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index.html
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<!DOCTYPE html>
<html>
<head>
<title>That one bouncing ball simulation from TikTok...?</title>
<style>
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');
body {
font-family: 'Poppins', sans-serif;
background-color: #1a0000;
color: #ffe0e0;
margin: 0;
padding: 0;
display: flex;
justify-content: space-between;
align-items: center;
min-height: 100vh;
}
.container {
display: flex;
width: 100%;
height: 100vh;
}
h1 {
font-size: 1.4em;
margin-bottom: 20px;
text-align: center;
font-weight: 600;
}
#simulationCanvas {
border: 2px solid #ff4c4c;
border-radius: 10px;
}
.controls {
display: flex;
flex-direction: column;
gap: 15px;
width: 250px;
padding: 20px;
overflow-y: auto;
height: 100vh;
box-sizing: border-box;
}
.control-group {
background-color: rgba(255, 255, 255, 0.05);
padding: 15px;
border-radius: 10px;
}
.button {
background-color: #ff4c4c;
color: white;
border: none;
padding: 10px 20px;
font-size: 1em;
font-family: 'Poppins', sans-serif;
cursor: pointer;
border-radius: 5px;
transition: background-color 0.3s, transform 0.1s;
width: 100%;
margin-bottom: 10px;
}
.button:hover {
background-color: #ff3333;
}
.button:active {
transform: scale(0.98);
}
.slider-container {
display: flex;
flex-direction: column;
margin-bottom: 15px;
}
.slider-container label {
margin-bottom: 5px;
font-weight: 300;
}
.slider {
-webkit-appearance: none;
width: 100%;
height: 8px;
border-radius: 5px;
background: #3a0000;
outline: none;
opacity: 0.7;
transition: opacity .2s;
}
.slider:hover {
opacity: 1;
}
.slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
border-radius: 50%;
background: #ff4c4c;
cursor: pointer;
}
.slider::-moz-range-thumb {
width: 20px;
height: 20px;
border-radius: 50%;
background: #ff4c4c;
cursor: pointer;
}
#stats, #fps {
margin-top: 20px;
font-size: 1em;
text-align: center;
}
#socialLinks {
margin-top: 20px;
text-align: center;
}
#socialLinks a {
display: inline-block;
margin: 10px 5px;
}
.toggle-switch {
position: relative;
display: inline-block;
width: 50px;
height: 24px;
}
.toggle-switch input {
opacity: 0;
width: 0;
height: 0;
}
.toggle-slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
transition: .4s;
border-radius: 24px;
}
.toggle-slider:before {
position: absolute;
content: "";
height: 16px;
width: 16px;
left: 4px;
bottom: 4px;
background-color: white;
transition: .4s;
border-radius: 50%;
}
input:checked + .toggle-slider {
background-color: #ff4c4c;
}
input:checked + .toggle-slider:before {
transform: translateX(26px);
}
.toggle-container {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
}
.toggle-container label {
flex-grow: 1;
margin-right: 10px;
}
select {
width: 100%;
padding: 8px;
border-radius: 5px;
background-color: #3a0000;
color: #ffe0e0;
border: 1px solid #ff4c4c;
font-family: 'Poppins', sans-serif;
}
.simulation-container {
display: flex;
justify-content: center;
align-items: center;
flex-grow: 1;
}
#simulationStatus {
text-align: center;
font-weight: bold;
margin-bottom: 10px;
}
.status-on {
color: #4caf50;
}
.status-off {
color: #f44336;
}
a {
text-decoration: none;
color: white;
}
</style>
</head>
<body>
<div class="container">
<div class="controls">
<h1>That one bouncing ball simulation from TikTok...?</h1>
<div id="simulationStatus" class="status-off">Simulation: OFF</div>
<div class="control-group">
<button id="startStopButton" class="button">Start/Stop</button>
<button id="resetButton" class="button">Reset</button>
<button id="addBallButton" class="button">Add Ball</button>
</div>
<div class="control-group">
<div class="slider-container">
<label for="speedSlider">Speed</label>
<input type="range" min="1" max="500" value="100" class="slider" id="speedSlider">
</div>
<div class="slider-container">
<label for="cloneFrequencySlider">Clone Frequency</label>
<input type="range" min="1" max="20" value="3" class="slider" id="cloneFrequencySlider">
</div>
<div class="slider-container">
<label for="growthRateSlider">Growth Rate</label>
<input type="range" min="1" max="100" value="10" class="slider" id="growthRateSlider">
</div>
</div>
<div class="control-group">
<div class="slider-container">
<label for="elasticitySlider">Elasticity</label>
<input type="range" min="50" max="150" value="100" class="slider" id="elasticitySlider">
</div>
<div class="slider-container">
<label for="gravitySlider">Gravity</label>
<input type="range" min="0" max="100" value="0" class="slider" id="gravitySlider">
</div>
<div class="slider-container">
<label for="bloomIntensitySlider">Bloom Intensity</label>
<input type="range" min="0" max="20" value="10" class="slider" id="bloomIntensitySlider">
</div>
</div>
</div>
<div class="simulation-container">
<canvas id="simulationCanvas" width="800" height="800"></canvas>
</div>
<div class="controls">
<div class="control-group">
<div class="slider-container">
<label for="randomnessSlider">Bounce Randomness</label>
<input type="range" min="0" max="100" value="20" class="slider" id="randomnessSlider">
</div>
<div class="slider-container">
<label for="volumeSlider">Sound Volume</label>
<input type="range" min="0" max="100" value="20" class="slider" id="volumeSlider">
</div>
</div>
<div class="control-group">
<div class="toggle-container">
<label for="colorChangeToggle">Color Change on Bounce</label>
<label class="toggle-switch">
<input type="checkbox" id="colorChangeToggle" checked>
<span class="toggle-slider"></span>
</label>
</div>
<div class="toggle-container">
<label for="soundToggle">Sound Effects</label>
<label class="toggle-switch">
<input type="checkbox" id="soundToggle" checked>
<span class="toggle-slider"></span>
</label>
</div>
<div class="toggle-container">
<label for="ballCollisionToggle">Ball Collision</label>
<label class="toggle-switch">
<input type="checkbox" id="ballCollisionToggle">
<span class="toggle-slider"></span>
</label>
</div>
</div>
<div class="control-group">
<label for="environmentSelect">Environment</label>
<select id="environmentSelect">
<option value="circle">Circle</option>
<option value="square">Square</option>
<option value="triangle">Triangle</option>
<option value="squareWithObjects">Square with Objects</option>
</select>
</div>
<div id="stats">Balls: 1 | Average Size: 10</div>
<div id="fps">FPS: 0</div>
<div id="socialLinks">
<a href="https://github.com/aiwebarchitects/ball-simulation-from-TikTok">
<img src="https://img.shields.io/github/stars/aiwebarchitects/ball-simulation-from-TikTok.svg?style=social&label=Star" alt="GitHub stars">
</a>
<a href="https://twitter.com/aiwebarchitects">
<img src="https://img.shields.io/twitter/follow/aiwebarchitects.svg?style=social&label=Follow" alt="Follow on Twitter">
</a>
<a href="https://aiwebarchitects.com/">
<button class="button">Visit Shop</button>
</a>
<p>Created with ❤ by <a href="https://aiwebarchitects.com/">AI Web Architects</a></p>
</div>
</div>
</div>
<script>
const canvas = document.getElementById('simulationCanvas');
const ctx = canvas.getContext('2d');
const startStopButton = document.getElementById('startStopButton');
const resetButton = document.getElementById('resetButton');
const addBallButton = document.getElementById('addBallButton');
const speedSlider = document.getElementById('speedSlider');
const cloneFrequencySlider = document.getElementById('cloneFrequencySlider');
const growthRateSlider = document.getElementById('growthRateSlider');
const elasticitySlider = document.getElementById('elasticitySlider');
const gravitySlider = document.getElementById('gravitySlider');
const bloomIntensitySlider = document.getElementById('bloomIntensitySlider');
const randomnessSlider = document.getElementById('randomnessSlider');
const volumeSlider = document.getElementById('volumeSlider');
const colorChangeToggle = document.getElementById('colorChangeToggle');
const soundToggle = document.getElementById('soundToggle');
const ballCollisionToggle = document.getElementById('ballCollisionToggle');
const environmentSelect = document.getElementById('environmentSelect');
const statsDiv = document.getElementById('stats');
const fpsDiv = document.getElementById('fps');
const simulationStatus = document.getElementById('simulationStatus');
let balls = [];
let particles = [];
let isRunning = false;
let animationId;
let currentEnvironment = 'circle';
let obstacles = [];
let lastTime = 0;
let frameCount = 0;
let lastFpsUpdate = 0;
// Audio context setup
let audioContext;
function initAudio() {
audioContext = new (window.AudioContext || window.webkitAudioContext)();
}
function playBounceSound(volume, pitch) {
if (!audioContext || !soundToggle.checked) return;
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.type = 'sine';
oscillator.frequency.setValueAtTime(440 * pitch, audioContext.currentTime);
gainNode.gain.setValueAtTime(volume, audioContext.currentTime);
gainNode.gain.exponentialRampToValueAtTime(0.00001, audioContext.currentTime + 0.1);
oscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
oscillator.start();
oscillator.stop(audioContext.currentTime + 0.1);
}
class Ball {
constructor(x, y, radius, dx, dy, color) {
this.x = x;
this.y = y;
this.radius = radius;
this.dx = dx;
this.dy = dy;
this.color = color;
this.bounceCount = 0;
this.invulnerable = true;
this.invulnerabilityTimer = 500; // 500ms (0.5 second) invulnerability
this.lastBounceTime = 0;
}
draw() {
const bloomIntensity = bloomIntensitySlider.value / 20;
const glowSize = this.radius * (1 + bloomIntensity);
const gradient = ctx.createRadialGradient(this.x, this.y, 0, this.x, this.y, glowSize);
const rgbaColor = this.hexToRgba(this.color, 1);
const transparentColor = this.hexToRgba(this.color, 0);
gradient.addColorStop(0, rgbaColor);
gradient.addColorStop(1 - bloomIntensity, rgbaColor);
gradient.addColorStop(1, transparentColor);
ctx.beginPath();
ctx.arc(this.x, this.y, glowSize, 0, Math.PI * 2);
ctx.fillStyle = gradient;
ctx.fill();
ctx.closePath();
// Draw the solid ball
ctx.beginPath();
ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2);
ctx.fillStyle = this.color;
ctx.fill();
ctx.closePath();
// Add glow effect
ctx.shadowBlur = bloomIntensity * 20;
ctx.shadowColor = this.color;
}
hexToRgba(hex, alpha) {
const r = parseInt(hex.slice(1, 3), 16);
const g = parseInt(hex.slice(3, 5), 16);
const b = parseInt(hex.slice(5, 7), 16);
return "rgba(" + r + "," + g + "," + b + "," + alpha + ")";
}
update(deltaTime) {
if (this.invulnerable) {
this.invulnerabilityTimer -= deltaTime;
if (this.invulnerabilityTimer <= 0) {
this.invulnerable = false;
}
}
// Store previous position
const prevX = this.x;
const prevY = this.y;
// Update position
this.x += this.dx * (speedSlider.value / 100);
this.y += this.dy * (speedSlider.value / 100);
// Apply gravity
this.dy += parseFloat(gravitySlider.value) / 1000;
// Check for collisions
const collision = this.checkCollision();
if (collision) {
// Revert to previous position
this.x = prevX;
this.y = prevY;
// Handle the collision
this.handleCollision(collision.nx, collision.ny, deltaTime);
}
// Ensure the ball stays within bounds
this.constrainToBounds();
// Check for ball collisions if enabled
if (ballCollisionToggle.checked) {
this.checkBallCollisions();
}
}
checkCollision() {
let collision = null;
if (currentEnvironment === 'circle') {
const centerX = canvas.width / 2;
const centerY = canvas.height / 2;
const maxRadius = canvas.width / 2 - this.radius;
const distanceFromCenter = Math.sqrt(Math.pow(this.x - centerX, 2) + Math.pow(this.y - centerY, 2));
if (distanceFromCenter > maxRadius) {
const nx = (this.x - centerX) / distanceFromCenter;
const ny = (this.y - centerY) / distanceFromCenter;
collision = { nx, ny };
}
} else if (currentEnvironment === 'square') {
if (this.x - this.radius < 0) collision = { nx: 1, ny: 0 };
if (this.x + this.radius > canvas.width) collision = { nx: -1, ny: 0 };
if (this.y - this.radius < 0) collision = { nx: 0, ny: 1 };
if (this.y + this.radius > canvas.height) collision = { nx: 0, ny: -1 };
} else if (currentEnvironment === 'triangle') {
// Triangle collision detection logic
const height = canvas.height;
const base = canvas.width;
// Check bottom side
if (this.y + this.radius > height) {
collision = { nx: 0, ny: -1 };
}
// Check left side
const leftSlope = height / (base / 2);
const leftYIntercept = -leftSlope * (this.x - this.radius) + this.y;
if (leftYIntercept > height) {
const angle = Math.atan(leftSlope);
collision = { nx: Math.cos(angle), ny: -Math.sin(angle) };
}
// Check right side
const rightSlope = -height / (base / 2);
const rightYIntercept = -rightSlope * (this.x + this.radius) + this.y;
if (rightYIntercept > height) {
const angle = Math.atan(rightSlope);
collision = { nx: -Math.cos(angle), ny: -Math.sin(angle) };
}
} else if (currentEnvironment === 'squareWithObjects') {
// Square with objects collision detection logic
if (this.x - this.radius < 0) collision = { nx: 1, ny: 0 };
if (this.x + this.radius > canvas.width) collision = { nx: -1, ny: 0 };
if (this.y - this.radius < 0) collision = { nx: 0, ny: 1 };
if (this.y + this.radius > canvas.height) collision = { nx: 0, ny: -1 };
// Check collision with obstacles
for (let obstacle of obstacles) {
const dx = this.x - Math.max(obstacle.x, Math.min(this.x, obstacle.x + obstacle.width));
const dy = this.y - Math.max(obstacle.y, Math.min(this.y, obstacle.y + obstacle.height));
if (dx * dx + dy * dy < this.radius * this.radius) {
const nx = dx === 0 ? 0 : dx / Math.abs(dx);
const ny = dy === 0 ? 0 : dy / Math.abs(dy);
collision = { nx, ny };
break;
}
}
}
return collision;
}
handleCollision(nx, ny, deltaTime) {
const elasticity = elasticitySlider.value / 100;
const randomness = randomnessSlider.value / 100;
// Calculate the dot product of velocity and normal
const dotProduct = this.dx * nx + this.dy * ny;
// Calculate the new velocity components
this.dx = elasticity * (this.dx - 2 * dotProduct * nx);
this.dy = elasticity * (this.dy - 2 * dotProduct * ny);
// Add randomness to the bounce
this.dx += (Math.random() - 0.5) * randomness * 2;
this.dy += (Math.random() - 0.5) * randomness * 2;
// Increment bounce count
this.bounceCount++;
// Play bounce sound
const volume = volumeSlider.value / 100;
const pitch = 1 + (this.bounceCount % 5) * 0.1;
playBounceSound(volume, pitch);
// Change color if enabled
if (colorChangeToggle.checked) {
this.color = this.getRandomColor();
}
// Create particles on bounce
this.createParticles();
// Grow the ball
const growthRate = growthRateSlider.value / 100;
this.radius += growthRate;
this.lastBounceTime = Date.now();
}
constrainToBounds() {
if (currentEnvironment === 'circle') {
const centerX = canvas.width / 2;
const centerY = canvas.height / 2;
const maxRadius = canvas.width / 2 - this.radius;
const distanceFromCenter = Math.sqrt(Math.pow(this.x - centerX, 2) + Math.pow(this.y - centerY, 2));
if (distanceFromCenter > maxRadius) {
const angle = Math.atan2(this.y - centerY, this.x - centerX);
this.x = centerX + Math.cos(angle) * maxRadius;
this.y = centerY + Math.sin(angle) * maxRadius;
}
} else {
if (this.x - this.radius < 0) this.x = this.radius;
if (this.x + this.radius > canvas.width) this.x = canvas.width - this.radius;
if (this.y - this.radius < 0) this.y = this.radius;
if (this.y + this.radius > canvas.height) this.y = canvas.height - this.radius;
}
}
checkBallCollisions() {
for (let i = 0; i < balls.length; i++) {
if (this === balls[i]) continue;
const dx = this.x - balls[i].x;
const dy = this.y - balls[i].y;
const distance = Math.sqrt(dx * dx + dy * dy);
if (distance < this.radius + balls[i].radius) {
// Collision detected
const angle = Math.atan2(dy, dx);
const sin = Math.sin(angle);
const cos = Math.cos(angle);
// Rotate ball velocities
const vx1 = this.dx * cos + this.dy * sin;
const vy1 = this.dy * cos - this.dx * sin;
const vx2 = balls[i].dx * cos + balls[i].dy * sin;
const vy2 = balls[i].dy * cos - balls[i].dx * sin;
// Swap ball velocities
const tempVx1 = vx1;
const tempVy1 = vy1;
this.dx = vx2 * cos - vy2 * sin;
this.dy = vy2 * cos + vx2 * sin;
balls[i].dx = tempVx1 * cos - tempVy1 * sin;
balls[i].dy = tempVy1 * cos + tempVx1 * sin;
// Move balls apart to prevent sticking
const overlap = this.radius + balls[i].radius - distance;
const moveX = (overlap / 2) * Math.cos(angle);
const moveY = (overlap / 2) * Math.sin(angle);
this.x += moveX;
this.y += moveY;
balls[i].x -= moveX;
balls[i].y -= moveY;
// Play collision sound
const volume = volumeSlider.value / 100;
const pitch = 1 + (Math.random() - 0.5) * 0.2;
playBounceSound(volume, pitch);
// Create particles on collision
this.createParticles();
balls[i].createParticles();
}
}
}
createParticles() {
if (particles.length < 100) {
const particleCount = 5;
for (let i = 0; i < particleCount; i++) {
particles.push(new Particle(this.x, this.y, this.color));
}
}
}
getRandomColor() {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
}
class Particle {
constructor(x, y, color) {
this.x = x;
this.y = y;
this.color = color;
this.size = Math.random() * 3 + 1;
this.speedX = Math.random() * 3 - 1.5;
this.speedY = Math.random() * 3 - 1.5;
this.lifetime = 200;
}
update() {
this.x += this.speedX;
this.y += this.speedY;
this.lifetime--;
}
draw() {
ctx.globalAlpha = this.lifetime / 200;
ctx.fillStyle = this.color;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fill();
ctx.globalAlpha = 1;
}
}
function init() {
balls = [];
particles = [];
addBall();
initAudio();
createObstacles();
}
function createObstacles() {
obstacles = [];
if (currentEnvironment === 'squareWithObjects') {
obstacles.push({ x: 200, y: 200, width: 100, height: 100 });
obstacles.push({ x: 500, y: 500, width: 150, height: 80 });
}
}
function addBall() {
const x = canvas.width / 2;
const y = canvas.height / 2;
const radius = 10;
const dx = (Math.random() - 0.5) * 5;
const dy = (Math.random() - 0.5) * 5;
const color = getRandomColor();
balls.push(new Ball(x, y, radius, dx, dy, color));
}
function getRandomColor() {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
function drawEnvironment() {
ctx.strokeStyle = '#ff4c4c';
ctx.lineWidth = 2;
if (currentEnvironment === 'circle') {
ctx.beginPath();
ctx.arc(canvas.width / 2, canvas.height / 2, canvas.width / 2 - 1, 0, Math.PI * 2);
ctx.stroke();
} else if (currentEnvironment === 'square') {
ctx.strokeRect(1, 1, canvas.width - 2, canvas.height - 2);
} else if (currentEnvironment === 'triangle') {
ctx.beginPath();
ctx.moveTo(1, canvas.height - 1);
ctx.lineTo(canvas.width / 2, 1);
ctx.lineTo(canvas.width - 1, canvas.height - 1);
ctx.closePath();
ctx.stroke();
} else if (currentEnvironment === 'squareWithObjects') {
ctx.strokeRect(1, 1, canvas.width - 2, canvas.height - 2);
ctx.fillStyle = '#ff4c4c';
for (let obstacle of obstacles) {
ctx.fillRect(obstacle.x, obstacle.y, obstacle.width, obstacle.height);
}
}
}
function animate(currentTime) {
if (!isRunning) return;
const deltaTime = currentTime - lastTime;
lastTime = currentTime;
frameCount++;
if (currentTime - lastFpsUpdate > 1000) {
const fps = Math.round((frameCount * 1000) / (currentTime - lastFpsUpdate));
fpsDiv.textContent = "FPS: " + fps;
frameCount = 0;
lastFpsUpdate = currentTime;
}
ctx.clearRect(0, 0, canvas.width, canvas.height);
drawEnvironment();
// Update and draw balls
for (let i = 0; i < balls.length; i++) {
balls[i].update(deltaTime);
balls[i].draw();
}
// Update and draw particles
for (let i = particles.length - 1; i >= 0; i--) {
particles[i].update();
particles[i].draw();
if (particles[i].lifetime <= 0) {
particles.splice(i, 1);
}
}
// Clone balls
if (Math.random() < 1 / (60 * cloneFrequencySlider.value)) {
if (balls.length < 50) { // Limit to 50 balls
const randomBall = balls[Math.floor(Math.random() * balls.length)];
const newBall = new Ball(
randomBall.x,
randomBall.y,
randomBall.radius,
randomBall.dx * (Math.random() * 0.5 + 0.75),
randomBall.dy * (Math.random() * 0.5 + 0.75),
getRandomColor()
);
balls.push(newBall);
}
}
// Update stats
updateStats();
animationId = requestAnimationFrame(animate);
}
function updateStats() {
const totalSize = balls.reduce((sum, ball) => sum + ball.radius, 0);
const averageSize = totalSize / balls.length;
statsDiv.textContent = "Balls: " + balls.length + " | Average Size: " + averageSize.toFixed(2);
}
function toggleSimulation() {
isRunning = !isRunning;
if (isRunning) {
lastTime = performance.now();
animate(lastTime);
simulationStatus.textContent = 'Simulation: ON';
simulationStatus.classList.remove('status-off');
simulationStatus.classList.add('status-on');
} else {
cancelAnimationFrame(animationId);
simulationStatus.textContent = 'Simulation: OFF';
simulationStatus.classList.remove('status-on');
simulationStatus.classList.add('status-off');
}
}
function resetSimulation() {
balls = [];
particles = [];
addBall();
createObstacles();
if (!isRunning) {
ctx.clearRect(0, 0, canvas.width, canvas.height);
drawEnvironment();
balls[0].draw();
}
updateStats();
}
startStopButton.addEventListener('click', toggleSimulation);
resetButton.addEventListener('click', resetSimulation);
addBallButton.addEventListener('click', addBall);
environmentSelect.addEventListener('change', (e) => {
currentEnvironment = e.target.value;
resetSimulation();
});
init();
drawEnvironment();
""
balls[0].draw();
updateStats();
// Start animation loop if running
if (isRunning) {
lastTime = performance.now();
animate(lastTime);
}
</script>
</body>
</html>