ThreeJsIndoorSimulator/experiment4.html at master · praneethfdo/ThreeJsIndoorSimulator · GitHub

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<html>
  <head>
    <title>My first three.js app</title>
    <style>
      body {
        margin: 0;
      }
      canvas {
        width: 100%;
        height: 100%;
      }
    </style>
  </head>
  <body>
    <script src="js/three.js"></script>
    <script src="js/OrbitControls.js"></script>

    <script>
      var scene = new THREE.Scene();
      var camera = new THREE.PerspectiveCamera(
        75,
        window.innerWidth / window.innerHeight,
        0.1,
        2000
      );

      var renderer = new THREE.WebGLRenderer();
      renderer.setSize(window.innerWidth, window.innerHeight);
      document.body.appendChild(renderer.domElement);

      // adding controls
      controls = new THREE.OrbitControls(camera, renderer.domElement);
      // controls.minDistance = 250;
      // controls.maxDistance = 250;

      //   adding a simple cube
      var geometry = new THREE.BoxGeometry(100, 100, 100);

      // adding a list of materials for cube faces
      var cubeMaterials = [
        new THREE.MeshBasicMaterial({
          color: 0xffffff,
          wireframe: false,
          side: THREE.DoubleSide
        }),
        new THREE.MeshBasicMaterial({
          color: 0x00ffff,
          wireframe: false,
          side: THREE.DoubleSide
        }),
        new THREE.MeshBasicMaterial({
          color: 0xff00ff,
          wireframe: false,
          side: THREE.DoubleSide
        }),
        new THREE.MeshBasicMaterial({
          color: 0xffff00,
          wireframe: false,
          side: THREE.DoubleSide
        }),
        new THREE.MeshBasicMaterial({
          color: 0x00ff00,
          wireframe: false,
          side: THREE.DoubleSide
        }),
        new THREE.MeshBasicMaterial({
          color: 0xff0000,
          wireframe: false,
          side: THREE.DoubleSide
        })
      ];

      var cube = new THREE.Mesh(geometry, cubeMaterials);

      scene.add(cube);

      // move back camera
      camera.position.z = 49;

      // added caster to detect intersection
      var raycaster = new THREE.Raycaster();
      var mouse = new THREE.Vector2(),
        INTERSECTED;

      var animate = function() {
        raycaster.setFromCamera(mouse, camera);

        var intersects = raycaster.intersectObjects(scene.children, true);

        if (intersects.length > 0) {
          if (INTERSECTED != intersects[0].object) {
            if (INTERSECTED)
              INTERSECTED.object.material[
                INTERSECTED.face.materialIndex
              ].color.setHex(INTERSECTED.currentHex);
            INTERSECTED = intersects[0];
            INTERSECTED.currentHex = INTERSECTED.object.material[
              INTERSECTED.face.materialIndex
            ].color.getHex();
            INTERSECTED.object.material[
              INTERSECTED.face.materialIndex
            ].color.setHex(0x000000);
          }
        } else {
          if (INTERSECTED)
            INTERSECTED.object.material[
              INTERSECTED.face.materialIndex
            ].color.setHex(INTERSECTED.currentHex);
          INTERSECTED = null;
        }

        controls.update();

        requestAnimationFrame(animate);

        renderer.render(scene, camera);
      };

      function onMouseMove(event) {
        mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
        mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
      }

      mouse.x = undefined;
      mouse.y = undefined;

      window.addEventListener("mousemove", onMouseMove, false);
      animate();
    </script>
  </body>
</html>