distance_lut.cpp.hpp File Reference

Detailed Description

Single definition of distance antialiasing LUT This is included in the unity build via fl/gfx/_build.cpp.hpp.

Definition in file distance_lut.cpp.hpp.

#include "fl/math/distance_lut.h"
#include "fastled_progmem.h"

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Namespaces
namespace	fl
	Base definition for an LED controller.
namespace	fl::gfx
namespace	fl::gfx::detail
	============================================================================

Functions
const fl::u8 distanceAA_LUT[256]	fl::gfx::detail::FL_ALIGN_PROGMEM (256)
	256-byte antialiasing lookup table Maps normalized squared distance d²/r_max² (scaled 0..255) to brightness byte Entry i = round(255 * max(0, 1 - sqrt(i/255))) Provides smooth antialiasing fringe for circles and discs