Unity3d中最简单物体的旋转移动

Unity3d中最简单物体的旋转移动

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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.

17.

18.

https://www.360docs.net/doc/812825607.html,ing UnityEngine;

https://www.360docs.net/doc/812825607.html,ing 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:"+https://www.360docs.net/doc/812825607.html,);

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.