flowfield.h File Reference

Detailed Description

2D flow field visualization: emitters paint color, noise advects it

Definition in file flowfield.h.

#include "fl/stl/stdint.h"
#include "crgb.h"
#include "fl/math/filter/filter.h"
#include "fl/math/math.h"
#include "fl/stl/shared_ptr.h"
#include "fl/fx/fx2d.h"
#include "fl/fx/time.h"
#include "fl/math/xymap.h"
#include "fl/stl/align.h"
#include "fl/stl/vector.h"
#include "fl/math/fixed_point/s16x16.h"
#include "fl/stl/noexcept.h"

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Classes
class	fl::FlowField
	Abstract base class for 2D flow field effects. More...
class	fl::FlowFieldFloat
	Float-precision flow field implementation. More...
class	fl::FlowFieldFloat::Perlin2D
class	fl::FlowFieldFP
	Pure fixed-point (s16x16) flow field implementation for maximum speed. More...
struct	fl::FlowFieldFPState
	SoA (Structure-of-Arrays) state for FlowFieldFP. More...
struct	fl::FlowFieldParams
	Configuration parameters for FlowField. More...
class	fl::NoiseBias1D
	Per-position attack/decay bias for one axis. More...
class	fl::NoiseBias2D
	Two-axis attack/decay bias for 2D effects (per-column X + per-row Y). More...

Namespaces
namespace	fl
	Base definition for an LED controller.

Enumerations
enum class	fl::BumpShape : u8 { fl::HalfSine , fl::Gaussian }
	Shape function for NoiseBias triggers. More...

Functions
	fl::FASTLED_SHARED_PTR (FlowField)
	fl::FASTLED_SHARED_PTR (FlowFieldFloat)
	fl::FASTLED_SHARED_PTR (FlowFieldFP)

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Class Documentation

fl::FlowFieldParams

struct fl::FlowFieldParams

Class Members
float	color_shift = 0.04f	Color shift speed.
int	dot_count = 3	Number of orbital dots.
int	emitter_mode = 0	0=Lissajous, 1=Dots, 2=Both
float	endpoint_speed = 0.80f	Lissajous endpoint speed.
float	flow_amp_x = 1.0f	Flow amplitude X.
float	flow_amp_y = 1.0f	Flow amplitude Y.
float	flow_shift = 1.8f	Pixel shift amount.
float	flow_speed_x = 0.10f	Noise scroll speed X.
float	flow_speed_y = 0.10f	Noise scroll speed Y.
float	noise_freq_x = 0.33f	Noise frequency X.
float	noise_freq_y = 0.32f	Noise frequency Y.
float	persistence = 0.86f	Trail half-life in seconds.
bool	reverse_x_profile = true	Reverse X profile (matches Python)
bool	show_flow_vectors = false	Draw flow profiles as overlay.