检测精灵是否被触摸的简便方法?

时间:2015-09-30 16:09:14

标签: java libgdx touch sprite

我有两个精灵,他们需要同时触摸,所以我做了两个Vector2 xy和xy1。

//xy = x and y coordinate of pointer 1
//xy1 = x x and y coordinate of pointer 2

//faces is the class for the sprites

 if(xy.x >= faces.faceSpr.getX() && xy.x <= faces.faceSpr.getX() + faces.faceSpr.getWidth() &&               //detecting if xy and xy1 are inside the sprites
                    xy.y >= faces.faceSpr.getY() && xy.y <= faces.faceSpr.getY() + faces.faceSpr.getHeight() &&         //*
                    xy1.x >= faces.faceSpr1.getX() && xy1.x <= faces.faceSpr1.getX() + faces.faceSpr1.getWidth() &&     //*
                    xy1.y >= faces.faceSpr1.getY() && xy1.y <= faces.faceSpr1.getY() + faces.faceSpr1.getHeight())      //*
                score += 1;
            else if(xy1.x >= faces.faceSpr.getX() && xy1.x <= faces.faceSpr.getX() + faces.faceSpr.getWidth() &&        //*
                    xy1.y >= faces.faceSpr.getY() && xy1.y <= faces.faceSpr.getY() + faces.faceSpr.getHeight() &&       //*
                    xy.x >= faces.faceSpr1.getX() && xy.x <= faces.faceSpr1.getX() + faces.faceSpr1.getWidth() &&       //*
                    xy.y >= faces.faceSpr1.getY() && xy.y <= faces.faceSpr1.getY() + faces.faceSpr1.getHeight()) 

我还没有测试过这段代码是否有效,是否有更简单,更好的方法呢?

编辑:

我尝试使用getBoundingRectangle()方法但它可以正常工作,但我在设置它的位置时遇到了问题。

sprite.getBoundingRectangle().setPosition(x,y);
// then I check if it works
System.out.println(sprite.getBoundingRectangle().getPostion);

但结果总是0.0,0.0

1 个答案:

答案 0 :(得分:1)

解决方案很简单。获取它的矩形并进行包含调用。

sprite.getBoundingRectangle().contains(new Vector2D(touch.x,touch.y)); //or
sprite.getBoundingRectangle().contains(touch.x, touch.y); //

确保您取消投影正确。