imagecube.js Example File

threejs/oneqt/imagecube.js
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Qt.include("three.js")

var camera, scene, renderer;
var cube;
var pointLight;

function initializeGL(canvas) {
    camera = new THREE.PerspectiveCamera(50, canvas.width / canvas.height, 1, 2000);
    camera.position.z = 400;
    camera.position.y = 140;

    scene = new THREE.Scene();

    // Load textures
    var textureLoader = new THREE.TextureLoader();
    var textureCase1 = textureLoader.load(canvas.image1);
    var textureCase2 = textureLoader.load(canvas.image2);
    var textureCase3 = textureLoader.load(canvas.image3);
    var textureCase4 = textureLoader.load(canvas.image4);
    var textureCase5 = textureLoader.load(canvas.image5);
    var textureCase6 = textureLoader.load(canvas.image6);

    // Materials
    var materials = [];
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase1 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase1 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase3 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase3 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase5 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase5 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase6 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase6 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase4 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase4 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase2 }));
    materials.push(new THREE.MeshLambertMaterial({ map: textureCase2 }));

    // Box geometry to be broken down for MeshFaceMaterial
    var geometry = new THREE.BoxGeometry(200, 200, 200);
    for (var i = 0, len = geometry.faces.length; i < len; i ++) {
        geometry.faces[ i ].materialIndex = i;
    }
    geometry.materials = materials;
    var faceMaterial = new THREE.MeshFaceMaterial(materials);

    cube = new THREE.Mesh(geometry, faceMaterial);
    scene.add(cube);

    camera.lookAt(cube.position);

    // Lights
    scene.add(new THREE.AmbientLight(0x444444));

    var directionalLight = new THREE.DirectionalLight(0xffffff, 1.0);

    directionalLight.position.y = 130;
    directionalLight.position.z = 700;
    directionalLight.position.x = Math.tan(canvas.angleOffset) * directionalLight.position.z;
    directionalLight.position.normalize();
    scene.add(directionalLight);

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

function setBackgroundColor(backgroundColor) {
    var str = ""+backgroundColor;
    var color = parseInt(str.substring(1), 16);
    if (renderer)
        renderer.setClearColor(color);
}

function resizeGL(canvas) {
    if (camera === undefined) return;

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

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

function paintGL(canvas) {
    cube.rotation.x = canvas.xRotation * Math.PI / 180;
    cube.rotation.y = canvas.yRotation * Math.PI / 180;
    cube.rotation.z = canvas.zRotation * Math.PI / 180;
    renderer.render(scene, camera);
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.