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

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

"use strict";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { TypedGlNode } from "./_Base";
import DitherMethods from "./gl/dither.glsl";
import { GlConnectionPoint, GlConnectionPointType } from "../utils/io/connections/Gl";
import { ThreeToGl } from "../../../core/ThreeToGl";
import { FunctionGLDefinition } from "./utils/GLDefinition";
const OUTPUT_NAME = "dither";
class DitherGlParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    this.alpha = ParamConfig.FLOAT(1);
    this.alphaTest = ParamConfig.FLOAT(0.5);
  }
}
const ParamsConfig = new DitherGlParamsConfig();
export class DitherGlNode extends TypedGlNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
  }
  static type() {
    return "dither";
  }
  initializeNode() {
    super.initializeNode();
    this.io.outputs.setNamedOutputConnectionPoints([
      new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.FLOAT)
    ]);
  }
  setLines(shadersCollectionController) {
    const alpha = ThreeToGl.float(this.variableForInputParam(this.p.alpha));
    const alphaTest = ThreeToGl.float(this.variableForInputParam(this.p.alphaTest));
    const output = this.glVarName(OUTPUT_NAME);
    const body_line = `float ${output} = dither(${alpha}, ${alphaTest})`;
    shadersCollectionController.addBodyLines(this, [body_line]);
    shadersCollectionController.addDefinitions(this, [new FunctionGLDefinition(this, DitherMethods)]);
  }
}