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【转载】unity中各种双击的实现

原文地址：http://blog.csdn.net/ycl295644/article/details/46816699

鼠标的双击 复制代码

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function OnGUI(){ 
    if(Event.current.isMouse && Event.current.type == EventType.MouseDown && Event.current.clickCount == 2){ 
        print("double click"); 
    } 
}
上面是双击屏幕的事件，假如想双击某个物体 

复制代码
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private var b = false; 
function OnGUI(){ 
    if(Event.current.isMouse && Event.current.type == EventType.MouseDown && Event.current.clickCount == 2){ 
        if(b){ 
            print("double click " + transform.name); 
        } 
    } 
} 
function OnMouseEnter(){ 
    b = true; 
} 
function OnMouseExit(){ 
    b =false; 
}
意思就是，当鼠标进入你想点击的物体后，双击才有效果，否则鼠标未进入物体，或者exit时，b = false，双击无效果。 
移动设备上触屏的双击 
复制代码
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private var t1:double; 
private var t2:double; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        t2 = Time.realtimeSinceStartup; 
        if(t2 - t1 < 0.2){ 
            print("double click"); 
        } 
        t1 = t2; 
    } 
}
移动端GetMouseButtonDown是有效果的，所以这样利用t1，t2,记录两次单击的时间间隔，假如小于0.2s，则被判断为双击。 
同样，移动端点击某一确定物体的双击事件 
复制代码
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private var t1:double; 
private var t2:double; 
public var cam:Camera; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        var ray:Ray = cam.ScreenPointToRay(Input.mousePosition); 
        var hit:RaycastHit; 
        if(Physics.Raycast(ray,hit)){ 
            if(hit.transform.name == gameObject.transform.name){ 
                t2 = Time.realtimeSinceStartup; 
                if(t2 - t1 < 0.2){ 
                    print("double click " + transform.name); 
                } 
                t1 = t2; 
            } 
        } 
    } 
}
对于上面t1和t2可以定义为System.DateTime类型，这样t2 = System.DateTime.Now;相减后用TimeSpan.如下： 
复制代码
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private var t1:System.DateTime; 
private var t2:System.DateTime; 
public var cam:Camera; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        var ray:Ray = cam.ScreenPointToRay(Input.mousePosition); 
        var hit:RaycastHit; 
        if(Physics.Raycast(ray,hit)){ 
            if(hit.transform.name == gameObject.transform.name){ 
                t2 = System.DateTime.Now; 
                if(t2 - t1 < System.TimeSpan(0,0,0,0,200)){ 
                    print("double click " + transform.name); 
                } 
                t1 = t2; 
            } 
        } 
    } 
}
最后是，关于GUI的双击，原理都类似： 复制代码
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private var b = false; 
private var t = 0.0; 
function OnGUI(){ 
    if(GUI.Button(Rect(10,10,80,50),"click me")){ 
        t = Time.time; 
        if(b){ 
            print("it's doublic click"); 
            b = false; 
        }else{ 
            b = true; 
        } 
    } 
} 
      
function FixedUpdate(){ 
    if(t + 0.2 < Time.time){ 
        b = false; 
    } 
}

 

转载：http://game.ceeger.com/forum/read.php?tid=19009&fid=2

 

鼠标的双击 复制代码
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5
function OnGUI(){ 
    if(Event.current.isMouse && Event.current.type == EventType.MouseDown && Event.current.clickCount == 2){ 
        print("double click"); 
    } 
}
上面是双击屏幕的事件，假如想双击某个物体 
复制代码
1
2
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private var b = false; 
function OnGUI(){ 
    if(Event.current.isMouse && Event.current.type == EventType.MouseDown && Event.current.clickCount == 2){ 
        if(b){ 
            print("double click " + transform.name); 
        } 
    } 
} 
function OnMouseEnter(){ 
    b = true; 
} 
function OnMouseExit(){ 
    b =false; 
}
意思就是，当鼠标进入你想点击的物体后，双击才有效果，否则鼠标未进入物体，或者exit时，b = false，双击无效果。 
移动设备上触屏的双击 
复制代码
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private var t1:double; 
private var t2:double; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        t2 = Time.realtimeSinceStartup; 
        if(t2 - t1 < 0.2){ 
            print("double click"); 
        } 
        t1 = t2; 
    } 
}
移动端GetMouseButtonDown是有效果的，所以这样利用t1，t2,记录两次单击的时间间隔，假如小于0.2s，则被判断为双击。 
同样，移动端点击某一确定物体的双击事件 
复制代码
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private var t1:double; 
private var t2:double; 
public var cam:Camera; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        var ray:Ray = cam.ScreenPointToRay(Input.mousePosition); 
        var hit:RaycastHit; 
        if(Physics.Raycast(ray,hit)){ 
            if(hit.transform.name == gameObject.transform.name){ 
                t2 = Time.realtimeSinceStartup; 
                if(t2 - t1 < 0.2){ 
                    print("double click " + transform.name); 
                } 
                t1 = t2; 
            } 
        } 
    } 
}
对于上面t1和t2可以定义为System.DateTime类型，这样t2 = System.DateTime.Now;相减后用TimeSpan.如下：
复制代码
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private var t1:System.DateTime; 
private var t2:System.DateTime; 
public var cam:Camera; 
function Update(){ 
    if(Input.GetMouseButtonDown(0)){ 
        var ray:Ray = cam.ScreenPointToRay(Input.mousePosition); 
        var hit:RaycastHit; 
        if(Physics.Raycast(ray,hit)){ 
            if(hit.transform.name == gameObject.transform.name){ 
                t2 = System.DateTime.Now; 
                if(t2 - t1 < System.TimeSpan(0,0,0,0,200)){ 
                    print("double click " + transform.name); 
                } 
                t1 = t2; 
            } 
        } 
    } 
}
最后是，关于GUI的双击，原理都类似： 复制代码
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private var b = false; 
private var t = 0.0; 
function OnGUI(){ 
    if(GUI.Button(Rect(10,10,80,50),"click me")){ 
        t = Time.time; 
        if(b){ 
            print("it's doublic click"); 
            b = false; 
        }else{ 
            b = true; 
        } 
    } 
} 
      
function FixedUpdate(){ 
    if(t + 0.2 < Time.time){ 
        b = false; 
    } 
}
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转载于:https://www.cnblogs.com/cokefenta/p/6668971.html

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