Cannon Ball (Dukebot)

This is a prototype of the game idea ive had. Balls spawning from the right and we have to detroy them using a Cannon with 2D physics. We can also adquire power ups that will grant us some fire power during some time.To complete a level we have to survive 1 minute without allowing the balls going to the left side of the screen. Each time a ball reaches the left edge of the screen, we lose one life. Player starts with 3 lives each game and they are represented by hearts at the top left corner. An...