Circle 圆形

我们可以通过实例化一个 Konva.Circle() 对象创建圆形。

点击 Konva.Circle documentation 查看详细属性和方法说明。

Konva Circle Demoview raw

<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/konva@4.0.18/konva.min.js"></script>
    <meta charset="utf-8" />
    <title>Konva Circle Demo</title>
    <style>
      body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f0f0f0;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <script>
      var width = window.innerWidth;
      var height = window.innerHeight;

      var stage = new Konva.Stage({
        container: 'container',
        width: width,
        height: height
      });

      var layer = new Konva.Layer();

      var circle = new Konva.Circle({
        x: stage.width() / 2,
        y: stage.height() / 2,
        radius: 70,
        fill: 'red',
        stroke: 'black',
        strokeWidth: 4
      });

      // add the shape to the layer
      layer.add(circle);

      // add the layer to the stage
      stage.add(layer);
    </script>
  </body>
</html>