HTML/CSS - Custom 3D engine demo Online Editor and JavaScript Compiler

html

<!DOCTYPE html>
<html>
    <head>
        <title>WebGL-Engine Demo</title>
        
        <script src=https://dl.dropbox.com/s/z05jhjg3o613cf7/gl-matrix.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/h6kscm4b9q3oalx/webGL_settings.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/u76s0ckb0g0rwq4/webGL_vector.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/gq5nm2fq7zhb5xd/webGL_input.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/09fw9ft2wnzdneo/webGL_loaders.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/vtmanrjncbmi2wx/webGL_lighting.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/wtwghdh1et2mcl8/webGL_shaders.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/45w6v7z7hvt90tz/webGL_geometry.json?dl=0></script>
        <script src=https://dl.dropbox.com/s/im4xkv4zxeplwbv/webGL_camera.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/wcdncg2j36myoev/webGL_canvas.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/67lzg74t4fw6x5j/webGL_geometry.js?dl=0></script>
        <script src=https://dl.dropbox.com/s/nfchu3knl02thlm/webGL_render.js?dl=0></script>
        
    </head>
    <body>
        <span id=fpsCount></span>
    </body>
</html>

css

var offset  = 0;
var boxes   = [];
var grid    = 13;
onload = function() {
    fpsCount     = document.querySelector('#fpsCount');
    webGL         = new WebGL();
    webGL.camera.location = new Vector3D(-14, 11, -14);
    webGL.useShader(SHADERS.PER_FRAGMENT_LIGHTING);
        
    texture1 = Loader.loadTexture('https://dl.dropbox.com/s/k9afylhzih45j69/MetalFloor.jpg?dl=0');
    for(var i = 0; i < grid; i++) {
        boxes.push([]);
        for(var j = 0; j < grid; j++) {
            boxes[i].push(
                new Box({
                    texture: texture1,
                    location: new Vector3D(i - grid / 2 + 0.5, 0, j - grid / 2 + 0.5),
                    shininess: 1
                })
            );
        }
    }
    center = new Vector3D(0, 4, 0);
    webGL.camera.track(center);
    draw();

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