Files
Website/js/section-transitions.js
2025-08-17 14:16:58 +02:00

130 Zeilen
4.3 KiB
JavaScript

/**
* Section Transitions & Effects
* Modern animations for section dividers
*/
const SectionTransitions = {
init() {
this.initParticleBridge();
this.initScrollReveal();
this.initWaveAnimation();
this.initParallaxDividers();
},
// Animated particles between sections
initParticleBridge() {
const bridge = document.getElementById('particleBridge');
if (!bridge) return;
// Create floating particles
for (let i = 0; i < 30; i++) {
const particle = document.createElement('div');
particle.className = 'particle';
particle.style.left = Math.random() * 100 + '%';
particle.style.animationDelay = Math.random() * 5 + 's';
particle.style.animationDuration = (5 + Math.random() * 5) + 's';
particle.style.animation = `floatParticle ${5 + Math.random() * 5}s linear infinite`;
bridge.appendChild(particle);
}
},
// Reveal sections on scroll
initScrollReveal() {
const sections = document.querySelectorAll('.fade-section');
const revealSection = (entries, observer) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
entry.target.classList.add('visible');
// Add shimmer effect on reveal
const shimmer = document.createElement('div');
shimmer.style.cssText = `
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(15, 114, 181, 0.2), transparent);
animation: shimmerPass 1s ease-out forwards;
pointer-events: none;
z-index: 100;
`;
entry.target.style.position = 'relative';
entry.target.appendChild(shimmer);
setTimeout(() => shimmer.remove(), 1000);
}
});
};
const observer = new IntersectionObserver(revealSection, {
threshold: 0.1,
rootMargin: '0px 0px -100px 0px'
});
sections.forEach(section => observer.observe(section));
},
// Animate wave dividers
initWaveAnimation() {
const waves = document.querySelectorAll('.wave-divider path');
waves.forEach(wave => {
let time = 0;
const animateWave = () => {
time += 0.02;
const points = [];
for (let i = 0; i <= 10; i++) {
const x = (i / 10) * 1200;
const y = Math.sin((i / 10) * Math.PI * 2 + time) * 10 + 56;
points.push(`${x},${y}`);
}
// Create smooth wave path
const d = `M0,56 Q${points[2]} T${points[4]} T${points[6]} T${points[8]} T1200,56 L1200,0 L0,0 Z`;
wave.setAttribute('d', d);
requestAnimationFrame(animateWave);
};
// Start wave animation
// animateWave(); // Commented out for performance, uncomment for wave motion
});
},
// Parallax effect for dividers
initParallaxDividers() {
const dividers = document.querySelectorAll('.blob-divider, .gradient-divider, .flow-lines');
window.addEventListener('scroll', () => {
const scrolled = window.pageYOffset;
dividers.forEach(divider => {
const speed = divider.dataset.speed || 0.5;
const yPos = -(scrolled * speed);
divider.style.transform = `translateY(${yPos}px)`;
});
});
}
};
// Add shimmer animation
const style = document.createElement('style');
style.textContent = `
@keyframes shimmerPass {
to {
left: 100%;
opacity: 0;
}
}
`;
document.head.appendChild(style);
// Initialize when DOM is ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => SectionTransitions.init());
} else {
SectionTransitions.init();
}