@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 { RegisterClass } from "../../../Misc/typeStore.js";
/**
* Block used to smooth step a value
*/
export class SmoothStepBlock extends NodeMaterialBlock {
/**
* Creates a new SmoothStepBlock
* @param name defines the block name
*/
constructor(name) {
super(name, NodeMaterialBlockTargets.Neutral);
this.registerInput("value", NodeMaterialBlockConnectionPointTypes.AutoDetect);
this.registerInput("edge0", NodeMaterialBlockConnectionPointTypes.Float);
this.registerInput("edge1", NodeMaterialBlockConnectionPointTypes.Float);
this.registerOutput("output", NodeMaterialBlockConnectionPointTypes.BasedOnInput);
this._outputs[0]._typeConnectionSource = this._inputs[0];
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "SmoothStepBlock";
}
/**
* Gets the value operand input component
*/
get value() {
return this._inputs[0];
}
/**
* Gets the first edge operand input component
*/
get edge0() {
return this._inputs[1];
}
/**
* Gets the second edge operand input component
*/
get edge1() {
return this._inputs[2];
}
/**
* Gets the output component
*/
get output() {
return this._outputs[0];
}
_buildBlock(state) {
super._buildBlock(state);
const output = this._outputs[0];
const cast = state._getShaderType(this.value.type);
state.compilationString +=
state._declareOutput(output) +
` = smoothstep(${cast}(${this.edge0.associatedVariableName}), ${cast}(${this.edge1.associatedVariableName}), ${this.value.associatedVariableName});\n`;
return this;
}
}
let _Registered = false;
/**
* Register side effects for smoothStepBlock.
* Safe to call multiple times; only the first call has an effect.
*/
export function RegisterSmoothStepBlock() {
if (_Registered) {
return;
}
_Registered = true;
RegisterClass("BABYLON.SmoothStepBlock", SmoothStepBlock);
}
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