Difference between revisions of "Fill the intersection area of three circles"
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| Line 1: | Line 1: | ||
<jsxgraph width="600" height="600"> | <jsxgraph width="600" height="600"> | ||
JXG.joinCurves = function(board, parents, attributes) { | JXG.joinCurves = function(board, parents, attributes) { | ||
| − | var | + | var curves = parents, |
| − | |||
| − | |||
attr = JXG.copyAttributes(attributes, board.options, 'curve'), | attr = JXG.copyAttributes(attributes, board.options, 'curve'), | ||
c = board.create('curve', [[0], [0]], attr); | c = board.create('curve', [[0], [0]], attr); | ||
c.updateDataArray = function() { | c.updateDataArray = function() { | ||
| + | var i, le = curves.length; | ||
// The three paths have to be connected | // The three paths have to be connected | ||
| − | this.dataX = | + | this.dataX = []; |
| − | + | this.dataY = []; | |
| − | + | for (i = 0; i < le; i++) { | |
| + | if (i < le - 1) { | ||
| + | this.dataX = this.dataX.concat(curves[i].dataX.slice(0,-1)); | ||
| + | this.dataY = this.dataY.concat(curves[i].dataY.slice(0,-1)); | ||
| + | } else { | ||
| + | this.dataX = this.dataX.concat(curves[i].dataX); | ||
| + | this.dataY = this.dataY.concat(curves[i].dataY); | ||
| + | } | ||
| + | } | ||
| + | |||
if (this.dataX.length<4) { | if (this.dataX.length<4) { | ||
this.bezierDegree = 1; | this.bezierDegree = 1; | ||
