title: BabylonJs target object disappears
body: <p>In BabylonJs , if a camera is positioned at a certain distance from an object, so that its distance is proportional to the object's size, the overall scene should be roughly the same.</p>
  
  <p>I created this simple test (can be copied and pasted into <a href="http://www.babylonjs-playground.com/" rel="nofollow">http://www.babylonjs-playground.com/</a> to be run), that produces a scene with a sphere of size 1000, seen from a camera positioned at (0, 0, 10000):</p>
  
  <pre><code>var createScene = function () {
  
      // This creates a basic Babylon Scene object (non-mesh)
      var scene = new BABYLON.Scene(engine);
  
      // This creates and positions a free camera (non-mesh)
      var camera = new BABYLON.FreeCamera("camera", new BABYLON.Vector3(0, 0, 10000), scene);
  
      // This targets the camera to scene origin
      camera.setTarget(BABYLON.Vector3.Zero());
  
      // This attaches the camera to the canvas
      camera.attachControl(canvas, true);
  
      // This creates a light, aiming 0,1,0 - to the sky (non-mesh)
      var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(1, -1, -1), scene);
  
      // Default intensity is 1. Let's dim the light a small amount
      light.intensity = 0.7;
  
      // Our built-in 'sphere' shape. Params: name, subdivs, size, scene
      var sphere = BABYLON.Mesh.CreateSphere("Sphere", 16, 1000, scene);  
  
      return scene;
  };
  </code></pre>
  
  <p>Note that if the size of the sphere is reduced to 100 and the distance of the camera is reduced accordingly (so the camera is positioned at (0, 0, 1000)), the scene looks still the same.</p>
  
  <p>If the experiment is repeated reducing by another factor, that is, size of the sphere reduced to 10 and camera positioned to (0, 0, 100), still nothing changes.</p>
  
  <p>So far, so good. But if I attempt to increase the size of the sphere and the distance, then everything disappears: if the size of the sphere is 10000 and camera positioned to (0, 0, 100000), the scene looks empty. Why? Is it possible to change this behavior? How? What am I missing?</p>
  
  <p>Thanks!</p>