22 lines
652 B
TypeScript
22 lines
652 B
TypeScript
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/**
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* 多边形应该以顺时针方式定义
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*/
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class PolygonCollider extends Collider {
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/**
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* 如果这些点没有居中，它们将以localOffset的差异为居中。
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* @param points
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*/
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constructor(points: Vector2[]){
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super();
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// 第一点和最后一点决不能相同。我们想要一个开放的多边形
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let isPolygonClosed = points[0] == points[points.length - 1];
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// 最后一个移除
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if (isPolygonClosed)
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points.splice(points.length - 1, 1);
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Polygon.recenterPolygonVerts(points);
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this.shape = new Polygon(points);
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}
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}
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