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Scientific Computing & Data Science
[WebGL] GUI Basic 본문
이번 예제는 WebGL에서의 GUI 표현에 대한 것이다. GUI Controller를 통해 오브젝트 인스턴스를 생성하거나 속성을 변경하도록 하겠습니다.
아래 화면은 GUI Controller에 가려 scene이 잘 안 보일 수도 있으니 가급적 FULL SCREEN을 클릭하여 볼 것을 권장합니다.
Download Project
Click here to view with full screen mode
Operations
Mouse Left Button Click & Drag: Camera Rotating
Mouse Wheel: Camera Zoom In & Out
Mouse Right Button Click & Drag: Camera Panning
main.js
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 | // standard global variables var container, scene, camera, renderer, controls, stats; var keyboard = new THREEx.KeyboardState(); var clock = new THREE.Clock(); // custom global variables var cubeMesh, textMesh, textGeom, sphereMesh; var parameters; var materialFront, materialSide, materialArray, textMaterial, textWidth; init(); animate(); // FUNCTIONS function init() { // SCENE scene = new THREE.Scene(); // CAMERA var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight; var VIEW_ANGLE = 45, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = 0.1, FAR = 20000; camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR); scene.add(camera); camera.position.set(0,150,400); camera.lookAt(scene.position); // RENDERER if ( Detector.webgl ) renderer = new THREE.WebGLRenderer( {antialias:true} ); else renderer = new THREE.CanvasRenderer(); renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT); container = document.getElementById( 'ThreeJS' ); container.appendChild( renderer.domElement ); // EVENTS THREEx.WindowResize(renderer, camera); THREEx.FullScreen.bindKey({ charCode : 'f'.charCodeAt(0) }); // CONTROLS controls = new THREE.OrbitControls( camera, renderer.domElement ); // STATS stats = new Stats(); stats.domElement.style.position = 'absolute'; stats.domElement.style.bottom = '0px'; stats.domElement.style.zIndex = 100; container.appendChild( stats.domElement ); // LIGHT var light = new THREE.PointLight(0xffffff); light.position.set(0,250,0); scene.add(light); // FLOOR var floorTexture = new THREE.ImageUtils.loadTexture( 'img/Wood_floor.jpg' ); floorTexture.wrapS = floorTexture.wrapT = THREE.RepeatWrapping; floorTexture.repeat.set( 1, 1 ); var floorMaterial = new THREE.MeshBasicMaterial( { map: floorTexture, side: THREE.DoubleSide } ); var floorGeometry = new THREE.PlaneGeometry(1000, 1000, 10, 10); var floor = new THREE.Mesh(floorGeometry, floorMaterial); floor.position.y = -0.5; floor.rotation.x = Math.PI / 2; scene.add(floor); // SKYBOX/FOG var skyBoxGeometry = new THREE.CubeGeometry( 10000, 10000, 10000 ); var skyBoxMaterial = new THREE.MeshBasicMaterial( { color: 0x9999ff, side: THREE.BackSide } ); var skyBox = new THREE.Mesh( skyBoxGeometry, skyBoxMaterial ); // scene.add(skyBox); scene.fog = new THREE.FogExp2( 0x9999ff, 0.00025 ); //////////// // CUSTOM // //////////// // Add a cube mesh var cubeGeometry = new THREE.CubeGeometry( 50, 50, 50 ); var cubeMaterial = new THREE.MeshBasicMaterial( { color: 0x000088 } ); cubeMesh = new THREE.Mesh( cubeGeometry.clone(), cubeMaterial ); cubeMesh.position.set(0,26,0); // Clones of cubeMesh var cubeClone = new Array(); cubeClone[0] = cubeMesh.clone(); scene.add(cubeClone[0]); // Add a 3D text textGeom = new THREE.TextGeometry( "0", { size: 30, height: 4, curveSegments: 3, font: "helvetiker", weight: "bold", style: "normal", bevelThickness: 1, bevelSize: 2, bevelEnabled: true, material: 0, extrudeMaterial: 1 }); // font: helvetiker, gentilis, droid sans, droid serif, optimer // weight: normal, bold materialFront = new THREE.MeshBasicMaterial( { color: 0xfcff00 } ); materialSide = new THREE.MeshBasicMaterial( { color: 0xff0084 } ); materialArray = [ materialFront, materialSide ]; textMaterial = new THREE.MeshFaceMaterial(materialArray); textMesh = new THREE.Mesh( textGeom, textMaterial ); textGeom.computeBoundingBox(); textWidth = textGeom.boundingBox.max.x - textGeom.boundingBox.min.x; textMesh.position.set( -0.5 * textWidth, 80, 0 ); scene.add(textMesh); // Add a sphere mesh var sphereGeometry = new THREE.SphereGeometry( 50, 50, 16, 16 ); var sphereMaterial = new THREE.MeshPhongMaterial( { color: 0x00ff3c } ); sphereMesh = new THREE.Mesh( sphereGeometry.clone(), sphereMaterial ); sphereMesh.position.set(0,80,-120); scene.add(sphereMesh); // Graphical User Interface var gui = new dat.GUI(); parameters = { a: 0, // numeric b: "Hello World", // string c: 1, // numeric slider posX: 0, posY: 80, posZ: -120, color: "#00ff3c", // color (change "#" to "0x") colorA: "#000000", // color (change "#" to "0x") colorE: "#000033", // color (change "#" to "0x") colorS: "#ffff00", // color (change "#" to "0x") shininess: 30, opacity: 1, visible: true, material: "Phong", }; // gui.add( parameters ) var num = gui.add( parameters, 'a' ).name('Number'); var str = gui.add( parameters, 'b' ).name('String'); var numSlider = gui.add( parameters, 'c' ).min(0).max(10).step(1).name('Slider'); var folder1 = gui.addFolder('Position'); var sphereX = folder1.add( parameters, 'posX' ).min(-200).max(200).step(1).listen(); var sphereY = folder1.add( parameters, 'posY' ).min(0).max(100).step(1).listen(); var sphereZ = folder1.add( parameters, 'posZ' ).min(-200).max(200).step(1).listen(); folder1.open(); var sphereColor = gui.addColor( parameters, 'color' ).name('Color (Diffuse)').listen(); var sphereColorA = gui.addColor( parameters, 'colorA' ).name('Color (Ambient)').listen(); var sphereColorE = gui.addColor( parameters, 'colorE' ).name('Color (Emissive)').listen(); var sphereColorS = gui.addColor( parameters, 'colorS' ).name('Color (Specular)').listen(); var sphereShininess = gui.add( parameters, 'shininess' ).min(0).max(60).step(1).name('Shininess').listen(); var sphereOpacity = gui.add( parameters, 'opacity' ).min(0).max(1).step(0.01).name('Opacity').listen(); var sphereMaterial = gui.add( parameters, 'material', [ "Basic", "Lambert", "Phong", "Wireframe" ] ).name('Material Type').listen(); // Event on change in 'num' num.onChange(function(value) { if(textMesh != null) scene.remove(textMesh); textGeom = new THREE.TextGeometry( String(value), { size: 30, height: 4, curveSegments: 3, font: "helvetiker", weight: "bold", style: "normal", bevelThickness: 1, bevelSize: 2, bevelEnabled: true, material: 0, extrudeMaterial: 1 }); textMesh = new THREE.Mesh( textGeom, textMaterial ); textGeom.computeBoundingBox(); textWidth = textGeom.boundingBox.max.x - textGeom.boundingBox.min.x; textMesh.position.set( -0.5 * textWidth, 80, 0 ); scene.add(textMesh); }); // Event on change in 'str' str.onChange(function(value) { if(textMesh != null) scene.remove(textMesh); textGeom = new THREE.TextGeometry( value, { size: 30, height: 4, curveSegments: 3, font: "helvetiker", weight: "bold", style: "normal", bevelThickness: 1, bevelSize: 2, bevelEnabled: true, material: 0, extrudeMaterial: 1 }); textMesh = new THREE.Mesh( textGeom, textMaterial ); textGeom.computeBoundingBox(); textWidth = textGeom.boundingBox.max.x - textGeom.boundingBox.min.x; textMesh.position.set( -0.5 * textWidth, 80, 0 ); scene.add(textMesh); }); var step = 100; var starting; // Event on change in 'numSlider' numSlider.onChange(function(value) { if(cubeClone.length > 0) { // remove existing clones of cubeMesh for(var i = 0 ; i < cubeClone.length ; i++) scene.remove(cubeClone[i]); // add new clones of cubeMesh starting = -50 * value; for(var i = 0 ; i < value ; i++) { cubeClone[i] = cubeMesh.clone(); cubeClone[i].position.x = starting + i*step; scene.add(cubeClone[i]); } } }); // Event on change in 'sphereX' sphereX.onChange(function(value) { sphereMesh.position.x = value; }); // Event on change in 'sphereY' sphereY.onChange(function(value) { sphereMesh.position.y = value; }); // Event on change in 'sphereZ' sphereZ.onChange(function(value) { sphereMesh.position.z = value; }); // Event on change in 'color' sphereColor.onChange(function(value) // onFinishChange { sphereMesh.material.color.setHex( value.replace("#", "0x") ); }); // Event on change in 'colorA' sphereColorA.onChange(function(value) // onFinishChange { sphereMesh.material.ambient.setHex( value.replace("#", "0x") ); }); // Event on change in 'colorE' sphereColorE.onChange(function(value) // onFinishChange { sphereMesh.material.emissive.setHex( value.replace("#", "0x") ); }); // Event on change in 'colorS' sphereColorS.onChange(function(value) // onFinishChange { sphereMesh.material.specular.setHex( value.replace("#", "0x") ); }); // Event on change in 'shininess' sphereShininess.onChange(function(value) { sphereMesh.material.shininess = value; }); // Event on change in 'opacity' sphereOpacity.onChange(function(value) { sphereMesh.material.opacity = value; }); // Event on change in 'material' sphereMaterial.onChange(function(value) { updateSphere(); }); gui.open(); } function updateSphere() { var value = parameters.material; var newMaterial; if (value == "Basic") newMaterial = new THREE.MeshBasicMaterial( { color: 0x000000 } ); else if (value == "Lambert") newMaterial = new THREE.MeshLambertMaterial( { color: 0x000000 } ); else if (value == "Phong") newMaterial = new THREE.MeshPhongMaterial( { color: 0x000000 } ); else // (value == "Wireframe") newMaterial = new THREE.MeshBasicMaterial( { wireframe: true } ); sphereMesh.material = newMaterial; sphereMesh.position.x = parameters.posX; sphereMesh.position.y = parameters.posY; sphereMesh.position.z = parameters.posZ; sphereMesh.material.color.setHex( parameters.color.replace("#", "0x") ); if (sphereMesh.material.ambient) sphereMesh.material.ambient.setHex( parameters.colorA.replace("#", "0x") ); if (sphereMesh.material.emissive) sphereMesh.material.emissive.setHex( parameters.colorE.replace("#", "0x") ); if (sphereMesh.material.specular) sphereMesh.material.specular.setHex( parameters.colorS.replace("#", "0x") ); if (sphereMesh.material.shininess) sphereMesh.material.shininess = parameters.shininess; sphereMesh.material.opacity = parameters.opacity; sphereMesh.material.transparent = true; } function animate() { requestAnimationFrame( animate ); render(); update(); } function update() { if ( keyboard.pressed("z") ) { // do something } controls.update(); stats.update(); } function render() { renderer.render( scene, camera ); } | cs |
'Programming > WebGL(ThreeJS)' 카테고리의 다른 글
[WebGL] Blender Scene 불러오기 (0) | 2015.08.07 |
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[WebGL] Geometry Collada Loader (0) | 2015.08.07 |
[WebGL] Texture Canvas (0) | 2015.08.06 |
[WebGL] Video Texture (0) | 2015.08.06 |
[WebGL] Render Texture (0) | 2015.08.06 |
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