babylonjs note 04 Setup Your First Web App

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structure of your code

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


  // Add a camera to the scene and attach it to the canvas
  // Add a lights to the scene


  //Your Code


  return scene;
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Babylon Template</title>


    <style>
      html,
      body {
        overflow: hidden;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
      }


      #renderCanvas {
        width: 100%;
        height: 100%;
        touch-action: none;
      }
    </style>


    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
    <script src="https://code.jquery.com/pep/0.4.3/pep.js"></script>
  </head>


  <body>
    <canvas id="renderCanvas" touch-action="none"></canvas>
    <!-- touch-action="none" for best results from PEP -->


    <script>
      const canvas = document.getElementById("renderCanvas"); // Get the canvas element
      const engine = new BABYLON.Engine(canvas, true); // Generate the BABYLON 3D engine


      // Add your code here matching the playground format


      const scene = createScene(); //Call the createScene function


      // Register a render loop to repeatedly render the scene
      engine.runRenderLoop(function () {
        scene.render();
      });


      // Watch for browser/canvas resize events
      window.addEventListener("resize", function () {
        engine.resize();
      });
    </script>
  </body>
</html>

loads a box model into an app eg:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Babylon Template</title>

    <style>
      html,
      body {
        overflow: hidden;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
      }

      #renderCanvas {
        width: 100%;
        height: 100%;
        touch-action: none;
      }
    </style>

    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
    <script src="https://code.jquery.com/pep/0.4.3/pep.js"></script>
  </head>

  <body>
    <canvas id="renderCanvas" touch-action="none"></canvas>
    <!-- touch-action="none" for best results from PEP -->

    <script>
      const canvas = document.getElementById("renderCanvas"); // Get the canvas element
      const engine = new BABYLON.Engine(canvas, true); // Generate the BABYLON 3D engine

      // Add your code here matching the playground format
      const createScene = function () {
        const scene = new BABYLON.Scene(engine);

        BABYLON.SceneLoader.ImportMeshAsync("", "https://assets.babylonjs.com/meshes/", "box.babylon");

        const camera = new BABYLON.ArcRotateCamera("camera", -Math.PI / 2, Math.PI / 2.5, 15, new BABYLON.Vector3(0, 0, 0));
        camera.attachControl(canvas, true);
        const light = new BABYLON.HemisphericLight("light", new BABYLON.Vector3(1, 1, 0));

        return scene;
      };

      const scene = createScene(); //Call the createScene function

      // Register a render loop to repeatedly render the scene
      engine.runRenderLoop(function () {
        scene.render();
      });

      // Watch for browser/canvas resize events
      window.addEventListener("resize", function () {
        engine.resize();
      });
    </script>
  </body>
</html>

a coded model eg:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Babylon Template</title>

    <style>
      html,
      body {
        overflow: hidden;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
      }

      #renderCanvas {
        width: 100%;
        height: 100%;
        touch-action: none;
      }
    </style>

    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
    <script src="https://code.jquery.com/pep/0.4.3/pep.js"></script>
  </head>

  <body>
    <canvas id="renderCanvas" touch-action="none"></canvas>
    <!-- touch-action="none" for best results from PEP -->

    <script>
      const canvas = document.getElementById("renderCanvas"); // Get the canvas element
      const engine = new BABYLON.Engine(canvas, true); // Generate the BABYLON 3D engine

      // Add your code here matching the playground format
      const createScene = function () {
        const scene = new BABYLON.Scene(engine);

        BABYLON.MeshBuilder.CreateBox("box", {});

        const camera = new BABYLON.ArcRotateCamera("camera", -Math.PI / 2, Math.PI / 2.5, 15, new BABYLON.Vector3(0, 0, 0));
        camera.attachControl(canvas, true);
        const light = new BABYLON.HemisphericLight("light", new BABYLON.Vector3(1, 1, 0));

        return scene;
      };

      const scene = createScene(); //Call the createScene function

      // Register a render loop to repeatedly render the scene
      engine.runRenderLoop(function () {
        scene.render();
      });

      // Watch for browser/canvas resize events
      window.addEventListener("resize", function () {
        engine.resize();
      });
    </script>
  </body>
</html>