Trigonometry for Games

Trigonometry is a tool for animation and of great general utility.  With it, you can make a character glow, rotate an image, find the distance between objects and determine whether two objects have collided.  It took me a long time to wrap my head around trigonometry.  It really isn’t that difficult and once you understand what you can do with it, it becomes a tool in your toolbox you will constantly use.
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