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|
"use client"
import React, { useState, useEffect, useRef } from 'react';
import isMobile from '@/app/lib/isMobile';
import styles from './styles/blob.module.css';
function getRandomInt(min: number, max: number): number {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function getRandomColor(): string {
const letters = '0123456789ABCDEF';
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
return color;
}
function generateGradient(): string {
let gradient = 'conic-gradient(';
let firstTimeInter = true;
const colorCount = Math.floor(Math.random() * 5) + 2;
for (let i = 0; i < colorCount; i++) {
if (firstTimeInter) {
gradient += getRandomColor();
firstTimeInter = false;
} else {
gradient += ', ' + getRandomColor();
}
}
gradient += ')';
return gradient;
}
function RandomBlob() {
const blobRef = useRef<HTMLDivElement>(null);
const [isResetting, setIsResetting] = useState(false);
const mainInterval = useRef<NodeJS.Timeout | null>(null);
useEffect(() => {
mainInterval.current = setTimeout(resetBlob, getRandomInt(7500, 30000));
return () => {
if (mainInterval.current) {
clearTimeout(mainInterval.current);
}
};
}, []);
function randomPosition(element: HTMLElement) {
const x = getRandomInt(0, window.innerWidth);
const y = getRandomInt(0, window.innerHeight);
element.style.position = 'absolute';
element.style.left = `${x}px`;
element.style.top = `${y}px`;
};
function setRandomBlob() {
if (blobRef.current) {
blobRef.current.style.width = `${getRandomInt(50, 100)}%`;
blobRef.current.style.height = `${getRandomInt(50, 100)}%`;
blobRef.current.style.transform = `rotate(${getRandomInt(0, 360)}deg)`;
}
};
function rresetblob() {
setRandomBlob();
blobRef.current!.style.background = generateGradient();
randomPosition(blobRef.current!);
const fadeInAnimation = blobRef.current!.animate([
{ opacity: 0 },
{ opacity: 0.4 }
], {
duration: 3000,
iterations: 1,
fill: 'forwards'
});
fadeInAnimation?.addEventListener('finish', () => {
setIsResetting(false);
});
}
function resetBlob() {
if (blobRef.current) {
if (isResetting) {
return;
}
blobRef.current?.animate([
{ opacity: 0.4 },
{ opacity: 0, transform: 'scale(0.8)' }
], {
duration: 3000,
iterations: 1,
fill: 'forwards'
}).addEventListener('finish', rresetblob);
setIsResetting(true);
}
};
useEffect(rresetblob, []);
return (
<div
id="blob"
className={styles.blob}
ref={blobRef}
onClick={() => {
if (isResetting) {
return;
}
setIsResetting(true);
if (mainInterval.current) {
clearTimeout(mainInterval.current);
}
resetBlob();
}}
/>
);
};
function MouseBlob() {
const blobRef = useRef<HTMLDivElement>(null);
useEffect(() => {
const handlePointerMove = (event: PointerEvent) => {
if (blobRef.current) {
const { pageX, pageY } = event;
// Get Initial Momentum
const momentumX = pageX + pageX - blobRef.current.offsetLeft;
const momentumY = pageY + pageY - blobRef.current.offsetTop;
// Move to momentum offset position
blobRef.current.animate({
left: `${momentumX}px`,
top: `${momentumY}px`
}, { duration: 1000, fill: "forwards" });
// Move/Bounce back to initial mouse after momentum
blobRef.current.animate({
left: `${pageX}px`,
top: `${pageY}px`
}, { duration: 500, fill: "forwards" });
// Set Default Initial position for blob / fix safari as the animate don't persist (it doesn't care about fill forwards)
blobRef.current.style.left = `${pageX}px`;
blobRef.current.style.top = `${pageY}px`;
}
};
window.addEventListener('pointermove', handlePointerMove);
return () => {
window.removeEventListener('pointermove', handlePointerMove);
};
}, []);
return (
<div
id="blob"
className={styles.sblob}
ref={blobRef}
style={{ position: 'absolute' }}
/>
);
}
export default function Blob({ blobtype: initialBlobType }: { blobtype?: string }) {
const [blobtype, setBlobtype] = useState<string | undefined>(initialBlobType);
if (blobtype === undefined) {
isMobile().then((isMobile) => {
setBlobtype(isMobile ? 'random' : 'mouse');
});
} else if (blobtype !== 'random' && blobtype !== 'mouse') {
throw new Error(`Invalid blob type ${blobtype}`);
}
if (blobtype === undefined) {
return null; // or a loading spinner
}
return blobtype === 'random' ? <RandomBlob /> : <MouseBlob />;
}
|
