@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 { NodeMaterialBlock } from "../nodeMaterialBlock.js";
import { NodeMaterialBlockConnectionPointTypes } from "../Enums/nodeMaterialBlockConnectionPointTypes.js";
import { NodeMaterialBlockTargets } from "../Enums/nodeMaterialBlockTargets.js";
import { LoopBlock } from "./loopBlock.pure.js";
import { NodeMaterialConnectionPointCustomObject } from "../nodeMaterialConnectionPointCustomObject.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
/**
* Block used to write to a variable within a loop
*/
export class StorageWriteBlock extends NodeMaterialBlock {
/**
* Creates a new StorageWriteBlock
* @param name defines the block name
*/
constructor(name) {
super(name, NodeMaterialBlockTargets.Neutral);
this.registerInput("loopID", NodeMaterialBlockConnectionPointTypes.Object, false, undefined, new NodeMaterialConnectionPointCustomObject("loopID", this, 0 /* NodeMaterialConnectionPointDirection.Input */, LoopBlock, "LoopBlock"));
this.registerInput("value", NodeMaterialBlockConnectionPointTypes.AutoDetect);
this._linkConnectionTypes(0, 1);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "StorageWriteBlock";
}
/**
* Gets the loop link component
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
get loopID() {
return this._inputs[0];
}
/**
* Gets the value component
*/
get value() {
return this._inputs[1];
}
/** Gets a boolean indicating that this connection will be used in the fragment shader
* @returns true if connected in fragment shader
*/
isConnectedInFragmentShader() {
if (!this.loopID.isConnected) {
return false;
}
const loopBlock = this.loopID.connectedPoint.ownerBlock;
return loopBlock.output.isConnectedInFragmentShader;
}
_buildBlock(state) {
super._buildBlock(state);
const value = this.value;
if (!this.loopID.isConnected) {
return this;
}
const loopBlock = this.loopID.connectedPoint.ownerBlock;
state.compilationString += `${loopBlock.output.associatedVariableName} = ${value.associatedVariableName};\n`;
return this;
}
}
let _Registered = false;
/**
* Register side effects for storageWriteBlock.
* Safe to call multiple times; only the first call has an effect.
*/
export function RegisterStorageWriteBlock() {
if (_Registered) {
return;
}
_Registered = true;
RegisterClass("BABYLON.StorageWriteBlock", StorageWriteBlock);
}
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