计算当前角度转到目标角度的最小旋转角度

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Example() {
        Debug.Log(Mathf.DeltaAngle(1080, 90));
        Debug.Log(Mathf.DeltaAngle(180, 720));
    }
}

运行测试