Function setup

examples/XYPath/simple.h:56–62

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

}
void loop() {
    fl::clear(leds);
    triggered = button.clicked();