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import { memo, useCallback, useEffect, useRef } from "react";
import { cn } from "@/src/lib/utils";
import { animate } from "motion/react";
interface GlowingEffectProps {
blur?: number;
inactiveZone?: number;
proximity?: number;
spread?: number;
variant?: "default" | "white";
glow?: boolean;
className?: string;
disabled?: boolean;
movementDuration?: number;
borderWidth?: number;
}
const GlowingEffect = memo(
({
blur = 0,
inactiveZone = 0.7,
proximity = 0,
spread = 20,
variant = "default",
glow = false,
className,
movementDuration = 2,
borderWidth = 1,
disabled = true,
}: GlowingEffectProps) => {
const containerRef = useRef<HTMLDivElement>(null);
const lastPosition = useRef({ x: 0, y: 0 });
const animationFrameRef = useRef<number>(0);
const handleMove = useCallback(
(e?: MouseEvent | { x: number; y: number }) => {
if (!containerRef.current) return;
if (animationFrameRef.current) {
cancelAnimationFrame(animationFrameRef.current);
}
animationFrameRef.current = requestAnimationFrame(() => {
const element = containerRef.current;
if (!element) return;
const { left, top, width, height } = element.getBoundingClientRect();
const mouseX = e?.x ?? lastPosition.current.x;
const mouseY = e?.y ?? lastPosition.current.y;
if (e) {
lastPosition.current = { x: mouseX, y: mouseY };
}
const center = [left + width * 0.5, top + height * 0.5];
const distanceFromCenter = Math.hypot(
mouseX - center[0],
mouseY - center[1]
);
const inactiveRadius = 0.5 * Math.min(width, height) * inactiveZone;
if (distanceFromCenter < inactiveRadius) {
element.style.setProperty("--active", "0");
return;
}
const isActive =
mouseX > left - proximity &&
mouseX < left + width + proximity &&
mouseY > top - proximity &&
mouseY < top + height + proximity;
element.style.setProperty("--active", isActive ? "1" : "0");
if (!isActive) return;
const currentAngle =
parseFloat(element.style.getPropertyValue("--start")) || 0;
let targetAngle =
(180 * Math.atan2(mouseY - center[1], mouseX - center[0])) /
Math.PI +
90;
const angleDiff = ((targetAngle - currentAngle + 180) % 360) - 180;
const newAngle = currentAngle + angleDiff;
animate(currentAngle, newAngle, {
duration: movementDuration,
ease: [0.16, 1, 0.3, 1],
onUpdate: (value) => {
element.style.setProperty("--start", String(value));
},
});
});
},
[inactiveZone, proximity, movementDuration]
);
useEffect(() => {
if (disabled) return;
const handleScroll = () => handleMove();
const handlePointerMove = (e: PointerEvent) => handleMove(e);
window.addEventListener("scroll", handleScroll, { passive: true });
document.body.addEventListener("pointermove", handlePointerMove, {
passive: true,
});
return () => {
if (animationFrameRef.current) {
cancelAnimationFrame(animationFrameRef.current);
}
window.removeEventListener("scroll", handleScroll);
document.body.removeEventListener("pointermove", handlePointerMove);
};
}, [handleMove, disabled]);
return (
<>
<div
className={cn(
"pointer-events-none absolute -inset-px hidden rounded-[inherit] border opacity-0 transition-opacity",
glow && "opacity-100",
variant === "white" && "border-white",
disabled && "!block"
)}
/>
<div
ref={containerRef}
style={
{
"--blur": `${blur}px`,
"--spread": spread,
"--start": "0",
"--active": "0",
"--glowingeffect-border-width": `${borderWidth}px`,
"--repeating-conic-gradient-times": "5",
"--gradient":
variant === "white"
? `repeating-conic-gradient(
from 236.84deg at 50% 50%,
var(--black),
var(--black) calc(25% / var(--repeating-conic-gradient-times))
)`
: `radial-gradient(circle, #e53935 10%, #e5393500 20%),
radial-gradient(circle at 40% 40%, #ffa000 5%, #ffa00000 15%),
radial-gradient(circle at 60% 60%, #689f38 10%, #689f3800 20%),
radial-gradient(circle at 40% 60%, #64b5f6 10%, #64b5f600 20%),
repeating-conic-gradient(
from 236.84deg at 50% 50%,
#e53935 0%,
#ffa000 calc(25% / var(--repeating-conic-gradient-times)),
#689f38 calc(50% / var(--repeating-conic-gradient-times)),
#64b5f6 calc(75% / var(--repeating-conic-gradient-times)),
#e53935 calc(100% / var(--repeating-conic-gradient-times))
)`,
} as React.CSSProperties
}
className={cn(
"pointer-events-none absolute inset-0 rounded-[inherit] opacity-100 transition-opacity",
glow && "opacity-100",
blur > 0 && "blur-[var(--blur)] ",
className,
disabled && "!hidden"
)}
>
<div
className={cn(
"glow",
"rounded-[inherit]",
'after:content-[""] after:rounded-[inherit] after:absolute after:inset-[calc(-1*var(--glowingeffect-border-width))]',
"after:[border:var(--glowingeffect-border-width)_solid_transparent]",
"after:[background:var(--gradient)] after:[background-attachment:fixed]",
"after:opacity-[var(--active)] after:transition-opacity after:duration-300",
"after:[mask-clip:padding-box,border-box]",
"after:[mask-composite:intersect]",
"after:[mask-image:linear-gradient(#0000,#0000),conic-gradient(from_calc((var(--start)-var(--spread))*1deg),#00000000_0deg,#fff,#00000000_calc(var(--spread)*2deg))]"
)}
/>
</div>
</>
);
}
);
GlowingEffect.displayName = "GlowingEffect";
export { GlowingEffect };
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