Difference between revisions of "Spirograph - geometric construction"

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Line 5: Line 5:
 
var A = brd.create('point',[1,0],{name:'A'});
 
var A = brd.create('point',[1,0],{name:'A'});
 
var k = brd.create('circle',[O,A],{name:'k'});
 
var k = brd.create('circle',[O,A],{name:'k'});
var B = brd.create('glider',[0.7,1,k],{name:'B'});
+
var B = brd.create('glider',[0.7,1,k],{name:'B drag me'});
 
var g1 = brd.create('line',[O,B], {strokeColor:'lightgray'});
 
var g1 = brd.create('line',[O,B], {strokeColor:'lightgray'});
 
var C = brd.create('reflection',[g1,A],{name:'C', fillColor:'blue', strokeColor:'blue'});
 
var C = brd.create('reflection',[g1,A],{name:'C', fillColor:'blue', strokeColor:'blue'});
Line 16: Line 16:
 
var Cprime = brd.create('parallelpoint',[O,M,C2], {name:"C'", fillColor:'blue', strokeColor:'blue'});
 
var Cprime = brd.create('parallelpoint',[O,M,C2], {name:"C'", fillColor:'blue', strokeColor:'blue'});
 
var g2 = brd.create('line',[M,Cprime], {strokeColor:'lightgray'});
 
var g2 = brd.create('line',[M,Cprime], {strokeColor:'lightgray'});
var Cstern = brd.create('glider',[1,1,g2], {name:"C*", fillColor:'blue', strokeColor:'blue',trace:true});
+
var Cstern = brd.create('glider',[1,1,g2], {name:"C*", trace:true});
  
 
</jsxgraph>
 
</jsxgraph>

Revision as of 18:00, 19 July 2010