@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
39 lines (38 loc) • 1.43 kB
JavaScript
;
import { Vector3 } from "three";
import { CoreGeometryOperationHexagon } from "../../../geometry/operation/Hexagon";
import { rotateGeometry } from "../../../Transform";
const DIR_ORIGIN = new Vector3(0, 1, 0);
const DIR_DEST = new Vector3(0, 0, 1);
export class MapboxPlaneHexagonsController {
constructor() {
}
geometry(plane_dimensions, segments_counts, mapboxTransform) {
const hexagons_radius = Math.max(
plane_dimensions.x / segments_counts.x,
plane_dimensions.y / segments_counts.y
);
let hexagons_scale_compensate;
if (!mapboxTransform) {
const new_plane_dimensions = {
x: segments_counts.x * hexagons_radius,
y: segments_counts.y * hexagons_radius
};
hexagons_scale_compensate = new Vector3(1, plane_dimensions.y / new_plane_dimensions.y, 1);
plane_dimensions.x = new_plane_dimensions.x;
plane_dimensions.y = new_plane_dimensions.y;
}
const operation = new CoreGeometryOperationHexagon(
plane_dimensions,
hexagons_radius,
true
// always as points in the case of hexagons. too complicated otherwise
);
const geometry = operation.process();
rotateGeometry(geometry, DIR_ORIGIN, DIR_DEST);
if (!mapboxTransform && hexagons_scale_compensate) {
geometry.scale(hexagons_scale_compensate.x, hexagons_scale_compensate.y, hexagons_scale_compensate.z);
}
return geometry;
}
}