Archived
46 lines
1.0 KiB
C#
46 lines
1.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using XericLibrary.Runtime.MacroLibrary;
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namespace XericLibrary.Runtime.CollisionLOD
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{
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public class LodSphereCollider : LodColliderBase
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{
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#region 字段属性
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/// <summary>
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/// 半径
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/// </summary>
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private float radius;
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#endregion
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#region 碰撞检测
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private static bool CheckCollision(LodSphereCollider sphere1, LodSphereCollider sphere2)
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{
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return Vector3.Distance(sphere1.BoundSize.center, sphere2.BoundSize.center)
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< sphere1.radius + sphere2.radius;
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}
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private static bool CheckCollision(LodSphereCollider sphere, LodBoxCollider box)
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{
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/*
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* 对于任意AABB和圆的最近点的计算：
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* 获取圆心C与AABB中心B的偏移量D
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* 用AABB的范围去限制这个偏移量
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* 此时矢量总是位于AABB的边缘处
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*/
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return (sphere.BoundSize.center - box.BoundSize.center)
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.Clamp(box.BoundSize.min, box.BoundSize.max)
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.Add(box.BoundSize.center)
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.Distance(sphere.BoundSize.center) <= sphere.radius;
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}
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#endregion
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}
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}
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