rveciana - basic-gpu-js-canvas-example

Basic gpu.js canvas example

This example shows how to draw a simple Canvas image from the gpu.js library.

More info at this blog post and this interactive ObservableHQ notebook

<!DOCTYPE html>
<meta charset="utf-8">

<body>
<script src="gpu.min.js"></script>
<script>
const gpu = new GPU();

const render = gpu.createKernel(function(x) {
    this.color(this.thread.x/500, this.thread.y/500, x[0], 1);
})
  .setOutput([500, 500])
  .setGraphical(true);

render([0.4]);
const canvas = render.getCanvas();
document.getElementsByTagName('body')[0].appendChild(canvas);
</script>