@polygonjs/polygonjs/dist/src/engine/nodes/gl/LabToRgb.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { TypedGlNode } from "./_Base";
import { ThreeToGl } from "../../../../src/core/ThreeToGl";
import ColorGlslLib from "./gl/color.glsl";
import { GlConnectionPointType, GlConnectionPoint } from "../utils/io/connections/Gl";
import { FunctionGLDefinition } from "./utils/GLDefinition";
const OUTPUT_NAME = "rgb";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
class LabToRgbGlParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    this.lab = ParamConfig.VECTOR3([1, 1, 1]);
  }
}
const ParamsConfig = new LabToRgbGlParamsConfig();
export class LabToRgbGlNode extends TypedGlNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
  }
  static type() {
    return "lab_to_rgb";
  }
  initializeNode() {
    super.initializeNode();
    this.io.outputs.setNamedOutputConnectionPoints([
      new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.VEC3)
    ]);
  }
  setLines(shaders_collection_controller) {
    const function_declaration_lines = [];
    const body_lines = [];
    function_declaration_lines.push(new FunctionGLDefinition(this, ColorGlslLib));
    const value = ThreeToGl.vector3(this.variableForInputParam(this.p.lab));
    const rgb = this.glVarName(OUTPUT_NAME);
    body_lines.push(`vec3 ${rgb} = labToRgb(vec3(${value}.x*100.0, -128.0, 128.0 ))`);
    shaders_collection_controller.addDefinitions(this, function_declaration_lines);
    shaders_collection_controller.addBodyLines(this, body_lines);
  }
}