Function setup

examples/XYPath/direct.h:55–60

fl::XYPathPtr heartPath = fl::XYPath::NewHeartPath(WIDTH, HEIGHT);

void setup() {
    Serial.begin(115200);
    auto screenmap = xyMap.toScreenMap();
    screenmap.setDiameter(.2);
    FastLED.addLeds<NEOPIXEL, 2>(leds, NUM_LEDS).setScreenMap(screenmap);
}

void loop() {
    // leds(x,y) = fl::CRGB(255, 0, 0);