Unity3d组合键

 1 using UnityEngine;
 2 using System.Collections;
 3 
 4 public class CombinationKey
 5 {
 6     public CombinationKey (KeyCode p,KeyCode a)
 7     {
 8         PrimaryKey = p;
 9         AttachKey = a;
10     }
11 
12     public CombinationKey() { }
13     /// <summary>
14     /// 主键
15     /// </summary>
16     public KeyCode PrimaryKey
17     {
18         set { primaryKey = value; }
19     }
20     private KeyCode primaryKey = KeyCode.LeftControl;
21     bool bPrimary = false;
22     /// <summary>
23     /// 附键
24     /// </summary>
25     public KeyCode AttachKey
26     {
27         set { attachKey = value; }
28     }
29     private KeyCode attachKey = KeyCode.E;
30 
31     /// <summary>
32     /// 按下组合键后，只返回一次真
33     /// </summary>
34     /// <returns></returns>
35     public bool ClickKey()
36     {
37         if (Input.GetKeyDown(primaryKey))
38         {
39             bPrimary = true;
40         }
41         if (Input.GetKeyUp(primaryKey))
42         {
43             bPrimary = false;
44         }
45         if (bPrimary)
46         {
47             if (Input.GetKeyDown(attachKey))
48             {
49                 return true;
50             }
51             else
52             {
53                 return false;
54             }
55         }
56         else
57         {
58             return false;
59         }
60     }
61     /// <summary>
62     /// 按下组合键后，一直返回真，直到松开
63     /// </summary>
64     /// <returns></returns>
65     public bool PressKey()
66     {
67         if (Input.GetKeyDown(primaryKey))
68         {
69             bPrimary = true;
70         }
71         if (Input.GetKeyUp(primaryKey))
72         {
73             bPrimary = false;
74         }
75         if (bPrimary)
76         {
77             if (Input.GetKey(attachKey))
78             {
79                 Debug.Log("d");
80                 return true;
81             }
82             else
83             {
84                 return false;
85             }
86         }
87         else
88         {
89             return false;
90         }
91     }
92     void Update()
93     {
94         ClickKey();
95         PressKey();
96     }
97 }

using UnityEngine;
using System.Collections;

public class test : MonoBehaviour
{
    CombinationKey mKey = new CombinationKey(KeyCode.LeftControl, KeyCode.E);
    void Update()
    {
        if(mKey.ClickKey()) {Debug.Log("Click");}          
    }
}