cellphone.js Example File

threejs/cellphone/qml/cellphone/cellphone.js
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 Qt.include("three.js")

 var camera, scene, renderer, cubeCamera;
 var caseMesh, frontMesh, iconMesh;
 var caseColor = new THREE.Color("#000000");
 var meshesReady = false;
 var canvasTextureProvider = null;
 var zeroVector = new THREE.Vector3(0, 0, 0);
 var cameraLight;
 var sphereImage, iconImage;
 var caseMeshFile, frontMeshFile, iconMeshFile;

 function initializeGL(canvas, textureSource) {
     scene = new THREE.Scene();

     cubeCamera = new THREE.CubeCamera(5, 100, 512);
     cubeCamera.renderTarget.texture.minFilter = THREE.LinearMipMapLinearFilter;
     scene.add(cubeCamera);

     // Background sphere
     var sphere = new THREE.Mesh(
                 new THREE.SphereGeometry(40, 16, 16),
                 new THREE.MeshBasicMaterial());
     sphere.side = THREE.BackSide;
     sphere.scale.x = -1;
     scene.add(sphere);
     var textureLoader = new THREE.TextureLoader();
     if (sphereImage) {
         var sphereTexture = textureLoader.load(sphereImage, updateEnvMap);
         sphereTexture.mapping = THREE.UVMapping;
         sphereTexture.minFilter = THREE.LinearFilter;
         sphere.material.map = sphereTexture;
     } else {
         sphere.material.color = new THREE.Color("black");
     }

     camera = new THREE.PerspectiveCamera( 75, canvas.width / canvas.height, 0.001, 1000 );

     var light = new THREE.AmbientLight( 0x666666 );
     scene.add( light );

     cameraLight = new THREE.DirectionalLight( 0xffffff, 1 );
     cameraLight.position.y = 1.5;
     scene.add( cameraLight );

     var caseMaterial = new THREE.MeshPhongMaterial({ envMap: cubeCamera.renderTarget,
                                                    combine: THREE.MultiplyOperation,
                                                    reflectivity: 0.35,
                                                    specular: "#555555" });
     var frontTexture = new THREE.QtQuickItemTexture( textureSource );
     var frontMaterial = new THREE.MeshPhongMaterial( { map: frontTexture } );

     var iconMaterial = new THREE.MeshPhongMaterial( { transparent:true } );
     if (iconImage) {
         var iconTexture = textureLoader.load(iconImage);
         iconTexture.minFilter = THREE.LinearFilter;
         iconMaterial.map = iconTexture;
     } else {
         iconMaterial.opacity = 0;
     }

     renderer = new THREE.Canvas3DRenderer(
                 { canvas: canvas, antialias: true, devicePixelRatio: canvas.devicePixelRatio });
     renderer.setSize( canvas.width, canvas.height );

     // The cellphone meshes were created using a third party tool (Blender).
     // They were exported from Blender as Wavefront OBJ files and then converted into JSON format
     // using the OBJ -> JSON conversion script provided by three.js (convert_obj_three.py).
     var loader = new THREE.JSONLoader();
     loader.load( caseMeshFile, function ( geometry, materials ) {
         geometry.computeVertexNormals();
         var bufferGeometry = new THREE.BufferGeometry();
         bufferGeometry.fromGeometry(geometry);
         caseMesh = new THREE.Mesh( bufferGeometry, caseMaterial );
         if (iconMesh && frontMesh)
             meshesReady = true;
         caseMesh.material.color = caseColor;
         updateEnvMap();
         scene.add( caseMesh );
     } );
     loader.load( frontMeshFile, function ( geometry, materials ) {
         var bufferGeometry = new THREE.BufferGeometry();
         bufferGeometry.fromGeometry(geometry);
         frontMesh = new THREE.Mesh( bufferGeometry, frontMaterial );
         if (iconMesh && caseMesh)
             meshesReady = true;
         scene.add( frontMesh );
     } );
     loader.load( iconMeshFile, function ( geometry, materials ) {
         var bufferGeometry = new THREE.BufferGeometry();
         bufferGeometry.fromGeometry(geometry);
         iconMesh = new THREE.Mesh( bufferGeometry, iconMaterial );
         if (caseMesh && frontMesh)
             meshesReady = true;
         scene.add( iconMesh );
     } );
 }

 function updateEnvMap() {
     if (caseMesh) {
         // Take a snapshot of the scene using cube camera to create environment map for case
         caseMesh.material.envMap = cubeCamera.renderTarget;
         cubeCamera.updateCubeMap(renderer, scene);
         caseMesh.material.needsUpdate = true;
     }
 }

 function setSphereTexture(image) {
     sphereImage = image;
 }

 function setIconTexture(image) {
     iconImage = image;
 }

 function setMeshFiles(caseFile, frontFile, iconFile) {
     caseMeshFile = caseFile;
     frontMeshFile = frontFile;
     iconMeshFile = iconFile;
 }

 function setCaseColor(color) {
     caseColor.set(color);
     if (caseMesh)
         caseMesh.material.color = caseColor;
 }

 function resizeGL(canvas) {
     camera.aspect = canvas.width / canvas.height;
     camera.updateProjectionMatrix();

     renderer.setPixelRatio(canvas.devicePixelRatio);
     renderer.setSize( canvas.width, canvas.height );
 }

 function degToRad(degrees) {
     return degrees * Math.PI / 180;
 }

 function paintGL(canvas) {
     if (meshesReady) {
         var cameraRad = degToRad(canvas.cameraAngle);
         var lightRad = cameraRad - 0.8;
         caseMesh.rotation.x = degToRad(canvas.xRotAnim);
         caseMesh.rotation.y = degToRad(canvas.yRotAnim);
         caseMesh.rotation.z = cameraRad + degToRad(canvas.zRotAnim);
         frontMesh.rotation.set(caseMesh.rotation.x, caseMesh.rotation.y, caseMesh.rotation.z);
         iconMesh.rotation.set(caseMesh.rotation.x, caseMesh.rotation.y, caseMesh.rotation.z);
         camera.position.x = canvas.distance * Math.sin(cameraRad);
         camera.position.z = canvas.distance * Math.cos(cameraRad);
         cameraLight.position.x = (canvas.distance + 2) * Math.sin(lightRad);
         cameraLight.position.z = (canvas.distance + 2) * Math.cos(lightRad);
         camera.lookAt(zeroVector);
     }

     renderer.render( scene, camera );

 }