import { useEffect, useRef, useCallback, useMemo } from 'react';
import { gsap } from 'gsap';
const TargetCursor = ({
targetSelector = '.cursor-target',
spinDuration = 2,
hideDefaultCursor = true,
hoverDuration = 0.2,
parallaxOn = true
}) => {
const cursorRef = useRef(null);
const cornersRef = useRef(null);
const spinTl = useRef(null);
const dotRef = useRef(null);
const isActiveRef = useRef(false);
const targetCornerPositionsRef = useRef(null);
const tickerFnRef = useRef(null);
const activeStrengthRef = useRef(0);
const isMobile = useMemo(() => {
const hasTouchScreen = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
const isSmallScreen = window.innerWidth <= 768;
const userAgent = navigator.userAgent || navigator.vendor || window.opera;
const mobileRegex = /android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i;
const isMobileUserAgent = mobileRegex.test(userAgent.toLowerCase());
return (hasTouchScreen && isSmallScreen) || isMobileUserAgent;
}, []);
const constants = useMemo(
() => ({
borderWidth: 3,
cornerSize: 12
}),
[]
);
const moveCursor = useCallback((x, y) => {
if (!cursorRef.current) return;
gsap.to(cursorRef.current, {
x,
y,
duration: 0.1,
ease: 'power3.out'
});
}, []);
useEffect(() => {
if (isMobile || !cursorRef.current) return;
const originalCursor = document.body.style.cursor;
if (hideDefaultCursor) {
document.body.style.cursor = 'none';
}
const cursor = cursorRef.current;
cornersRef.current = cursor.querySelectorAll('.target-cursor-corner');
let activeTarget = null;
let currentLeaveHandler = null;
let resumeTimeout = null;
const cleanupTarget = target => {
if (currentLeaveHandler) {
target.removeEventListener('mouseleave', currentLeaveHandler);
}
currentLeaveHandler = null;
};
gsap.set(cursor, {
xPercent: -50,
yPercent: -50,
x: window.innerWidth / 2,
y: window.innerHeight / 2
});
const createSpinTimeline = () => {
if (spinTl.current) {
spinTl.current.kill();
}
spinTl.current = gsap
.timeline({ repeat: -1 })
.to(cursor, { rotation: '+=360', duration: spinDuration, ease: 'none' });
};
createSpinTimeline();
const tickerFn = () => {
if (!targetCornerPositionsRef.current || !cursorRef.current || !cornersRef.current) {
return;
}
const strength = activeStrengthRef.current;
if (strength === 0) return;
const cursorX = gsap.getProperty(cursorRef.current, 'x');
const cursorY = gsap.getProperty(cursorRef.current, 'y');
const corners = Array.from(cornersRef.current);
corners.forEach((corner, i) => {
const currentX = gsap.getProperty(corner, 'x');
const currentY = gsap.getProperty(corner, 'y');
const targetX = targetCornerPositionsRef.current[i].x - cursorX;
const targetY = targetCornerPositionsRef.current[i].y - cursorY;
const finalX = currentX + (targetX - currentX) * strength;
const finalY = currentY + (targetY - currentY) * strength;
const duration = strength >= 0.99 ? (parallaxOn ? 0.2 : 0) : 0.05;
gsap.to(corner, {
x: finalX,
y: finalY,
duration: duration,
ease: duration === 0 ? 'none' : 'power1.out',
overwrite: 'auto'
});
});
};
tickerFnRef.current = tickerFn;
const moveHandler = e => moveCursor(e.clientX, e.clientY);
window.addEventListener('mousemove', moveHandler);
const scrollHandler = () => {
if (!activeTarget || !cursorRef.current) return;
const mouseX = gsap.getProperty(cursorRef.current, 'x');
const mouseY = gsap.getProperty(cursorRef.current, 'y');
const elementUnderMouse = document.elementFromPoint(mouseX, mouseY);
const isStillOverTarget =
elementUnderMouse &&
(elementUnderMouse === activeTarget || elementUnderMouse.closest(targetSelector) === activeTarget);
if (!isStillOverTarget) {
if (currentLeaveHandler) {
currentLeaveHandler();
}
}
};
window.addEventListener('scroll', scrollHandler, { passive: true });
const mouseDownHandler = () => {
if (!dotRef.current) return;
gsap.to(dotRef.current, { scale: 0.7, duration: 0.3 });
gsap.to(cursorRef.current, { scale: 0.9, duration: 0.2 });
};
const mouseUpHandler = () => {
if (!dotRef.current) return;
gsap.to(dotRef.current, { scale: 1, duration: 0.3 });
gsap.to(cursorRef.current, { scale: 1, duration: 0.2 });
};
window.addEventListener('mousedown', mouseDownHandler);
window.addEventListener('mouseup', mouseUpHandler);
const enterHandler = e => {
const directTarget = e.target;
const allTargets = [];
let current = directTarget;
while (current && current !== document.body) {
if (current.matches(targetSelector)) {
allTargets.push(current);
}
current = current.parentElement;
}
const target = allTargets[0] || null;
if (!target || !cursorRef.current || !cornersRef.current) return;
if (activeTarget === target) return;
if (activeTarget) {
cleanupTarget(activeTarget);
}
if (resumeTimeout) {
clearTimeout(resumeTimeout);
resumeTimeout = null;
}
activeTarget = target;
const corners = Array.from(cornersRef.current);
corners.forEach(corner => gsap.killTweensOf(corner));
gsap.killTweensOf(cursorRef.current, 'rotation');
spinTl.current?.pause();
gsap.set(cursorRef.current, { rotation: 0 });
const rect = target.getBoundingClientRect();
const { borderWidth, cornerSize } = constants;
const cursorX = gsap.getProperty(cursorRef.current, 'x');
const cursorY = gsap.getProperty(cursorRef.current, 'y');
targetCornerPositionsRef.current = [
{ x: rect.left - borderWidth, y: rect.top - borderWidth },
{ x: rect.right + borderWidth - cornerSize, y: rect.top - borderWidth },
{ x: rect.right + borderWidth - cornerSize, y: rect.bottom + borderWidth - cornerSize },
{ x: rect.left - borderWidth, y: rect.bottom + borderWidth - cornerSize }
];
isActiveRef.current = true;
gsap.ticker.add(tickerFnRef.current);
gsap.to(activeStrengthRef, { current: 1, duration: hoverDuration, ease: 'power2.out' });
corners.forEach((corner, i) => {
gsap.to(corner, {
x: targetCornerPositionsRef.current[i].x - cursorX,
y: targetCornerPositionsRef.current[i].y - cursorY,
duration: 0.2,
ease: 'power2.out'
});
});
const leaveHandler = () => {
gsap.ticker.remove(tickerFnRef.current);
isActiveRef.current = false;
targetCornerPositionsRef.current = null;
gsap.set(activeStrengthRef, { current: 0, overwrite: true });
activeTarget = null;
if (cornersRef.current) {
const corners = Array.from(cornersRef.current);
gsap.killTweensOf(corners);
const { cornerSize } = constants;
const positions = [
{ x: -cornerSize * 1.5, y: -cornerSize * 1.5 },
{ x: cornerSize * 0.5, y: -cornerSize * 1.5 },
{ x: cornerSize * 0.5, y: cornerSize * 0.5 },
{ x: -cornerSize * 1.5, y: cornerSize * 0.5 }
];
const tl = gsap.timeline();
corners.forEach((corner, index) => {
tl.to(corner, { x: positions[index].x, y: positions[index].y, duration: 0.3, ease: 'power3.out' }, 0);
});
}
resumeTimeout = setTimeout(() => {
if (!activeTarget && cursorRef.current && spinTl.current) {
const currentRotation = gsap.getProperty(cursorRef.current, 'rotation');
const normalizedRotation = currentRotation % 360;
spinTl.current.kill();
spinTl.current = gsap
.timeline({ repeat: -1 })
.to(cursorRef.current, { rotation: '+=360', duration: spinDuration, ease: 'none' });
gsap.to(cursorRef.current, {
rotation: normalizedRotation + 360,
duration: spinDuration * (1 - normalizedRotation / 360),
ease: 'none',
onComplete: () => {
spinTl.current?.restart();
}
});
}
resumeTimeout = null;
}, 50);
cleanupTarget(target);
};
currentLeaveHandler = leaveHandler;
target.addEventListener('mouseleave', leaveHandler);
};
window.addEventListener('mouseover', enterHandler, { passive: true });
return () => {
if (tickerFnRef.current) {
gsap.ticker.remove(tickerFnRef.current);
}
window.removeEventListener('mousemove', moveHandler);
window.removeEventListener('mouseover', enterHandler);
window.removeEventListener('scroll', scrollHandler);
window.removeEventListener('mousedown', mouseDownHandler);
window.removeEventListener('mouseup', mouseUpHandler);
if (activeTarget) {
cleanupTarget(activeTarget);
}
spinTl.current?.kill();
document.body.style.cursor = originalCursor;
isActiveRef.current = false;
targetCornerPositionsRef.current = null;
activeStrengthRef.current = 0;
};
}, [targetSelector, spinDuration, moveCursor, constants, hideDefaultCursor, isMobile, hoverDuration, parallaxOn]);
useEffect(() => {
if (isMobile || !cursorRef.current || !spinTl.current) return;
if (spinTl.current.isActive()) {
spinTl.current.kill();
spinTl.current = gsap
.timeline({ repeat: -1 })
.to(cursorRef.current, { rotation: '+=360', duration: spinDuration, ease: 'none' });
}
}, [spinDuration, isMobile]);
if (isMobile) {
return null;
}
return (
<div
ref={cursorRef}
className="fixed top-0 left-0 w-0 h-0 pointer-events-none z-[9999]"
style={{ willChange: 'transform' }}
>
<div
ref={dotRef}
className="absolute top-1/2 left-1/2 w-1 h-1 bg-white rounded-full -translate-x-1/2 -translate-y-1/2"
style={{ willChange: 'transform' }}
/>
<div
className="target-cursor-corner absolute top-1/2 left-1/2 w-3 h-3 border-[3px] border-white -translate-x-[150%] -translate-y-[150%] border-r-0 border-b-0"
style={{ willChange: 'transform' }}
/>
<div
className="target-cursor-corner absolute top-1/2 left-1/2 w-3 h-3 border-[3px] border-white translate-x-1/2 -translate-y-[150%] border-l-0 border-b-0"
style={{ willChange: 'transform' }}
/>
<div
className="target-cursor-corner absolute top-1/2 left-1/2 w-3 h-3 border-[3px] border-white translate-x-1/2 translate-y-1/2 border-l-0 border-t-0"
style={{ willChange: 'transform' }}
/>
<div
className="target-cursor-corner absolute top-1/2 left-1/2 w-3 h-3 border-[3px] border-white -translate-x-[150%] translate-y-1/2 border-r-0 border-t-0"
style={{ willChange: 'transform' }}
/>
</div>
);
};
export default TargetCursor;