import * as three from "three";
import { Node } from "../graph/types";
export default function createNodePositionsTexture(
nodes: Node[],
nodePositionData: Float32Array
): three.DataTexture {
const textureSize = Math.ceil(Math.sqrt(nodes.length));
for (let i = 0; i < nodes.length; i++) {
nodePositionData[i * 4 + 0] = 0.0;
nodePositionData[i * 4 + 1] = 0.0;
nodePositionData[i * 4 + 2] = 0.0;
nodePositionData[i * 4 + 3] = 1.0;
}
const texture = new three.DataTexture(
nodePositionData,
textureSize,
textureSize,
three.RGBAFormat,
three.FloatType
);
texture.needsUpdate = true;
texture.minFilter = three.NearestFilter;
texture.magFilter = three.NearestFilter;
return texture;
}
