"use client" import { useEffect, useRef, useCallback } from "react" import createGlobe from "cobe" interface SatelliteMarker { id: string location: [number, number] } interface GlobeSatellitesProps { markers?: SatelliteMarker[] className?: string speed?: number } const defaultMarkers: SatelliteMarker[] = [ { id: "sat-1", location: [45.0, -120.0] }, { id: "sat-2", location: [30.0, 45.0] }, { id: "sat-3", location: [-15.0, 100.0] }, { id: "sat-4", location: [60.0, -30.0] }, { id: "sat-5", location: [-40.0, -60.0] }, { id: "sat-6", location: [10.0, 150.0] }, { id: "sat-7", location: [55.0, 80.0] }, { id: "sat-8", location: [-25.0, 20.0] }, { id: "sat-9", location: [70.0, 25.0] }, { id: "sat-10", location: [-5.0, -75.0] }, { id: "sat-11", location: [35.0, -95.0] }, { id: "sat-12", location: [-50.0, 140.0] }, { id: "sat-13", location: [20.0, -20.0] }, { id: "sat-14", location: [50.0, 120.0] }, { id: "sat-15", location: [-30.0, 70.0] }, { id: "sat-16", location: [5.0, -150.0] }, ] export function GlobeSatellites({ markers = defaultMarkers, className = "", speed = 0.003, }: GlobeSatellitesProps) { 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: 0.01, diffuse: 1.5, mapSamples: 16000, mapBrightness: 9, baseColor: [0.95, 0.95, 0.95], markerColor: [0.9, 0.9, 0.9], glowColor: [0.94, 0.93, 0.91], markerElevation: 0.15, markers: markers.map((m) => ({ location: m.location, size: 0.03, id: m.id })), arcs: [], arcColor: [0.5, 0.8, 1], 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 (

) }