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esengine/source/src/ECS/Components/Physics/Colliders/CircleCollider.ts

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module es {
export class CircleCollider extends Collider {
/**
* CircleCollider
* 使RenderableComponentCircleCollider
* RenderableComponent有一个0,01.5f * renderable.width的CircleCollideroriginNormalied为中心除以缩放尺寸来偏移原点
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*
* @param radius
*/
constructor(radius: number) {
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super();
this.shape = new Circle(radius);
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}
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public get radius(): number {
return (this.shape as Circle).radius;
}
public set radius(value: number) {
this.setRadius(value);
}
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/**
*
* @param radius
*/
public setRadius(radius: number): CircleCollider {
this._colliderRequiresAutoSizing = false;
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let circle = this.shape as Circle;
if (radius != circle.radius) {
circle.radius = radius;
circle._originalRadius = radius;
this._isPositionDirty = true;
if (this.entity != null && this._isParentEntityAddedToScene)
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Physics.updateCollider(this);
}
return this;
}
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public toString() {
return `[CircleCollider: bounds: ${this.bounds}, radius: ${(this.shape as Circle).radius}]`
}
}
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}