Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | import {
Color,
Scene,
Fog,
PerspectiveCamera,
WebGLRenderer,
Vector3,
MeshBasicMaterial,
MeshLambertMaterial,
LineBasicMaterial,
SpriteMaterial,
Geometry,
SphereGeometry,
LineSegments,
Mesh,
Texture,
Sprite,
DirectionalLight,
} from 'three';
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls';
import { ConvexGeometry } from 'three/examples/jsm/geometries/ConvexGeometry';
class GL {
constructor() {
this.renderer = null;
this.controls = null;
this.camera = null;
this.el = null;
this.scene = null;
this.light = null;
this.dimensions = {
x: 0,
y: 0,
};
this.resizeListener = () => {
this.resize();
};
}
setAutoRotate(autoRotate) {
this.controls.autoRotate = autoRotate;
}
init = (canvas, dataSet, baseColor) => {
const color = new Color(baseColor);
const luminance = new Color(baseColor);
luminance.sub(new Color(0x333333));
if (!canvas) {
return;
}
this.el = canvas;
window.addEventListener('resize', this.resizeListener);
this.scene = new Scene();
// this.scene.background = new THREE.Color(0xffffff);
this.scene.fog = new Fog(0x00ffffff, 80, 170);
this.dimensions.x = this.el.offsetWidth;
this.dimensions.y = this.el.offsetHeight;
this.camera = new PerspectiveCamera(
45,
this.el.offsetWidth / this.el.offsetHeight,
0.1,
1000,
);
this.camera.position.set(0, 0, 120);
this.renderer = new WebGLRenderer({
canvas,
antialias: true,
alpha: true,
});
this.renderer.setSize(this.el.offsetWidth, this.el.offsetHeight);
// TODO: use stronger antialiasing / higher pixel ratio?
this.renderer.setPixelRatio(1.5);
this.controls = new OrbitControls(this.camera, canvas);
this.controls.enableDamping = true;
this.controls.enableZoom = false;
this.controls.enablePan = false;
this.controls.dampingFactor = 0.05;
this.controls.rotateSpeed = 0.15;
this.controls.autoRotate = false;
this.controls.autoRotateSpeed = 0.5;
const radiusOut = 30;
// const radiusIn = 24;
const segments = 64;
const rings = 32;
const spheroid = this.constructor.distribute(dataSet.length, false);
const skillsVertices = spheroid.map(vertex => new Vector3(...vertex));
const envelopeVertices = spheroid.map(vertex => new Vector3(...vertex));
const labelSprites = dataSet.map(entry => this.constructor.renderText(entry.name));
// const innerSphereGeometry = new THREE.SphereGeometry(radiusIn, segments, rings);
const outerSphereGeometry = new SphereGeometry(radiusOut, segments, rings);
const wireframeMaterial = new MeshBasicMaterial({
color: 0x00999999,
depthTest: true,
depthWrite: false,
wireframe: true,
transparent: true,
opacity: 0.05,
fog: true,
});
const darkWireframeMaterial = new MeshBasicMaterial({
color: 0x111111,
wireframe: true,
transparent: true,
opacity: 0.05,
fog: false,
});
const flatMaterial = new MeshLambertMaterial({
color: color.getHex(),
emissive: luminance.getHex(),
polygonOffset: true,
polygonOffsetFactor: 1,
polygonOffsetUnits: 1,
// side: THREE.DoubleSide,
fog: false,
});
const lineMaterial = new LineBasicMaterial({
color: 0xFF0022,
fog: false,
});
const outerSphere = new Mesh(outerSphereGeometry, wireframeMaterial);
// const innerSphere = new THREE.Mesh(innerSphereGeometry, wireframeMaterial);
this.scene.add(outerSphere);
// this.scene.add(innerSphere);
if (dataSet.length > 4) {
const skillsGeometry = new ConvexGeometry(skillsVertices);
const envelopeGeometry = new ConvexGeometry(envelopeVertices);
const innerSphereScale = 0.7;
skillsGeometry.dynamic = true;
skillsGeometry.vertices = skillsGeometry
.vertices
.map((vertex, index) => vertex.multiplyScalar(dataSet[index].value * innerSphereScale));
const skillsCloud = new Mesh(skillsGeometry, flatMaterial);
skillsCloud.scale.set(radiusOut, radiusOut, radiusOut);
const envelope = new Mesh(envelopeGeometry, darkWireframeMaterial);
envelope.scale.set(radiusOut, radiusOut, radiusOut);
const spikesVertices = envelope.geometry.vertices.slice();
const spikesGeometry = new Geometry();
spikesVertices.forEach((vertex, index) => {
spikesGeometry.vertices.push(new Vector3(0, 0, 0));
spikesGeometry.vertices.push(vertex);
labelSprites[index].position.set(vertex.x * 40, vertex.y * 40, vertex.z * 40);
labelSprites[index].scale.set(36.0, 36.0, 36.0);
this.scene.add(labelSprites[index]);
});
const spikes = new LineSegments(spikesGeometry, lineMaterial);
spikes.scale.set(38, 38, 38);
this.scene.add(skillsCloud);
this.scene.add(envelope);
this.scene.add(spikes);
}
this.light = new DirectionalLight(0xffffff, 1);
this.scene.add(this.light);
this.light.position.set(0, 0, 150);
this.render();
}
static distribute(samples, randomize) {
let rnd = 1.0;
if (randomize) {
rnd = Math.random() * samples;
}
const points = [];
const offset = 2.0 / samples;
const increment = Math.PI * (3.0 - Math.sqrt(5.0));
let i = 0;
let r = 0;
let x = 0;
let y = 0;
let z = 0;
let phi = 0;
for (; i < samples; i += 1) {
y = ((i * offset) - 1) + (offset / 2);
r = Math.sqrt(1 - (y ** 2));
phi = ((i + rnd) % samples) * increment;
x = Math.cos(phi) * r;
z = Math.sin(phi) * r;
points.push([x, y, z]);
}
return points;
}
resize = () => {
if (this.camera && this.renderer) {
this.camera.aspect = this.el.offsetWidth / this.el.offsetHeight;
this.camera.updateProjectionMatrix();
this.renderer.setSize(this.el.offsetWidth, this.el.offsetHeight);
this.dimensions.x = this.el.offsetWidth;
this.dimensions.y = this.el.offsetHeight;
}
}
static renderText(text, textureSize = 512) {
let canvas = document.createElement('canvas');
canvas.width = textureSize;
canvas.height = textureSize;
let context = canvas.getContext('2d');
context.font = '52px Open Sans, sans-serif';
context.textBaseline = 'middle';
context.textAlign = 'center';
context.fillStyle = '#222222';
context.fillText(text.toUpperCase(), textureSize / 2, textureSize / 2);
const texture = new Texture(canvas);
texture.needsUpdate = true;
const spriteMaterial = new SpriteMaterial({
map: texture,
fog: true,
});
const sprite = new Sprite(spriteMaterial);
context = null;
canvas = null;
return sprite;
}
render = () => {
if (!this.renderer) {
return;
}
if (this.el.offsetWidth !== this.dimensions.x || this.el.height !== this.dimensions.y) {
this.resize();
}
requestAnimationFrame(this.render);
this.renderer.render(this.scene, this.camera);
this.controls.update();
this.light.position.copy(this.camera.position);
}
clearScene(obj) {
while (obj.children.length > 0) {
this.clearScene(obj.children[0]);
obj.remove(obj.children[0]);
}
if (obj.texture) obj.texture.dispose();
if (obj.material) obj.material.dispose();
if (obj.geometry) obj.geometry.dispose();
}
teardown() {
if (this.renderer) {
/* try {
this.renderer.forceContextLoss();
} catch (e) {
console.debug(e);
} */
window.removeEventListener('resize', this.resizeListener);
this.controls.dispose();
this.renderer.dispose(); /* .context = null;
this.renderer.domElement = null; */
this.renderer = null;
this.el = null;
this.clearScene(this.scene);
this.scene = null;
this.light = null;
}
}
}
export default GL;
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