Programming turtle graphics: Difference between revisions
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* t.setPenColor(col); (col: colorString, e.g. 'red' or '#ff0000') | * t.setPenColor(col); (col: colorString, e.g. 'red' or '#ff0000') | ||
=== | ===Input=== | ||
<html> | <html> | ||
<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | ||
| Line 27: | Line 27: | ||
<input type="button" value="run" onClick="run()"> | <input type="button" value="run" onClick="run()"> | ||
</form> | </form> | ||
</html> | |||
===Output=== | |||
<html> | |||
<div id="box" class="jxgbox" style="width:600px; height:600px;"></div> | <div id="box" class="jxgbox" style="width:600px; height:600px;"></div> | ||
<script language="JavaScript"> | <script language="JavaScript"> | ||
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</script> | </script> | ||
</html> | </html> | ||
===Log window=== | |||
<source lang="javascript"> | |||
</source> | |||
Revision as of 10:25, 21 December 2008
List of available commands
There is a predefined turtle object t. Therefore, all commands start with t, like t.fd(100);
- t.forward(len); or t.fd(len);
- t.back(len); or t.bk(len);
- t.right(angle); or t.rt(angle); ([math]\displaystyle{ 0\leq angle \leq 360 }[/math])
- t.left(angle); or t.lt(angle);
- t.penUp(); or t.pu();
- t.penDown(); or t.pd();
- t.clearScreen(); or t.cs();
- t.clean();
- t.setPos(x,y);
- t.home();
- t.hideTurtle(); or t.ht();
- t.showTurtle(); or t.st();
- t.setPenSize(size); (size: number)
- t.setPenColor(col); (col: colorString, e.g. 'red' or '#ff0000')
Input
Output
