Add a lightweight interactive globe to a web page with cobe. Covers location markers, rotation, canvas sizing, responsive updates, performance settings, and integration with React or Next.js for hero sections, about pages, and cards.
Use when adding a lightweight interactive globe with cobe (canvas setup, markers, interaction, performance, integration with React/Next.js).
Review the instructions the agent will receive before you install.
import createGlobe from "cobe"const globe = createGlobe(canvas, { ...options, onRender(state) { ... } })devicePixelRatio, width, heightphi, theta (rotation angles)scale, dark, diffusebaseColor, markerColor, glowColormarkers: [{ location: [lat, lon], size, color? }]globe.toggle() pauses RAFglobe.destroy() removes instancewidth/height scaled for DPR.import createGlobe from "cobe";
const canvas = document.getElementById("cobe");
let phi = 0;
function setup() {
const rect = canvas.getBoundingClientRect();
const dpr = Math.min(window.devicePixelRatio, 2);
canvas.width = Math.round(rect.width * dpr);
canvas.height = Math.round(rect.height * dpr);
const globe = createGlobe(canvas, {
devicePixelRatio: dpr,
width: canvas.width,
height: canvas.height,
phi: 0,
theta: 0.2,
dark: 0,
diffuse: 1.2,
scale: 1,
mapSamples: 16000,
mapBrightness: 6,
baseColor: [0.2, 0.2, 0.25],
glowColor: [1, 1, 1],
markerColor: [0.8, 0.5, 1],
markers: [{ location: [1.3521, 103.8198], size: 0.08 }],
onRender: (state) => {
state.phi = phi;
phi += 0.01;
},
});
return globe;
}
let globe = setup();
window.addEventListener("resize", () => {
globe.destroy();
globe = setup();
});
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