Scrolling – Make It Move Without Making It Move

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I remember when Super Mario Brothers first came out. My cousin was the first person I knew of who had a Nintendo Entertainment System. He had Super Mario Brothers (SMB) and The Legend of Zelda (Zelda). Both games used scrolling but in different ways. SMB had a scrolling background which moved left or right when you moved Mario or Luigi. Zelda, on the other hand, scrolled the screen only when you moved from one screen to the next.
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Really Basic Basics – The Number Line

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When I was working as a programmer for a community college, there was a day when some kids came in to visit. I got the chance to talk to one of them and he was asking about games and how to make them. We got onto the subject of math and how important it is to games. I tried to explain movement to him but I had to start somewhere and that’s the coordinate system. Trying to come up with a way to explain it I decided to go with something everyone out of kindergarten should be familiar with, the number line. When we make 2D games we use a coordinate system which is essentially two number lines which cross each other. The number line is our playground. For 3D games, there’s three number lines and that’s really the main difference.
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