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

		#endregion

		#region 生命周期



		#endregion

		#region 碰撞检测

		private static bool CheckCollision(LodBoxCollider box1, LodBoxCollider box2)
		{
			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
	}
}