Unity计算B点在A点的那个方向

最新推荐文章于 2024-05-21 14:47:12 发布

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本文介绍了一个Unity脚本，该脚本用于计算场景中两个指定点之间的角度，并通过Debug.Log输出结果。脚本通过判断两点相对位置来确定角度范围，使用Mathf.Atan和Mathf.Rad2Deg实现从弧度到角度的转换。

using UnityEngine;
using System.Collections;

public class NewBehaviourScript1 : MonoBehaviour {
    public Transform jiaodu1;
    public Transform jiaodu2;
   // Use this for initialization
   void Start () {

   }

   // Update is called once per frame
   void Update () {

        Debug.Log(GetAngle(Vector3.zero, jiaodu2.position));
   }
    private float GetAngle(Vector3 a, Vector3 b)
    {
        b.x -= a.x;
        b.z -= a.z;

        float deltaAngle = 0;
        if (b.x == 0 && b.z == 0)
        {
            deltaAngle = 0;
        }
        else if (b.x > 0 && b.z > 0)
        {
            deltaAngle = 0;
        }
        else if (b.x > 0 && b.z == 0)
        {
            deltaAngle = 90;
        }
        else if (b.x > 0 && b.z < 0)
        {
            deltaAngle = 180;
        }
        else if (b.x == 0 && b.z < 0)
        {
            deltaAngle = 180;
        }
        else if (b.x < 0 && b.z < 0)
        {
            deltaAngle = -180;
        }
        else if (b.x < 0 && b.z == 0)
        {
            deltaAngle = -90;
        }
        else if (b.x < 0 && b.z > 0)
        {
            deltaAngle = 0;
        }

        float angle = Mathf.Atan(b.x / b.z) * Mathf.Rad2Deg + deltaAngle;
        if (angle < 0)
        {
            angle = (360-(-angle));
        }
        //if (angle >= 90 && angle <= 270)
        //{
        //    angle = 1;
        //}
        //else
        //{
        //    angle = 0;
        //}
        if(float.IsNaN(angle)){
            angle=0;
        }
        return angle;
    }
}