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script.js
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script.js
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import * as THREE from "three";
import vshaderString from "./shaders/string/vertex.glsl?raw";
import fshaderString from "./shaders/string/fragment.glsl?raw";
import vshaderString2 from "./shaders/string/vertex2.glsl?raw";
import fshaderString2 from "./shaders/string/fragment2.glsl?raw";
import vshaderString3 from "./shaders/string/vertex3.glsl?raw";
import fshaderString3 from "./shaders/string/fragment3.glsl?raw";
import vshaderString4 from "./shaders/string/vertex4.glsl?raw";
import fshaderString4 from "./shaders/string/fragment4.glsl?raw";
import vshaderProton from "./shaders/proton/vertex.glsl?raw";
import fshaderProton from "./shaders/proton/fragment.glsl?raw";
import vshaderQuark from "./shaders/quark/vertex.glsl?raw";
import fshaderQuark from "./shaders/quark/fragment.glsl?raw";
import vshaderMolecule from "./shaders/molecule/vertex.glsl?raw";
import fshaderMolecule from "./shaders/molecule/fragment.glsl?raw";
import vshaderCloud from "./shaders/cloud/vertex.glsl?raw";
import fshaderCloud from "./shaders/cloud/fragment.glsl?raw";
import vshaderLightning from "./shaders/lightning/vertex.glsl?raw";
import fshaderLightning from "./shaders/lightning/fragment.glsl?raw";
import vshaderLanding1 from "./shaders/landingshaders/vertex1.glsl?raw";
import fshaderLanding1 from "./shaders/landingshaders/fragment1.glsl?raw";
import vshaderLanding3 from "./shaders/landingshaders/vertex3.glsl?raw";
import fshaderLanding3 from "./shaders/landingshaders/fragment3.glsl?raw";
import { FontLoader } from "three/examples/jsm/loaders/FontLoader.js";
import { TextGeometry } from "three/examples/jsm/geometries/TextGeometry.js";
import { Water } from "three/examples/jsm/objects/Water.js";
import { Sky } from "three/examples/jsm/objects/Sky.js";
import { EffectComposer } from 'three/examples/jsm/postprocessing/EffectComposer.js';
import { RenderPass } from 'three/examples/jsm/postprocessing/RenderPass.js';
import { UnrealBloomPass } from 'three/examples/jsm/postprocessing/UnrealBloomPass.js';
import { OutputPass } from 'three/examples/jsm/postprocessing/OutputPass.js';
import { TessellateModifier } from 'three/examples/jsm/modifiers/TessellateModifier.js';
import { ImprovedNoise } from 'three/examples/jsm/math/ImprovedNoise.js'
import { CSS2DRenderer, CSS2DObject } from 'three/examples/jsm/renderers/CSS2DRenderer.js'
import WebGL from 'three/examples/jsm//capabilities/WebGL.js';
let scene,
camera,
renderer,
alight,
animeIDs,
canvas,
textureLoader,
protonTexture,
fontLoader,
clock,
width,
height,
labelRenderer;
const init = () => {
animeIDs = new Object();
canvas = document.getElementById("canvas");
scene = new THREE.Scene();
scene.background = new THREE.Color(0x00030c);
width = window.innerWidth;
height = window.innerHeight;
camera = new THREE.PerspectiveCamera(
35,
width / height,
0.001,
5000
);
camera.position.x = 0;
camera.position.y = 0;
camera.position.z = -1;
scene.add(camera);
renderer = new THREE.WebGLRenderer({
canvas,
alpha: true,
antialias: true,
});
renderer.setSize(width, height);
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
labelRenderer = new CSS2DRenderer();
labelRenderer.setSize(window.innerWidth, window.innerHeight);
labelRenderer.domElement.style.position = 'absolute';
labelRenderer.domElement.style.top = '0px';
document.body.appendChild(labelRenderer.domElement);
textureLoader = new THREE.TextureLoader();
protonTexture = textureLoader.load("/textures/blue-clouds.jpg");
fontLoader = new FontLoader();
alight = new THREE.AmbientLight(0xffffff, 1000);
scene.add(alight);
clock = new THREE.Clock();
window.addEventListener("resize", () => {
width = window.innerWidth;
height = window.innerHeight;
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize(width, height);
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
labelRenderer.setSize(width, height);
});
window.addEventListener("dblclick", () => {
const fullscreenElement =
document.fullscreenElement || document.webkitFullscreenElement;
if (!fullscreenElement) {
if (canvas.requestFullscreen) {
canvas.requestFullscreen();
} else if (canvas.webkitRequestFullscreen) {
canvas.webkitRequestFullscreen();
}
} else {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
}
});
landing();
};
const landing = () => {
camera.position.set(0, 0, 499);
window.scrollTo(0, 0);
fontLoader.load('./fonts/p1.typeface.json', function (font) {
const scrollText = 'Scroll To Navigate';
const text0 = 'Drift Into The Abstract';
const text = 'Désobéir';
const text2 = '( French Verb, Meaning, To Disobey )';
const text3 = 'Disobey the rule of a 2D web';
const text4 = "It's too much of a cruel rule!";
const text5 = 'Worlds Within Worlds';
const text6 = 'Version a.0.0.1';
const text7 = 'A WebGL Experience by desobe.ir';
const ringGeo = new THREE.RingGeometry(5, 5.5, 32);
const ringMaterial = new THREE.MeshBasicMaterial({ color: 0xffffff });
const ring = new THREE.Mesh(ringGeo, ringMaterial);
ringGeo.scale(1, 2, 1);
const circleGeometry = new THREE.CircleGeometry(2.7);
const circleMaterial = new THREE.MeshBasicMaterial({ color: 0xffffff });
const circle = new THREE.Mesh(circleGeometry, circleMaterial);
let worldsSphereRadius = width >= height ? 250 : 125;
const worldsSphereGeo = new THREE.SphereGeometry(worldsSphereRadius, 32, 32);
const worldsSphereMaterial = new THREE.ShaderMaterial({
side: THREE.BackSide,
vertexShader: vshaderLanding1,
fragmentShader: fshaderLanding1,
uniforms: {
time: { value: 0 },
resolution: { value: new THREE.Vector2(width, height) },
}
});
const worldsSphere = new THREE.Mesh(worldsSphereGeo, worldsSphereMaterial);
worldsSphere.rotation.z = Math.PI / 2;
worldsSphere.rotation.y = Math.PI / 2;
worldsSphere.position.set(0, 0, -750);
scene.add(worldsSphere);
const textOptions = {
font: font,
curveSegments: 12,
bevelEnabled: false,
bevelThickness: 0.1,
bevelSize: 0.1,
bevelOffset: 0,
bevelSegments: 5
};
// 1
textOptions.size = width >= height ? 30 : 15;
textOptions.height = width >= height ? 8 : 5;
const textGeometry = new TextGeometry(text, textOptions);
textGeometry.center();
const textMaterial = new THREE.MeshStandardMaterial({ color: 0x151600 });
const textMesh = new THREE.Mesh(textGeometry, textMaterial);
scene.add(textMesh);
//0
textOptions.size = width >= height ? 8 : 5;
textOptions.height = width >= height ? .2 : .1;
const text0Geometry = new TextGeometry(text0, textOptions);
text0Geometry.center();
const text0Material = textMaterial.clone();
text0Material.color = new THREE.Color(0xffffff);
const text0Mesh = new THREE.Mesh(text0Geometry, text0Material);
text0Mesh.position.set(0, 25, 0);
scene.add(text0Mesh);
//2
textOptions.size = width >= height ? 5 : 3;
textOptions.height = width >= height ? .2 : .1;
const text2Geometry = new TextGeometry(text2, textOptions);
text2Geometry.center();
const text2Material = textMaterial.clone();
text2Material.color = new THREE.Color(0xffffff);
const text2Mesh = new THREE.Mesh(text2Geometry, text2Material);
text2Mesh.position.set(0, -25, 0);
scene.add(text2Mesh);
// textRule
textOptions.size = width >= height ? 5 : 3;
textOptions.height = width >= height ? 1 : .3;
const textRuleGeometry = new TextGeometry(text3, textOptions);
textRuleGeometry.center();
const textRuleMaterial = textMaterial.clone();
textRuleMaterial.color = new THREE.Color(0xffffff);
const textRuleMesh = new THREE.Mesh(textRuleGeometry, textRuleMaterial);
textRuleMesh.position.set(0, 0, -300);
scene.add(textRuleMesh);
textRuleMesh.visible = false;
// textCruel
const textCruelGeometry = new TextGeometry(text4, textOptions);
textCruelGeometry.center();
const textCruelMaterial = textMaterial.clone();
textCruelMaterial.color = new THREE.Color(0xffffff);
const textCruelMesh = new THREE.Mesh(textCruelGeometry, textCruelMaterial);
textCruelMesh.position.set(0, -30, -450);
scene.add(textCruelMesh);
textCruelMesh.visible = false;
// textVersion
textOptions.size = width >= height ? 3 : 2;
textOptions.height = width >= height ? 1 : .2;
const textVersionGeometry = new TextGeometry(text6, textOptions);
textVersionGeometry.center();
const textVersionMaterial = textMaterial.clone();
textVersionMaterial.color = new THREE.Color(0xffffff);
const textVersionMesh = new THREE.Mesh(textVersionGeometry, textVersionMaterial);
textVersionMesh.position.set(40, 30, -800);
scene.add(textVersionMesh);
textVersionMesh.visible = false;
// textCredit
textOptions.size = width >= height ? 6 : 3;
textOptions.height = width >= height ? 1 : .3;
const textCreditGeometry = new TextGeometry(text7, textOptions);
textCreditGeometry.center();
const textCreditMaterial = textMaterial.clone();
textCreditMaterial.color = new THREE.Color(0xffffff);
const textCreditMesh = new THREE.Mesh(textCreditGeometry, textCreditMaterial);
textCreditMesh.position.set(0, 10, -800);
scene.add(textCreditMesh);
textCreditMesh.visible = false;
// play
const play = new THREE.Group();
textOptions.size = width >= height ? 5 : 2;
textOptions.height = width >= height ? 1 : .2;
const textPlayGeometry = new TextGeometry('Play', textOptions);
textPlayGeometry.center();
const textPlayMaterial = textMaterial.clone();
textPlayMaterial.color = new THREE.Color(0xf2be22);
const textPlayMesh = new THREE.Mesh(textPlayGeometry, textPlayMaterial);
textPlayMesh.position.set(-2.5, 0, 0);
let coneRadius = width >= height ? 20 : 10;
let coneHeight = width >= height ? 40 : 20;
const coneGeometry = new THREE.ConeGeometry(coneRadius, coneHeight, 3);
textPlayMaterial.wireframe = true;
const playIcon = new THREE.Mesh(coneGeometry, textPlayMaterial);
playIcon.rotation.z = - Math.PI / 2;
play.add(textPlayMesh, playIcon);
play.position.set(0, -30, -800);
scene.add(play);
play.visible = false;
// tessellation
textOptions.size = width >= height ? 15 : 6;
textOptions.height = width >= height ? 3 : .5;
let tessellatedGeometry = new TextGeometry(text5, textOptions);
tessellatedGeometry.center();
const tessellatedMaterial = new THREE.ShaderMaterial({
uniforms: {
amplitude: { value: 100.0 }
},
vertexShader: vshaderLanding3,
fragmentShader: fshaderLanding3,
});
const tessellateModifier = new TessellateModifier(8, 6);
tessellatedGeometry = tessellateModifier.modify(tessellatedGeometry);
const numFaces = tessellatedGeometry.attributes.position.count / 3;
const colors = new Float32Array(numFaces * 3 * 3);
const displacement = new Float32Array(numFaces * 3 * 3);
const color = new THREE.Color();
for (let f = 0; f < numFaces; f++) {
const index = 9 * f;
const h = 0.2 * Math.random();
const s = 0.5 + 0.5 * Math.random();
const l = 0.2 + 0.5 * Math.random();
color.setHSL(h, s, l);
const d = 10 * (0.5 - Math.random());
for (let i = 0; i < 3; i++) {
colors[index + (3 * i)] = color.r;
colors[index + (3 * i) + 1] = color.g;
colors[index + (3 * i) + 2] = color.b;
displacement[index + (3 * i)] = d;
displacement[index + (3 * i) + 1] = d;
displacement[index + (3 * i) + 2] = d;
}
}
tessellatedGeometry.setAttribute('customColor', new THREE.BufferAttribute(colors, 3));
tessellatedGeometry.setAttribute('displacement', new THREE.BufferAttribute(displacement, 3));
const tessellatedMesh = new THREE.Mesh(tessellatedGeometry, tessellatedMaterial);
tessellatedMesh.position.set(0, 50, -800);
scene.add(tessellatedMesh);
tessellatedMesh.visible = false;
textOptions.size = width >= height ? 5 : 2;
textOptions.height = 0.2;
const scrollTextGeometry = new TextGeometry(scrollText, textOptions);
scrollTextGeometry.center();
const scrollTextMaterial = textMaterial.clone();
scrollTextMaterial.color = new THREE.Color(0xffffff);
const scrollTextMesh = new THREE.Mesh(scrollTextGeometry, scrollTextMaterial);
scrollTextMesh.position.set(0, -25, 0);
scrollTextMesh.lookAt(camera.position);
let scrollIcon = new THREE.Group();
scrollIcon.add(scrollTextMesh, circle, ring);
scrollIcon.position.set(-50, -110, 25);
scene.add(scrollIcon);
textMesh.lookAt(camera.position);
//particles
const ringParticleCount = 4000;
const ringParticles = new THREE.BufferGeometry();
const ringParticlePositions = new Float32Array(ringParticleCount * 3);
for (let i = 0; i < ringParticleCount; i++) {
const angle = Math.random() * Math.PI * 2;
const radius = width >= height ? 100 : 50;
const x = Math.cos(angle) * radius;
const y = Math.sin(angle) * radius;
ringParticlePositions[i * 3] = x;
ringParticlePositions[i * 3 + 1] = y;
ringParticlePositions[i * 3 + 2] = 0;
}
ringParticles.setAttribute('position', new THREE.BufferAttribute(ringParticlePositions, 3));
const ringParticleMaterial = new THREE.PointsMaterial({
color: 0xffffff,
size: 10,
map: new THREE.TextureLoader().load('./textures/disc.png'),
blending: THREE.AdditiveBlending,
transparent: true
});
const ringParticleSystem = new THREE.Points(ringParticles, ringParticleMaterial);
scene.add(ringParticleSystem);
// clicking
const raycaster = new THREE.Raycaster();
const mouse = new THREE.Vector2();
const pointermoveCallback = (event) => {
mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
mouse.y = - (event.clientY / window.innerHeight) * 2 + 1;
raycaster.setFromCamera(mouse, camera);
const intersects = raycaster.intersectObject(play);
if (intersects.length > 0) {
textPlayMaterial.color.set(0x000000);
} else {
textPlayMaterial.color.set(0xf2be22);
}
};
document.addEventListener('pointermove', pointermoveCallback);
//fadePlane
const fadePlaneGeo = new THREE.PlaneGeometry(200, 200);
const fadePlaneMaterial = new THREE.MeshBasicMaterial({ color: 0x000000, transparent: true, opacity: 0 });
const fadePlane = new THREE.Mesh(fadePlaneGeo, fadePlaneMaterial);
let fadeFlag = false;
const clickCallback = (event) => {
raycaster.setFromCamera(mouse, camera);
const intersects = raycaster.intersectObject(play);
if (intersects.length > 0) {
textPlayMaterial.color.set(0x121200);
fadePlane.position.set(camera.position.x, camera.position.y, camera.position.z - 0.1);
scene.add(fadePlane);
fadeFlag = true;
}
}
document.addEventListener('click', clickCallback);
//scrolling
let scrollY = window.scrollY;
const maxScrollY = Math.max(document.body.scrollHeight, document.body.offsetHeight, document.documentElement.clientHeight, document.documentElement.scrollHeight, document.documentElement.offsetHeight);
const amplitudeRange = 100 - 1;
const scrollRange = maxScrollY * 0.2;
let amplitudeValue = Math.max(100 - (window.scrollY - 0.55 * maxScrollY) / scrollRange * amplitudeRange, 1);
let lastScrollY = window.scrollY;
const scrollCallback = (e) => {
scrollY = window.scrollY;
const scrollPercent = scrollY / maxScrollY;
text2Mesh.lookAt(camera.position);
textRuleMesh.lookAt(camera.position);
textCruelMesh.lookAt(camera.position);
let disPosition = scrollY / window.innerHeight * 100;
let scrollIconPosition = disPosition + 110;
text0Mesh.position.x = Math.sin(disPosition * 0.2);
textMesh.position.y = disPosition * 0.1;
scrollIcon.position.y = -scrollIconPosition;
if (scrollPercent < 0.2) {
textVersionMesh.visible = false;
textCreditMesh.visible = false;
play.visible = false;
tessellatedMesh.visible = false;
textRuleMesh.visible = false;
textCruelMesh.visible = false;
camera.position.z = -disPosition + 499;
} else if (scrollPercent >= 0.2 && scrollPercent < 0.4) {
textVersionMesh.visible = false;
textCreditMesh.visible = false;
play.visible = false;
tessellatedMesh.visible = false;
textRuleMesh.visible = true;
textCruelMesh.visible = false;
camera.position.z = -disPosition + 499;
}
else if (scrollPercent >= 0.4 && scrollPercent < 0.55) {
textVersionMesh.visible = false;
textCreditMesh.visible = false;
play.visible = false;
tessellatedMesh.visible = false;
camera.position.z = -disPosition + 499;
textCruelMesh.visible = true;
}
else if (scrollPercent >= 0.55 && scrollPercent <= 0.76) {
textVersionMesh.visible = false;
textCreditMesh.visible = false;
play.visible = false;
tessellatedMesh.visible = true;
if (scrollY > lastScrollY) {
amplitudeValue = Math.max(amplitudeValue - (scrollY - lastScrollY) / scrollRange * amplitudeRange, 1);
} else if (scrollY < lastScrollY) {
amplitudeValue = Math.min(amplitudeValue + (lastScrollY - scrollY) / scrollRange * amplitudeRange, 100);
}
if (scrollPercent >= 0.75) {
tessellatedMesh.material.uniforms.amplitude.value = 0
} else {
tessellatedMesh.material.uniforms.amplitude.value = amplitudeValue;
}
lastScrollY = scrollY;
}
else if (scrollPercent > 0.76 && scrollPercent <= 0.85) {
textVersionMesh.visible = false;
textCreditMesh.visible = false;
play.visible = false;
textVersionMesh.visible = true;
} else if (scrollPercent > 0.85 && scrollPercent <= 0.90) {
textVersionMesh.visible = false;
play.visible = false;
textCreditMesh.visible = true;
textVersionMesh.visible = true;
} else if (scrollPercent > 0.90) {
play.visible = true;
}
};
document.addEventListener('scroll', scrollCallback);
clock = new THREE.Clock();
let scatterTime = 0;
const animate = () => {
const time = clock.getElapsedTime();
if (fadeFlag) {
if (fadePlane.material.opacity < 1) {
if (width>=height){
fadePlane.material.opacity += 0.005;
} else {
fadePlane.material.opacity += 0.01;
}
} else {
cancelAnimationFrame(animeIDs['landing']);
document.removeEventListener('pointermove', pointermoveCallback);
document.removeEventListener('click', clickCallback);
document.removeEventListener('scroll', scrollCallback);
strings();
return;
}
}
if (scrollY > 100) {
scatterTime += 0.05;
const positions = ringParticles.getAttribute('position').array;
for (let i = 0; i < ringParticleCount; i++) {
const angle = Math.random() * Math.PI * 2;
const radius = Math.random() * 100;
const displacementX = Math.cos(angle) * radius;
const displacementY = Math.sin(angle) * radius;
const displacementZ = Math.random() * 100 - 50;
const t = scatterTime * Math.random(); // Randomize the start time for each ringParticle
// Update the position of the ringParticle based on its original position and the random displacement
positions[i * 3] = ringParticlePositions[i * 3] + displacementX * t;
positions[i * 3 + 1] = ringParticlePositions[i * 3 + 1] + displacementY * t;
positions[i * 3 + 2] = displacementZ;
// Clamp the ringParticle position to its original position if it has moved too far away
const maxDistance = 100;
const distance = Math.sqrt(displacementX ** 2 + displacementY ** 2);
if (distance > maxDistance) {
positions[i * 3] = ringParticlePositions[i * 3];
positions[i * 3 + 1] = ringParticlePositions[i * 3 + 1];
positions[i * 3 + 2] = 0;
}
}
ringParticles.getAttribute('position').needsUpdate = true;
}
if (scrollY <= 100) {
scatterTime = 0;
const positions = ringParticles.getAttribute('position').array;
for (let i = 0; i < ringParticleCount; i++) {
const angle = Math.random() * Math.PI * 2;
const radius = width >= height ? 100 : 50;
const x = Math.cos(angle) * radius;
const y = Math.sin(angle) * radius;
positions[i * 3] = x;
positions[i * 3 + 1] = y;
positions[i * 3 + 2] = 0;
}
ringParticles.getAttribute('position').needsUpdate = true;
}
worldsSphereMaterial.uniforms.time.value = time;
playIcon.rotation.x += 0.01;
const y = Math.sin(time * 2) * 5;
circle.position.set(circle.position.x, y, circle.position.z);
renderer.render(scene, camera);
labelRenderer.render(scene, camera);
animeIDs['landing'] = requestAnimationFrame(animate);
};
animate();
});
};
const strings = () => {
scene = new THREE.Scene();
window.scrollTo(0, 0);
document.body.style.height = height + 'px';
document.body.style.overflow = 'hidden';
camera.position.set(1, 1, 1);
scene.add(camera);
const oStringGeo = new THREE.PlaneGeometry(0.1, 5, 64, 64);
const stringMaterial = new THREE.ShaderMaterial({
side: THREE.DoubleSide,
transparent: true,
uniforms: {
time: { value: 0 },
color: { value: null },
uFrequency: { value: null },
},
});
let oStringParticles = [];
const oStringParticleCount = 80;
for (let i = 0; i < oStringParticleCount; i++) {
const oStringMaterial = stringMaterial.clone();
oStringMaterial.vertexShader = vshaderString4;
oStringMaterial.fragmentShader = fshaderString4;
oStringMaterial.uniforms.color.value = new THREE.Vector3(0, 225, 0);
oStringMaterial.uniforms.uFrequency.value = 5.0 * Math.random() + 5;
let oString = new THREE.Mesh(oStringGeo, oStringMaterial);
oString.position.set(
Math.random() * 30 - 10,
Math.random() * 30 - 10,
Math.random() * 30 - 10
);
oString.rotation.set(
Math.random() * 3,
Math.random() * 6,
Math.random() * 9
);
scene.add(oString);
oStringParticles.push(oString);
}
let StringParticles = [];
const stringParticleCount = 400;
const stringGeo = new THREE.SphereGeometry(3, 32, 32, 0, 1, 1, 2);
const stringCount = stringGeo.attributes.position.count;
const sRandoms = new Float32Array(stringCount);
const stringShaderArray = [
[vshaderString, fshaderString],
[vshaderString2, fshaderString2],
[vshaderString3, fshaderString3],
];
for (let i = 0; i < stringCount; i++) {
sRandoms[i] = Math.random();
}
stringGeo.setAttribute("sRandom", new THREE.BufferAttribute(sRandoms, 1));
for (let i = 0; i < stringParticleCount; i++) {
const materialShaders =
stringShaderArray[Math.floor(Math.random() * stringShaderArray.length)];
const particleMat = stringMaterial.clone();
particleMat.vertexShader = materialShaders[0];
particleMat.fragmentShader = materialShaders[1];
let string = new THREE.Mesh(stringGeo, particleMat);
string.position.set(
Math.random() * 30 - 10,
Math.random() * 30 - 10,
Math.random() * 30 - 10
);
string.rotation.set(
Math.random() * 3,
Math.random() * 6,
Math.random() * 9
);
scene.add(string);
StringParticles.push(string);
}
clock = new THREE.Clock();
const stringText1 = "Starting at late 1960s, a theoretical framework called <span class='red'>string theory</span> was developed which proposes that the fundamental building blocks of the universe are not particles, but strings.";
const stringText2 = "Strings are theorized as tiny, one-dimensional physical entities that vibrate at different frequencies to give rise to<span class='red'> all the particles and forces in the universe</span>.";
const stringText3 = "The properties of the strings, such as their<span class='red'> tension and vibration modes</span>, determine the properties of the particles they create.";
const stringText4 = "One of the challenges of string theory is that it requires the existence of<span class='red'> additional dimensions</span> beyond the familiar three spatial dimensions and one time dimension. These extra dimensions are thought to be compactified, or curled up, into tiny, inaccessible spaces, which is why<span class='red'> we don't perceive them in our everyday lives</span>.";
const stringDiv = document.createElement('div');
stringDiv.className = 'label';
stringDiv.innerHTML = stringText1;
const stringLabel = new CSS2DObject(stringDiv);
stringLabel.position.set(0, 0, 0);
stringLabel.center.set(0, .5);
scene.add(stringLabel);
const animateString = () => {
animeIDs["strings"] = requestAnimationFrame(animateString);
const time = clock.getElapsedTime();
for (let i = 0; i < StringParticles.length; i++) {
const particleMesh = StringParticles[i];
const speed = 0.01;
particleMesh.rotation.y += speed * Math.random();
particleMesh.material.uniforms.time.value = time;
}
for (let i = 0; i < oStringParticles.length; i++) {
const particleMesh = oStringParticles[i];
const speed = 0.01;
particleMesh.rotation.y += speed * Math.random();
particleMesh.material.uniforms.time.value = time;
particleMesh.material.uniforms.uFrequency.value = Math.random() * 20.0;
}
if (time < 15) {
stringLabel.position.y -= 0.005;
camera.position.set(2, 9, 2);
camera.lookAt(0, 0, 0);
} else if (time >= 15 && time < 30) {
stringLabel.element.innerHTML = stringText2;
stringLabel.position.set(-0.01 * time, 4, 0);
stringLabel.position.y += 0.01;
stringLabel.center.set(0, 1);
camera.position.set(0, 2, 0);
camera.lookAt(0, 10, 0);
} else if (time >= 30 && time < 40) {
stringLabel.element.innerHTML = stringText3;
stringLabel.position.set(0, 3, 0);
stringLabel.center.set(1, 1);
camera.rotation.y += 0.0005;
stringLabel.position.x -= 0.05;
} else if (time >= 40 && time < 70) {
stringLabel.element.innerHTML = stringText4;
stringLabel.position.set(0, -20, 0);
stringLabel.center.set(0, .2);
camera.position.x += 0.002;
camera.position.y += 0.08;
camera.rotation.y += 0.05;
camera.lookAt(0, 0, 0);
}
else if (time >= 70) {
cancelAnimationFrame(animeIDs["strings"]);
scene.remove(stringLabel);
quarks();
return;
}
renderer.render(scene, camera);
labelRenderer.render(scene, camera);
};
animateString();
};
const quarks = () => {
scene = new THREE.Scene();
let uQuarks = [];
let dQuark, uQuark1Material, uQuark2Material, dQuarkMaterial;
const quarkMaterial = new THREE.ShaderMaterial({
vertexShader: vshaderQuark,
fragmentShader: fshaderQuark,
uniforms: {
uColor: { value: new THREE.Color(0x0000ff) },
},
});
const lineMaterial = new THREE.LineBasicMaterial({ color: 0xffffff });
const lineGeometry = new THREE.BufferGeometry().setAttribute(
"position",
new THREE.Float32BufferAttribute([0, 0, 0, 0, 0, 0], 3)
);
const dischargeLine = new THREE.Line(lineGeometry, lineMaterial);
scene.add(dischargeLine);
const uQuarkGeometry = new THREE.SphereGeometry(.5, 16, 16);
uQuark1Material = quarkMaterial.clone();
uQuark2Material = quarkMaterial.clone();
const uQuark1 = new THREE.Mesh(uQuarkGeometry, uQuark1Material);
uQuark1.position.set(5, 0, 0);
scene.add(uQuark1);
uQuarks.push(uQuark1);
const uQuark2 = new THREE.Mesh(uQuarkGeometry, uQuark2Material);
uQuark2.position.set(-5, 0, 0);
scene.add(uQuark2);
uQuarks.push(uQuark2);
const dQuarkGeometry = new THREE.SphereGeometry(.5, 16, 16);
dQuarkMaterial = quarkMaterial.clone();
dQuarkMaterial.uniforms.uColor.value = new THREE.Color(0x00ff00);
dQuark = new THREE.Mesh(dQuarkGeometry, dQuarkMaterial);
dQuark.position.set(0, 0, 3);
scene.add(dQuark);
const minDistance = 2;
const maxDistance = 5;
const quarkText1 = "Quarks are elementary particles that are the building blocks of protons and neutrons, which in turn make up the nuclei of atoms. Quarks are believed to be<span class='red'> truly fundamental particles</span>, meaning that they cannot be broken down into smaller constituents.";
const quarkText2 = "There are <span class='red'>six different types of quarks</span>, known as flavors, which are labeled up, down, charm, strange, top, and bottom. <span class='blue'>Up</span> and <span class='green'>down</span> quarks, which are the lightest and most common, make up the protons and neutrons in ordinary matter.";
const quarkText3 = "One of the most striking features of quarks is that they are <span class='red'>always found in combinations of two or three, never as isolated particles</span>. This property is known as confinement, and it is thought to arise from the strong nuclear force, which binds quarks together and prevents them from existing in isolation.";
const quarkText4 = "Quarks interact through the <span class='red'>strong nuclear force</span>, mediated by particles known as <span class='emph'>gluons</span>. The strong force is responsible for holding protons and neutrons together in atomic nuclei, and it is one of the four fundamental forces of nature, along with <span class='green'>gravity</span>, <span class='blue'>electromagnetism</span>, and <span class='red'>the weak force</span>.";
const quarkDiv = document.createElement('div');
quarkDiv.className = 'label';
quarkDiv.innerHTML = quarkText1;
const quarkLabel = new CSS2DObject(quarkDiv);
quarkLabel.position.set(0, 0, 2);
quarkLabel.center.set(0, 0);
scene.add(quarkLabel);
clock = new THREE.Clock();
camera.position.set(0, 0, 1.5);
const quarkLoop = () => {
animeIDs["quarks"] = requestAnimationFrame(quarkLoop);
const time = clock.getElapsedTime();
for (let i = 0; i < 2; i++) {
const uQuarkMesh = uQuarks[i];
const axis = new THREE.Vector3(
Math.random() - 0.5,
Math.random() - 0.5,
Math.random() - 0.5
).normalize();
const angle = Math.random() * Math.PI * 2;
uQuarkMesh.quaternion.multiply(
new THREE.Quaternion().setFromAxisAngle(axis, angle)
);
uQuarkMesh.position.x += (Math.random() - 0.5) * 0.1;
uQuarkMesh.position.y += (Math.random() - 0.5) * 0.1;
uQuarkMesh.position.z += (Math.random() - 0.5) * 0.1;
const distance = uQuarks[0].position.distanceTo(uQuarks[1].position);
if (distance < minDistance) {
const pushVector = uQuarkMesh.position
.clone()
.sub(uQuarks[1 - i].position)
.normalize()
.multiplyScalar(minDistance - distance);
uQuarkMesh.position.add(pushVector);
} else if (distance > maxDistance) {
const pushVector = uQuarkMesh.position
.clone()
.sub(uQuarks[1 - i].position)
.normalize()
.multiplyScalar(distance - maxDistance);
uQuarkMesh.position.sub(pushVector);
}
}
const axis = new THREE.Vector3(
Math.random() - 0.5,
Math.random() - 0.5,
Math.random() - 0.5
).normalize();
const angle = Math.random() * Math.PI * 2;
dQuark.quaternion.multiply(
new THREE.Quaternion().setFromAxisAngle(axis, angle)
);
dQuark.position.x += (Math.random() - 0.5) * 0.1;
dQuark.position.y += (Math.random() - 0.5) * 0.1;
dQuark.position.z += (Math.random() - 0.5) * 0.1;
let distance = dQuark.position.distanceTo(uQuarks[0].position);
if (distance < minDistance) {
const pushVector = dQuark.position
.clone()
.sub(uQuarks[0].position)
.normalize()
.multiplyScalar(minDistance - distance);
dQuark.position.add(pushVector);
} else if (distance > maxDistance) {
const pushVector = dQuark.position
.clone()
.sub(uQuarks[0].position)
.normalize()
.multiplyScalar(distance - maxDistance);
dQuark.position.sub(pushVector);
}
distance = dQuark.position.distanceTo(uQuarks[1].position);
if (distance < minDistance) {
const pushVector = dQuark.position
.clone()
.sub(uQuarks[1].position)
.normalize()
.multiplyScalar(minDistance - distance);
dQuark.position.add(pushVector);
} else if (distance > maxDistance) {
const pushVector = dQuark.position
.clone()
.sub(uQuarks[1].position)
.normalize()
.multiplyScalar(distance - maxDistance);
dQuark.position.sub(pushVector);
}
for (let i = 0; i < 2; i++) {
const uQuarkMesh = uQuarks[i];
if (Math.random() < 0.2) {
let target = i === 0 ? uQuarks[1] : uQuarks[0];
if (Math.random() < 0.5) {
target = dQuark;
}
const start = uQuarkMesh.position.clone();
dischargeLine.geometry.attributes.position.setXYZ(
0,
start.x,
start.y,
start.z
);
const end = target.position.clone();
dischargeLine.geometry.attributes.position.setXYZ(
1,
end.x,
end.y,
end.z
);
dischargeLine.geometry.attributes.position.needsUpdate = true;
const duration = Math.random() * 0.5;
const startTime = time;
const animateLine = (time) => {
const t = (time - startTime) / duration;
if (t < 1) {
dischargeLine.material.opacity = 1 - t;
} else {
dischargeLine.material.opacity = 0;
dischargeLine.geometry.attributes.position.setXYZ(0, 0, 0, 0);
dischargeLine.geometry.attributes.position.setXYZ(1, 0, 0, 0);
dischargeLine.geometry.attributes.position.needsUpdate = true;
scene.remove(dischargeLine);
return;
}
animeIDs["animateLine"] = requestAnimationFrame(animateLine);
};
scene.add(dischargeLine);
}
}
if (time < 15) {
quarkLabel.position.set(-0.75, 0, 1);
quarkLabel.position.y += 0.01;
quarkLabel.center.set(0, 0);
camera.position.x += 0.02;
camera.position.y += 0.01;
// camera.rotation.y -= 0.02;
camera.lookAt(0, 0, 1);
} else if (time >= 15 && time < 30) {
quarkLabel.element.innerHTML = quarkText2;
quarkLabel.position.set(0.01 * time, 0.01 * time, 0);
quarkLabel.center.set(0, 1);
camera.position.set(-5, 25, 0);
camera.lookAt(0, 0, 1);
} else if (time >= 30 && time < 38) {
quarkLabel.visible = false;
camera.position.set(uQuarks[0].position.x - 10, uQuarks[0].position.y + 5, uQuarks[0].position.z - 10);
camera.lookAt(dQuark.position)
} else if (time >= 38 && time < 45) {
camera.position.set(uQuarks[1].position.x + 10, uQuarks[1].position.y + 5, uQuarks[1].position.z - 10);
camera.lookAt(uQuarks[0].position)
} else if (time >= 45 && time < 60) {
quarkLabel.visible = true;
quarkLabel.element.innerHTML = quarkText3;
quarkLabel.position.set(0.01 * time, 0, 0);
quarkLabel.center.set(0, 1);
camera.position.set(0, 25, 0);
camera.lookAt(-1, 0, -1);
} else if (time >= 60 && time < 75) {
quarkLabel.element.innerHTML = quarkText4;
quarkLabel.position.set(0, 0, 0);
quarkLabel.center.set(0, 0);
camera.position.z += .1;
camera.lookAt(0, 0, 0);
} else if (time >= 75) {
scene.remove(quarkLabel);
cancelAnimationFrame(animeIDs["quarks"]);
cancelAnimationFrame(animeIDs["animateLine"]);
nucleus();
return;
}
renderer.render(scene, camera);
labelRenderer.render(scene, camera);
};
quarkLoop();
};
const nucleus = () => {
scene = new THREE.Scene();
let protonGeo = new THREE.SphereGeometry(0.125, 32, 32);
const protonCount = protonGeo.attributes.position.count;
const pRandoms = new Float32Array(protonCount);
for (let i = 0; i < protonCount; i++) {
pRandoms[i] = Math.random();
}
protonGeo.setAttribute("sRandom", new THREE.BufferAttribute(pRandoms, 1));
const protonMaterial = new THREE.ShaderMaterial({
vertexShader: vshaderProton,
fragmentShader: fshaderProton,
side: THREE.FrontSide,
transparent: true,
uniforms: {
randomness: { value: Math.random() },
utime: { value: 0 },
uTexture: { value: protonTexture },
},