var qcanvas = new Qcanvas({
id: 'qcanvas',
width: 300,
height: 200
});
var polygon = qcanvas.polygon({
r: 30,
num: 6,
start: [100, 100]
})
var shape = qcanvas.shape({
fillColor: '#999',
opacity: 0.3,
points: function() {
return [
[80, 10],
[80, 50],
[150, 70],
[160, 20],
]
}
});