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en:sin [2016/01/01 22:42] 127.0.0.1 external edit |
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- | ===== Sin (Function) ===== | ||
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- | ==== Format ==== | ||
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- | **sin** ( // | ||
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- | returns // | ||
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- | ==== Description ==== | ||
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- | Computes the sine of // | ||
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- | ==== Note ==== | ||
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- | The sin function does not produce an exact result. | ||
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- | ==== Example ==== | ||
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- | < | ||
- | clg | ||
- | color black | ||
- | # draw a line across the graphic output | ||
- | line 0, | ||
- | # where do we start | ||
- | lastx = 0 | ||
- | lasty = sin(0) * 50 + 150 | ||
- | # now step across the line and draw | ||
- | for x = 0 to 300 step 5 | ||
- | angle = x / 300 * 2 * pi | ||
- | y = sin(angle) * 50 + 150 | ||
- | line lastx, lasty, x, y | ||
- | lastx = x | ||
- | lasty = y | ||
- | next x | ||
- | </ | ||
- | Draws | ||
- | {{sin.jpg|Sine Curve}} | ||
- | |||
- | ==== See Also ==== | ||
- | {{page> | ||