Jumping demo

The jumping action is fairly smooth (not the same speed up then sudden change to same speed down that's often seen!) but as said already - it's a flying penguin, and they shouldn't exist! Or should they? You can also get stuck half way in the bricks if you enter them from the side.

The flying effect is something that I did as well when I recorded the 'jumping' demo video. You need to add a check so that you only jump when space is pressed *and you are on ground*. (Essentially: you cannot jump more while you're already in the air...)