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

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

"use strict";
import { ThreeToGl } from "../../../core/ThreeToGl";
import GET_UV from "./gl/geometryAttributes/geometryAttributesLookupUv.glsl";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { GlConnectionPointType, GlConnectionPoint } from "../utils/io/connections/Gl";
import { FunctionGLDefinition } from "./utils/GLDefinition";
import { TypedGlNode } from "./_Base";
const OUTPUT_NAME = "uv";
class GeometryAttributeLookupUvGlParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    this.id = ParamConfig.FLOAT(0);
    this.textureSize = ParamConfig.VECTOR2([1, 1]);
  }
}
const ParamsConfig = new GeometryAttributeLookupUvGlParamsConfig();
export class GeometryAttributeLookupUvGlNode extends TypedGlNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
  }
  static type() {
    return "geometryAttributeLookupUv";
  }
  initializeNode() {
    super.initializeNode();
    this.io.outputs.setNamedOutputConnectionPoints([
      new GlConnectionPoint(OUTPUT_NAME, GlConnectionPointType.VEC2)
    ]);
  }
  setLines(shadersCollectionController) {
    const id = ThreeToGl.float(this.variableForInputParam(this.p.id));
    const textureSize = ThreeToGl.vector2(this.variableForInputParam(this.p.textureSize));
    const uv = this.glVarName(OUTPUT_NAME);
    const functionCall = `geometryAttributesLookupUv(${id},${textureSize})`;
    const bodyLine = `vec2 ${uv} = ${functionCall}`;
    shadersCollectionController.addBodyLines(this, [bodyLine]);
    shadersCollectionController.addDefinitions(this, [new FunctionGLDefinition(this, GET_UV)]);
  }
}