FlowField.ino File Reference

Detailed Description

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

Definition in file FlowField.ino.

#include <FastLED.h>
#include "fl/ui/ui.h"
#include "fl/fx/2d/flowfield.h"

Include dependency graph for FlowField.ino:

Go to the source code of this file.

Macros
#define	BRIGHTNESS   255
#define	DATA_PIN   2
#define	HEIGHT   64
#define	NUM_LEDS   (WIDTH * HEIGHT)
#define	SERPENTINE   true
#define	WIDTH   64

Functions
fl::UIDescription	description ("Flow field visualization with noise-driven advection, creating fluid-like patterns from color emitters. " "Concept by Stefan Petrick, Initial C++ implementation by 4wheeljive. FastLED port adaptation + fixed point " "optmization by Zach Vorhies.")
void	loop ()
void	setup ()

Variables
fl::UIGroup	appearanceGroup ("Appearance", endpointSpeed, colorShift, persistence, flowShift, numDots, emitterMode)
fl::UISlider	colorShift ("Color Shift", 0.04f, 0.0f, 0.5f, 0.01f)
fl::UIDropdown	computeMode ("Compute Mode", {"Float", "Fixed-Point (Fast)"})
fl::UIGroup	debugGroup ("Debug", computeMode, showFlowVectors)
fl::UIDropdown	emitterMode ("Emitter Mode", {"Lissajous", "Dots", "Both"})
fl::UISlider	endpointSpeed ("Endpoint Speed", 0.80f, 0.05f, 2.0f, 0.01f)
fl::UISlider	flowAmpX ("X Amplitude", 1.0f, 0.0f, 2.0f, 0.01f)
fl::UISlider	flowAmpY ("Y Amplitude", 1.0f, 0.0f, 2.0f, 0.01f)
fl::FlowFieldFloat	flowFieldFloat (xyMap)
fl::FlowFieldFP	flowFieldFP (xyMap)
fl::UISlider	flowFreqX ("X Frequency", 0.33f, 0.05f, 4.0f, 0.01f)
fl::UISlider	flowFreqY ("Y Frequency", 0.32f, 0.05f, 4.0f, 0.01f)
fl::UISlider	flowShift ("Pixel Shift", 1.8f, 0.5f, 4.0f, 0.1f)
fl::UISlider	flowSpeedX ("X Speed", 0.10f, -2.0f, 2.0f, 0.01f)
fl::UISlider	flowSpeedY ("Y Speed", 0.10f, -2.0f, 2.0f, 0.01f)
fl::UIGroup	flowXGroup ("Flow X", flowSpeedX, flowAmpX, flowFreqX)
fl::UIGroup	flowYGroup ("Flow Y", flowSpeedY, flowAmpY, flowFreqY)
CRGB	leds [NUM_LEDS]
fl::UIButton	noisePunch ("NoisePunch")
fl::UISlider	numDots ("Dots", 3, 1, 5, 1)
fl::UISlider	persistence ("Trail Half-Life (s)", 0.86f, 0.05f, 5.0f, 0.01f)
fl::UICheckbox	showFlowVectors ("Show Flow Vectors", false)
fl::UITitle	title ("FlowFields")
fl::XYMap	xyMap (WIDTH, HEIGHT, SERPENTINE)