Unity3d中最简单物体的旋转移动

1. void Awake (){  
   
2. 
   
3. }      
   
4. 
   
5. //初始化函数，在游戏开始时系统自动调用。一般用来创建变量之类的东西。  
   
6. 
   
7.   
   
8. 
   
9. void Start(){  
   
10. 
    
11. }  
    
12. 
    
13. //初始化函数，在所有Awake函数运行完之后（一般是这样，但不一定），在所有Update函数前系统自动条用。一般用来给变量赋值。
    
14. 
    
15. 我们通常书写的脚本，并不会定义[ExecuteInEditMode]这个Attribute，所以Awake和Start都只有在Runtime中才会执行,文章出处【狗刨学习网】。
    
16. 
    
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18. 
    
19. using UnityEngine;
    
20. using System.Collections;
    
21. 
    
22. 
    
23. 
    
24. public class square1 : MonoBehaviour {
    
25. public float m_speed = 1;
    
26. protected Transform m_transform;
    
27. //是否被拖拽
    
28. private bool onDrag=false;
    
29. //旋转速度
    
30. public float speed=6f;
    
31. //阻尼速度
    
32. private float tempSpeed;
    
33. //水平
    
34. private float axisX;
    
35. //竖直
    
36. private float axisY;
    
37. //鼠标移动的距离
    
38. private float cXY;
    
39. 
    
40. 
    
41. 
    
42. // Use this for initialization
    
43.         void Start () {
    
44. //调用
    
45. m_transform = this.transform;
    
46. 
    
47.         }
    
48. 
    
49.         // Update is called once per frame
    
50.         void Update () {
    
51. 
    
52. 
    
53. 
    
54. float movev = 0;
    
55. float moveh = 0;
    
56. if (Input.GetKey(KeyCode.UpArrow))
    
57. {
    
58. movev += m_speed * Time.deltaTime;
    
59. }
    
60. 
    
61. 
    
62. 
    
63. if (Input.GetKey(KeyCode.DownArrow))
    
64. {
    
65. movev -= m_speed * Time.deltaTime;
    
66. }
    
67. 
    
68. 
    
69. 
    
70. if (Input.GetKey(KeyCode.RightArrow))
    
71. {
    
72. moveh += m_speed * Time.deltaTime;
    
73. }
    
74. 
    
75. 
    
76. 
    
77. if (Input.GetKey(KeyCode.LeftArrow))
    
78. {
    
79. moveh -= m_speed * Time.deltaTime;
    
80. }
    
81. 
    
82. 
    
83. 
    
84. gameObject.transform.Rotate(new Vector3(axisX,axisY,0)*Rigid(),Space.World);
    
85. if (!Input.GetMouseButton(0))
    
86. {
    
87. onDrag = false;
    
88. }
    
89. transform.Translate(Vector3.forward*Time.captureFramerate);
    
90. this.m_transform.Translate(new Vector3(moveh, 0, movev));
    
91.         }
    
92. 
    
93. //接受鼠标按下
    
94. void OnMouseDown()
    
95. {
    
96. axisX = 0f;
    
97. axisY = 0f;
    
98. }
    
99. 
    
100. 
     
101. 
     
102. //鼠标拖拽时的操作
     
103. void OnMouseDrag()
     
104. {
     
105. onDrag = true;
     
106. axisX = -Input.GetAxis("Mouse X");
     
107. axisY = Input.GetAxis("Mouse Y");
     
108. cXY = Mathf.Sqrt(axisX*axisX+axisY*axisY);
     
109. if (cXY==0f)
     
110. {
     
111. cXY = 1f;
     
112. }
     
113. }
     
114. //计算阻尼
     
115. float Rigid()
     
116. {
     
117. if (onDrag)
     
118. {
     
119. tempSpeed = speed;
     
120. }
     
121. else
     
122. {
     
123. if (tempSpeed>0)
     
124. {
     
125. tempSpeed -= speed * 2 * Time.deltaTime / cXY;
     
126. }
     
127. else
     
128. {
     
129. tempSpeed = 0;
     
130. }
     
131. }
     
132. return tempSpeed;
     
133. }
     
134. //实现鼠标的拖拽移动
     
135. IEnumerator OnMouse()
     
136. {
     
137. var camear = Camera.mainCamera;
     
138. if (camear)
     
139. {
     
140. Vector3 screenPosition = camear.WorldToScreenPoint(transform.position);
     
141. Vector3 mscreenPosition = new Vector3(Input.mousePosition.x,Input.mousePosition.y,screenPosition.z);
     
142. Vector3 offset = transform.position - camear.ScreenToWorldPoint(mscreenPosition);
     
143. print("drag strating:"+transform.name);
     
144. 
     
145. 
     
146. 
     
147. while (Input.GetMouseButton(0))
     
148. {
     
149. mscreenPosition = new Vector3(Input.mousePosition.x,Input.mousePosition.y,screenPosition.z);
     
150. transform.position = offset + camear.ScreenToWorldPoint(mscreenPosition);
     
151. yield return new WaitForEndOfFrame();
     
152. }
     
153. print("drag compeleted");
     
154. }
     
155. }
     
156. }
     
157. 
     
158. 
     
159.