@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 { FlowGraphBlock } from "../../../flowGraphBlock.js";
import { RichTypeAny } from "../../../flowGraphRichTypes.js";
import { RegisterClass } from "../../../../Misc/typeStore.js";
import { FlowGraphInteger } from "../../../CustomTypes/flowGraphInteger.js";
import { getNumericValue } from "../../../utils.js";
/**
* This simple Util block takes an array as input and selects a single element from it.
*/
export class FlowGraphArrayIndexBlock extends FlowGraphBlock {
/**
* Construct a FlowGraphArrayIndexBlock.
* @param config construction parameters
*/
constructor(config) {
super(config);
this.config = config;
this.array = this.registerDataInput("array", RichTypeAny);
this.index = this.registerDataInput("index", RichTypeAny, new FlowGraphInteger(-1));
this.value = this.registerDataOutput("value", RichTypeAny);
}
/**
* @internal
*/
_updateOutputs(context) {
const array = this.array.getValue(context);
const index = getNumericValue(this.index.getValue(context));
if (array && index >= 0 && index < array.length) {
this.value.setValue(array[index], context);
}
else {
this.value.setValue(null, context);
}
}
/**
* Serializes this block
* @param serializationObject the object to serialize to
*/
serialize(serializationObject) {
super.serialize(serializationObject);
}
getClassName() {
return "FlowGraphArrayIndexBlock" /* FlowGraphBlockNames.ArrayIndex */;
}
}
RegisterClass("FlowGraphArrayIndexBlock" /* FlowGraphBlockNames.ArrayIndex */, FlowGraphArrayIndexBlock);
//# sourceMappingURL=flowGraphArrayIndexBlock.js.map