.addCamera(x, y, width, height);
            this.defaultCamera.directToStage = true;
            this.current = this.defaultCamera;
        }
        CameraManager.prototype.getAll = /**
        * Get all the cameras.
        *
        * @returns {Camera[]} An array contains all the cameras.
        */
        function () {
            return this._cameras;
        };
        CameraManager.prototype.update = /**
        * Update cameras.
        */
        function () {
            for(var i = 0; i < this._cameras.length; i++) {
                this._cameras[i].update();
            }
        };
        CameraManager.prototype.postUpdate = /**
        * postUpdate cameras.
        */
        function () {
            for(var i = 0; i < this._cameras.length; i++) {
                this._cameras[i].postUpdate();
            }
        };
        CameraManager.prototype.addCamera = /**
        * Create a new camera with specific position and size.
        *
        * @param x {number} X position of the new camera.
        * @param y {number} Y position of the new camera.
        * @param width {number} Width of the new camera.
        * @param height {number} Height of the new camera.
        * @returns {Camera} The newly created camera object.
        */
        function (x, y, width, height) {
            var newCam = new Phaser.Camera(this.game, this._cameraLength, x, y, width, height);
            this._cameraLength = this._cameras.push(newCam);
            return newCam;
        };
        CameraManager.prototype.removeCamera = /**
        * Remove a new camera with its id.
        *
        * @param id {number} ID of the camera you want to remove.
        * @returns {bool} True if successfully removed the camera, otherwise return false.
        */
        function (id) {
            for(var c = 0; c < this._cameras.length; c++) {
                if(this._cameras[c].ID == id) {
                    if(this.current.ID === this._cameras[c].ID) {
                        this.current = null;
                    }
                    this._cameras.splice(c, 1);
                    return true;
                }
            }
            return false;
        };
        CameraManager.prototype.swap = function (camera1, camera2, sort) {
            if (typeof sort === "undefined") { sort = true; }
            if(camera1.ID == camera2.ID) {
                return false;
            }
            var tempZ = camera1.z;
            camera1.z = camera2.z;
            camera2.z = tempZ;
            if(sort) {
                this.sort();
            }
            return true;
        };
        CameraManager.prototype.getCameraUnderPoint = function (x, y) {
            //  Work through the cameras in reverse as they are rendered in array order
            //  Return the first camera we find matching the criteria
            for(var c = this._cameraLength - 1; c >= 0; c--) {
                if(this._cameras[c].visible && Phaser.RectangleUtils.contains(this._cameras[c].screenView, x, y)) {
                    return this._cameras[c];
                }
            }
            return null;
        };
        CameraManager.prototype.sort = /**
        * Call this function to sort the Cameras according to a particular value and order (default is their Z value).
        * The order in which they are sorted determines the render order. If sorted on z then Cameras with a lower z-index value render first.
        *
        * @param {string} index The <code>string</code> name of the Camera variable you want to sort on. Default value is "z".
        * @param {number} order A <code>Group</code> constant that defines the sort order. Possible values are <code>Group.ASCENDING</code> and <code>Group.DESCENDING</code>.  Default value is <code>Group.ASCENDING</code>.
        */
        function (index, order) {
            if (typeof index === "undefined") { index = 'z'; }
            if (typeof order === "undefined") { order = Phaser.Types.SORT_ASCENDING; }
            var _this = this;
            this._sortIndex = index;
            this._sortOrder = order;
            this._cameras.sort(function (a, b) {
                return _this.sortHandler(a, b);
            });
        };
        CameraManager.prototype.sortHandler = /**
        * Helper function for the sort process.
        *
        * @param {Basic} Obj1 The first object being sorted.
        * @param {Basic} Obj2 The second object being sorted.
        *
        * @return {number} An integer value: -1 (Obj1 before Obj2), 0 (same), or 1 (Obj1 after Obj2).
        */
        function (obj1, obj2) {
            if(obj1[this._sortIndex] < obj2[this._sortIndex]) {
                return this._sortOrder;
            } else if(obj1[this._sortIndex] > obj2[this._sortIndex]) {
                return -this._sortOrder;
            }
            return 0;
        };
        CameraManager.prototype.destroy = /**
        * Clean up memory.
        */
        function () {
            this._cameras.length = 0;
            this.current = this.addCamera(0, 0, this.game.stage.width, this.game.stage.height);
        };
        return CameraManager;
    })();
    Phaser.CameraManager = CameraManager;    
})(Phaser || (Phaser = {}));