當釋放時保持按下鼠標向下做一些UI帆布按鈕做一些事情

Question

public void application() // function when the mouse only find the ui canvas button 
{ 
    // when the mouse find only canvas button and when clicked then do something else stop 

    if (Input.GetButton("Fire1")) 
    { 
     print("button pressed"); 
    } 
    else { 
     print("button released"); 
    } 
} 

Answer 1

當UI系統打交道時，你應該使用IPointerXXXX接口：

public class MyClass: MonoBehaviour, IPointerUpHandler{ 

    public void OnPointerUp(PointerEventData eventData) 
    { 
     throw new NotImplementedException(); 
    } 
}