Masic Cube Effect

14/02/2019 #Ar.js

Ar.js Masic Cube Effect 예제

코드

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    <title>Many Cubes</title>
    
    <!-- include three.js -->
    <script type="text/javascript" src="../../lib/threejs/build/three.js"></script>
    
    <!-- inclde jsartookit -->
    <script type="text/javascript" src="../../lib/jsartoolkit5/artoolkit.min.js"></script>
    <script type="text/javascript" src="../../lib/jsartoolkit5/artoolkit.api.js"></script>
    
    <!-- include threex.artoolkit -->
    <script type="text/javascript" src="../../lib/threex/threex-artoolkitsource.js"></script>
    <script type="text/javascript" src="../../lib/threex/threex-artoolkitcontext.js"></script>
    <script type="text/javascript" src="../../lib/threex/threex-arbasecontrols.js"></script>
    <script type="text/javascript" src="../../lib/threex/threex-armarkercontrols.js"></script>
    
</head>
<body style='margin : 0px; overflow: hidden; font-family: monospace;'>
<script type="text/javascript">
var scene, camera, renderer, clock, deltaTime, totalTime;
var arToolkitSource, arToolkitContext;
var patternArray, markerRootArray, markerGroupArray;
var sceneGroup;
 
initialize();
animate();
 
function initialize(){
    
    // 씬 생성
    scene = new THREE.Scene();
    
    // 조명 생성 후 씬에 삽입
    let ambientLight = new THREE.AmbientLight(0xcccccc, 0.5);
    scene.add(ambientLight);
    
    // 카메라 생성 후 씬에 삽입
    camera = new THREE.Camera();
    scene.add(camera);
    
    // 랜더러 생성 및 설정 후 도큐먼트에 삽입
    renderer = new THREE.WebGLRenderer({
        antialias: true,
        alpha: true
    });
    renderer.setClearColor(new THREE.Color('lightgrey'), 0);
    renderer.setSize(640, 480);
    renderer.domElement.style.position = 'absolute';
    renderer.domElement.style.top = '0px';
    renderer.domElement.style.left = '0px';
    document.body.appendChild(renderer.domElement);
    
    // 클락 생성 및 타이머 초기화
    clock = new THREE.Clock();
    deltaTime = 0; 
    totalTime = 0; 
    
    // arToolkitSource 셋업
    arToolkitSource = new THREEx.ArToolkitSource({
        sourceType: 'webcam'
    });
    
    function onResize(){
        arToolkitSource.onResize();
        arToolkitSource.copySizeTo(renderer.domElement);
        if(arToolkitContext.arController !== null){
            arToolkitSource.copySizeTo(arToolkitContext.arController.canvas);
        }
    }
    
    arToolkitSource.init(function onReady(){
        onResize();
    });
    
    window.addEventListener('resize', function(){
        onResize();
    });
    
    // arToolkitContext 생성
    arToolkitContext = new THREEx.ArToolkitContext({
        cameraParametersUrl: 'data/camera_para.dat',
        detectionMode: 'mono'
    });
    
    arToolkitContext.init(function onCompleted(){
        camera.projectionMatrix.copy(arToolkitContext.getProjectionMatrix());
    });
    
    // markerRoots 셋업
    markerRootArray = [];
    markerGroupArray = [];
    patternArray = ['letterA', 'letterB', 'letterC', 'letterD', 'letterF', 'kanji'];
    
    let rotationArray = [
        new THREE.Vector3(-Math.PI/2, 0, 0), 
        new THREE.Vector3(0, -Math.PI/2, Math.PI/2), 
        new THREE.Vector3(Math.PI/2, 0, Math.PI), 
        new THREE.Vector3(-Math.PI/2, Math.PI/2, 0), 
        new THREE.Vector3(Math.PI, 0, 0), 
        new THREE.Vector3(0, 0, 0)
    ];
    
    for(let i=0; i<6; i++){
        let markerRoot = new THREE.Group();
        markerRootArray.push(markerRoot);
        scene.add(markerRoot);
        let markerControls = new THREEx.ArMarkerControls(arToolkitContext, markerRoot, {
            type: 'pattern',
            patternUrl: 'data/' + patternArray[i] + '.patt'
        });
        
        let markerGroup = new THREE.Group();
        markerGroupArray.push(markerGroup);
        markerGroup.position.y = -1.25/2;
        markerGroup.rotation.setFromVector3(rotationArray[i]);
        
        markerRoot.add(markerGroup);
    }
    
    sceneGroup = new THREE.Group();
    sceneGroup.scale.set(1.25/2, 1.25/2, 1.25/2);
    
    let loader = new THREE.TextureLoader();
    
    let tileTexture = loader.load('images/tiles.jpg');
    
    let geometry = new THREE.BoxGeometry(2, 2, 2);
    let material = new THREE.MeshBasicMaterial({
        map: tileTexture,
        side: THREE.BackSide
    });
    let mesh = new THREE.Mesh(geometry, material);
    sceneGroup.add(mesh);
    
    let sphereGeometry = new THREE.SphereGeometry(0.20, 6, 6);
    let sphereCenters = [
        new THREE.Vector3(-1, -1, -1),
        new THREE.Vector3(-1, -1, 1),
        new THREE.Vector3(-1, 1, -1),
        new THREE.Vector3(-1, 1, 1),
        
        new THREE.Vector3(1, -1, -1),
        new THREE.Vector3(1, -1, 1),
        new THREE.Vector3(1, 1, -1),
        new THREE.Vector3(1, 1, 1)    
    ];
    
    let sphereColors = [ 0x444444, 0x0000ff, 0x00ff00, 0x00ffff, 0xff0000, 0xff00ff, 0xffff00, 0xffffff ];
    
    for(let i=0; i<8; i++){
        let sphereMesh = new THREE.Mesh(
            sphereGeometry,
            new THREE.MeshLambertMaterial({
                map: tileTexture,
                color: sphereColors[i]
            })
        );
        
        sphereMesh.position.copy(sphereCenters[i]);
        sceneGroup.add(sphereMesh);
    }
    
    let edgeGeometry = new THREE.CylinderGeometry(0.05, 0.05, 2, 32);
    
    let edgeCenters = [
        new THREE.Vector3(0, -1, -1),
        new THREE.Vector3(0, 1, -1),
        new THREE.Vector3(0, -1, 1),
        new THREE.Vector3(0, 1, 1),
        
        new THREE.Vector3(-1, 0, -1),
        new THREE.Vector3(1, 0, -1),
        new THREE.Vector3(-1, 0, 1),
        new THREE.Vector3(1, 0, 1),
        
        new THREE.Vector3(-1, -1, 0),
        new THREE.Vector3(1, -1, 0),
        new THREE.Vector3(-1, 1, 0),
        new THREE.Vector3(1, 1, 0)
    ];
    
    let edgeRotations = [
        new THREE.Vector3(0, 0, Math.PI/2),
        new THREE.Vector3(0, 0, Math.PI/2),
        new THREE.Vector3(0, 0, Math.PI/2),
        new THREE.Vector3(0, 0, Math.PI/2),
        
        new THREE.Vector3(0, 0, 0),
        new THREE.Vector3(0, 0, 0),
        new THREE.Vector3(0, 0, 0),
        new THREE.Vector3(0, 0, 0),
        
        new THREE.Vector3(Math.PI/2, 0, 0),
        new THREE.Vector3(Math.PI/2, 0, 0),
        new THREE.Vector3(Math.PI/2, 0, 0),
        new THREE.Vector3(Math.PI/2, 0, 0)
    ];
    
    let edgeColors = [
        0x880000, 0x880000, 0x880000, 0x880000,
        0x008800, 0x008800, 0x008800, 0x008800,
        0x000088, 0x000088, 0x000088, 0x000088
    ];
    
    for(let i=0; i<12; i++){
        let edge = new THREE.Mesh(
            edgeGeometry,
            new THREE.MeshLambertMaterial({
                map: tileTexture,
                color: edgeColors[i]
            })
        );
        edge.position.copy(edgeCenters[i]);
        edge.rotation.setFromVector3(edgeRotations[i]);
        sceneGroup.add(edge);
    }
    
    sceneGroup.add(
        new THREE.Mesh(
            new THREE.TorusKnotGeometry(0.5, 0.1),
            new THREE.MeshNormalMaterial()
        )        
    );
    
    let pointLight = new THREE.PointLight(0xffffff, 1, 50);
    pointLight.position.set(0.5, 3, 2);
    scene.add(pointLight);
}
 
function update(){
    if(arToolkitSource.ready !== false){
        arToolkitContext.update(arToolkitSource.domElement);
    }
    
    for(let i=0; i<6; i++){
        if(markerRootArray[i].visible){
            markerGroupArray[i].add(sceneGroup);
            console.log('visible:'+patternArray[i]);
        }
    }
}
 
function render(){
    renderer.render(scene, camera);
}
 
function animate(){
    requestAnimationFrame(animate);
    deltaTime = clock.getDelta();
    totalTime += deltaTime;
    update();
    render();
}
</script>
</body>
</html>
cs

마커 이미지

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