phaser/Phaser/cameras/CameraManager.ts
2013-05-25 04:21:24 +01:00

138 lines
No EOL
3.5 KiB
TypeScript

/// <reference path="Game.ts" />
/// <reference path="system/Camera.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.
*/
module Phaser {
export class CameraManager {
/**
* 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.
*/
constructor(game: Game, x: number, y: number, width: number, height: number) {
this._game = game;
this._cameras = [];
this.current = this.addCamera(x, y, width, height);
}
/**
* Local private reference to Game.
*/
private _game: Game;
/**
* Local container for storing cameras.
*/
private _cameras: Camera[];
/**
* Local helper stores index of next created camera.
*/
private _cameraInstance: number = 0;
/**
* Currently used camera.
*/
public current: Camera;
/**
* Get all the cameras.
*
* @returns {Camera[]} An array contains all the cameras.
*/
public getAll(): Camera[] {
return this._cameras;
}
/**
* Update cameras.
*/
public update() {
this._cameras.forEach((camera) => camera.update());
}
/**
* Render cameras.
*/
public render() {
this._cameras.forEach((camera) => camera.render());
}
/**
* 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.
*/
public addCamera(x: number, y: number, width: number, height: number): Camera {
var newCam: Camera = new Camera(this._game, this._cameraInstance, x, y, width, height);
this._cameras.push(newCam);
this._cameraInstance++;
return newCam;
}
/**
* Remove a new camera with its id.
*
* @param id {number} ID of the camera you want to remove.
* @returns {boolean} True if successfully removed the camera, otherwise return false.
*/
public removeCamera(id: number): bool {
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;
}
/**
* Clean up memory.
*/
public destroy() {
this._cameras.length = 0;
this.current = this.addCamera(0, 0, this._game.stage.width, this._game.stage.height);
}
}
}