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My first suggestion would be to just stick with A = Counter-clockwise and D = Clockwise movement. It is not very confusing and is pretty much the "standard" (i.e. most common) choice when it comes to …

Assuming the rectangle is axis-aligned (not rotated) I believe the simplest solution is to calculate the point on the rectangle that is closest to the center of the circle, then derive the normal from …

You can set linear velocity when you release the movement key. It's as simple as doing body.setLinearVelocity(x, y) then just set the appropriate axis to 0. Example: if (Gdx.input.isKeyPressed(Keys. …

Here's a pseudo-code example based on what I use for my simple 2D game: def load_map(map): for y in range(0, height): for x in range(0, width): tile = map[x, y] for …

I actually had the same problems many years ago when implementing collision detection in Java for my final year project (what a coincidence!). What I did to solve it was to inset the collision boxes b …

It looks like you're using acceleration in a weird way in your engine, so I can't give you a 100% fool-proof answer you can directly implement into your code, but I can take a shot at it. You'd want …

This is because you are only calling Vector3.Lerp or MoveTowards while pos.x < 0.1 || pos.x > 0.9. This means that once the camera moves a little bit pos.x < 0.1 || pos.x > 0.9 won't be true anymore s …

You should probably take a look at Scene2D's Window class. Think of it as a screen that just overlays other screens. It's also a Table, which means you can add buttons or any other Actor to it just li …