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


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf8" />
    <title>Polyline</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

    const topPos = h / 3
    const bottom = h / 3 * 2
    const gap = w / 10

    const beginX = w / 2 - gap * 2

    const points = new Array(5).fill('').map((t, i) =>
      [beginX + gap * i, i % 2 === 0 ? topPos : bottom])

    const pointsAfter = new Array(5).fill('').map((t, i) =>
      [beginX + gap * i, i % 2 === 0 ? bottom : topPos])

    const polyline = render.add({
      name: 'polyline',
      animationCurve: 'easeOutCubic',
      animationFrame: 50,
      drag: true,
      hover: true,
      shape: {
        points
      },
      style: {
        stroke: '#ffee97',
        lineWidth: 30
      }
    })

    function wait (time) {
      return new Promise(resolve => setTimeout(resolve, time))
    }

    async function start () {
      await wait(1000)

      await polyline.animation('shape', {
        points: pointsAfter
      })

      await wait(1000)

      polyline.animation('style', {
        stroke: 'lemonchiffon'
      })
    }

    start()

  </script>
</html>