import * as three from "three";
import createEdgeMaterial from "../materials/createEdgeMaterial";
import { Edge } from "../graph/types";
export default function createEdgeMesh(
edges: Edge[],
nodePositionTexture: three.DataTexture,
edgeIndices: Float32Array,
initialCameraDistance: number
): three.LineSegments {
const numberOfEdges = edges.length;
const instGeom = new three.InstancedBufferGeometry();
instGeom.setAttribute(
"position",
new three.BufferAttribute(new Float32Array([0, 0, 0, 1, 0, 0]), 3)
);
// instGeom.index = baseGeom.index;
instGeom.instanceCount = numberOfEdges;
instGeom.setAttribute(
"edgeIndices",
new three.InstancedBufferAttribute(edgeIndices, 2)
);
const material = createEdgeMaterial(
nodePositionTexture,
initialCameraDistance
);
const edgeMesh = new three.LineSegments(instGeom, material);
edgeMesh.frustumCulled = false;
return edgeMesh;
}
