HTML5 Canvas Set Line Join with KineticJS

To set the line join for a shape with KineticJS, we can set the lineJoin property when we instantiate a shape, or we can use the setLineJoin() method. The lineJoin property can be set to miter, bevel, or round. Unless otherwise specified, the default line join is miter.

Instructions: Mouseover the pentagon to change the line join style.

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Code Editor

<!DOCTYPE HTML>
<html>
  <head>
    <style>
      body {
        margin: 0px;
        padding: 0px;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v4.5.1.min.js"></script>
    <script defer="defer">
      var stage = new Kinetic.Stage({
        container: 'container',
        width: 578,
        height: 200
      });
      var layer = new Kinetic.Layer();

var triangle = new Kinetic.RegularPolygon({
        x: stage.getWidth() / 2,
        y: stage.getHeight() / 2,
        sides: 3,
        radius: 70,
        fill: 'red',
        stroke: 'black',
        strokeWidth: 20,
        lineJoin: 'bevel'
      });

triangle.on('mouseover', function() {
        this.setLineJoin('round');
        layer.draw();
      });

triangle.on('mouseout', function() {
        this.setLineJoin('bevel');
        layer.draw();
      });
      // add the shape to the layer, and then the layer to stage
      stage.add(layer.add(triangle));

</script>
  </body>
</html>

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Modified on April 9th, 2013 by Eric Rowell