@polygonjs/polygonjs/src/engine/nodes/gl/NormalByNormalMatrix.ts

node-based WebGL 3D engine https://polygonjs.com

// /**
//  * multiply the normal by the normal Matrix
//  *
//  *
//  *
//  */

// import {TypedGlNode} from './_Base';
// import {NodeParamsConfig, ParamConfig} from '../utils/params/ParamsConfig';
// import {GlConnectionPointType, GlConnectionPoint} from '../utils/io/connections/Gl';
// import {ShadersCollectionController} from './code/utils/ShadersCollectionController';
// import {ShaderName} from '../utils/shaders/ShaderName';
// import {ThreeToGl} from '../../../core/ThreeToGl';

// const OUTPUT_NAME = 'normal';

// class NormalByNormalMatrixGlParamsConfig extends NodeParamsConfig {
// 	normal = ParamConfig.VECTOR3([0, 1, 0]);
// }
// const ParamsConfig = new NormalByNormalMatrixGlParamsConfig();
// export class NormalByNormalMatrixGlNode extends TypedGlNode<NormalByNormalMatrixGlParamsConfig> {
// 	override paramsConfig = ParamsConfig;
// 	static override type(): Readonly<'normalByNormalMatrix'> {
// 		return 'normalByNormalMatrix';
// 	}

// 	override initializeNode() {
// 		super.initializeNode();
// 		this.io.outputs.setNamedOutputConnectionPoints([
// 			new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.VEC3),
// 		]);
// 	}

// 	override setLines(linesController: ShadersCollectionController) {
// 		if (linesController.currentShaderName() == ShaderName.VERTEX) {
// 			const input = ThreeToGl.vector3(this.variableForInputParam(this.p.normal));
// 			const outValue = this.glVarName(OUTPUT_NAME);
// 			const bodyLine = `vec3 ${outValue} = normalMatrix * ${input}`;
// 			linesController.addBodyLines(this, [bodyLine], ShaderName.VERTEX);
// 		}
// 	}
// }