I'm currently making a game board and want to be able to move pieces from one tile to another. I'm trying to do this by getting the centerX and centerY of each tile as the user click on it, which would then allow me to move my pieces based off of those values.

我目前正在制作一个游戏板，希望能够将碎片从一个瓷砖移动到另一个瓷砖。我试图通过在用户点击每个磁贴时获得其中心X和中心Y来实现这一点，这将允许我根据这些值移动我的作品。

Here is what I tried:

以下是我尝试过的：

gameBoard.setOnMouseClicked(evt -> {
        Node target = evt.getPickResult().getIntersectedNode();

        if (target != gameBoard) {
            Bounds bounds = target.getBoundsInParent();
            System.out.println("bounds = " + bounds);
            System.out.println("centerX = " + (bounds.getMinX() + bounds.getWidth()/2));
            System.out.println("centerY = " + (bounds.getMinY() + bounds.getHeight()/2));
        }
});

However centerX = and centerY = only print out 25.0, no matter the grid row/column I click on. Any advice?

然而，无论我点击网格行/列，centerX=和centerY=都只打印出25.0。有什么建议吗？

The problem is probably caused by target.getBoundsInParent() this gives you the clicked element bounds in relation to its parent.

问题可能是由target.getBoundsInParent（）引起的，它为您提供了单击的元素相对于其父元素的边界。

The reason why you got the

你为什么得到

centerX = 25.0

and

和

centerY = 25.0

for all the cells is because, if your grid cells are uniform, clicking any cells will give you same dimension and its relative position with its parent.

对于所有单元格，是因为，如果网格单元格是统一的，单击任何单元格都会得到相同的尺寸及其与父单元格的相对位置。

try to convert the local coordinates to your scene coordinates.

尝试将局部坐标转换为场景坐标。

gameBoard.setOnMouseClicked(evt -> {
    Node target = evt.getPickResult().getIntersectedNode();

    if (target != gameBoard) {
        Bounds bounds = target.getBoundsInParent();
        Point2D pointInScene = target.localToScene(bounds.getMinX() + bounds.getWidth() / 2, bounds.getMinY() + bounds.getHeight() / 2);

        System.out.println("bounds = " + bounds);
        System.out.println("centerX in Scene = " + pointInScene.getX());
        System.out.println("centerY in Scene = " + pointInScene.getY());
    }
});