if(Input.GetKey(KeyCode.Q))
{
transform.Rotate(0,-50*Time.deltaTime,0,Space.Self);
}
if(Input.GetKey(KeyCode.E))
{
transform.Rotate(0,50*Time.deltaTime,0,Space.Self);
}

模仿WOW镜头操作

1. using UnityEngine;
2. using System.Collections;
4. /// 
5. /// 将此脚本附加到任意镜头上，可以使其拥有WOW镜头的控制方式
6. /// 
7. public class WowCamera : MonoBehaviour
8. {
9. /// 
10. /// 镜头目标
11. /// 
12. public Transform Target;
14. /// 
15. /// 镜头离目标的距离
16. /// 
17. public float Distance = 30.0f;
19. /// 
20. /// 最大镜头距离
21. /// 
22. public float MaxDistance = 30.0f;
24. /// 
25. /// 鼠标滚轮拉近拉远速度系数
26. /// 
27. public float ScrollFactor = 10.0f;
29. /// 
30. /// 镜头旋转速度比率
31. /// 
32. public float RotateFactor = 10.0f;
34. /// 
35. /// 镜头水平环绕角度
36. /// 
37. public float HorizontalAngle = 45;
39. /// 
40. /// 镜头竖直环绕角度
41. /// 
42. public float VerticalAngle = 0;
44. private Transform mCameraTransform;
46. void Start()
47. {
48. mCameraTransform = transform;
49. }
51. void Update()
52. {
53. //滚轮向前：拉近距离；滚轮向后：拉远距离
54. var scrollAmount = Input.GetAxis(GameSetting.MouseScrollWheel);
55. Distance -= scrollAmount * ScrollFactor;
59. //保证镜头距离合法
60. if (Distance < 0)
61. Distance = 0;
62. else if (Distance > MaxDistance)
63. Distance = MaxDistance;
67. //按住鼠标左右键移动，镜头随之旋转
68. var isMouseLeftButtonDown = Input.GetMouseButton(0);
69. var isMouseRightButtonDown = Input.GetMouseButton(1);
70. if (isMouseLeftButtonDown || isMouseRightButtonDown)
71. {
72. Screen.lockCursor = true;
74. var axisX = Input.GetAxis(GameSetting.MouseX);
75. var axisY = Input.GetAxis(GameSetting.MouseY);
77. HorizontalAngle += axisX * RotateFactor;
78. VerticalAngle += axisY * RotateFactor;
79. if (isMouseRightButtonDown)
80. {
81. //如果是鼠标右键移动，则旋转人物在水平面上与镜头方向一致
82. Target.rotation = Quaternion.Euler(0, HorizontalAngle, 0);
83. }
84. }
85. else
86. {
87. Screen.lockCursor = false;
88. }
92. //按镜头距离调整位置和方向
93. var rotation = Quaternion.Euler(-VerticalAngle, HorizontalAngle, 0);
94. var offset = rotation * Vector3.back * Distance;
95. mCameraTransform.position = Target.position + offset;
96. mCameraTransform.rotation = rotation;
97. }
98. }