Difference between revisions of "Koch curve"

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Line 4: Line 4:
 
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
 
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
 
<form><textarea id="inputtext" rows=10 cols=35 wrap="off" style="width:600px;">
 
<form><textarea id="inputtext" rows=10 cols=35 wrap="off" style="width:600px;">
c = 0;
 
 
function koch(x,level) {
 
function koch(x,level) {
 
     if (level<1) {
 
     if (level<1) {
 
         t.fd(x);
 
         t.fd(x);
        c++;
 
 
     } else {
 
     } else {
 
         koch(x/3,level-1);
 
         koch(x/3,level-1);
Line 25: Line 23:
 
t.rt(90);
 
t.rt(90);
 
koch(400,7);
 
koch(400,7);
alert(c);
 
 
          
 
          
 
</textarea><br />
 
</textarea><br />

Revision as of 17:22, 25 March 2009


References

Source code

function koch(x,level) {
    if (level<1) {
        t.fd(x);
    } else {
        koch(x/3,level-1);
        t.lt(60);
        koch(x/3,level-1);
        t.rt(120);
        koch(x/3,level-1);
        t.lt(60);
        koch(x/3,level-1);
    }
}

t.cs();
t.hideTurtle();
t.setPos(-250,0);
t.rt(90);
koch(400,7);