File: hoverLayer.html

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node-zrender 5.4.1%2Bdfsg-2
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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Progressive</title>
    <script src="../dist/zrender.js"></script>
</head>
<body>
    <style>
        html, body, #main {
            width: 100%;
            height: 100%;
            background: red;
        }
    </style>
    <div id="main"></div>
    <script type="text/javascript">
        // 初始化zrender
        var zr = zrender.init(document.getElementById('main'));

        var x1 = Math.random() * 2;
        var y1 = Math.random() * zr.getHeight();
        var cpx1 = Math.random() * zr.getWidth();
        var cpy1 = Math.random() * zr.getHeight();
        var x2 = Math.random() * zr.getWidth();
        var y2 = Math.random() * zr.getHeight();
        for (var i = 0; i < 10000; i++) {
            x1 += (Math.random() - 0.5) * 10;
            y1 += (Math.random() - 0.5) * 10;
            cpx1 += (Math.random() - 0.5) * 10;
            cpy1 += (Math.random() - 0.5) * 10;
            x2 += (Math.random() - 0.5) * 10;
            y2 += (Math.random() - 0.5) * 10;
            var checkpoint = !(i % 2000);
            var checkpointIdx = Math.round(i / 2000);
            var el;
            zr.add(el = new zrender.BezierCurve({
                shape: {
                    x1: x1,
                    y1: y1,
                    cpx1: cpx1,
                    cpy1: cpy1,
                    x2: x2,
                    y2: y2
                },
                style: {
                    lineWidth: 0.5,
                    opacity: 0.1,
                    stroke: 'rgb(' + [
                        Math.round(255 * checkpointIdx / 5),
                        Math.round(255 * checkpointIdx / 5),
                        Math.round(255 * checkpointIdx / 5)
                    ].join(',') + ')'
                }
            }));

            el.on('mouseover', function () {
                zr.addHover(this, {
                    stroke: 'yellow',
                    lineWidth: 10,
                    opacity: 1
                });
                zr.refresh();
            });
            el.on('mouseout', function () {
                zr.removeHover(this);
            });
        }
    </script>
</body>
</html>