Navigate the map with game-like controls
In this example, the user can press their keyboard's arrow keys to move around the map with game-like controls.
The map uses panBy
to move forward and backward, and easeTo
to move left and right.
<!DOCTYPE html><html><head><meta charset="utf-8" /><title>Navigate the map with game-like controls</title><meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" /><script src="https://cdn.ndrive.com/nmapsgl/v.1.6.8/nmaps-gl.js"></script><link href="https://cdn.ndrive.com/nmapsgl/v.1.6.8/nmaps-gl.css" rel="stylesheet" /><style> body { margin: 0; padding: 0; } #map { position: absolute; top: 0; bottom: 0; width: 100%; }</style></head><body><div id="map"></div> <script> // TO MAKE THE MAP APPEAR YOU MUST ADD YOUR ACCESS TOKEN nmapsgl.accessToken = '<your access token here>'; const map = new nmapsgl.Map({container: 'map',style: 'Dark',center: [-87.6298, 41.8781],zoom: 17,bearing: -12,pitch: 60,interactive: false}); // pixels the map pans when the up or down arrow is clickedconst deltaDistance = 100; // degrees the map rotates when the left or right arrow is clickedconst deltaDegrees = 25; function easing(t) {return t * (2 - t);} map.on('load', () => {map.getCanvas().focus(); map.getCanvas().addEventListener('keydown',(e) => {e.preventDefault();if (e.which === 38) {// upmap.panBy([0, -deltaDistance], {easing: easing});} else if (e.which === 40) {// downmap.panBy([0, deltaDistance], {easing: easing});} else if (e.which === 37) {// leftmap.easeTo({bearing: map.getBearing() - deltaDegrees,easing: easing});} else if (e.which === 39) {// rightmap.easeTo({bearing: map.getBearing() + deltaDegrees,easing: easing});}},true);});</script> </body></html>