"use client" import { useEffect, useRef, useCallback } from "react" import createGlobe from "cobe" interface BarMarker { id: string location: [number, number] value: number label: string } interface GlobeBarsProps { markers?: BarMarker[] className?: string speed?: number } const defaultMarkers: BarMarker[] = [ { id: "bar-1", location: [40.71, -74.01], value: 85, label: "NYC" }, { id: "bar-2", location: [51.51, -0.13], value: 62, label: "London" }, { id: "bar-3", location: [35.68, 139.65], value: 94, label: "Tokyo" }, { id: "bar-4", location: [1.35, 103.82], value: 78, label: "Singapore" }, ] export function GlobeBars({ markers = defaultMarkers, className = "", speed = 0.003, }: GlobeBarsProps) { const canvasRef = useRef(null) const pointerInteracting = useRef<{ x: number; y: number } | null>(null) const dragOffset = useRef({ phi: 0, theta: 0 }) const phiOffsetRef = useRef(0) const thetaOffsetRef = useRef(0) const isPausedRef = useRef(false) const handlePointerDown = useCallback((e: React.PointerEvent) => { pointerInteracting.current = { x: e.clientX, y: e.clientY } if (canvasRef.current) canvasRef.current.style.cursor = "grabbing" isPausedRef.current = true }, []) const handlePointerUp = useCallback(() => { if (pointerInteracting.current !== null) { phiOffsetRef.current += dragOffset.current.phi thetaOffsetRef.current += dragOffset.current.theta dragOffset.current = { phi: 0, theta: 0 } } pointerInteracting.current = null if (canvasRef.current) canvasRef.current.style.cursor = "grab" isPausedRef.current = false }, []) useEffect(() => { const handlePointerMove = (e: PointerEvent) => { if (pointerInteracting.current !== null) { dragOffset.current = { phi: (e.clientX - pointerInteracting.current.x) / 300, theta: (e.clientY - pointerInteracting.current.y) / 1000, } } } window.addEventListener("pointermove", handlePointerMove, { passive: true }) window.addEventListener("pointerup", handlePointerUp, { passive: true }) return () => { window.removeEventListener("pointermove", handlePointerMove) window.removeEventListener("pointerup", handlePointerUp) } }, [handlePointerUp]) useEffect(() => { if (!canvasRef.current) return const canvas = canvasRef.current let globe: ReturnType | null = null let animationId: number let phi = 0 function init() { const width = canvas.offsetWidth if (width === 0 || globe) return globe = createGlobe(canvas, { devicePixelRatio: Math.min(window.devicePixelRatio || 1, 2), width, height: width, phi: 0, theta: 0.2, dark: 0, diffuse: 1.5, mapSamples: 16000, mapBrightness: 9, baseColor: [1, 1, 1], markerColor: [0.15, 0.55, 0.55], glowColor: [0.94, 0.93, 0.91], markerElevation: 0, markers: markers.map((m) => ({ location: m.location, size: 0.02, id: m.id })), arcs: [], arcColor: [0.2, 0.6, 0.6], arcWidth: 0.5, arcHeight: 0.25, opacity: 0.7, }) function animate() { if (!isPausedRef.current) phi += speed globe!.update({ phi: phi + phiOffsetRef.current + dragOffset.current.phi, theta: 0.2 + thetaOffsetRef.current + dragOffset.current.theta, }) animationId = requestAnimationFrame(animate) } animate() setTimeout(() => canvas && (canvas.style.opacity = "1")) } if (canvas.offsetWidth > 0) { init() } else { const ro = new ResizeObserver((entries) => { if (entries[0]?.contentRect.width > 0) { ro.disconnect() init() } }) ro.observe(canvas) } return () => { if (animationId) cancelAnimationFrame(animationId) if (globe) globe.destroy() } }, [markers, speed]) return (

) }