arx-level-generator/dist/src/tools/mesh/transformEdge.js

A tool for creating Arx Fatalis maps

import { categorizeVertices } from '../mesh/categorizeVertices.js';
import { getVertices } from '../mesh/getVertices.js';
export const transformEdge = (offset, mesh) => {
    const { edges, corners } = categorizeVertices(mesh.geometry);
    const edgeVertices = [...edges, ...corners];
    const vertices = getVertices(mesh.geometry);
    const coords = mesh.geometry.getAttribute('position');
    vertices.forEach((vertex) => {
        const edgeIdx = edgeVertices.findIndex((edgeVertex) => {
            return edgeVertex.equals(vertex.vector);
        });
        if (edgeIdx !== -1) {
            edgeVertices.splice(edgeIdx, 1);
            coords.setX(vertex.idx, vertex.vector.x + offset.x);
            coords.setY(vertex.idx, vertex.vector.y + offset.y);
            coords.setZ(vertex.idx, vertex.vector.z + offset.z);
        }
    });
};
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