修复Vector2.zero引起的引用混乱问题
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@@ -50,9 +50,16 @@ module es {
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return value;
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}
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/**
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* 给定圆心、半径和角度,得到圆周上的一个点。0度是3点钟。
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* @param circleCenter
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* @param radius
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* @param angleInDegrees
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*/
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public static pointOnCirlce(circleCenter: Vector2, radius: number, angleInDegrees: number) {
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let radians = MathHelper.toRadians(angleInDegrees);
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return new Vector2(Math.cos(radians) * radians + circleCenter.x, Math.sin(radians) * radians + circleCenter.y);
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return new Vector2(Math.cos(radians) * radians + circleCenter.x,
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Math.sin(radians) * radians + circleCenter.y);
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}
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/**
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