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

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

"use strict";
import { BaseNodeGlMathFunctionArg1GlNode } from "./_BaseMathFunction";
import { ThreeToGl } from "../../../core/ThreeToGl";
export class NegateGlNode extends BaseNodeGlMathFunctionArg1GlNode {
  static type() {
    return "negate";
  }
  initializeNode() {
    super.initializeNode();
    this.io.connection_points.set_input_name_function((index) => ["in"][index]);
  }
  _gl_input_name(index) {
    return ["in"][index];
  }
  setLines(shaders_collection_controller) {
    const connectionPoints = this.io.inputs.namedInputConnectionPoints();
    if (!connectionPoints) {
      return;
    }
    const in_value = ThreeToGl.any(this.variableForInput(this._gl_input_name(0)));
    const gl_type = connectionPoints[0].type();
    const out = this.glVarName(this.io.connection_points.output_name(0));
    const body_line = `${gl_type} ${out} = -1.0 * ${in_value}`;
    shaders_collection_controller.addBodyLines(this, [body_line]);
  }
}