usky-oa-v6.0
/
jnpf-web-datascreen-vue3-v6.x


			
				
					
						
						
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							<!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>