@babylonjs/viewer
Version:
The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.
91 lines (88 loc) • 4.45 kB
JavaScript
import { bM as PBRMaterial, C as Constants, aH as Color3, bJ as unregisterGLTFExtension, bI as registerGLTFExtension } from './index-FzOfPXLV.esm.js';
import { GLTFLoader } from './glTFLoader-VVyk3AwX.esm.js';
import './bone--mL3H5cQ.esm.js';
import './skeleton-B7-ffRm_.esm.js';
import './rawTexture-B2DimmQ5.esm.js';
import './assetContainer-8JZnoDWQ.esm.js';
import './objectModelMapping-CJnQ6at_.esm.js';
const NAME = "KHR_materials_specular";
/**
* [Specification](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_specular/README.md)
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
class KHR_materials_specular {
/**
* @internal
*/
constructor(loader) {
/**
* The name of this extension.
*/
this.name = NAME;
/**
* Defines a number that determines the order the extensions are applied.
*/
this.order = 190;
this._loader = loader;
this.enabled = this._loader.isExtensionUsed(NAME);
}
/** @internal */
dispose() {
this._loader = null;
}
/**
* @internal
*/
// eslint-disable-next-line no-restricted-syntax
loadMaterialPropertiesAsync(context, material, babylonMaterial) {
return GLTFLoader.LoadExtensionAsync(context, material, this.name, async (extensionContext, extension) => {
const promises = new Array();
promises.push(this._loader.loadMaterialPropertiesAsync(context, material, babylonMaterial));
promises.push(this._loadSpecularPropertiesAsync(extensionContext, extension, babylonMaterial));
// Handle the EXT_materials_specular_edge_color sub-extension
// https://github.com/KhronosGroup/glTF/blob/2a1111b88f052cbd3e2d82abb9faee56e7494904/extensions/2.0/Vendor/EXT_materials_specular_edge_color/README.md
if (extension.extensions && extension.extensions.EXT_materials_specular_edge_color && babylonMaterial instanceof PBRMaterial) {
const specularEdgeColorExtension = extension.extensions.EXT_materials_specular_edge_color;
if (specularEdgeColorExtension.specularEdgeColorEnabled) {
babylonMaterial.brdf.dielectricSpecularModel = Constants.MATERIAL_DIELECTRIC_SPECULAR_MODEL_OPENPBR;
babylonMaterial.brdf.conductorSpecularModel = Constants.MATERIAL_CONDUCTOR_SPECULAR_MODEL_OPENPBR;
}
}
// eslint-disable-next-line github/no-then
return await Promise.all(promises).then(() => { });
});
}
// eslint-disable-next-line @typescript-eslint/promise-function-async, no-restricted-syntax
_loadSpecularPropertiesAsync(context, properties, babylonMaterial) {
if (!(babylonMaterial instanceof PBRMaterial)) {
throw new Error(`${context}: Material type not supported`);
}
const promises = new Array();
if (properties.specularFactor !== undefined) {
babylonMaterial.metallicF0Factor = properties.specularFactor;
}
if (properties.specularColorFactor !== undefined) {
babylonMaterial.metallicReflectanceColor = Color3.FromArray(properties.specularColorFactor);
}
if (properties.specularTexture) {
properties.specularTexture.nonColorData = true;
promises.push(this._loader.loadTextureInfoAsync(`${context}/specularTexture`, properties.specularTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Specular)`;
babylonMaterial.metallicReflectanceTexture = texture;
babylonMaterial.useOnlyMetallicFromMetallicReflectanceTexture = true;
}));
}
if (properties.specularColorTexture) {
promises.push(this._loader.loadTextureInfoAsync(`${context}/specularColorTexture`, properties.specularColorTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Specular Color)`;
babylonMaterial.reflectanceTexture = texture;
}));
}
// eslint-disable-next-line github/no-then
return Promise.all(promises).then(() => { });
}
}
unregisterGLTFExtension(NAME);
registerGLTFExtension(NAME, true, (loader) => new KHR_materials_specular(loader));
export { KHR_materials_specular };
//# sourceMappingURL=KHR_materials_specular-Bt83ypj_.esm.js.map