MidpointLineDrawing/pointsAndLines.html at master · EatonWu/MidpointLineDrawing · GitHub

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<html>
<head>
    <title>Real-Time 3D Graphics with WebGL2</title>
    <link rel="shortcut icon" type="image/png" href="/common/images/favicon.png" />

    <!-- libraries -->
    <link rel="stylesheet" href="common/lib/normalize.css">

    <!-- modules -->
    <script type="text/javascript" src="common/js/utils.js"></script>

    <!-- vertex Shader -->
    <script id="vertex-shader" type="x-shader/x-vertex">
        #version 300 es
        precision mediump float;

        // Supplied vertex position attribute
        in vec3 aVertexPosition;

        void main(void) {
          // Simply set the position in clipspace coordinates
          gl_Position = vec4(aVertexPosition, 1.0);
          gl_PointSize = 3.0;
        }
    </script>

    <!-- fragment Shader -->
    <script id="fragment-shader" type="x-shader/x-fragment">
        #version 300 es
        precision mediump float;

        // Color that is the result of this shader
        out vec4 fragColor;

        void main(void) {
          // Set the result as red
          fragColor = vec4(1.0, 0.0, 0.0, 1.0);
        }
    </script>

    <!-- This is the bulk of the actual WebGL stuff -->
    <script type="text/javascript" src="pointAndLineFunctions.js"></script>

</head>

<body>

  <canvas id="webgl-canvas">
    Your browser does not support the HTML5 canvas element.
  </canvas>

</body>
</html>