profilePage/public/js/snow.js

84 lines
2.6 KiB
JavaScript

document.addEventListener("DOMContentLoaded", () => {
const snowContainer = document.createElement("div");
snowContainer.style.position = "fixed";
snowContainer.style.top = "0";
snowContainer.style.left = "0";
snowContainer.style.width = "100vw";
snowContainer.style.height = "100vh";
snowContainer.style.pointerEvents = "none";
document.body.appendChild(snowContainer);
const maxSnowflakes = 60;
const snowflakes = [];
const mouse = { x: -100, y: -100 };
document.addEventListener("mousemove", (e) => {
mouse.x = e.clientX;
mouse.y = e.clientY;
});
const createSnowflake = () => {
if (snowflakes.length >= maxSnowflakes) {
const oldestSnowflake = snowflakes.shift();
snowContainer.removeChild(oldestSnowflake);
}
const snowflake = document.createElement("div");
snowflake.classList.add("snowflake");
snowflake.style.position = "absolute";
snowflake.style.width = `${Math.random() * 3 + 2}px`;
snowflake.style.height = snowflake.style.width;
snowflake.style.background = "white";
snowflake.style.borderRadius = "50%";
snowflake.style.opacity = Math.random();
snowflake.style.left = `${Math.random() * window.innerWidth}px`;
snowflake.style.top = `-${snowflake.style.height}`;
snowflake.speed = Math.random() * 3 + 2;
snowflake.directionX = (Math.random() - 0.5) * 0.5;
snowflake.directionY = Math.random() * 0.5 + 0.5;
snowflakes.push(snowflake);
snowContainer.appendChild(snowflake);
};
setInterval(createSnowflake, 80);
function updateSnowflakes() {
snowflakes.forEach((snowflake, index) => {
const rect = snowflake.getBoundingClientRect();
const dx = rect.left + rect.width / 2 - mouse.x;
const dy = rect.top + rect.height / 2 - mouse.y;
const distance = Math.sqrt(dx * dx + dy * dy);
if (distance < 30) {
snowflake.directionX += (dx / distance) * 0.02;
snowflake.directionY += (dy / distance) * 0.02;
} else {
snowflake.directionX += (Math.random() - 0.5) * 0.01;
snowflake.directionY += (Math.random() - 0.5) * 0.01;
}
snowflake.style.left = `${rect.left + snowflake.directionX * snowflake.speed}px`;
snowflake.style.top = `${rect.top + snowflake.directionY * snowflake.speed}px`;
if (rect.top + rect.height >= window.innerHeight) {
snowContainer.removeChild(snowflake);
snowflakes.splice(index, 1);
}
if (
rect.left > window.innerWidth ||
rect.top > window.innerHeight ||
rect.left < 0
) {
snowflake.style.left = `${Math.random() * window.innerWidth}px`;
snowflake.style.top = `-${snowflake.style.height}`;
}
});
requestAnimationFrame(updateSnowflakes);
}
updateSnowflakes();
});