增加toObj返回简单数据对象

src/support/Vector2D.ts

@@ -33,7 +33,7 @@ export function releaseVector2D(target) {
 /**
  * 2D矢量
  */
-export default class Vector2D extends HashObject{
+export default class Vector2D extends HashObject {
 	private _x: number;
 	private _y: number;
 	private onChange: Function;
@@ -44,7 +44,7 @@ export default class Vector2D extends HashObject{
 	 * @param y y分量
 	 * @param onChange 当改变时触发
 	 */
-	constructor(x:number = 0, y:number = 0, onChange?: Function) {
+	constructor(x: number = 0, y: number = 0, onChange?: Function) {
 		super();
 
 		this.onChange = onChange;
@@ -91,7 +91,7 @@ export default class Vector2D extends HashObject{
 	 * @param x
 	 * @param y
 	 */
-	setXY(x:number = 0, y:number = 0): Vector2D {
+	setXY(x: number = 0, y: number = 0): Vector2D {
 		this.x = x;
 		this.y = y;
 
@@ -229,7 +229,7 @@ export default class Vector2D extends HashObject{
 	 * 向量乘于某个数
 	 * @param value
 	 */
-	multiply(value:number): Vector2D {
+	multiply(value: number): Vector2D {
 		this.x *= value;
 		this.y *= value;
 		return this;
@@ -239,7 +239,7 @@ export default class Vector2D extends HashObject{
 	 * 向量除于某个数
 	 * @param value
 	 */
-	divide(value:number): Vector2D {
+	divide(value: number): Vector2D {
 		this.x /= value;
 		this.y /= value;
 		return this;
@@ -309,6 +309,10 @@ export default class Vector2D extends HashObject{
 		return "[Vector2D (x:" + this.x + ", y:" + this.y + ")]";
 	}
 
+	toObj() {
+		return {x: this.x, y: this.y}
+	}
+
 	static corner(v1, v2) {
 		return Math.acos(v1.dotProd(v2) / (v1.length * v2.length));
 	}