Function setup

examples/FestivalStick/curr.h:290–409

fl::WaveCrgbGradientMapPtr crgMap = fl::make_shared<fl::WaveCrgbGradientMap>();

void setup() {
    // Use constexpr dimensions (computed at compile time)
    constexpr int width = CORKSCREW_WIDTH;   // = 16
    constexpr int height = CORKSCREW_HEIGHT; // = 18


    // Noise controls are now automatically grouped by the fl::UIGroup constructor
    // The noiseGroup variadic constructor automatically called setGroup() on all controls


    // Or use runtime corkscrew for dynamic sizing
    // int width = corkscrew.cylinder_width();
    // int height = corkscrew.cylinder_height();

    fl::XYMap xyMap = fl::XYMap::constructRectangularGrid(width, height, 0);

    // Use the corkscrew's internal buffer for the LED strip
    CLEDController *controller =
        &FastLED.addLeds<APA102HD, PIN_DATA, PIN_CLOCK, BGR>(corkscrew.rawData(), NUM_LEDS);

    // CLEDController *controller =
    //     &FastLED.addLeds<WS2812, 3, BGR>(stripLeds, NUM_LEDS);

    // NEW: Create fl::ScreenMap directly from fl::Corkscrew using toScreenMap()
    // This maps each LED index to its exact position on the corkscrew spiral
    // instead of using a rectangular grid mapping
    fl::ScreenMap corkscrewScreenMap = corkscrew.toScreenMap(0.2f);
    
    // OLD WAY (rectangular grid - not accurate for corkscrew visualization):
    // fl::ScreenMap screenMap = xyMap.toScreenMap();
    // screenMap.setDiameter(.2f);

    // Set the corkscrew screen map for the controller
    // This allows the web interface to display the actual corkscrew spiral shape
    controller->setScreenMap(corkscrewScreenMap);
    
    // Initialize wave effects for cylindrical surface
    fl::XYMap xyRect(width, height, false); // Rectangular grid for wave simulation
    fl::WaveFx::Args waveArgs;
    waveArgs.factor = fl::SuperSample::SUPER_SAMPLE_2X;  // 2x supersampling for smoother waves
    waveArgs.half_duplex = true;                     // Only positive waves
    waveArgs.auto_updates = true;                    // Auto-update simulation
    waveArgs.speed = 0.16f;                          // Wave propagation speed
    waveArgs.dampening = 6.0f;                       // Wave energy loss
    waveArgs.x_cyclical = true;                      // Enable cylindrical wrapping!
    waveArgs.crgbMap = fl::make_shared<fl::WaveCrgbGradientMap>(waveBluepal); // Default color palette

    // Create wave effect with cylindrical mapping
    waveFx = fl::make_shared<fl::WaveFx>(xyRect, waveArgs);
    
    // Create blender for wave effects (allows multiple wave layers in future)
    waveBlend = fl::make_shared<fl::Blend2d>(xyRect);
    waveBlend->add(waveFx);

    // Initialize fl::Animartrix effect
    fl::XYMap animartrixXyMap = fl::XYMap::constructRectangularGrid(width, height, 0);
    animartrix.reset(new fl::Animartrix(animartrixXyMap, fl::AnimartrixAnim::POLAR_WAVES));  // ok bare allocation
    fxEngine.reset(new fl::FxEngine(width * height));  // ok bare allocation