scratch-render
WebGL Renderer for Scratch 3.0
Last updated a month ago by scratch .
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scratch-render

WebGL-based rendering engine for Scratch 3.0

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Installation

npm install https://github.com/LLK/scratch-render.git

Setup

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Scratch WebGL rendering demo</title>
    </head>

    <body>
        <canvas id="myStage"></canvas>
        <canvas id="myDebug"></canvas>
    </body>
</html>
var canvas = document.getElementById('myStage');
var debug = document.getElementById('myDebug');

// Instantiate the renderer
var renderer = new require('scratch-render')(canvas);

// Connect to debug canvas
renderer.setDebugCanvas(debug);

// Start drawing
function drawStep() {
    renderer.draw();
    requestAnimationFrame(drawStep);
}
drawStep();

// Connect to worker (see "playground" example)
var worker = new Worker('worker.js');
renderer.connectWorker(worker);

Standalone Build

npm run build
<script src="/path/to/render.js"></script>
<script>
    var renderer = new window.RenderWebGLLocal();
    // do things
</script>

Testing

npm test

Donate

We provide Scratch free of charge, and want to keep it that way! Please consider making a donation to support our continued engineering, design, community, and resource development efforts. Donations of any size are appreciated. Thank you!

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