title: How do i make a function to switch between two models when a keyboard button is pressed?
body: <p>I'm wanting to make a function to display two models and switch between the two when a button on the keyboard is pressed.</p>
  
  <p>I've got one of the model's into the website but want to be able to switch between the two, any help will be greately appreciated.</p>
  
  <p>The code for the first model can be seen below.</p>
  
  <pre><code>var loader = new THREE.ColladaLoader();
          loader.load('blood.DAE', function (collada) {
  
              object = collada.scene;
              object.position.x = 0;
              object.position.y = 0;
              object.position.z = 0;
              object.updateMatrix();
              scene.add(object);
              }
              );
  </code></pre>