@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 { __decorate } from "../../../tslib.es6.js";
import { NodeMaterialBlock } from "../nodeMaterialBlock.js";
import { NodeMaterialBlockConnectionPointTypes } from "../Enums/nodeMaterialBlockConnectionPointTypes.js";
import { NodeMaterialBlockTargets } from "../Enums/nodeMaterialBlockTargets.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
import { editableInPropertyPage } from "../../../Decorators/nodeDecorator.js";
import { InputBlock } from "./Input/inputBlock.js";
/**
* Operations supported by the ConditionalBlock block
*/
export var ConditionalBlockConditions;
(function (ConditionalBlockConditions) {
/** Equal */
ConditionalBlockConditions[ConditionalBlockConditions["Equal"] = 0] = "Equal";
/** NotEqual */
ConditionalBlockConditions[ConditionalBlockConditions["NotEqual"] = 1] = "NotEqual";
/** LessThan */
ConditionalBlockConditions[ConditionalBlockConditions["LessThan"] = 2] = "LessThan";
/** GreaterThan */
ConditionalBlockConditions[ConditionalBlockConditions["GreaterThan"] = 3] = "GreaterThan";
/** LessOrEqual */
ConditionalBlockConditions[ConditionalBlockConditions["LessOrEqual"] = 4] = "LessOrEqual";
/** GreaterOrEqual */
ConditionalBlockConditions[ConditionalBlockConditions["GreaterOrEqual"] = 5] = "GreaterOrEqual";
/** Logical Exclusive OR */
ConditionalBlockConditions[ConditionalBlockConditions["Xor"] = 6] = "Xor";
/** Logical Or */
ConditionalBlockConditions[ConditionalBlockConditions["Or"] = 7] = "Or";
/** Logical And */
ConditionalBlockConditions[ConditionalBlockConditions["And"] = 8] = "And";
})(ConditionalBlockConditions || (ConditionalBlockConditions = {}));
/**
* Block used to apply conditional operation between floats
* @since 5.0.0
*/
export class ConditionalBlock extends NodeMaterialBlock {
/**
* Creates a new ConditionalBlock
* @param name defines the block name
*/
constructor(name) {
super(name, NodeMaterialBlockTargets.Neutral);
/**
* Gets or sets the condition applied by the block
*/
this.condition = ConditionalBlockConditions.LessThan;
this.registerInput("a", NodeMaterialBlockConnectionPointTypes.Float);
this.registerInput("b", NodeMaterialBlockConnectionPointTypes.Float);
this.registerInput("true", NodeMaterialBlockConnectionPointTypes.AutoDetect, true);
this.registerInput("false", NodeMaterialBlockConnectionPointTypes.AutoDetect, true);
this.registerOutput("output", NodeMaterialBlockConnectionPointTypes.BasedOnInput);
this._linkConnectionTypes(2, 3);
this._outputs[0]._typeConnectionSource = this._inputs[2];
this._outputs[0]._defaultConnectionPointType = NodeMaterialBlockConnectionPointTypes.Float;
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "ConditionalBlock";
}
/**
* Gets the first operand component
*/
get a() {
return this._inputs[0];
}
/**
* Gets the second operand component
*/
get b() {
return this._inputs[1];
}
/**
* Gets the value to return if condition is true
*/
get true() {
return this._inputs[2];
}
/**
* Gets the value to return if condition is false
*/
get false() {
return this._inputs[3];
}
/**
* Gets the output component
*/
get output() {
return this._outputs[0];
}
autoConfigure(nodeMaterial) {
if (!this.true.isConnected) {
const minInput = nodeMaterial.getBlockByPredicate((b) => b.isInput && b.value === 1 && b.name === "True") || new InputBlock("True");
minInput.value = 1;
minInput.output.connectTo(this.true);
}
if (!this.false.isConnected) {
const maxInput = nodeMaterial.getBlockByPredicate((b) => b.isInput && b.value === 0 && b.name === "False") || new InputBlock("False");
maxInput.value = 0;
maxInput.output.connectTo(this.false);
}
}
_buildBlock(state) {
super._buildBlock(state);
const output = this._outputs[0];
const trueStatement = this.true.isConnected ? this.true.associatedVariableName : "1.0";
const falseStatement = this.false.isConnected ? this.false.associatedVariableName : "0.0";
switch (this.condition) {
case ConditionalBlockConditions.Equal: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} == ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.NotEqual: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} != ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.LessThan: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} < ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.LessOrEqual: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} <= ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.GreaterThan: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} > ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.GreaterOrEqual: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `${this.a.associatedVariableName} >= ${this.b.associatedVariableName}`)};\n`;
break;
}
case ConditionalBlockConditions.Xor: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `(((${this.a.associatedVariableName} + ${this.b.associatedVariableName}) % 2.0) > 0.0)`)};\n`;
break;
}
case ConditionalBlockConditions.Or: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `(min(${this.a.associatedVariableName} + ${this.b.associatedVariableName}, 1.0) > 0.0)`)};\n`;
break;
}
case ConditionalBlockConditions.And: {
state.compilationString +=
state._declareOutput(output) +
` = ${state._generateTernary(trueStatement, falseStatement, `(${this.a.associatedVariableName} * ${this.b.associatedVariableName} > 0.0)`)};\n`;
break;
}
}
return this;
}
serialize() {
const serializationObject = super.serialize();
serializationObject.condition = this.condition;
return serializationObject;
}
_deserialize(serializationObject, scene, rootUrl) {
super._deserialize(serializationObject, scene, rootUrl);
this.condition = serializationObject.condition;
}
_dumpPropertiesCode() {
const codeString = super._dumpPropertiesCode() + `${this._codeVariableName}.condition = BABYLON.ConditionalBlockConditions.${ConditionalBlockConditions[this.condition]};\n`;
return codeString;
}
}
__decorate([
editableInPropertyPage("Condition", 4 /* PropertyTypeForEdition.List */, "ADVANCED", {
notifiers: { rebuild: true },
embedded: true,
options: [
{ label: "Equal", value: ConditionalBlockConditions.Equal },
{ label: "NotEqual", value: ConditionalBlockConditions.NotEqual },
{ label: "LessThan", value: ConditionalBlockConditions.LessThan },
{ label: "GreaterThan", value: ConditionalBlockConditions.GreaterThan },
{ label: "LessOrEqual", value: ConditionalBlockConditions.LessOrEqual },
{ label: "GreaterOrEqual", value: ConditionalBlockConditions.GreaterOrEqual },
{ label: "Xor", value: ConditionalBlockConditions.Xor },
{ label: "And", value: ConditionalBlockConditions.And },
{ label: "Or", value: ConditionalBlockConditions.Or },
],
})
], ConditionalBlock.prototype, "condition", void 0);
RegisterClass("BABYLON.ConditionalBlock", ConditionalBlock);
//# sourceMappingURL=conditionalBlock.js.map