blitz-research
78 lines
1.6 KiB
HTML
78 lines
1.6 KiB
HTML
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<title>Blitz3D Docs</title>
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<link rel=stylesheet href=../css/commands.css type=text/css>
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<h1>ATan# ( t# )</h1>
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<h1>Parameters</h1>
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t = any number.
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It is considered to be the tangent of an angle.
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<h1>Description</h1>
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ATan( t ) is an angle which has tangent = t.
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It is in the range -90 to +90 degrees.
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See also ATan2 for an extended version with 360 degree range.
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<h1><a href=../2d_examples/ATan.bb>Example</a></h1>
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; ATan example
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Const width = 640, height = 480
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Graphics width, height
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Local T#, AT# ; Tan and ATan
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zero# = 0
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Print " T ATan( T )"
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Print "======================="
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; First, an extreme case...
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T# = 1 / zero ; +Infinity
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AT = ATan( T )
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Print RSet(T, 10) + RSet( AT, 11)
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; Now, back to normal usage...
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For n = -10 To 10
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T = Sgn( n ) * n * n
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AT = ATan( T )
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Print RSet(T, 10) + RSet( AT, 11)
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Next
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; Finally, another extreme case.
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T# = -1 / zero ; -Infinity
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AT = ATan( T )
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Print RSet(T, 10) + RSet( AT, 11)
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WaitKey() : End
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</table>
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<br>
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<a target=_top href=../index.htm>Index</a><br>
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<br>
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Click <a href=http://www.blitzbasic.co.nz/b3ddocs/command.php?name=ATan&ref=comments target=_blank>here</a> to view the latest version of this page online</body>
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