Spiral is now infinite
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@ -1,46 +1,93 @@
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import { Euler, MathUtils, Quaternion, Vector3 } from "three";
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import { getDistance, setDistance, getCameraPosition, setCameraPostion, rotateCamera, getCanvasSize, getCameraRotation, getCameraQuaternion } from "./graphics.js";
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import * as THREE from "three";
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let isMousePressed = false
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let angle = 0;
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export class SpiralCamera {
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constructor(canvas, segmentHeight) {
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// this.camera = new THREE.PerspectiveCamera(75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000);
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this.camera = new THREE.PerspectiveCamera(75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000);
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this.angle = 0;
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this.distance = 5;
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this.canvas = canvas
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this.offset = 0;
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this.segmentHeight = segmentHeight;
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this.viewingYear = new Date().getFullYear();
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const updateCameraPosition = (horizontal, vertical) => {
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let ratio = 4 * Math.PI / getCanvasSize().width;
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let distance = getDistance();
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console.log(this.canvas)
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let alpha = (360 * (horizontal * ratio / (2 * Math.PI))) ;
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let betta = MathUtils.degToRad(angle);
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let x = Math.cos(betta) * distance;
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let z = Math.sin(betta) * distance;
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this.camera.position.z = this.distance;
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addEventListener('mousedown', (event) => {
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if (event.button == 0) {
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isMousePressed = true;
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}
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});
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addEventListener('mouseup', (event) => {
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if (event.button == 0) {
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isMousePressed = false;
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}
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});
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addEventListener('mousemove', (event) => {
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if (isMousePressed) {
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let horizontal = event.movementX;
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let vertical = event.movementY;
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this.updateCameraPosition(horizontal, vertical);
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}
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});
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addEventListener('wheel', (event) => {
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this.distance += this.distance / (event.deltaY / 60);
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this.updateCameraPosition(0, 0);
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});
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this.changedViewingYear = new CustomEvent("changedViewYear", {});
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}
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updateCameraPosition = (horizontal, vertical) => {
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let ratio = 4 * Math.PI / this.canvas.width;
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let alpha = (360 * (horizontal * ratio / (2 * Math.PI)));
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let betta = THREE.MathUtils.degToRad(this.angle);
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let z = Math.sin(betta) * this.distance;
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let x = Math.cos(betta) * this.distance;
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this.offset -= vertical * ratio
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if (this.offset > this.segmentHeight) {
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this.offset = 0;
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this.viewingYear--;
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dispatchEvent(this.changedViewingYear)
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}
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if (this.offset < 0) {
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this.offset = this.segmentHeight;
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this.viewingYear++;
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dispatchEvent(this.changedViewingYear)
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}
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this.camera.position.x = x;
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this.camera.position.z = z;
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this.angle += alpha;
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};
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getCamera = () => {
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return this.camera;
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};
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getOffset = () => {
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return this.offset;
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};
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getViewingYear = () => {
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return this.viewingYear;
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};
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setCameraPostion(x, undefined, z);
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angle += alpha;
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}
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addEventListener('mousedown', (event) => {
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if (event.button == 0) {
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isMousePressed = true;
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}
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});
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addEventListener('mouseup', (event) => {
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if (event.button == 0) {
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isMousePressed = false;
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}
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});
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addEventListener('mousemove', (event) => {
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if (isMousePressed) {
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let horizontal = event.movementX;
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let vertical = event.movementY;
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updateCameraPosition(horizontal, vertical);
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}
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});
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addEventListener('wheel', (event) => {
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let d = getDistance();
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console.log(d + d / (event.deltaY/60))
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setDistance(d + d / (event.deltaY/60));
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updateCameraPosition(0, 0);
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})
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150
view/graphics.js
150
view/graphics.js
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@ -1,96 +1,123 @@
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import * as THREE from 'three';
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import { SpiralSegment } from './spiral.js';
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import { SpiralCamera } from './controls.js';
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import { TextGeometry } from 'three/addons/geometries/TextGeometry.js';
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import { FontLoader } from 'three/addons/loaders/FontLoader.js';
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const spiralHeight = 2;
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const segmentHeight = 2;
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let spiralMaterial = new THREE.MeshPhongMaterial({color: 0xffffff});
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let spiralMaterial = new THREE.MeshPhongMaterial({ color: 0x0f0f0f });
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let distance = 5;
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const scene = new THREE.Scene();
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var canvas = document.querySelector('#canvas');
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const renderer = new THREE.WebGLRenderer({ antialias: true, canvas });
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document.body.appendChild( renderer.domElement );
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document.body.appendChild(renderer.domElement);
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const camera = new THREE.PerspectiveCamera(75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000);
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camera.position.z = distance;
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const camera = (new SpiralCamera(canvas, segmentHeight));
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// setting light
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const pointLight = new THREE.PointLight( 0xffffff, 1);
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pointLight.position.set( 0, 0, 1 );
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const pointLight = new THREE.PointLight(0xffffff, 1);
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pointLight.position.set(0, 0, 1);
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const ambientLight = new THREE.AmbientLight(0xffffff, 10);
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scene.add(pointLight);
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scene.add(ambientLight);
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let segments = []
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let segments = [];
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let viewingYear = new Date().getFullYear();
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let viewDistance = 5;
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let verticalOffset = 0;
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let switched = true;
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for (let i = 0; i < 40; i ++) {
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// for (let i = 0; i < 40; i ++) {
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// let color = `#${(Math.floor(Math.random() * 16777215)).toString(16)}`;
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// let material = new THREE.MeshPhongMaterial({color: color});
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// segments.push(new SpiralSegment(0, i - 20, spiralHeight, material).getSegment());
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// scene.add(segments[i]);
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// }
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// let text = document.createElement('div');
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// text.style.position = 'absolute'
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// text.style.width = 100
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// text.style.height = 100
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// text.style.color = "white"
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// text.innerHTML = "test"
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// text.style.top = 200 + 'px'
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// text.style.left = 200 + 'px'
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// document.body.appendChild(text)
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// const loader = new FontLoader();
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// loader.load( 'fonts/helvetiker_regular.typeface.json', function ( font ) {
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// const geometry = new TextGeometry('Hello three.js!', {
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// font: font,
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// size: 80,
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// height: 5,
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// curveSegments: 12,
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// bevelEnabled: true,
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// bevelThickness: 10,
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// bevelSize: 8,
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// bevelOffset: 0,
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// bevelSegments: 5
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// });
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// const textmesh = new THREE.Mesh(geometry, spiralMaterial);
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// // textmesh.scale = new THREE.Vector3(2, 2, 2)
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// scene.add(textmesh)
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// } );
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for (let i = 0; i < viewDistance * 2 + 1; i++) {
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let color = `#${(Math.floor(Math.random() * 16777215)).toString(16)}`;
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let material = new THREE.MeshPhongMaterial({color: color});
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segments.push(new SpiralSegment(i - 20, spiralHeight, material).getSegment());
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scene.add(segments[i]);
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let material = new THREE.MeshPhongMaterial({ color: color });
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segments.push(new SpiralSegment(viewingYear - viewDistance + i, segmentHeight, material));
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scene.add(segments[i].getSegment());
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}
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export const rotateCamera = (x, y) => {
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camera.rotateX(THREE.MathUtils.degToRad(x))
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camera.rotateY(THREE.MathUtils.degToRad(y))
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console.log(`Rotating camera by (${x};${y})`)
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}
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addEventListener("changedViewYear", (e) => {
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let color = `#${(Math.floor(Math.random() * 16777215)).toString(16)}`;
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let material = new THREE.MeshPhongMaterial({ color: color });
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let newYear = camera.getViewingYear();
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export const getCameraRotation = () => {
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return camera.rotation
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}
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if (newYear > viewingYear) { // +
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scene.remove(segments[0].getSegment())
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for (let i = 0; i < segments.length; i++) {
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if (i < segments.length - 1) segments[i] = segments[i + 1]
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else segments[i] = new SpiralSegment(newYear + viewDistance, segmentHeight, material);
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}
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scene.add(segments[segments.length - 1].getSegment());
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} else {
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scene.remove(segments[segments.length - 1].getSegment())
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segments.pop();
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segments.unshift(new SpiralSegment(newYear - viewDistance, segmentHeight, material))
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scene.add(segments[0].getSegment());
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}
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export const getCameraQuaternion = () => {
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return camera.quaternion
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}
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viewingYear = newYear;
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});
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export const getCameraPosition = () => {
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return camera.position
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}
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export const setCameraPostion = (x, y ,z) => {
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if (x != undefined) camera.position.x = x;
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if (y != undefined) camera.position.y = y;
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if (z != undefined) camera.position.z = z;
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console.log(`Setting camera position to (${x};${y};${z})`)
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}
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export const getCanvasSize = () => {
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return {width: canvas.width, height: canvas.height}
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}
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export const getDistance = () => {
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return distance
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}
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export const setDistance = (d) => {
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distance = d;
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}
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// console.log((THREE.MathUtils.radToDeg(camera.rotation._y)));
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// camera.rotateY(THREE.MathUtils.degToRad(90));
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// console.log((THREE.MathUtils.radToDeg(camera.rotation._y)));
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// camera.rotateY(THREE.MathUtils.degToRad(90));
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// console.log((THREE.MathUtils.radToDeg(camera.rotation._y)));
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// camera.rotateY(THREE.MathUtils.degToRad(90));
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// console.log((THREE.MathUtils.radToDeg(camera.rotation._y)));
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// camera.rotateY(THREE.MathUtils.degToRad(90));
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// console.log((THREE.MathUtils.radToDeg(camera.rotation._y)));
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//main loop
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function animate() {
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if (resizeRendererToDisplaySize(renderer)) {
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const canvas = renderer.domElement;
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camera.aspect = canvas.clientWidth / canvas.clientHeight;
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camera.updateProjectionMatrix();
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camera.getCamera().aspect = canvas.clientWidth / canvas.clientHeight;
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camera.getCamera().updateProjectionMatrix();
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}
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camera.lookAt(0, 0, 0);
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for (let i = 0; i < segments.length; i++) {
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segments[i].getSegment().position.y = ((segments[i].year - camera.getViewingYear()) * segmentHeight + camera.getOffset());
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}
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renderer.render(scene, camera);
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camera.getCamera().lookAt(0, 0, 0);
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renderer.render(scene, camera.getCamera());
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requestAnimationFrame(animate);
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}
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@ -106,4 +133,9 @@ function resizeRendererToDisplaySize(renderer) {
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return needResize;
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}
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const rebuildSpiral = () => {
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segments = [];
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}
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animate();
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@ -17,11 +17,13 @@ export const calculateGeometry = (spiralHeight) => {
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return new THREE.TubeGeometry(curve, 400, 0.1, 400, false);
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}
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const geom = calculateGeometry(2)
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export class SpiralSegment {
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constructor(number, height, material) {
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this.number = number;
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this.segment = new THREE.Mesh(calculateGeometry(height), material);
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this.segment.position.y += number * height;
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constructor(year, height, material) {
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this.year = year;
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this.segment = new THREE.Mesh(geom, material);
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// this.segment.position.y += number * height;
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}
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getSegment() {
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