Mutually dependent line and gliders: Difference between revisions

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Line 12: Line 12:
var gl1 = board.create('glider', [0,0, el0], {name:'b'});
var gl1 = board.create('glider', [0,0, el0], {name:'b'});
var gl2 = board.create('glider', [1,0, el1], {name:'a'});
var gl2 = board.create('glider', [1,0, el1], {name:'a'});
var line = board.create('line', [0,0,1]);
var line = board.create('line', [gl1, gl2]);
 
line.draggable = function() { return true; };


var offset = gl2.Y() - gl1.Y();
var offset = gl2.Y() - gl1.Y();
Line 22: Line 22:
gl2.on('drag', function() {
gl2.on('drag', function() {
     offset = gl2.Y() - gl1.Y();
     offset = gl2.Y() - gl1.Y();
    var v = JXG.Math.crossProduct(gl1.coords.usrCoords,gl2.coords.usrCoords);
    line.stdform.splice(0,3,v);
   
     });
     });




</jsxgraph>
</jsxgraph>

Revision as of 08:08, 1 June 2012

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