libGDX重力和恒定加速度无法正常工作

Question

I am trying to create a simple Flappy Bird clone but in my own way ( so it's not a complete clone ).

However I am having problems applying a constant downwards acceleration to the Bird. When I create a World it says that it gets a gravity variable but that's not gravity I think ? It should say something like velocity because that is all it does. My Bird is falling downwards at a constant speed. And I believe most of you know how gravity works. When I use functions like applyForceTo I basically get the same.

I have already my own simple implementation of gravity but I wanna use libGDX to its fullest and practice with it.

Answer 1

I found the answer myself and the solution is pretty simple. The objects I render, the whole "System" is way too big for Box2D and its properties to make any difference on the display. Everything accelerates accordingly but you can't see it. So I scaled down every object so it had properties of a couple of pixels and adjusted the camera. Now I can get very high accelerations and velocitys.