@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 { NodeMaterialBlock } from "../nodeMaterialBlock.js";
import { NodeMaterialBlockConnectionPointTypes } from "../Enums/nodeMaterialBlockConnectionPointTypes.js";
import { NodeMaterialBlockTargets } from "../Enums/nodeMaterialBlockTargets.js";
import { RegisterClass } from "../../../Misc/typeStore.js";
import { InputBlock } from "./Input/inputBlock.js";
import { Vector4 } from "../../../Maths/math.vector.js";
/**
* Block used to build a matrix from 4 Vector4
*/
export class MatrixBuilderBlock extends NodeMaterialBlock {
/**
* Creates a new MatrixBuilder
* @param name defines the block name
*/
constructor(name) {
super(name, NodeMaterialBlockTargets.Neutral);
this.registerInput("row0", NodeMaterialBlockConnectionPointTypes.Vector4);
this.registerInput("row1", NodeMaterialBlockConnectionPointTypes.Vector4);
this.registerInput("row2", NodeMaterialBlockConnectionPointTypes.Vector4);
this.registerInput("row3", NodeMaterialBlockConnectionPointTypes.Vector4);
this.registerOutput("output", NodeMaterialBlockConnectionPointTypes.Matrix);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "MatrixBuilder";
}
/**
* Gets the row0 vector
*/
get row0() {
return this._inputs[0];
}
/**
* Gets the row1 vector
*/
get row1() {
return this._inputs[1];
}
/**
* Gets the row2 vector
*/
get row2() {
return this._inputs[2];
}
/**
* Gets the row3 vector
*/
get row3() {
return this._inputs[3];
}
/**
* Gets the output component
*/
get output() {
return this._outputs[0];
}
autoConfigure() {
if (!this.row0.isConnected) {
const row0Input = new InputBlock("row0");
row0Input.value = new Vector4(1, 0, 0, 0);
row0Input.output.connectTo(this.row0);
}
if (!this.row1.isConnected) {
const row1Input = new InputBlock("row1");
row1Input.value = new Vector4(0, 1, 0, 0);
row1Input.output.connectTo(this.row1);
}
if (!this.row2.isConnected) {
const row2Input = new InputBlock("row2");
row2Input.value = new Vector4(0, 0, 1, 0);
row2Input.output.connectTo(this.row2);
}
if (!this.row3.isConnected) {
const row3Input = new InputBlock("row3");
row3Input.value = new Vector4(0, 0, 0, 1);
row3Input.output.connectTo(this.row3);
}
}
_buildBlock(state) {
super._buildBlock(state);
const output = this._outputs[0];
const row0 = this.row0;
const row1 = this.row1;
const row2 = this.row2;
const row3 = this.row3;
const mat4 = state.shaderLanguage === 1 /* ShaderLanguage.WGSL */ ? "mat4x4f" : "mat4";
state.compilationString +=
state._declareOutput(output) +
` = ${mat4}(${row0.associatedVariableName}, ${row1.associatedVariableName}, ${row2.associatedVariableName}, ${row3.associatedVariableName});\n`;
return this;
}
}
RegisterClass("BABYLON.MatrixBuilder", MatrixBuilderBlock);
//# sourceMappingURL=matrixBuilderBlock.js.map