libgdx Viewports - Why when I use FitViewport the touch input x and y is not accurate?
Use viewport.unproject() instead of camera.unproject() so the cropping of the FitViewport is taken into acount.
来源：https://stackoverflow.com/questions/38226563/libgdx-viewports-why-when-i-use-fitviewport-the-touch-input-x-and-y-is-not-acc