Vector3.Slerp 球形插值
static function Slerp (from : Vector3, to : Vector3, t : float) : Vector3
通过t数值在from和to之间插值。返回的向量的长度将被插值到from到to的长度之间。
t的值在[0...1]。
C#代码:
using UnityEngine;
using System.Collections;
public class example : MonoBehaviour {
public Transform sunrise;//起点
public Transform sunset;//落点
void Update() {
Vector3 center = sunrise.position + sunset.position * 0.5F;
center -= new Vector3(0, 1, 0);
Vector3 riseRelCenter = sunrise.position - center;
Vector3 setRelCenter = sunset.position - center;
transform.position = Vector3.Slerp(riseRelCenter, setRelCenter, Time.time);
transform.position += center;
}
}