const Config = function()

in gui.js [42:154]
89 lines of code
19 McCabe index (conditional complexity)

const Config = function(layers, defaults, constants, funcs, randomize) {
    const customAdd = C.BLEND_FUNCS['+'];
    const one = C.BLEND_FACTORS['1'];
    const zero = C.BLEND_FACTORS['0'];

    const mode = defaults.mode;
    this.product = defaults.product;

    const sizePresetSet = getSizeSet(mode, constants);

    layers.forEach((layer, index) => {
      if (layer.kind == 'webgl') {
        if (mode !== 'prod') {
          if (layer.blend[0]) {
            const blend = layer.blend[0];
            this['blendColor' + index] = blend.color || [ 1, 0, 0, 0 ]; // FIXME: get RGBA components
            this['blendColorEqFn' + index] = C.BLEND_FUNCS[C.funcKeys[blend.colorEq[0]]];
            this['blendColorEqFactor0' + index] = C.BLEND_FACTORS[C.factorKeys[blend.colorEq[1]]];
            this['blendColorEqFactor1' + index] = C.BLEND_FACTORS[C.factorKeys[blend.colorEq[2]]];
            this['blendAlphaEqFn' + index] = C.BLEND_FUNCS[C.funcKeys[blend.alphaEq[0]]];
            this['blendAlphaEqFactor0' + index] = C.BLEND_FACTORS[C.factorKeys[blend.alphaEq[1]]];
            this['blendAlphaEqFactor1' + index] = C.BLEND_FACTORS[C.factorKeys[blend.alphaEq[2]]];
          } else {
            this['blendColor' + index] = [ 0, 0, 0, 0 ];
            this['blendColorEqFn' + index] = customAdd;
            this['blendColorEqFactor0' + index] = one;
            this['blendColorEqFactor1' + index] = zero;
            this['blendAlphaEqFn' + index] = customAdd;
            this['blendAlphaEqFactor0' + index] = one;
            this['blendAlphaEqFactor1' + index] = zero;
          }

        } else { // mode == 'prod'
          this['blendSet' + index] = C.BLEND_SETS['soft'];
          this['blendColor' + index] =
              layer.blend[0].color || [ 1, 0, 0, 0 ]; // FIXME: get RGBA components
        }
      } else { // kind != 'webgl'
          if (!is.background(layer)) {
            this['layer' + index + 'Blend'] = layer.blend[1] || 'normal';
          }
      }

      this['visible' + index] = !!layer.isOn;
      if (!is.background(layer) && !is.cover(layer)) {
        this['opacity' + index] = layer.opacity;
      }

      if (is.fss(layer)) {
        this['mirror' + index] =  layer.model.mirror;
        this['renderMode' + index] = 'triangles';
        this['lightSpeed' + index] = layer.model.lightSpeed;
        this['facesX' + index] = layer.model.faces.x;
        this['facesY' + index] = layer.model.faces.y;
        this['vignette' + index] = layer.model.vignette;
        this['iris' + index] = layer.model.iris;
        this['amplitudeX' + index] = layer.model.amplitude[0];
        this['amplitudeY' + index] = layer.model.amplitude[1];
        this['amplitudeZ' + index] = layer.model.amplitude[2];
        this['opacity' + index] = layer.model.opacity;
        this['hue' + index] = layer.model.colorShift[0];
        this['saturation' + index] = layer.model.colorShift[1];
        this['brightness' + index] = layer.model.colorShift[2];
      }

      if (is.cover(layer)) {
        this['productShown'+index] = !!layer.model.productShown;
      }

      if (is.fluid(layer) || is.nativeMetaballs(layer)) {

        if (is.fluid(layer)) {
          this['bang' + index] = () => funcs.refreshFluid(index);
          this['rebuildGradients' + index] = () => funcs.rebuildFluidGradients(index);
        }
        if (is.nativeMetaballs(layer)) {
          this['bang' + index] = () => funcs.refreshNativeMetaballs(index);
        }
        this['variety'+index] = layer.model.variety;
        this['orbit'+index] = layer.model.orbit;
        this['blur'+index] = layer.model.effects.blur;
        this['fat'+index] = layer.model.effects.fat;
        this['ring'+index] = layer.model.effects.ring;
      }

      if (is.background(layer)) {
        const stopStates = layer.model.stops || [];
        const gradientType = layer.model.orientation || "linear";
        this['isRadial'+index] = gradientType == "radial";
        this['stop1'+index] = stopStates[0] == "on";
        this['stop2'+index] = stopStates[1] == "on";
        this['stop3'+index] = stopStates[2] == "on";
        this['darken'+index] = layer.model.darken;
      }
    });

    //this.customSize = sizePresetSet['browser'];
    this.sizePreset = sizePresetSet['browser'];

    //this.savePng = funcs.savePng;
    this.saveBatch = () => funcs.saveBatch(/*Object.values(sizePresetSet)*/);
    // this.randomize = randomize(this); // FIXME: this way we updated FSS using "I feel lucky", consider returning it back in some way

    this.randomize = () => funcs.iFeelLucky();

    // this.store = () => funcs.store();

    // -------
    //this.timeShift = 0;
    // this.getSceneJson = funcs.getSceneJson;
    // this.loadSceneJson = funcs.loadSceneJson;
    //this.exportZip = funcs.exportZip;
};