鼠标单击相对于场景而不是窗口的位置 [英] Position of mouse click relative to scene, not window

问题描述

在我的游戏中，我需要使用鼠标来选择单位.

In my game I need to use the mouse to select units.

但是，我遇到了一些问题，因为我不知道如何获取相对于游戏而非窗口的点击坐标.

However, I am encountering problems as I do not know how to get the coordinates of the click relative to the game, not to the window.

例如，如果单元1位于游戏的(0,0)点，则取决于我平移和缩放窗口的方式，它可能位于窗口的任何点，但是我希望鼠标单击返回( 0,0)，无论我如何移动窗口，只要单击同一位置即可.

For example, if Unit 1 is at the (0,0) point of the game, it could be at any point on the window depending on how I pan and zoom the window, but I want the mouse click to return (0,0) no matter how I move the window as long as I click on the same spot.

现在我正在使用:

override func mouseDown(with event: NSEvent) {
    eventPos = event.location(in: self)
    ...
}

(其余代码与鼠标单击位置无关).

(The rest of the code does not matter for the mouse click location).

所有内容都在GameScene(即SKScene)中.那么如何获得鼠标单击相对于GameScene的位置?

This is all inside a GameScene, which is an SKScene. So how do I get the location relative to the GameScene of the mouse click?

推荐答案

您需要将点从视图转换为场景坐标:

You need convert your point from view to scene coordinates:

eventPos = view!.convert(event.locationInWindow, to: view!.scene!)

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