Emergency backup

Runtime/CollisionLOD/LodBoxCollider.cs

@@ -1,20 +1,19 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.XR;
 
 using XericLibrary.Runtime.Type;
 
 namespace XericLibrary.Runtime.CollisionLOD
 {
+	/// <summary>
+	/// 盒体的AABB碰撞器
+	/// </summary>
 	public class LodBoxCollider : LodColliderBase
 	{
 		#region 字段属性
 
-		/// <summary>
-		/// 启用轴向
-		/// </summary>
-		public Bool3 EnableCollisionAxis = new Bool3(1,0,1);
-
 		#endregion
 
 		#region 生命周期
@@ -25,9 +24,38 @@ namespace XericLibrary.Runtime.CollisionLOD
 
 		#region 碰撞检测
 
-		private bool CheckCollision()
+		private static bool CheckCollision(LodBoxCollider box1, LodBoxCollider box2)
 		{
-			return false;
+			var box1max = box1.BoundSize.max;
+			var box1min = box1.BoundSize.min;
+			var box2max = box2.BoundSize.max;
+			var box2min = box2.BoundSize.min;
+
+			bool collidX = box1max.x >= box2min.x 
+						&& box2max.x >= box1min.x;
+			bool collidY = box1max.y >= box2min.y 
+						&& box2max.y >= box1min.y;
+			bool collidZ = box1max.z >= box2min.z 
+						&& box2max.z >= box1min.z;
+
+			bool enableCollidX = box1.EnableCollisionAxis.x
+							&& box2.EnableCollisionAxis.x;
+			bool enableCollidY = box1.EnableCollisionAxis.y
+							&& box2.EnableCollisionAxis.y;
+			bool enableCollidZ = box1.EnableCollisionAxis.z
+							&& box2.EnableCollisionAxis.z;
+
+			if(!(enableCollidX && enableCollidY && enableCollidZ))
+				return false;
+
+			bool rescollidX = enableCollidX && collidX
+						|| (!enableCollidX && (collidY || collidZ));
+			bool rescollidY = enableCollidY && collidY
+						|| (!enableCollidY && (collidX || collidZ));
+			bool rescollidZ = enableCollidZ && collidZ
+						|| (!enableCollidZ && (collidX || collidY));
+
+			return rescollidX && rescollidY && rescollidZ;
 		}
 
 		#endregion

Runtime/CollisionLOD/LodSphereCollider.cs

@@ -2,11 +2,44 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
+using XericLibrary.Runtime.MacroLibrary;
 
 namespace XericLibrary.Runtime.CollisionLOD
 {
 	public class LodSphereCollider : LodColliderBase
 	{
-        
-    }
+		#region 字段属性
+
+		/// <summary>
+		/// 半径
+		/// </summary>
+		private float radius;
+
+		#endregion
+
+		#region 碰撞检测
+
+		private static bool CheckCollision(LodSphereCollider sphere1, LodSphereCollider sphere2)
+		{
+			return Vector3.Distance(sphere1.BoundSize.center, sphere2.BoundSize.center)
+			< sphere1.radius + sphere2.radius;
+
+		}
+
+		private static bool CheckCollision(LodSphereCollider sphere, LodBoxCollider box)
+		{
+			/*
+			 * 对于任意AABB和圆的最近点的计算：
+			 * 获取圆心C与AABB中心B的偏移量D
+			 * 用AABB的范围去限制这个偏移量
+			 * 此时矢量总是位于AABB的边缘处
+			 */
+			 return (sphere.BoundSize.center - box.BoundSize.center)
+			.Clamp(box.BoundSize.min, box.BoundSize.max)
+			.Add(box.BoundSize.center)
+			.Distance(sphere.BoundSize.center) <= sphere.radius;
+		}
+
+		#endregion
+	}
 }

Runtime/CollisionLOD/base/LodColliderBase.cs

@@ -57,6 +57,11 @@ namespace XericLibrary.Runtime.CollisionLOD
 		/// </summary>
 		public Bounds BoundSize;
 
+		/// <summary>
+		/// 启用轴向
+		/// </summary>
+		public Bool3 EnableCollisionAxis = new Bool3(1,0,1);
+
 		/// <summary>
 		/// 碰撞器集合
 		/// </summary>
@@ -98,7 +103,7 @@ namespace XericLibrary.Runtime.CollisionLOD
 		private void MakeLevelLinearArray(List<LodColliderBase> genList)
 		{
 			genList.Sort();
-			int seqIndex = 0;
+			int seqIndex = 1;
 			foreach(var item in genList)
 				item.SeqLevels = seqIndex++;
 		}