I love it when running code shows enlighten results. 
Police Lights
Lighthouse
This time, I handle the LEDs like an XY array. 24 LEDs at X axis, 54 LEDs at Y axis.
It is very easy to fill some areas with some color.
This is the code
void fill_XYrange(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, RGBPixel p, uint8_t brightness)
{
for(uint16_t y = y1; y <= y2; y++) {
for(uint16_t x = x1; x <= x2; x++) {
uint16_t LedPos = calc_AbsLedPos(x,y);
set_ColorDimmed(LedPos, p, brightness);
}
}
}
I changed the code to use RGBPixels as default instead of using r, g, b as single variables
Some color definition makes it much easier too
// COLORS
const RGBPixel colorBlack {0,0,0};
const RGBPixel colorWhite {255,255,255};
const RGBPixel colorRed {255,0,0};
const RGBPixel colorLime {0,255,0};
const RGBPixel colorBlue {0,0,255};
const RGBPixel colorYellow {255,255,0};
const RGBPixel colorCyan {0,255,255};
const RGBPixel colorMagenta {255,0,255};
const RGBPixel colorSilver {192,192,192};
const RGBPixel colorGray {128,128,128};
const RGBPixel colorMaroon {128,0,0};
const RGBPixel colorOlive {128,128,0};
const RGBPixel colorGreen {0,128,0};
const RGBPixel colorPurple {128,0,128};
const RGBPixel colorTeal {0,128,128};
const RGBPixel colorNavy {0,0,128};
