From 2f526c30c9e4ad630b53d054249a1fdde88a858a Mon Sep 17 00:00:00 2001 From: Thomas Dannenberg Date: Tue, 4 Nov 2025 12:21:00 +0000 Subject: [PATCH] adventskalender/shared/js/glitter.js aktualisiert --- adventskalender/shared/js/glitter.js | 63 +++++++++++++++++----------- 1 file changed, 38 insertions(+), 25 deletions(-) diff --git a/adventskalender/shared/js/glitter.js b/adventskalender/shared/js/glitter.js index 95d410b..1dfff73 100644 --- a/adventskalender/shared/js/glitter.js +++ b/adventskalender/shared/js/glitter.js @@ -1,12 +1,12 @@ -// Glitter Hover Effekt – nur beim Hovern aktiv +// Bratonien Glitter Hover Effekt – feiner, rieselnder Staub document.querySelectorAll(".door").forEach(door => { - let canvas, ctx, particles = [], anim; + let canvas, ctx, particles = [], anim, hovering = false; // Canvas vorbereiten function setupCanvas() { if (canvas) return; canvas = document.createElement("canvas"); - canvas.width = door.offsetWidth * 1.4; // etwas größer für Randflug + canvas.width = door.offsetWidth * 1.4; canvas.height = door.offsetHeight * 1.4; canvas.style.position = "absolute"; canvas.style.top = "-20%"; @@ -17,52 +17,65 @@ document.querySelectorAll(".door").forEach(door => { ctx = canvas.getContext("2d"); } - // Partikel erzeugen - function createParticles() { - particles = Array.from({ length: 60 }, () => ({ - x: Math.random() * canvas.width, - y: Math.random() * canvas.height, - r: Math.random() * 1.5 + 0.3, - alpha: Math.random() * 0.8 + 0.2, - vx: (Math.random() - 0.5) * 0.8, - vy: (Math.random() - 0.7) * 1.2, - life: Math.random() * 80 + 30 - })); + // Neue Partikel erzeugen (feiner, sanfter) + function addParticles() { + for (let i = 0; i < 3; i++) { + particles.push({ + x: Math.random() * canvas.width, + y: -5, // startet oben, rieselt nach unten + r: Math.random() * 0.8 + 0.2, + alpha: Math.random() * 0.6 + 0.3, + vx: (Math.random() - 0.5) * 0.2, // leichtes Driften + vy: Math.random() * 0.6 + 0.3, // nach unten + life: Math.random() * 200 + 80 + }); + } } - // Zeichnen + // Zeichnen und Bewegung function draw() { ctx.clearRect(0, 0, canvas.width, canvas.height); + + if (hovering) addParticles(); + particles.forEach(p => { ctx.beginPath(); const grad = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, p.r * 3); - grad.addColorStop(0, `rgba(255, 230, 120, ${p.alpha})`); + grad.addColorStop(0, `rgba(255, 235, 160, ${p.alpha})`); + grad.addColorStop(0.3, `rgba(255, 220, 120, ${p.alpha * 0.8})`); grad.addColorStop(1, "transparent"); ctx.fillStyle = grad; ctx.arc(p.x, p.y, p.r * 3, 0, Math.PI * 2); ctx.fill(); - // Bewegung + // Bewegung – feines Rieseln p.x += p.vx; p.y += p.vy; - p.alpha -= 0.015; + p.alpha -= 0.002; p.life--; }); - particles = particles.filter(p => p.life > 0 && p.alpha > 0); - if (particles.length > 0) anim = requestAnimationFrame(draw); + + particles = particles.filter(p => p.life > 0 && p.y < canvas.height && p.alpha > 0); + anim = requestAnimationFrame(draw); } - // Hover Start + // Hover starten door.addEventListener("mouseenter", () => { setupCanvas(); - createParticles(); + hovering = true; cancelAnimationFrame(anim); draw(); }); - // Hover Ende + // Hover beenden door.addEventListener("mouseleave", () => { - cancelAnimationFrame(anim); - ctx.clearRect(0, 0, canvas.width, canvas.height); + hovering = false; + setTimeout(() => { + if (!hovering) { + cancelAnimationFrame(anim); + particles = []; + ctx.clearRect(0, 0, canvas.width, canvas.height); + } + }, 300); }); }); \ No newline at end of file