Android的ImageView的碰撞检测？ [英] Android ImageView Collision Detection?

问题描述

我想做出点什么，当两个ImageViews彼此相交。这是code，我用：

I'm trying to make something happen when two ImageViews intersect each other. This is the code that I used:

Rect rect1 = new Rect();
imageView.getHitRect(rect1);
Rect rect4 = new Rect();
imageView2.getHitRect(rect4);

boolean collision = false; 
collision = rect1.intersect(rect4);
if(collision = true){
    button.setText("collided"); 
}else
    button.setText("not collided"); 

不过，布尔刚换到真正的应用程序启动时。第一ImageView的保持静止，而另一移向第一个（它不是一个子画面，但它的动作中的第一个的ImageView的方向和移动经过它）。我想布尔值，当两个ImageViews相交改变。有我丢失的东西？

However, the boolean just changed to true when the app starts. The first ImageView stays still while the other moves towards the first one (it's not a sprite, but it moves in the direction of the first ImageView and moves past it). I want the boolean to change when the two ImageViews intersect. Is there something I'm missing?

推荐答案

试试这个：

 Rect rc1 = new Rect();
 imageView1.getDrawingRect(rc1);
 Rect rc2 = new Rect();
 imageView2.getDrawingRect(rc2);
 if (Rect.intersects(rc1, rc2) {
   // intersection is detected
   // here is your method call
 }

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