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Scratch 2.0 Game Development HOTSHOT by Sergio van Pul, Jessica Chiang

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Creating a parabolic shot

The ball will move upwards in the direction you threw it. At some point it will start to slow down, stop, and then start falling down. The path the ball follows is called a parabola. This is what we expect of gravity. It's always around us, so we don't pay too much attention to it. If you would throw the ball in space, which has no gravity, the ball would move on forever in a straight line, as it does now in our game. On Earth, the ball will move up for a while, then slow down, and eventually fall down again. This movement path is described in the following diagram:

Creating a parabolic shot

In this case, the cannon and cannonball should be on the ...

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