using ET;
using UnityEngine;

namespace ET
{
	
	//public class TurnComponentUpdateSystem : UpdateSystem<TurnComponent>
	//{
	//	public override void Update(TurnComponent self)
	//	{
	//		self.Update();
	//	}
	//}

	public class TurnComponent : Entity
	{
		// turn
		public Quaternion To;
		public Quaternion From;
		public float t = float.MaxValue;
		public float TurnTime = 0.1f;

		//public void Update()
		//{
		//	UpdateTurn();
		//}

		//private void UpdateTurn()
		//{
		//	//Log.Debug($"update turn: {this.t} {this.TurnTime}");
		//	if (this.t > this.TurnTime)
		//	{
		//		return;
		//	}

		//	this.t += Time.deltaTime;

		//	Quaternion v = Quaternion.Slerp(this.From, this.To, this.t / this.TurnTime);
		//	this.GetParent<Unit>().Rotation = v;
		//}

		///// <summary>
		///// 改变Unit的朝向
		///// </summary>
		//public void Turn2D(Vector3 dir, float turnTime = 0.1f)
		//{
		//	Vector3 nexpos = this.GetParent<Unit>().ViewGO.transform.position + dir;
		//	Turn(nexpos, turnTime);
		//}
		public void TurnSprite(Vector3 pos,Vector2 target, float turnTime = 0.1f)
		{
			this.GetParent<Unit>().YAngle = pos.x>target.x?180:0;
		}

		///// <summary>
		///// 改变Unit的朝向
		///// </summary>
		//public void Turn(Vector3 target, float turnTime = 0.1f)
		//{
		//	Quaternion quaternion = PositionHelper.GetVector3ToQuaternion(this.GetParent<Unit>().Position, target);

		//	this.To = quaternion;
		//	this.From = this.GetParent<Unit>().Rotation;
		//	this.t = 0;
		//	this.TurnTime = turnTime;
		//}

		/// <summary>
		/// 改变Unit的朝向
		/// </summary>
		/// <param name="angle">与X轴正方向的夹角</param>
		//public void Turn(float angle, float turnTime = 0.1f)
		//{
		//	Quaternion quaternion = PositionHelper.GetAngleToQuaternion(angle);

		//	this.To = quaternion;
		//	this.From = this.GetParent<Unit>().Rotation;
		//	this.t = 0;
		//	this.TurnTime = turnTime;
		//}

		//public void Turn(Quaternion quaternion, float turnTime = 0.1f)
		//{
		//	this.To = quaternion;
		//	this.From = this.GetParent<Unit>().Rotation;
		//	this.t = 0;
		//	this.TurnTime = turnTime;
		//}

		//public void TurnImmediately(Quaternion quaternion)
		//{
		//	this.GetParent<Unit>().Rotation = quaternion;
		//}

		//public void TurnImmediately(Vector3 target)
		//{
		//	Vector3 nowPos = this.GetParent<Unit>().Position;
		//	if (nowPos == target)
		//	{
		//		return;
		//	}

		//	Quaternion quaternion = PositionHelper.GetVector3ToQuaternion(this.GetParent<Unit>().Position, target);
		//	this.GetParent<Unit>().Rotation = quaternion;
		//}

		//public void TurnImmediately(float angle)
		//{
		//	Quaternion quaternion = PositionHelper.GetAngleToQuaternion(angle);
		//	this.GetParent<Unit>().Rotation = quaternion;
		//}

		public override void Dispose()
		{
			if (this.IsDisposed)
			{
				return;
			}
			base.Dispose();
		}
	}
}