dff2gltf/index.html at master · davidar/dff2gltf · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>dff2gltf</title>
    <style>
      body { margin: 0; }
      canvas { width: 100%; height: 100% }
    </style>
  </head>
  <body>
    <script src="https://threejs.org/build/three.js"></script>
    <script src="https://threejs.org/examples/js/loaders/GLTFLoader.js"></script>
    <script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
    <script>
      var container, controls;
      var camera, scene, renderer;
      var hemispheric, ambient, directional;
      init();
      animate();
      function init() {
        container = document.createElement('div');
        document.body.appendChild(container);
        camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
        scene = new THREE.Scene();

        renderer = new THREE.WebGLRenderer({ antialias: true });
        renderer.setPixelRatio(window.devicePixelRatio);
        renderer.setSize(window.innerWidth/2, window.innerHeight/2, false);
        renderer.gammaOutput = true;
        renderer.setClearColor(0x222222);
        container.appendChild(renderer.domElement);

        var geometry = new THREE.BoxGeometry(1, 1, 1);
        var material = new THREE.MeshStandardMaterial({ color: 0x00ff00 });
        var cube = new THREE.Mesh(geometry, material);
        scene.add(cube);
        camera.position.z = 5;

        hemispheric = new THREE.HemisphereLight(0xffffff, 0x222222, 1.2);
        scene.add(hemispheric);

        ambient = new THREE.AmbientLight(0x404040);
        scene.add(ambient);

        directional = new THREE.DirectionalLight(0x404040);
        directional.position.set(0.5, 0, 0.866);
        scene.add(directional);

        controls = new THREE.OrbitControls(camera, renderer.domElement);
        controls.screenSpacePanning = true;
        controls.update();

        var loader = new THREE.GLTFLoader().setPath('/ipl/');
        loader.load('overview.gltf', setup);

        window.addEventListener('resize', onWindowResize, false);
      }
      function setup(gltf) {
        const box = new THREE.Box3().setFromObject(gltf.scene);
        const size = box.getSize(new THREE.Vector3()).length();
        const center = box.getCenter(new THREE.Vector3());

        gltf.scene.position.x += (gltf.scene.position.x - center.x);
        gltf.scene.position.y += (gltf.scene.position.y - center.y);
        gltf.scene.position.z += (gltf.scene.position.z - center.z);
        controls.maxDistance = size * 10;
        camera.near = size / 100;
        camera.far = size * 100;
        camera.updateProjectionMatrix();

        camera.position.copy(center);
        camera.position.x += size / 2.0;
        camera.position.y += size / 5.0;
        camera.position.z += size / 2.0;
        camera.lookAt(center);

        scene.add(gltf.scene);
      }
      function onWindowResize() {
        camera.aspect = window.innerWidth / window.innerHeight;
        camera.updateProjectionMatrix();
        renderer.setSize(window.innerWidth/2, window.innerHeight/2, false);
      }
      function animate() {
        requestAnimationFrame(animate);
        renderer.render(scene, camera);
      }
    </script>
  </body>
</html>