Animation de cœur explosif cliquable

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10 August 2024

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HTML

<!DOCTYPE html>
<html lang="fr">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Cœur Explosif Géant</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>

CSS

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0; 
    font-family: sans-serif;
    overflow: hidden; 
}

.heart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative; 
    width: 400px;
    height: 400px; 
    justify-content: center; 
}

#click-counter {
    position: absolute; 
    top: -50px; 
    font-size: 28px; 
    font-weight: bold;
    color: #333;
    z-index: 10;
}

#heart-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: transform 0.2s ease-out; 
    position: relative;
    z-index: 10;
}

.heart-icon {
    width: 400px; 
    height: 400px; 
    fill: #CC3A3A; 
    transition: transform 0.2s ease-out, opacity 0.5s;
    transform-origin: center;
}

.heart-hidden {
    opacity: 0 !important;
    transform: scale(0) !important;
}

#particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; 
}

.particle {
    position: absolute;
    top: 50%; 
    left: 50%;
    transform: translate(-50%, -50%); 
    
    width: 30px; 
    height: 30px;
    fill: #FF69B4; 
    opacity: 0; 
    transition: opacity 0.5s; 
    pointer-events: none; 
}

@keyframes explode {
    0% {
        transform: translate(-50%, -50%) scale(1); 
        opacity: 1;
    }
    100% {
        transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y))) scale(0.2); 
        opacity: 0; 
    }
}

JS

const heartButton = document.getElementById('heart-button');
const heartIcon = document.querySelector('.heart-icon');
const clickCounterDisplay = document.getElementById('click-counter');
const particlesContainer = document.getElementById('particles-container');

let clickCount = 0;
const MAX_CLICKS = 10;
const INITIAL_SIZE = 400;

function handleHeartClick() {
    if (clickCount >= MAX_CLICKS) {
        return; 
    }

clickCount++;
    clickCounterDisplay.textContent = `${clickCount} / ${MAX_CLICKS}`;

const scaleFactor = 1 + (clickCount * 0.1); 
    heartIcon.style.transform = `scale(${scaleFactor})`;

if (clickCount === MAX_CLICKS) {
        explodeHeart();
    }
}

function explodeHeart() {
    heartIcon.classList.add('heart-hidden');
    heartButton.removeEventListener('click', handleHeartClick);

const NUMBER_OF_PARTICLES = 1000; // Nombre de petits cœurs à faire exploser
    const EXPLOSION_RADIUS = 890; // Rayon de l'explosion en pixels

for (let i = 0; i < NUMBER_OF_PARTICLES; i++) {
        const particle = createParticle();
        particlesContainer.appendChild(particle);

const angle = Math.random() * Math.PI * 2;
        const distance = Math.random() * EXPLOSION_RADIUS;

const randomX = Math.cos(angle) * distance;
        const randomY = Math.sin(angle) * distance;

particle.style.setProperty('--x', `${randomX}px`);
        particle.style.setProperty('--y', `${randomY}px`);
        
        const delay = Math.random() * 0.3;
        particle.style.animation = `explode 1.2s ease-out ${delay}s forwards`;
    }

setTimeout(resetGame, 2000);
}

function createParticle() {
    const svgPath = heartIcon.querySelector('path').cloneNode(true);
    
    const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
    svg.setAttribute('viewBox', heartIcon.getAttribute('viewBox'));
    svg.setAttribute('class', 'particle');
    svg.appendChild(svgPath);

return svg;
}

heartButton.addEventListener('click', handleHeartClick);

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