npx create-next-app@latest my-app — typescript — tailwind — eslint

npx shadcn-ui@latest init

npm i framer-motion clsx tailwind-merge

npm i three three-globe @react-three/fiber @react-three/drei

import { ClassValue, clsx } from “clsx”;
import { twMerge } from “tailwind-merge”;

export function cn(…inputs: ClassValue[]) {
return twMerge(clsx(inputs));
}

“use client”;
import { useEffect, useRef, useState } from “react”;
import { Color, Scene, Fog, PerspectiveCamera, Vector3 } from “three”;
import ThreeGlobe from “three-globe”;
import { useThree, Object3DNode, Canvas, extend } from “@react-three/fiber”;
import { OrbitControls } from “@react-three/drei”;
import countries from “@/data/globe.json”;
declare module “@react-three/fiber” {
interface ThreeElements {
threeGlobe: Object3DNode<ThreeGlobe, typeof ThreeGlobe>;
}
}

extend({ ThreeGlobe });

const RING_PROPAGATION_SPEED = 3;
const aspect = 1.2;
const cameraZ = 300;

type Position = {
order: number;
startLat: number;
startLng: number;
endLat: number;
endLng: number;
arcAlt: number;
color: string;
};

export type GlobeConfig = {
pointSize?: number;
globeColor?: string;
showAtmosphere?: boolean;
atmosphereColor?: string;
atmosphereAltitude?: number;
emissive?: string;
emissiveIntensity?: number;
shininess?: number;
polygonColor?: string;
ambientLight?: string;
directionalLeftLight?: string;
directionalTopLight?: string;
pointLight?: string;
arcTime?: number;
arcLength?: number;
rings?: number;
maxRings?: number;
initialPosition?: {
lat: number;
lng: number;
};
autoRotate?: boolean;
autoRotateSpeed?: number;
};

interface WorldProps {
globeConfig: GlobeConfig;
data: Position[];
}

let numbersOfRings = [0];

export function Globe({ globeConfig, data }: WorldProps) {
const [globeData, setGlobeData] = useState<
| {
size: number;
order: number;
color: (t: number) => string;
lat: number;
lng: number;
}[]
| null
>(null);

const globeRef = useRef<ThreeGlobe | null>(null);

const defaultProps = {
pointSize: 1,
atmosphereColor: “#ffffff”,
showAtmosphere: true,
atmosphereAltitude: 0.1,
polygonColor: “rgba(255,255,255,0.7)”,
globeColor: “#1d072e”,
emissive: “#000000”,
emissiveIntensity: 0.1,
shininess: 0.9,
arcTime: 2000,
arcLength: 0.9,
rings: 1,
maxRings: 3,
…globeConfig,
};

useEffect(() => {
if (globeRef.current) {
_buildData();
_buildMaterial();
}
}, [globeRef.current]);

const _buildMaterial = () => {
if (!globeRef.current) return;

const globeMaterial = globeRef.current.globeMaterial() as unknown as {
color: Color;
emissive: Color;
emissiveIntensity: number;
shininess: number;
};
globeMaterial.color = new Color(globeConfig.globeColor);
globeMaterial.emissive = new Color(globeConfig.emissive);
globeMaterial.emissiveIntensity = globeConfig.emissiveIntensity || 0.1;
globeMaterial.shininess = globeConfig.shininess || 0.9;
};

const _buildData = () => {
const arcs = data;
let points = [];
for (let i = 0; i < arcs.length; i++) {
const arc = arcs[i];
const rgb = hexToRgb(arc.color) as { r: number; g: number; b: number };
points.push({
size: defaultProps.pointSize,
order: arc.order,
color: (t: number) => `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, ${1 — t})`,
lat: arc.startLat,
lng: arc.startLng,
});
points.push({
size: defaultProps.pointSize,
order: arc.order,
color: (t: number) => `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, ${1 — t})`,
lat: arc.endLat,
lng: arc.endLng,
});
}

// remove duplicates for same lat and lng
const filteredPoints = points.filter(
(v, i, a) =>
a.findIndex((v2) =>
[“lat”, “lng”].every(
(k) => v2[k as “lat” | “lng”] === v[k as “lat” | “lng”]
)
) === i
);

setGlobeData(filteredPoints);
};

useEffect(() => {
if (globeRef.current && globeData) {
globeRef.current
.hexPolygonsData(countries.features)
.hexPolygonResolution(3)
.hexPolygonMargin(0.7)
.showAtmosphere(defaultProps.showAtmosphere)
.atmosphereColor(defaultProps.atmosphereColor)
.atmosphereAltitude(defaultProps.atmosphereAltitude)
.hexPolygonColor((e) => {
return defaultProps.polygonColor;
});
startAnimation();
}
}, [globeData]);

const startAnimation = () => {
if (!globeRef.current || !globeData) return;

globeRef.current
.arcsData(data)
.arcStartLat((d) => (d as { startLat: number }).startLat * 1)
.arcStartLng((d) => (d as { startLng: number }).startLng * 1)
.arcEndLat((d) => (d as { endLat: number }).endLat * 1)
.arcEndLng((d) => (d as { endLng: number }).endLng * 1)
.arcColor((e: any) => (e as { color: string }).color)
.arcAltitude((e) => {
return (e as { arcAlt: number }).arcAlt * 1;
})
.arcStroke((e) => {
return [0.32, 0.28, 0.3][Math.round(Math.random() * 2)];
})
.arcDashLength(defaultProps.arcLength)
.arcDashInitialGap((e) => (e as { order: number }).order * 1)
.arcDashGap(15)
.arcDashAnimateTime((e) => defaultProps.arcTime);

globeRef.current
.pointsData(data)
.pointColor((e) => (e as { color: string }).color)
.pointsMerge(true)
.pointAltitude(0.0)
.pointRadius(2);

globeRef.current
.ringsData([])
.ringColor((e: any) => (t: any) => e.color(t))
.ringMaxRadius(defaultProps.maxRings)
.ringPropagationSpeed(RING_PROPAGATION_SPEED)
.ringRepeatPeriod(
(defaultProps.arcTime * defaultProps.arcLength) / defaultProps.rings
);
};

useEffect(() => {
if (!globeRef.current || !globeData) return;

const interval = setInterval(() => {
if (!globeRef.current || !globeData) return;
numbersOfRings = genRandomNumbers(
0,
data.length,
Math.floor((data.length * 4) / 5)
);

globeRef.current.ringsData(
globeData.filter((d, i) => numbersOfRings.includes(i))
);
}, 2000);

return () => {
clearInterval(interval);
};
}, [globeRef.current, globeData]);

return (
<>
<threeGlobe ref={globeRef} />
</>
);
}

export function WebGLRendererConfig() {
const { gl, size } = useThree();

useEffect(() => {
gl.setPixelRatio(window.devicePixelRatio);
gl.setSize(size.width, size.height);
gl.setClearColor(0xffaaff, 0);
}, []);

return null;
}

export function World(props: WorldProps) {
const { globeConfig } = props;
const scene = new Scene();
scene.fog = new Fog(0xffffff, 400, 2000);
return (
<Canvas scene={scene} camera={new PerspectiveCamera(50, aspect, 180, 1800)}>
<WebGLRendererConfig />
<ambientLight color={globeConfig.ambientLight} intensity={0.6} />
<directionalLight
color={globeConfig.directionalLeftLight}
position={new Vector3(-400, 100, 400)}
/>
<directionalLight
color={globeConfig.directionalTopLight}
position={new Vector3(-200, 500, 200)}
/>
<pointLight
color={globeConfig.pointLight}
position={new Vector3(-200, 500, 200)}
intensity={0.8}
/>
<Globe {…props} />
<OrbitControls
enablePan={false}
enableZoom={false}
minDistance={cameraZ}
maxDistance={cameraZ}
autoRotateSpeed={1}
autoRotate={true}
minPolarAngle={Math.PI / 3.5}
maxPolarAngle={Math.PI — Math.PI / 3}
/>
</Canvas>
);
}

export function hexToRgb(hex: string) {
var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, function (m, r, g, b) {
return r + r + g + g + b + b;
});

var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result
? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16),
}
: null;
}

export function genRandomNumbers(min: number, max: number, count: number) {
const arr = [];
while (arr.length < count) {
const r = Math.floor(Math.random() * (max — min)) + min;
if (arr.indexOf(r) === -1) arr.push(r);
}

return arr;
}