Spiral is now infinite

view/controls.js

@@ -1,46 +1,93 @@
-import { Euler, MathUtils, Quaternion, Vector3 } from "three";
+import * as THREE from "three";
-import { getDistance, setDistance, getCameraPosition, setCameraPostion, rotateCamera, getCanvasSize, getCameraRotation, getCameraQuaternion } from "./graphics.js";
 
 let isMousePressed = false
 
-let angle = 0;
+export class SpiralCamera {
+    constructor(canvas, segmentHeight) {
+        // this.camera = new THREE.PerspectiveCamera(75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000);
+        this.camera = new THREE.PerspectiveCamera(75, canvas.clientWidth / canvas.clientHeight, 0.1, 1000);
+        this.angle = 0;
+        this.distance = 5;
+        this.canvas = canvas
+        this.offset = 0;
+        this.segmentHeight = segmentHeight;
+        this.viewingYear = new Date().getFullYear();
 
-const updateCameraPosition = (horizontal, vertical) => {
+        console.log(this.canvas)
-    let ratio = 4 * Math.PI / getCanvasSize().width;
-    let distance = getDistance();
 
-    let alpha = (360 * (horizontal * ratio / (2 * Math.PI))) ;
+        this.camera.position.z = this.distance;
-    let betta = MathUtils.degToRad(angle);
-    let x = Math.cos(betta) * distance;
-    let z = Math.sin(betta) * distance;
 
-    setCameraPostion(x, undefined, z);
+        addEventListener('mousedown', (event) => {
-    angle += alpha;
-}
-
-addEventListener('mousedown', (event) => {
             if (event.button == 0) {
                 isMousePressed = true;
             }
-});
+        });
 
-addEventListener('mouseup', (event) => {
+        addEventListener('mouseup', (event) => {
             if (event.button == 0) {
                 isMousePressed = false;
             }
-});
+        });
 
-addEventListener('mousemove', (event) => {
+        addEventListener('mousemove', (event) => {
             if (isMousePressed) {
                 let horizontal = event.movementX;
                 let vertical = event.movementY;
-        updateCameraPosition(horizontal, vertical);
+                this.updateCameraPosition(horizontal, vertical);
             }
-});
+        });
+
+        addEventListener('wheel', (event) => {
+            this.distance += this.distance / (event.deltaY / 60);
+            this.updateCameraPosition(0, 0);
+        });
+        
+        this.changedViewingYear = new CustomEvent("changedViewYear", {});
+    }
+
+    updateCameraPosition = (horizontal, vertical) => {
+        let ratio = 4 * Math.PI / this.canvas.width;
+
+        let alpha = (360 * (horizontal * ratio / (2 * Math.PI)));
+        let betta = THREE.MathUtils.degToRad(this.angle);
+
+        let z = Math.sin(betta) * this.distance;
+        let x = Math.cos(betta) * this.distance;
+
+
+        this.offset -= vertical * ratio
+        if (this.offset > this.segmentHeight) {
+            this.offset = 0;
+            this.viewingYear--;
+            dispatchEvent(this.changedViewingYear)
+        }
+        if (this.offset < 0) {
+            this.offset = this.segmentHeight;
+            this.viewingYear++;
+            dispatchEvent(this.changedViewingYear)
+        }
+
+        this.camera.position.x = x;
+        this.camera.position.z = z;
+
+        this.angle += alpha;
+    };
+
+    getCamera = () => {
+        return this.camera;
+    };
+
+    getOffset = () => {
+        return this.offset;
+    };
+
+    getViewingYear = () => {
+        return this.viewingYear;
+    };
+
+}
+
+
+
+
 
-addEventListener('wheel', (event) => {
-    let d = getDistance();
-    console.log(d + d / (event.deltaY/60))
-    setDistance(d + d / (event.deltaY/60));
-    updateCameraPosition(0, 0);
-})

view/graphics.js

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

view/spiral.js

@@ -17,11 +17,13 @@ export const calculateGeometry = (spiralHeight) => {
     return new THREE.TubeGeometry(curve, 400, 0.1, 400, false);
 }
 
+const geom = calculateGeometry(2)
+
 export class SpiralSegment {
-    constructor(number, height, material) {
+    constructor(year, height, material) {
-        this.number = number;
+        this.year = year;
-        this.segment = new THREE.Mesh(calculateGeometry(height), material);
+        this.segment = new THREE.Mesh(geom, material);
-        this.segment.position.y += number * height;
+        // this.segment.position.y += number * height;
     }
 
     getSegment() {