@woosh/meep-engine
Version:
Pure JavaScript game engine. Fully featured and production ready.
37 lines (28 loc) • 939 B
JavaScript
import { ClampToEdgeWrapping, DataTexture3D, NearestFilter, RedIntegerFormat, UnsignedIntType } from "three";
/**
* Uint32
* @param {number} resolution
* @returns {DataTexture3D}
*/
export function makeLookupTexture3D(resolution) {
const lookup = new DataTexture3D(
new Uint32Array(resolution * resolution * resolution),
resolution,
resolution,
resolution
);
lookup.name = "Tetrahedron Lookup";
lookup.flipY = false;
lookup.generateMipmaps = false;
lookup.magFilter = NearestFilter;
lookup.minFilter = NearestFilter;
lookup.wrapT = ClampToEdgeWrapping;
lookup.wrapS = ClampToEdgeWrapping;
lookup.wrapR = ClampToEdgeWrapping;
lookup.type = UnsignedIntType;
lookup.format = RedIntegerFormat;
lookup.internalFormat = "R32UI";
lookup.unpackAlignment = 4;
lookup.needsUpdate = true;
return lookup;
}