void Update()
{
Quaternion r = this.transform.rotation;
Vector3 f0 = transform.position + (r * Vector3.forward) * distance;
//Debug.DrawLine(transform.position, f0, Color.red);//正前方
Quaternion r0 = Quaternion.Euler(transform.rotation.eulerAngles.x, transform.rotation.eulerAngles.y - angle, transform.rotation.eulerAngles.z);
Vector3 f1 = transform.position + (r0 * Vector3.forward) * distance;
Debug.DrawLine(transform.position, f1, Color.red);//左30度方向
Quaternion r1 = Quaternion.Euler(transform.rotation.eulerAngles.x, transform.rotation.eulerAngles.y + angle, transform.rotation.eulerAngles.z);
Vector3 f2 = transform.position + (r1 * Vector3.forward) * distance;//右30度方向
Debug.DrawLine(transform.position, f2, Color.red);
Debug.DrawLine(f1, f2, Color.red);//连接成一个三角形
Vector3 point = PointTrans.position;
//点是否在一个三角形内
if (MyTool.isINTriangle(point, transform.position, f1, f2))
{
Debug.Log("in");
}
else
{
Debug.Log("not in");
}
}