playcanvas/build/playcanvas/src/scene/skybox/sky-geometry.js

Open-source WebGL/WebGPU 3D engine for the web

import { SKYTYPE_DOME, SKYTYPE_BOX } from '../constants.js';
import { Mesh } from '../mesh.js';
import { BoxGeometry } from '../geometry/box-geometry.js';
import { DomeGeometry } from '../geometry/dome-geometry.js';

class SkyGeometry {
		static create(device, type) {
				switch(type){
						case SKYTYPE_BOX:
								return SkyGeometry.box(device);
						case SKYTYPE_DOME:
								return SkyGeometry.dome(device);
				}
				return SkyGeometry.infinite(device);
		}
		static infinite(device) {
				return Mesh.fromGeometry(device, new BoxGeometry(device));
		}
		static box(device) {
				return Mesh.fromGeometry(device, new BoxGeometry({
						yOffset: 0.5
				}));
		}
		static dome(device) {
				const geom = new DomeGeometry({
						latitudeBands: 50,
						longitudeBands: 50
				});
				geom.normals = undefined;
				geom.uvs = undefined;
				return Mesh.fromGeometry(device, geom);
		}
}

export { SkyGeometry };