@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
/** This file must only contain pure code and pure imports */
import { __esDecorate, __runInitializers } from "../../../tslib.es6.js";
import { NodeGeometryBlock } from "../nodeGeometryBlock.js";
import { NodeGeometryBlockConnectionPointTypes } from "../Enums/nodeGeometryConnectionPointTypes.js";
import { editableInPropertyPage } from "../../../Decorators/nodeDecorator.js";
import { CSG2, InitializeCSG2Async, IsCSG2Ready } from "../../csg2.js";
import { CSG } from "../../csg.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
/**
* Operations supported by the boolean block
*/
export var BooleanGeometryOperations;
(function (BooleanGeometryOperations) {
/** Intersect */
BooleanGeometryOperations[BooleanGeometryOperations["Intersect"] = 0] = "Intersect";
/** Subtract */
BooleanGeometryOperations[BooleanGeometryOperations["Subtract"] = 1] = "Subtract";
/** Union */
BooleanGeometryOperations[BooleanGeometryOperations["Union"] = 2] = "Union";
})(BooleanGeometryOperations || (BooleanGeometryOperations = {}));
/**
* Block used to apply a boolean operation between 2 geometries
*/
let BooleanGeometryBlock = (() => {
var _a;
let _classSuper = NodeGeometryBlock;
let _evaluateContext_decorators;
let _evaluateContext_initializers = [];
let _evaluateContext_extraInitializers = [];
let _operation_decorators;
let _operation_initializers = [];
let _operation_extraInitializers = [];
let _useOldCSGEngine_decorators;
let _useOldCSGEngine_initializers = [];
let _useOldCSGEngine_extraInitializers = [];
return _a = class BooleanGeometryBlock extends _classSuper {
/**
* @internal
*/
get _isReadyState() {
if (IsCSG2Ready()) {
return null;
}
if (!this._csg2LoadingPromise) {
this._csg2LoadingPromise = InitializeCSG2Async();
}
return this._csg2LoadingPromise;
}
/**
* Create a new BooleanGeometryBlock
* @param name defines the block name
*/
constructor(name) {
super(name);
/**
* Gets or sets a boolean indicating that this block can evaluate context
* Build performance is improved when this value is set to false as the system will cache values instead of reevaluating everything per context change
*/
this.evaluateContext = __runInitializers(this, _evaluateContext_initializers, false);
/**
* Gets or sets the operation applied by the block
*/
this.operation = (__runInitializers(this, _evaluateContext_extraInitializers), __runInitializers(this, _operation_initializers, BooleanGeometryOperations.Intersect));
/**
* Gets or sets a boolean indicating that this block can evaluate context
* Build performance is improved when this value is set to false as the system will cache values instead of reevaluating everything per context change
*/
this.useOldCSGEngine = (__runInitializers(this, _operation_extraInitializers), __runInitializers(this, _useOldCSGEngine_initializers, false));
this._csg2LoadingPromise = __runInitializers(this, _useOldCSGEngine_extraInitializers);
this.registerInput("geometry0", NodeGeometryBlockConnectionPointTypes.Geometry);
this.registerInput("geometry1", NodeGeometryBlockConnectionPointTypes.Geometry);
this.registerOutput("output", NodeGeometryBlockConnectionPointTypes.Geometry);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "BooleanGeometryBlock";
}
/**
* Gets the geometry0 input component
*/
get geometry0() {
return this._inputs[0];
}
/**
* Gets the geometry1 input component
*/
get geometry1() {
return this._inputs[1];
}
/**
* Gets the geometry output component
*/
get output() {
return this._outputs[0];
}
_buildBlock(state) {
const func = (state) => {
const vertexData0 = this.geometry0.getConnectedValue(state);
const vertexData1 = this.geometry1.getConnectedValue(state);
if (!vertexData0 || !vertexData1) {
return null;
}
const vertexCount = vertexData0.positions.length / 3;
// Ensure that all the fields are filled to avoid problems later on in the graph
if (!vertexData0.normals && vertexData1.normals) {
vertexData0.normals = new Array(vertexData0.positions.length);
}
if (!vertexData1.normals && vertexData0.normals) {
vertexData1.normals = new Array(vertexData1.positions.length);
}
if (!vertexData0.uvs && vertexData1.uvs) {
vertexData0.uvs = new Array(vertexCount * 2);
}
if (!vertexData1.uvs && vertexData0.uvs) {
vertexData1.uvs = new Array(vertexCount * 2);
}
if (!vertexData0.colors && vertexData1.colors) {
vertexData0.colors = new Array(vertexCount * 4);
}
if (!vertexData1.colors && vertexData0.colors) {
vertexData1.colors = new Array(vertexCount * 4);
}
let boolCSG;
if (this.useOldCSGEngine) {
const csg0 = CSG.FromVertexData(vertexData0);
const csg1 = CSG.FromVertexData(vertexData1);
switch (this.operation) {
case BooleanGeometryOperations.Intersect:
boolCSG = csg0.intersect(csg1);
break;
case BooleanGeometryOperations.Subtract:
boolCSG = csg0.subtract(csg1);
break;
case BooleanGeometryOperations.Union:
boolCSG = csg0.union(csg1);
break;
}
}
else {
const csg0 = CSG2.FromVertexData(vertexData0);
const csg1 = CSG2.FromVertexData(vertexData1);
switch (this.operation) {
case BooleanGeometryOperations.Intersect:
boolCSG = csg0.intersect(csg1);
break;
case BooleanGeometryOperations.Subtract:
boolCSG = csg0.subtract(csg1);
break;
case BooleanGeometryOperations.Union:
boolCSG = csg0.add(csg1);
break;
}
}
return boolCSG.toVertexData();
};
if (this.evaluateContext) {
this.output._storedFunction = func;
}
else {
this.output._storedFunction = null;
this.output._storedValue = func(state);
}
}
_dumpPropertiesCode() {
let codeString = super._dumpPropertiesCode() + `${this._codeVariableName}.evaluateContext = ${this.evaluateContext ? "true" : "false"};\n`;
codeString += `${this._codeVariableName}.operation = BABYLON.BooleanGeometryOperations.${BooleanGeometryOperations[this.operation]};\n`;
codeString += `${this._codeVariableName}.useOldCSGEngine = ${this.useOldCSGEngine ? "true" : "false"};\n`;
return codeString;
}
/**
* Serializes this block in a JSON representation
* @returns the serialized block object
*/
serialize() {
const serializationObject = super.serialize();
serializationObject.evaluateContext = this.evaluateContext;
serializationObject.operation = this.operation;
serializationObject.useOldCSGEngine = this.useOldCSGEngine;
return serializationObject;
}
/** @internal */
_deserialize(serializationObject) {
super._deserialize(serializationObject);
this.evaluateContext = serializationObject.evaluateContext;
if (serializationObject.operation) {
this.operation = serializationObject.operation;
}
this.useOldCSGEngine = !!serializationObject.useOldCSGEngine;
}
},
(() => {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
_evaluateContext_decorators = [editableInPropertyPage("Evaluate context", 0 /* PropertyTypeForEdition.Boolean */, "ADVANCED", { embedded: true, notifiers: { rebuild: true } })];
_operation_decorators = [editableInPropertyPage("Operation", 5 /* PropertyTypeForEdition.List */, "ADVANCED", {
notifiers: { rebuild: true },
embedded: true,
options: [
{ label: "Intersect", value: BooleanGeometryOperations.Intersect },
{ label: "Subtract", value: BooleanGeometryOperations.Subtract },
{ label: "Union", value: BooleanGeometryOperations.Union },
],
})];
_useOldCSGEngine_decorators = [editableInPropertyPage("Use old CSG engine", 0 /* PropertyTypeForEdition.Boolean */, "ADVANCED", { embedded: true, notifiers: { rebuild: true } })];
__esDecorate(null, null, _evaluateContext_decorators, { kind: "field", name: "evaluateContext", static: false, private: false, access: { has: obj => "evaluateContext" in obj, get: obj => obj.evaluateContext, set: (obj, value) => { obj.evaluateContext = value; } }, metadata: _metadata }, _evaluateContext_initializers, _evaluateContext_extraInitializers);
__esDecorate(null, null, _operation_decorators, { kind: "field", name: "operation", static: false, private: false, access: { has: obj => "operation" in obj, get: obj => obj.operation, set: (obj, value) => { obj.operation = value; } }, metadata: _metadata }, _operation_initializers, _operation_extraInitializers);
__esDecorate(null, null, _useOldCSGEngine_decorators, { kind: "field", name: "useOldCSGEngine", static: false, private: false, access: { has: obj => "useOldCSGEngine" in obj, get: obj => obj.useOldCSGEngine, set: (obj, value) => { obj.useOldCSGEngine = value; } }, metadata: _metadata }, _useOldCSGEngine_initializers, _useOldCSGEngine_extraInitializers);
if (_metadata) Object.defineProperty(_a, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
})(),
_a;
})();
export { BooleanGeometryBlock };
let _Registered = false;
/**
* Register side effects for booleanGeometryBlock.
* Safe to call multiple times; only the first call has an effect.
*/
export function RegisterBooleanGeometryBlock() {
if (_Registered) {
return;
}
_Registered = true;
RegisterClass("BABYLON.BooleanGeometryBlock", BooleanGeometryBlock);
}
//# sourceMappingURL=booleanGeometryBlock.pure.js.map