Shadow

17/02/2019 #Ar.js

Ar.js Shadow 예제

코드

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
<!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>Hello Cube</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 markerRoot1;
 
var shadowMesh;
 
initialize(); 
animate();
 
function initialize(){
    scene = new THREE.Scene();    // 씬 생성 
    
    // 카메라 생성
    camera = new THREE.Camera();
    scene.add(camera);
    
    // 랜더러 생성
    renderer = new THREE.WebGLRenderer({
        antialias: true,
        alpha: true
    });
    
    // 랜더러 설정 및 도큐먼트에 추가 
    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 타임 설정 
    clock = new THREE.Clock();
    deltaTime = 0; 
    totalTime = 0; 
    
    // ArToolkitSouce 설정
    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 세팅
    
    // ArToolkitContext 생성 
    arToolkitContext = new THREEx.ArToolkitContext({
        cameraParametersUrl: 'data/camera_para.dat',
        detectionMode: 'mono'
    });
    
    arToolkitContext.init(function onCompleted(){
        camera.projectionMatrix.copy(arToolkitContext.getProjectionMatrix());
    });
    
    // MarkerRoots 세팅 
    markerRoot1 = new THREE.Group();
    scene.add(markerRoot1);
    
    let markerControls1 = new THREEx.ArMarkerControls(arToolkitContext, markerRoot1, {
        type: 'pattern',
        patternUrl: 'data/hiro.patt'
    });
    
    // 씬 세팅 
    renderer.shadowMap.enabled = true;
    renderer.shadowMap.type = THREE.PCFSoftShadowMap;
    
    let loader = new THREE.TextureLoader();
    
    let sceneGroup = new THREE.Group();
    markerRoot1.add(sceneGroup);
    
    let texture = loader.load('images/color-grid.png');
    texture.wrapS = THREE.RepeatWrapping;
    texture.wrapT = THREE.RepeatWrapping;
    texture.repeat.set(8, 1);
    
    shadowMesh = new THREE.Mesh(
        new THREE.TorusKnotGeometry(0.5, 0.2, 128, 16),
        new THREE.MeshLambertMaterial({ map: texture })
    );
    shadowMesh.position.y = 1;
    shadowMesh.castShadow = true;
    shadowMesh.receiveShadow = true;
    sceneGroup.add( shadowMesh );
    
    let floorGeometry = new THREE.PlaneGeometry(20, 20);
    let floorMaterial = new THREE.ShadowMaterial();
    floorMaterial.opacity = 0.3;
    let floorMesh = new THREE.Mesh(floorGeometry, floorMaterial);
    floorMesh.rotation.x = -Math.PI/2;
    floorMesh.receiveShadow = true;
    sceneGroup.add(floorMesh);
    
    let light = new THREE.PointLight(0xffffff, 1, 100);
    light.position.set(0, 4, 0);
    light.castShadow = true;
    sceneGroup.add(light);
    
    let lightSphere = new THREE.Mesh(
        new THREE.SphereGeometry(0.1),
        new THREE.MeshBasicMaterial({
            color: 0xffffff,
            transparent: true,
            opacity: 0.8
        })
    );
    
    lightSphere.position.copy(light.position);
    sceneGroup.add(lightSphere);
    
    let ambientLight = new THREE.AmbientLight(0x666666);
    sceneGroup.add(ambientLight);
    
}
 
function update(){
    //update artoolkit on every frame
    if(arToolkitSource.ready !== false){
        arToolkitContext.update(arToolkitSource.domElement);
    }
    
    shadowMesh.rotation.y -= 0.01;
}
 
function render(){
    renderer.render(scene, camera);
}
 
function animate(){
    requestAnimationFrame(animate);
    deltaTime = clock.getDelta();
    totalTime += deltaTime;
    update();
    render();
}
</script>
</body>
</html>
cs

마커 이미지

마커이미지 이 예제는 카메라로 마커이미지 Hiro를 비춰야 정상적으로 실행 할 수 있습니다.