@woosh/meep-engine/src/engine/graphics/three/material/iterate_three_material_textures.js

Pure JavaScript game engine. Fully featured and production ready.

import { TextureAttachmentsByMaterialType } from "../../../asset/loaders/material/TextureAttachmensByMaterialType.js";

/**
 *
 * @param {THREE.Material} material
 * @returns {Generator<{texture:THREE.Texture, name:string}>}
 */
export function* iterate_three_material_textures(material) {

    //patch textures
    const materialType = material.type;

    /**
     *
     * @type {TextureAttachment[]}
     */
    const attachments = TextureAttachmentsByMaterialType[materialType];

    if (attachments !== undefined) {

        for (let i = 0; i < attachments.length; i++) {
            const attachment = attachments[i];

            const texture = attachment.read(material);

            if (texture === undefined || texture === null) {
                continue;
            }

            yield { texture, name: attachment.name };
        }
    }
}