Interactive Globe

'use client';
import { cn } from '@/lib/utils';
import createGlobe from 'cobe';
import type React from 'react';
import { useEffect, useRef, useState } from 'react';

interface EarthProps {
  className?: string;
  theta?: number;
  dark?: number;
  scale?: number;
  diffuse?: number;
  mapSamples?: number;
  mapBrightness?: number;
  baseColor?: [number, number, number];
  markerColor?: [number, number, number];
  glowColor?: [number, number, number];
}
const Earth: React.FC<EarthProps> = ({
  className,
  theta = 0.25,
  dark = 1,
  scale = 1.1,
  diffuse = 1.2,
  mapSamples = 40000,
  mapBrightness = 6,
  baseColor = [0.4, 0.6509, 1],
  markerColor = [1, 0, 0],
  glowColor = [0.2745, 0.5765, 0.898],
}) => {
  const canvasRef = useRef<HTMLCanvasElement>(null);

  useEffect(() => {
    let width = 0;
    const onResize = () => canvasRef.current && (width = canvasRef.current.offsetWidth);
    window.addEventListener('resize', onResize);
    onResize();
    let phi = 0;

    onResize();
    const globe = createGlobe(canvasRef.current!, {
      devicePixelRatio: 2,
      width: width * 2,
      height: width * 2,
      phi: 0,
      theta: theta,
      dark: dark,
      scale: scale,
      diffuse: diffuse,
      mapSamples: mapSamples,
      mapBrightness: mapBrightness,
      baseColor: baseColor,
      markerColor: markerColor,
      glowColor: glowColor,
      opacity: 1,
      offset: [0, 0],
      markers: [
        // longitude latitude
      ],
      onRender: (state: Record<string, any>) => {
        // Called on every animation frame.
        // `state` will be an empty object, return updated params.\
        state.phi = phi;
        phi += 0.003;
      },
    });

    return () => {
      globe.destroy();
    };
  }, []);

  return (
    <div
      className={cn(
        'flex items-center justify-center z-10 w-full max-w-[350px] mx-auto',
        className
      )}
    >
      <canvas
        ref={canvasRef}
        style={{
          width: '100%',
          height: '100%',
          maxWidth: '100%',
          aspectRatio: '1',
        }}
      />
    </div>
  );
};

export default Earth;