Bitmap/Bresenham's line algorithm: Difference between revisions
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=={{header|AutoIt Script}}== |
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<lang AutoHotkey>Local $var = drawBresenhamLine(2, 3, 2, 6) |
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Func drawBresenhamLine($iX0, $iY0, $iX1, $iY1) |
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Local $iDx = Abs($iX1 - $iX0) |
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Local $iSx = $iX0 < $iX1 ? 1 : -1 |
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Local $iDy = Abs($iY1 - $iY0) |
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Local $iSy = $iY0 < $iY1 ? 1 : -1 |
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Local $iErr = ($iDx > $iDy ? $iDx : -$iDy) / 2, $e2 |
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While $iX0 <= $iX1 |
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ConsoleWrite("plot( $x=" & $iX0 & ", $y=" & $iY0 & " )" & @LF) |
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If ($iX0 = $iX1) And ($iY0 = $iY1) Then Return |
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$e2 = $iErr |
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If ($e2 > -$iDx) Then |
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$iErr -= $iDy |
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$iX0 += $iSx |
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EndIf |
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If ($e2 < $iDy) Then |
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$iErr += $iDx |
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$iY0 += $iSy |
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EndIf |
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WEnd |
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EndFunc ;==>drawBresenhamLine</lang> |
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=={{header|BASIC}}== |
=={{header|BASIC}}== |
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