Function setup

examples/Corkscrew/Corkscrew.h:104–130

fl::Grid<CRGB> frameBuffer;

void setup() {
    int width = corkscrew.cylinderWidth();
    int height = corkscrew.cylinderHeight();

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

    fl::span<CRGB> leds = frameBuffer.span();

    CLEDController *controller =
        &FastLED.addLeds<WS2812, 3, BGR>(leds.data(), leds.size());

    // NEW: Create ScreenMap directly from Corkscrew using toScreenMap()
    // This maps each LED index to its exact position on the cylindrical surface
    fl::ScreenMap corkscrewScreenMap = corkscrew.toScreenMap(0.2f);
    
    // Alternative: Create ScreenMap from rectangular XYMap (old way)
    // 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 shape
    controller->setScreenMap(corkscrewScreenMap);
    
    // Initialize caching based on UI setting
    corkscrew.setCachingEnabled(cachingEnabled.value());
}

void loop() {
    fl::clear(frameBuffer);