backup.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Babylon.js Game Example</title>
    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
    <style>
        canvas {
            width: 100%;
            height: 100%;
            touch-action: none;
        }
    </style>
</head>
<body>
    <canvas id="renderCanvas"></canvas>
    <script>
        window.addEventListener('DOMContentLoaded', function () {
            var canvas = document.getElementById('renderCanvas');
            var engine = new BABYLON.Engine(canvas, true);

            var createScene = function () {
                var scene = new BABYLON.Scene(engine);

                // Create a camera
                var camera = new BABYLON.ArcRotateCamera("Camera", 0, 0, 10, BABYLON.Vector3.Zero(), scene);

                // Create a light
                var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene);

                // Create a sphere
                var sphere = BABYLON.MeshBuilder.CreateSphere("sphere", {diameter: 2}, scene);

                // Add some texture to the sphere
                var material = new BABYLON.StandardMaterial("texture", scene);
                material.diffuseTexture = new BABYLON.Texture("https://www.babylonjs-playground.com/textures/grass.jpg", scene);
                sphere.material = material;

                // Animate the sphere
                var animation = new BABYLON.Animation("myAnimation", "position.x", 30, BABYLON.Animation.ANIMATIONTYPE_FLOAT, BABYLON.Animation.ANIMATIONLOOPMODE_CYCLE);
                var keys = [];
                keys.push({frame: 0, value: 0});
                keys.push({frame: 100, value: 10});
                animation.setKeys(keys);
                sphere.animations.push(animation);
                scene.beginAnimation(sphere, 0, 100, true);

                return scene;
            }

            var scene = createScene();

            engine.runRenderLoop(function () {
                scene.render();
            });

            window.addEventListener('resize', function () {
                engine.resize();
            });
        });
    </script>
</body>
</html>