鼠标图片icon（选中物体变换图片）C#代码

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鼠标图片icon（选中物体变换图片）C#代码

1. using UnityEngine;
   
2. 
   
3. using System.Collections;
   
4. 
   
5. public class mouseicon : MonoBehaviour {
   
6. 
   
7. public Texture mouse_ico;
   
8. 
   
9. public Texture mouse_sweep;     //鼠标经过
   
10. 
    
11. public Texture mouse_air;      //鼠标点空气
    
12. 
    
13. void Start () {
    
14. 
    
15. Screen.showCursor=false;
    
16. 
    
17. }
    
18. 
    
19. // Update is called once per frame
    
20. 
    
21. void Update ()
    
22. 
    
23. {
    
24. 
    
25. mouse_ico=mouse_air;
    
26. 
    
27. Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
    
28. 
    
29. RaycastHit hit;
    
30. 
    
31. if (Physics.Raycast (ray,out hit, 100))
    
32. 
    
33. {
    
34. 
    
35. Debug.DrawLine (ray.origin, hit.point);
    
36. 
    
37. if(hit.transform.tag==“renwu”)
    
38. 
    
39. {
    
40. 
    
41. mouse_ico=mouse_sweep;
    
42. 
    
43. }
    
44. 
    
45. else
    
46. 
    
47. {
    
48. 
    
49. mouse_ico=mouse_air;
    
50. 
    
51. }
    
52. 
    
53. }
    
54. 
    
55. }
    
56. 
    
57. void OnGUI()
    
58. 
    
59. {
    
60. 
    
61. Vector3 mouse_pos= Input.mousePosition;
    
62. 
    
63. GUI.DrawTexture(new Rect(mouse_pos.x,Screen.height-mouse_pos.y,16,20),mouse_ico);
    
64. 
    
65. }
    
66. 
    
67. }

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