Rolling circle on line: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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var C = brd.create('point',[0,2],{name:'C'}); | var C = brd.create('point',[0,2],{name:'C'}); | ||
var circle = brd.create('curve',[ | var circle = brd.create('curve',[ | ||
function(t){var d = P.Dist(C); | function(t){var d = P.Dist(C), | ||
beta = JXG.Math.Geometry.rad([C.X()+1,C.Y()],C,P); | |||
t += beta; | |||
return C.X()+d*Math.cos(t); | return C.X()+d*Math.cos(t); | ||
}, | }, | ||
function(t){var d = P.Dist(C); | function(t){var d = P.Dist(C), | ||
beta = JXG.Math.Geometry.rad([C.X()+1,C.Y()],C,P); | |||
t += beta; | |||
return C.Y()+d*Math.sin(t); | return C.Y()+d*Math.sin(t); | ||
}, | }, |