@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";
/**
* Block used to get the refracted vector from a direction and a normal
*/
export class RefractBlock extends NodeMaterialBlock {
/**
* Creates a new RefractBlock
* @param name defines the block name
*/
constructor(name) {
super(name, NodeMaterialBlockTargets.Neutral);
this.registerInput("incident", NodeMaterialBlockConnectionPointTypes.AutoDetect);
this.registerInput("normal", NodeMaterialBlockConnectionPointTypes.AutoDetect);
this.registerInput("ior", NodeMaterialBlockConnectionPointTypes.Float);
this.registerOutput("output", NodeMaterialBlockConnectionPointTypes.Vector3);
this._inputs[0].addExcludedConnectionPointFromAllowedTypes(NodeMaterialBlockConnectionPointTypes.Vector3 |
NodeMaterialBlockConnectionPointTypes.Vector4 |
NodeMaterialBlockConnectionPointTypes.Color3 |
NodeMaterialBlockConnectionPointTypes.Color4);
this._inputs[1].addExcludedConnectionPointFromAllowedTypes(NodeMaterialBlockConnectionPointTypes.Vector3 |
NodeMaterialBlockConnectionPointTypes.Vector4 |
NodeMaterialBlockConnectionPointTypes.Color3 |
NodeMaterialBlockConnectionPointTypes.Color4);
}
/**
* Gets the current class name
* @returns the class name
*/
getClassName() {
return "RefractBlock";
}
/**
* Gets the incident component
*/
get incident() {
return this._inputs[0];
}
/**
* Gets the normal component
*/
get normal() {
return this._inputs[1];
}
/**
* Gets the index of refraction component
*/
get ior() {
return this._inputs[2];
}
/**
* Gets the output component
*/
get output() {
return this._outputs[0];
}
_buildBlock(state) {
super._buildBlock(state);
const output = this._outputs[0];
state.compilationString +=
state._declareOutput(output) +
` = refract(${this.incident.associatedVariableName}.xyz, ${this.normal.associatedVariableName}.xyz, ${this.ior.associatedVariableName});\n`;
return this;
}
}
RegisterClass("BABYLON.RefractBlock", RefractBlock);
//# sourceMappingURL=refractBlock.js.map