Click Spark

mkdir -p components/mage-ui/cursor-effects && touch components/mage-ui/cursor-effects/click-spark.tsx

"use client";
import { useRef, useEffect, useCallback, ReactNode } from "react";
 
interface ClickSparkProps {
  sparkColor?: string;
  sparkSize?: number;
  sparkRadius?: number;
  sparkCount?: number;
  duration?: number;
  easing?: "linear" | "ease-in" | "ease-out" | "ease-in-out";
  extraScale?: number;
  children?: ReactNode;
}
 
const ClickSpark: React.FC<ClickSparkProps> = ({
  sparkColor = "#fff",
  sparkSize = 10,
  sparkRadius = 15,
  sparkCount = 8,
  duration = 400,
  easing = "ease-out",
  extraScale = 1.0,
  children
}) => {
  const canvasRef = useRef<HTMLCanvasElement>(null);
  const sparksRef = useRef<Array<{ x: number, y: number, angle: number, startTime: number }>>([]);
  const startTimeRef = useRef<number | null>(null);
 
  useEffect(() => {
    const canvas = canvasRef.current;
    if (!canvas) return;
 
    const parent = canvas.parentElement;
    if (!parent) return;
 
    let resizeTimeout: NodeJS.Timeout;
 
    const resizeCanvas = () => {
      const { width, height } = parent.getBoundingClientRect();
      if (canvas.width !== width || canvas.height !== height) {
        canvas.width = width;
        canvas.height = height;
      }
    };
 
    const handleResize = () => {
      clearTimeout(resizeTimeout);
      resizeTimeout = setTimeout(resizeCanvas, 100);
    };
 
    const ro = new ResizeObserver(handleResize);
    ro.observe(parent);
 
    resizeCanvas();
 
    return () => {
      ro.disconnect();
      clearTimeout(resizeTimeout);
    };
  }, []);
 
  const easeFunc = useCallback(
    (t: number) => {
      switch (easing) {
        case "linear":
          return t;
        case "ease-in":
          return t * t;
        case "ease-in-out":
          return t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
        default:
          return t * (2 - t);
      }
    },
    [easing]
  );
 
  useEffect(() => {
    const canvas = canvasRef.current;
    if (!canvas) return;
    const ctx = canvas.getContext("2d");
    if (!ctx) return;
 
    let animationId: number;
 
    const draw = (timestamp: number) => {
      if (!startTimeRef.current) {
        startTimeRef.current = timestamp;
      }
      ctx.clearRect(0, 0, canvas.width, canvas.height);
 
      sparksRef.current = sparksRef.current.filter((spark) => {
        const elapsed = timestamp - spark.startTime;
        if (elapsed >= duration) {
          return false;
        }
 
        const progress = elapsed / duration;
        const eased = easeFunc(progress);
 
        const distance = eased * sparkRadius * extraScale;
        const lineLength = sparkSize * (1 - eased);
 
        const x1 = spark.x + distance * Math.cos(spark.angle);
        const y1 = spark.y + distance * Math.sin(spark.angle);
        const x2 = spark.x + (distance + lineLength) * Math.cos(spark.angle);
        const y2 = spark.y + (distance + lineLength) * Math.sin(spark.angle);
 
        ctx.strokeStyle = sparkColor;
        ctx.lineWidth = 2;
        ctx.beginPath();
        ctx.moveTo(x1, y1);
        ctx.lineTo(x2, y2);
        ctx.stroke();
 
        return true;
      });
 
      animationId = requestAnimationFrame(draw);
    };
 
    animationId = requestAnimationFrame(draw);
 
    return () => {
      cancelAnimationFrame(animationId);
    };
  }, [
    sparkColor,
    sparkSize,
    sparkRadius,
    sparkCount,
    duration,
    easeFunc,
    extraScale,
  ]);
 
  const handleClick = (e: React.MouseEvent<HTMLDivElement>) => {
    const canvas = canvasRef.current;
    if (!canvas) return;
    const rect = canvas.getBoundingClientRect();
    const x = e.clientX - rect.left;
    const y = e.clientY - rect.top;
 
    const now = performance.now();
    const newSparks = Array.from({ length: sparkCount }, (_, i) => ({
      x,
      y,
      angle: (2 * Math.PI * i) / sparkCount,
      startTime: now,
    }));
 
    sparksRef.current.push(...newSparks);
  };
 
  return (
    <div
      className="relative h-screen w-[90vw]"
      onClick={handleClick}
    >
      <canvas
        ref={canvasRef}
        className="absolute top-0 left-0 w-full h-full block pointer-events-none select-none"
      />
      {children}
    </div>
  );
};
 
export default ClickSpark;