3bodyproblem/index.js at master · mat1v1dal/3bodyproblem · GitHub

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import * as THREE from 'https://unpkg.com/three/build/three.module.js';
import { OrbitControls } from 'https://unpkg.com/three/examples/jsm/controls/OrbitControls.js';
import FakeGlowMaterial from './modules/FakeGlowMaterials.js';

let scene, camera, renderer;
let planets = [];
let orbitAngle = 0;


class Planeta {
    constructor(position, scale, scene, orbitRadius, direction, color) {
        this.scene = scene;
        this.scale = scale;
        this.orbitRadius = orbitRadius;
        this.direction = direction;


        const solidMaterial = new THREE.MeshStandardMaterial({ color: color });


        const glowMaterial = new FakeGlowMaterial({
            glowColor: new THREE.Color(color),
        });


        const geometry = new THREE.SphereGeometry(scale, 32, 32);


        this.solidSphere = new THREE.Mesh(geometry, solidMaterial);
        this.solidSphere.position.copy(position);
        this.scene.add(this.solidSphere);


        this.glowSphere = new THREE.Mesh(geometry, glowMaterial);
        this.glowSphere.position.copy(position);
        this.scene.add(this.glowSphere);

        const scaleFactor = 3;
        this.glowSphere.scale.set(scaleFactor, scaleFactor, scaleFactor);
    }

    actualizarOrbita(angleOffset, speed, amplitude) {
        const angle = Date.now() * speed * 0.001 + angleOffset;
        const x = Math.cos(angle) * this.orbitRadius * amplitude;
        const y = Math.cos(angle) * this.orbitRadius;
        const z = Math.sin(angle) * this.orbitRadius * amplitude;

        this.solidSphere.position.x = x;
        this.solidSphere.position.z = z;

        if (this.direction == 1) {
            this.solidSphere.position.y = y;
        } else {
            this.solidSphere.position.y = -y;
        }

        this.glowSphere.position.copy(this.solidSphere.position);
        this.solidSphere.rotation.y += 0.01;
    }

}

function init() {
    scene = new THREE.Scene();
    camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 20000);

    const canvas = document.querySelector('.webgl');
    renderer = new THREE.WebGLRenderer({ canvas });
    renderer.setSize(window.innerWidth, window.innerHeight);


    camera.position.z = 399;

    const controls = new OrbitControls(camera, renderer.domElement);
    controls.maxDistance = 400;
    controls.enableDamping = true;

    const textureLoader = new THREE.TextureLoader();

    const materials = [
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-xpos.png'), side: THREE.BackSide }),
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-xneg.png'), side: THREE.BackSide }),
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-ypos.png'), side: THREE.BackSide }),
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-yneg.png'), side: THREE.BackSide }),
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-zpos.png'), side: THREE.BackSide }),
        new THREE.MeshStandardMaterial({ map: textureLoader.load('./images/background/nebula-zneg.png'), side: THREE.BackSide }),
    ];

    const cubeGeometry = new THREE.BoxGeometry(1000, 1000, 1000);
    const cube = new THREE.Mesh(cubeGeometry, materials);
    scene.add(cube);


    const planetaCentral = new Planeta(new THREE.Vector3(0, 0, 0), 40, scene, 0, 0, "#f57011");
    const planeta1 = new Planeta(new THREE.Vector3(20, 0, 0), 15, scene, 120, 1, "#1f65f0");
    const planeta2 = new Planeta(new THREE.Vector3(30, 0, 0), 10, scene, 130, 0, "#f01fb5");

    planets.push(planetaCentral, planeta1, planeta2);


    const ambientLight = new THREE.AmbientLight(0xffffff, 0.4);
    scene.add(ambientLight);

    const directionalLight = new THREE.DirectionalLight(0xffffff, 0);
    directionalLight.position.set(30, 20, 0);
    scene.add(directionalLight);

    //document.addEventListener('mousemove', onMouseMove, false);

    //animaciones
    const tl = gsap.timeline({ defaults: {duration: 3}});
    tl.fromTo(planetaCentral.glowSphere.scale, {z:0,x:0,y:0}, {z:3,x:3,y:3}, 1);
    tl.fromTo(planetaCentral.solidSphere.scale, {z:0,x:0,y:0}, {z:1,x:1,y:1}, 1);

    tl.fromTo(planeta1.glowSphere.scale, {z:0,x:0,y:0}, {z:3,x:3,y:3}, 1);
    tl.fromTo(planeta1.solidSphere.scale, {z:0,x:0,y:0}, {z:1,x:1,y:1}, 1);

    tl.fromTo(planeta2.glowSphere.scale, {z:0,x:0,y:0}, {z:3,x:3,y:3}, 1);
    tl.fromTo(planeta2.solidSphere.scale, {z:0,x:0,y:0}, {z:1,x:1,y:1}, 1);

    tl.fromTo("nav", {opacity: 0}, {opacity: 1}, 0);
    tl.fromTo(".title", { fontSize: "0rem"}, {fontSize: "35px"},0);
    tl.fromTo(".title", {opacity: "0%"}, {opacity:"80%"}, 0)
    tl.fromTo(".title", { top: "50%"}, { top: "15%"}, 1);


    animate();
}

function animate() {
    requestAnimationFrame(animate);

    camera.lookAt(scene.position);


    planets.forEach((planet, index) => {
        const angleOffset = Math.PI / 2 * index;
        planet.actualizarOrbita(angleOffset, 0.5, 1 + 0.1 * index);

    });

    renderer.render(scene, camera);
    controls.update();
}

init();