@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 { NodeGeometryBlockConnectionPointTypes } from "../../Enums/nodeGeometryConnectionPointTypes.js";
import { NodeGeometryBlock } from "../../nodeGeometryBlock.js";
import { RegisterClass } from "../../../../Misc/typeStore.js";
import { Vector3 } from "../../../../Maths/math.vector.js";
import { VertexData } from "../../../mesh.vertexData.js";
/**
* Defines a block used to generate a geometry data from a list of points
*/
export class PointListBlock extends NodeGeometryBlock {
/**
* Create a new PointListBlock
* @param name defines the block name
*/
constructor(name) {
super(name);
/**
* Gets or sets a list of points used to generate the geometry
*/
this.points = [];
this.registerOutput("geometry", NodeGeometryBlockConnectionPointTypes.Geometry);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "PointListBlock";
}
/**
* Gets the geometry output component
*/
get geometry() {
return this._outputs[0];
}
_buildBlock(state) {
this.geometry._storedFunction = () => {
this.geometry._executionCount = 1;
if (this.points.length === 0) {
return null;
}
const vertexData = new VertexData();
vertexData.positions = this.points.reduce((acc, point) => {
acc.push(point.x, point.y, point.z);
return acc;
}, []);
return vertexData;
};
}
_dumpPropertiesCode() {
let codeString = super._dumpPropertiesCode() + `${this._codeVariableName}.points = [];\n`;
for (let i = 0; i < this.points.length; i++) {
const point = this.points[i];
codeString += `${this._codeVariableName}.points.push(new BABYLON.Vector3(${point.x}, ${point.y}, ${point.z}));\n`;
}
return codeString;
}
/**
* Serializes this block in a JSON representation
* @returns the serialized block object
*/
serialize() {
const serializationObject = super.serialize();
serializationObject.points = this.points.map((point) => {
return point.asArray();
});
return serializationObject;
}
_deserialize(serializationObject) {
super._deserialize(serializationObject);
this.points = serializationObject.points.map((point) => {
return Vector3.FromArray(point);
});
}
}
RegisterClass("BABYLON.PointListBlock", PointListBlock);
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