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HTML

              
                
              
            
!

CSS

              
                html, body, canvas {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}
              
            
!

JS

              
                /**
 * Very simple example rendering pure Three.js HUD on top of
 * a 3D scene.
 *
 * For more info, read the blog post about this experiment:
 * http://www.evermade.fi/pure-three-js-hud/
 * 
 * For more fanciness, follor me on Twitter @jalajoki
 */
document.addEventListener("DOMContentLoaded", function() {

  
  
  
  // We start by creating our 3D content. In this case a 
  // very simple spinning cube.
  
  // Create scene for 3D content.
  var scene = new THREE.Scene();
  
  // Create shortcuts for window size.
  var width = window.innerWidth;
  var height = window.innerHeight;

  // Create camera and move it a bit further. Make it to look to origo.
  var camera = new THREE.PerspectiveCamera( 45, width / height, 1, 500 );
  camera.position.y = 100;
  camera.position.z = 100;
	camera.position.x = 100;
	camera.lookAt(scene.position);
  
  // Create renderer.
  var renderer = new THREE.WebGLRenderer({antialias: false});
	renderer.setSize( width, height );
  renderer.autoClear = false;
  document.body.appendChild(renderer.domElement);

  // Let there be light!
  var light = new THREE.DirectionalLight( 0xffffff, 1 );
	light.position.set( 50, 50, 50 );
	scene.add(light);

  // And the box.
  var geometry = new THREE.BoxGeometry( 20, 20, 20 );
  var material = new THREE.MeshPhongMaterial( {color: 0xcccccc} );
  var cube = new THREE.Mesh( geometry, material );
  scene.add( cube );


  
  
  // Ok, now we have the cube. Next we'll create the hud. For that we'll
  // need a separate scene which we'll render on top of our 3D scene. We'll
  // use a dynamic texture to render the HUD.
  
  // We will use 2D canvas element to render our HUD.  
	var hudCanvas = document.createElement('canvas');
  
  // Again, set dimensions to fit the screen.
  hudCanvas.width = width;
  hudCanvas.height = height;

  // Get 2D context and draw something supercool.
  var hudBitmap = hudCanvas.getContext('2d');
	hudBitmap.font = "Normal 40px Arial";
  hudBitmap.textAlign = 'center';
  hudBitmap.fillStyle = "rgba(245,245,245,0.75)";
  hudBitmap.fillText('Initializing...', width / 2, height / 2);
     
  // Create the camera and set the viewport to match the screen dimensions.
  var cameraHUD = new THREE.OrthographicCamera(-width/2, width/2, height/2, -height/2, 0, 30 );

  // Create also a custom scene for HUD.
  sceneHUD = new THREE.Scene();
 
	// Create texture from rendered graphics.
	var hudTexture = new THREE.Texture(hudCanvas) 
	hudTexture.needsUpdate = true;
  
  // Create HUD material.
  var material = new THREE.MeshBasicMaterial( {map: hudTexture} );
  material.transparent = true;

  // Create plane to render the HUD. This plane fill the whole screen.
  var planeGeometry = new THREE.PlaneGeometry( width, height );
  var plane = new THREE.Mesh( planeGeometry, material );
  sceneHUD.add( plane );

  
  
  
  // Now we have two scenes. Only thing we need now is a render loop!
  function animate() {
    
    // Rotate cube.
    cube.rotation.x += 0.01;
    cube.rotation.y -= 0.01;
    cube.rotation.z += 0.03;

    // Update HUD graphics.
    hudBitmap.clearRect(0, 0, width, height);
    hudBitmap.fillText("RAD [x:"+(cube.rotation.x % (2 * Math.PI)).toFixed(1)+", y:"+(cube.rotation.y % (2 * Math.PI)).toFixed(1)+", z:"+(cube.rotation.z % (2 * Math.PI)).toFixed(1)+"]" , width / 2, height / 2);
  	hudTexture.needsUpdate = true;
    
    // Render scene.
    renderer.render(scene, camera);

    // Render HUD on top of the scene.
    renderer.render(sceneHUD, cameraHUD);

    // Request new frame.
    requestAnimationFrame(animate);

  };
  
  // Start animation.
  animate();
  
  
  
});










              
            
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999px

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