TSL: Add function for BPCEM. (#1369)

* TSL: Add function for BPCEM.

* Update three.js

* Add examples

* Update patch and delete examples

* Add examples

* Update patch and delete examples

* Add examples

* Update

* Update patch and delete examples

* Avoid

examples-testing/index.js

@@ -77,6 +77,7 @@ const exceptionList = [
     'webgpu_lines_fat_wireframe',
     'webgpu_loader_materialx',
     'webgpu_materials',
+    'webgpu_materials_envmaps_bpcem',
     'webgpu_materials_matcap',
     'webgpu_materials_sss',
     'webgpu_materialx_noise',

types/three/src/nodes/TSL.d.ts

@@ -152,5 +152,6 @@ export { default as V_GGX_SmithCorrelated } from "./functions/BSDF/V_GGX_SmithCo
 export * from "./lighting/LightUtils.js";
 
 export { default as getGeometryRoughness } from "./functions/material/getGeometryRoughness.js";
+export { default as getParallaxCorrectNormal } from "./functions/material/getParallaxCorrectNormal.js";
 export { default as getRoughness } from "./functions/material/getRoughness.js";
 export { default as getShIrradianceAt } from "./functions/material/getShIrradianceAt.js";

types/three/src/nodes/functions/material/getParallaxCorrectNormal.d.ts

@@ -0,0 +1,10 @@
+import Node from "../../core/Node.js";
+import { NodeRepresentation, ShaderNodeObject } from "../../tsl/TSLCore.js";
+
+declare const getParallaxCorrectNormal: (
+    normal: NodeRepresentation,
+    cubeSize: NodeRepresentation,
+    cubePos: NodeRepresentation,
+) => ShaderNodeObject<Node>;
+
+export default getParallaxCorrectNormal;