ring_canvas.h File Reference

#include "FastLED.h"
#include "fl/stl/span.h"
#include "fl/stl/stdint.h"

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Classes
struct	mood_ring::RGBf
	Linear-light float pixel, nominal range [0, 1], may exceed 1 before clip. More...
class	mood_ring::RingCanvas
	Additive drawing helpers over a span of float pixels. More...
class	mood_ring::Xorshift
	Small deterministic RNG for sparkle. No libc, no global state. More...

Namespaces
namespace	mood_ring

Functions
float	mood_ring::clampf (float v, float lo, float hi)
float	mood_ring::falloff (float distance, float sigma)
	Smooth bump: 1 at distance 0, 0 at distance >= sigma.
RGBf	mood_ring::rgbfWhite ()
float	mood_ring::ringDistance (float a, float b)
	Shortest distance between two ring positions, in turns, in [0, 0.5].
float	mood_ring::ringOffset (float a, float b)
	Signed shortest offset from b to a on the ring, in (-0.5, 0.5].
float	mood_ring::smoothstepf (float e0, float e1, float x)
	0 below e0, 1 above e1, smooth in between.
CRGB	mood_ring::toCRGB (const RGBf &p)
RGBf	mood_ring::toRGBf (CRGB c)
float	mood_ring::wrapTurns (float t)
	Wrap into [0, 1).