[Unity基础]镜头管理类

 1 using UnityEngine;
 2 using System.Collections;
 3 
 4 //镜头类型
 5 public enum CameraType
 6 {
 7     NotFollow,        //不跟随(可以自由设置镜头)
 8     FixedFollow,      //固定跟随
 9     SmoothFollow,     //平滑跟随
10 }
11 
12 public class CameraManager : MonoSingletion<CameraManager> {
13 
14     private Camera camera;
15     private Transform cameraTra;
16     private Transform targetTra;
17     private CameraType cameraType;
18 
19     //固定跟随参数
20     private Vector3 fixedPosOffset;//位置偏移
21 
22     //设置镜头
23     public void SetCamera(Camera camera)
24     {
25         this.camera = camera;
26         cameraTra = camera.gameObject.transform;
27     }
28 
29     //设置目标
30     public void SetTarget(GameObject go)
31     {
32         targetTra = go.transform;
33     }
34 
35     private void LateUpdate()
36     {
37         if ((cameraTra == null) || (targetTra == null))
38         {
39             return;
40         }
41 
42         switch (cameraType)
43         {
44             case CameraType.NotFollow:
45                 return;
46             case CameraType.FixedFollow:
47                 FixedFollow();
48                 break;
49             case CameraType.SmoothFollow:
50                 break;
51             default:
52                 break;
53         }
54     }
55 
56     //-----------------------------------------------不跟随 start
57     public void SetNotFollow()
58     {
59         cameraType = CameraType.NotFollow;
60     }
61     //-----------------------------------------------不跟随 end
62 
63     //-----------------------------------------------固定跟随 start
64     public void SetFixedFollow(Vector3 fixedPosOffset, Vector3 rot)
65     {
66         cameraType = CameraType.FixedFollow;
67         this.fixedPosOffset = fixedPosOffset;
68         cameraTra.localEulerAngles = rot;
69     }
70 
71     private void FixedFollow()
72     {
73         cameraTra.position = targetTra.position + fixedPosOffset;
74     }
75     //-----------------------------------------------固定跟随 end
76 }