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74 lines
1.4 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf8" />
<title>drawAllGraph</title>
<style>
html, body, #canvas {
width: 100%;
height: 100%;
margin: 0px;
padding: 0px;
}
</style>
<script src="../../dist/crender.map.js"></script>
</head>
<body>
<canvas id="canvas"></canvas>
</body>
<script>
const { CRender, extendNewGraph } = window.CRender
const render = new CRender(document.querySelector('#canvas'))
const [w, h] = render.area
function randomNum (minNum, maxNum) {
switch (arguments.length) {
case 1:
return parseInt(Math.random() * minNum + 1, 10)
case 2:
return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10)
default:
return 0
}
}
const circles = new Array(100).fill(0).map(foo => render.add({
name: 'circle',
shape: {
rx: randomNum(0, w),
ry: randomNum(0, h),
r: 10
},
style: {
fill: '#ffee97',
stroke: 'goldenrod',
lineWidth: 2
}
}))
function wait (time) {
return new Promise(resolve => setTimeout(resolve, time))
}
async function start () {
await wait(1000)
render.clearArea()
await wait(1000)
render.drawAllGraph()
}
start()
</script>
</html>