Creating objects that use physics

There's a trend in video games where developers create products that are less games than play areas; worlds and simulators in which a player may or may not be given an objective and it wouldn't matter either way. These games can take on a life of their own; Minecraft is essentially a virtual game of building blocks and yet has become a genre of its own, literally making its creator, Markus Persson (also known as Notch), a billionaire in the process. While it is difficult to create, the fun in games such as Minecraft is designed by the player. If you give a player a set of tools or objects to play with, you may end up seeing an outcome you hadn't initially thought of and that's a good thing. The reason why I have mentioned all of this is to show you how it ties to GameMaker and what we can do with it. In a sense, GameMaker is a lot like Minecraft. It is a set of tools, such as the physics engine we're about to use, that the user...