@babylonjs/core
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Getting started? Play directly with the Babylon.js API using our [playground](https://playground.babylonjs.com/). It also contains a lot of samples to learn how to use it.
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JavaScript
import { VertexData } from "../../mesh.vertexData.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
import { NodeGeometryBlockConnectionPointTypes } from "../Enums/nodeGeometryConnectionPointTypes.js";
import { NodeGeometryBlock } from "../nodeGeometryBlock.js";
/**
* Block used to recompute normals for a geometry
*/
export class ComputeNormalsBlock extends NodeGeometryBlock {
/**
* Creates a new ComputeNormalsBlock
* @param name defines the block name
*/
constructor(name) {
super(name);
this.registerInput("geometry", NodeGeometryBlockConnectionPointTypes.Geometry);
this.registerOutput("output", NodeGeometryBlockConnectionPointTypes.Geometry);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "ComputeNormalsBlock";
}
/**
* Gets the geometry component
*/
get geometry() {
return this._inputs[0];
}
/**
* Gets the output component
*/
get output() {
return this._outputs[0];
}
_buildBlock() {
this.output._storedFunction = (state) => {
if (!this.geometry.isConnected) {
return null;
}
const vertexData = this.geometry.getConnectedValue(state);
if (!vertexData) {
return null;
}
if (!vertexData.normals) {
vertexData.normals = [];
}
VertexData.ComputeNormals(vertexData.positions, vertexData.indices, vertexData.normals);
return vertexData;
};
}
}
RegisterClass("BABYLON.ComputeNormalsBlock", ComputeNormalsBlock);
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