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script.js
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script.js
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const canvas = document.getElementById('canvas1');
const ctx = canvas.getContext('2d');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const particlesArray = [];
let hue = 0;
window.addEventListener('resize', () => {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
});
canvas.addEventListener('click', (event) => {
for (let i = 0; i < 250; i++) {
particlesArray.push(new Particle(event.x, event.y));
}
});
canvas.addEventListener('mousemove', (event) => {
for (let i = 0; i < 5; i++) {
particlesArray.push(new Particle(event.x, event.y));
}
});
class Particle {
constructor(x = Math.random() * canvas.width, y = Math.random() * canvas.height) {
this.x = x;
this.y = y;
this.size = Math.random() * 15 + 1;
this.speedX = Math.random() * 3 - 1.5; // (-1.5, 1.5)
this.speedY = Math.random() * 3 - 1.5; // (-1.5, 1.5)
this.color = `hsl(${hue}, 100%, 50%)`;
}
update() {
this.x += this.speedX;
this.y += this.speedY;
if (this.size > 0.2) {
this.size -= 0.1;
}
}
draw() {
ctx.fillStyle = this.color;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fill();
}
}
function handleParticles() {
for (let i = 0; i < particlesArray.length; i++) {
particlesArray[i].update();
particlesArray[i].draw();
for (let j = i; j < particlesArray.length; j++) {
const dx = particlesArray[i].x - particlesArray[j].x;
const dy = particlesArray[i].y - particlesArray[j].y;
const distance = Math.sqrt(dx * dx + dy * dy);
if (distance < 100) {
ctx.beginPath();
ctx.strokeStyle = particlesArray[i].color;
ctx.lineWidth = particlesArray[i].size / 10;
ctx.moveTo(particlesArray[i].x, particlesArray[i].y);
ctx.lineTo(particlesArray[j].x, particlesArray[j].y);
ctx.stroke();
}
}
if (particlesArray[i].size <= 0.3) {
particlesArray.splice(i, 1);
i--;
}
}
}
function animate() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Trail effect
// ctx.fillStyle = 'rgba(0,0,0,0.02)';
// ctx.fillRect(0, 0, canvas.width, canvas.height);
handleParticles();
hue += 2;
requestAnimationFrame(animate);
}
animate();