5
Math Primer:
Trigonometry 101
Many designers’ eyes glaze over and they throw up their hands at the mere mention of trigonometry. Typically one hears exasperated expressions such as, “I can’t do math,” or “trig is too hard,” or “it’s all so abstract.” If you are one of those people, then we have some good news for you. You won’t have to get involved with a lot of math, because ActionScript is going to take care of that for you. Once you get your feet wet, you’ll find that you keep using much of the same stuff over and over. And rather than being abstract, drawing a rough sketch of what you need or want usually leads you to the solution.
This chapter is broken down into the basic concepts that you will need, with some examples that demonstrate ...
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