I have a ball sprite and I apply physics to it when the user swipes on it. I'd like the ball to start moving in the direction of the swipe, similarly to how Paper Toss works. How can I do this?
I'm doing a game where one component is that you turn a knob. I'm having trouble getting good "knob behavior". I know the current touch/mouse X,Y location, and I keep track of the previous X,Y ...