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import { gsap } from 'gsap';
export interface TargetCursorProps {
targetSelector?: string;
spinDuration?: number;
hideDefaultCursor?: boolean;
hoverDuration?: number;
parallaxOn?: boolean;
}
const TargetCursor: React.FC<TargetCursorProps> = ({
targetSelector = '.cursor-target',
spinDuration = 2,
hideDefaultCursor = true,
hoverDuration = 0.2,
parallaxOn = true
}) => {
const cursorRef = useRef<HTMLDivElement>(null);
const cornersRef = useRef<NodeListOf<HTMLDivElement> | null>(null);
const spinTl = useRef<gsap.core.Timeline | null>(null);
const dotRef = useRef<HTMLDivElement>(null);
const isActiveRef = useRef(false);
const targetCornerPositionsRef = useRef<{ x: number; y: number }[] | null>(null);
const tickerFnRef = useRef<(() => void) | null>(null);
const activeStrengthRef = useRef({ current: 0 });
const isMobile = useMemo(() => {
const hasTouchScreen = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
const isSmallScreen = window.innerWidth <= 768;
const userAgent = navigator.userAgent || navigator.vendor || (window as any).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: number, y: number) => {
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 style = document.createElement('style');
style.id = 'hide-default-cursor-style';
style.innerHTML = `
* { cursor: none !important; }
`;
document.head.appendChild(style);
}
const cursor = cursorRef.current;
cornersRef.current = cursor.querySelectorAll<HTMLDivElement>('.target-cursor-corner');
let activeTarget: Element | null = null;
let currentLeaveHandler: (() => void) | null = null;
let resumeTimeout: ReturnType<typeof setTimeout> | null = null;
const cleanupTarget = (target: Element) => {
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.current;
if (strength === 0) return;
const cursorX = gsap.getProperty(cursorRef.current, 'x') as number;
const cursorY = gsap.getProperty(cursorRef.current, 'y') as number;
const corners = Array.from(cornersRef.current);
corners.forEach((corner, i) => {
const currentX = gsap.getProperty(corner, 'x') as number;
const currentY = gsap.getProperty(corner, 'y') as number;
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: MouseEvent) => moveCursor(e.clientX, e.clientY);
window.addEventListener('mousemove', moveHandler);
const scrollHandler = () => {
if (!activeTarget || !cursorRef.current) return;
const mouseX = gsap.getProperty(cursorRef.current, 'x') as number;
const mouseY = gsap.getProperty(cursorRef.current, 'y') as number;
const elementUnderMouse = document.elementFromPoint(mouseX, mouseY);
const isStillOverTarget =
elementUnderMouse &&
(elementUnderMouse === activeTarget || elementUnderMouse.closest(targetSelector) === activeTarget);
if (!isStillOverTarget) {
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: MouseEvent) => {
const directTarget = e.target as Element;
const allTargets: Element[] = [];
let current: Element | null = 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') as number;
const cursorY = gsap.getProperty(cursorRef.current, 'y') as number;
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, { 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, { 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') as number;
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 as EventListener);
return () => {
if (tickerFnRef.current) {
gsap.ticker.remove(tickerFnRef.current);
}
window.removeEventListener('mousemove', moveHandler);
window.removeEventListener('mouseover', enterHandler as EventListener);
window.removeEventListener('scroll', scrollHandler);
window.removeEventListener('mousedown', mouseDownHandler);
window.removeEventListener('mouseup', mouseUpHandler);
if (activeTarget) {
cleanupTarget(activeTarget);
}
spinTl.current?.kill();
document.body.style.cursor = originalCursor;
const styleTag = document.getElementById('hide-default-cursor-style');
if (styleTag) styleTag.remove();
isActiveRef.current = false;
targetCornerPositionsRef.current = null;
activeStrengthRef.current.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', mixBlendMode: 'difference' }}
/>
<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', mixBlendMode: 'difference' }}
/>
<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', mixBlendMode: 'difference' }}
/>
<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', mixBlendMode: 'difference' }}
/>
<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', mixBlendMode: 'difference' }}
/>
</div>
);
};
export default TargetCursor;
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