Turtle Graphics: Difference between revisions

From JSXGraph Wiki
No edit summary
No edit summary
 
Line 104: Line 104:
</textarea>
</textarea>
<input type="button" value="run example 1" onClick="run(1)">  
<input type="button" value="run example 1" onClick="run(1)">  
<jsxgraph width="600" height="600" box="box0">
</source>
</source>



Latest revision as of 07:40, 9 June 2011

This is a very basic implementation of turtle graphics in JavaScript with JSXGraph. CanvasTurtle does the same on browsers which support the canvas element.

Snowflake and Branches Example


References

  • The snowflake and branches example have been adapted from the excellent CanvasTurtle

The turtle graphics code

<form><textarea id="input1" rows=7 cols=35 wrap="off" style="width:300px; float:left;">
turtle code...
</textarea>
<input type="button" value="run example 1" onClick="run(1)">
var brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-300, 300, 300, -300]});
var t = brd.create('turtle');

function run(nr) {
  brd.suspendUpdate();
  eval($('input'+nr).value);
  brd.unsuspendUpdate();
}