UNITY 触摸位置到世界位置 2D [英] UNITY touch position to world position 2D

问题描述

如何将触摸位置(在手机上)转换为世界位置.例如，如果我手机的屏幕尺寸是 1440 x 2560，而我在手机上的触摸位置是 X 600 Y 700.我如何才能将该位置转换为统一的世界位置?

How can I transform the touch position (On phones) to world position. For instance if my phone's screen size is 1440 by 2560 and my touch position on the phone is X 600 Y 700. How can I transform that position to world position on unity?

我需要它，这样我才能知道用户将手指放在哪里.

I need that so I can know where the user put his finger.

推荐答案

已经有一种方法可以为您做到这一点.看看 Camera.ScreenToWorldPoint.

There is a method that already does that for you. Have a look at Camera.ScreenToWorldPoint.

一旦您有了所需相机的参考，您就可以像这样使用它:

Once you have a reference to the desired camera you can use it like this:

Vector2 touchPos = Input.touches[0].position;

Vector3 touchPosinWorldSpace = camera.ScreenToWorldPoint(new Vector3(touchPos.x, touchPos.y, camera.nearClipPlane));

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