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"use client";
import { cn } from "@repo/ui/lib/utils";
import { motion } from "framer-motion";
import { RefObject, useEffect, useId, useState } from "react";
export interface AnimatedBeamProps {
className?: string;
containerRef: RefObject<HTMLElement>; // Container ref
fromRef: RefObject<HTMLElement>;
toRef: RefObject<HTMLElement>;
curvature?: number;
reverse?: boolean;
pathColor?: string;
pathWidth?: number;
pathOpacity?: number;
gradientStartColor?: string;
gradientStopColor?: string;
delay?: number;
duration?: number;
startXOffset?: number;
startYOffset?: number;
endXOffset?: number;
endYOffset?: number;
}
export const AnimatedBeam: React.FC<AnimatedBeamProps> = ({
className,
containerRef,
fromRef,
toRef,
curvature = 0,
reverse = false, // Include the reverse prop
duration = Math.random() * 3 + 4,
delay = 0,
pathColor = "gray",
pathWidth = 2,
pathOpacity = 0.2,
gradientStartColor = "#ffaa40",
gradientStopColor = "#9c40ff",
startXOffset = 0,
startYOffset = 0,
endXOffset = 0,
endYOffset = 0,
}) => {
const id = useId();
const [pathD, setPathD] = useState("");
const [svgDimensions, setSvgDimensions] = useState({ width: 0, height: 0 });
// Calculate the gradient coordinates based on the reverse prop
const gradientCoordinates = reverse
? {
x1: ["90%", "-10%"],
x2: ["100%", "0%"],
y1: ["0%", "0%"],
y2: ["0%", "0%"],
}
: {
x1: ["10%", "110%"],
x2: ["0%", "100%"],
y1: ["0%", "0%"],
y2: ["0%", "0%"],
};
useEffect(() => {
const updatePath = () => {
if (containerRef.current && fromRef.current && toRef.current) {
const containerRect = containerRef.current.getBoundingClientRect();
const rectA = fromRef.current.getBoundingClientRect();
const rectB = toRef.current.getBoundingClientRect();
const svgWidth = containerRect.width;
const svgHeight = containerRect.height;
setSvgDimensions({ width: svgWidth, height: svgHeight });
const startX =
rectA.left - containerRect.left + rectA.width / 2 + startXOffset;
const startY =
rectA.top - containerRect.top + rectA.height / 2 + startYOffset;
const endX =
rectB.left - containerRect.left + rectB.width / 2 + endXOffset;
const endY =
rectB.top - containerRect.top + rectB.height / 2 + endYOffset;
const controlY = startY - curvature;
const d = `M ${startX},${startY} Q ${
(startX + endX) / 2
},${controlY} ${endX},${endY}`;
setPathD(d);
}
};
// Initialize ResizeObserver
const resizeObserver = new ResizeObserver((entries) => {
// For all entries, recalculate the path
for (let entry of entries) {
updatePath();
}
});
// Observe the container element
if (containerRef.current) {
resizeObserver.observe(containerRef.current);
}
// Call the updatePath initially to set the initial path
updatePath();
// Clean up the observer on component unmount
return () => {
resizeObserver.disconnect();
};
}, [
containerRef,
fromRef,
toRef,
curvature,
startXOffset,
startYOffset,
endXOffset,
endYOffset,
]);
return (
<svg
fill="none"
width={svgDimensions.width}
height={svgDimensions.height}
xmlns="http://www.w3.org/2000/svg"
className={cn(
"pointer-events-none absolute left-0 top-0 transform-gpu stroke-2",
className,
)}
viewBox={`0 0 ${svgDimensions.width} ${svgDimensions.height}`}
>
<path
d={pathD}
stroke={pathColor}
strokeWidth={pathWidth}
strokeOpacity={pathOpacity}
strokeLinecap="round"
/>
<path
d={pathD}
strokeWidth={pathWidth}
stroke={`url(#${id})`}
strokeOpacity="1"
strokeLinecap="round"
/>
<defs>
<motion.linearGradient
className="transform-gpu"
id={id}
gradientUnits={"userSpaceOnUse"}
initial={{
x1: "0%",
x2: "0%",
y1: "0%",
y2: "0%",
}}
animate={{
x1: gradientCoordinates.x1,
x2: gradientCoordinates.x2,
y1: gradientCoordinates.y1,
y2: gradientCoordinates.y2,
}}
transition={{
delay,
duration,
ease: [0.16, 1, 0.3, 1], // https://easings.net/#easeOutExpo
repeat: Infinity,
repeatDelay: 0,
}}
>
<stop stopColor={gradientStartColor} stopOpacity="0"></stop>
<stop stopColor={gradientStartColor}></stop>
<stop offset="32.5%" stopColor={gradientStopColor}></stop>
<stop
offset="100%"
stopColor={gradientStopColor}
stopOpacity="0"
></stop>
</motion.linearGradient>
</defs>
</svg>
);
};
|