Difference between revisions of "Bearing"

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Line 9: Line 9:
 
var p = brd.create('glider',[-1,0.5,c],{name:'drag me'});  
 
var p = brd.create('glider',[-1,0.5,c],{name:'drag me'});  
 
brd.addHook(function(){
 
brd.addHook(function(){
                   document.getElementById('degrees').value = (Math.atan2(p.X(),ppY())*180/Math.PI).toFixed(1);
+
                   document.getElementById('degrees').value = (Math.atan2(p.X(),p.Y())*180/Math.PI).toFixed(1);
 
             });
 
             });
 
</jsxgraph>
 
</jsxgraph>

Revision as of 18:08, 16 June 2010