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

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

"use strict";
import { TypedGlNode } from "./_Base";
import { ThreeToGl } from "../../../../src/core/ThreeToGl";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { GlConnectionPoint, GlConnectionPointType } from "../utils/io/connections/Gl";
const OUTPUT_NAME = "rand";
class RandomGlParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    this.seed = ParamConfig.VECTOR2([1, 1]);
  }
}
const ParamsConfig = new RandomGlParamsConfig();
export class RandomGlNode extends TypedGlNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
  }
  static type() {
    return "random";
  }
  initializeNode() {
    super.initializeNode();
    this.io.outputs.setNamedOutputConnectionPoints([
      new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.FLOAT)
    ]);
  }
  setLines(shaders_collection_controller) {
    const connectionPoints = this.io.inputs.namedInputConnectionPoints();
    if (!connectionPoints) {
      return;
    }
    const input_name = connectionPoints[0].name();
    const value = ThreeToGl.vector2(this.variableForInput(input_name));
    const float = this.glVarName(OUTPUT_NAME);
    const body_line = `float ${float} = rand(${value})`;
    shaders_collection_controller.addBodyLines(this, [body_line]);
  }
}