Spirograph - geometric construction: Difference between revisions

From JSXGraph Wiki
No edit summary
No edit summary
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 16:00, 19 July 2010