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FX.cpp
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/*
WS2812FX.cpp contains all effect methods
Harm Aldick - 2016
www.aldick.org
Copyright (c) 2016 Harm Aldick
Licensed under the EUPL v. 1.2 or later
Adapted from code originally licensed under the MIT license
Modified heavily for WLED
*/
#include "wled.h"
#include "FX.h"
#include "fcn_declare.h"
#if !(defined(WLED_DISABLE_PARTICLESYSTEM2D) && defined(WLED_DISABLE_PARTICLESYSTEM1D))
#include "FXparticleSystem.h"
#ifdef ESP8266
#if !defined(WLED_DISABLE_PARTICLESYSTEM2D) && !defined(WLED_DISABLE_PARTICLESYSTEM1D)
#error ESP8266 does not support 1D and 2D particle systems simultaneously. Please disable one of them.
#endif
#endif
#else
#define WLED_PS_DONT_REPLACE_FX
#endif
//////////////
// DEV INFO //
//////////////
/*
information for FX metadata strings: https://kno.wled.ge/interfaces/json-api/#effect-metadata
Audio Reactive: use the following code to pass usermod variables to effect
uint8_t *binNum = (uint8_t*)&SEGENV.aux1, *maxVol = (uint8_t*)(&SEGENV.aux1+1); // just in case assignment
bool samplePeak = false;
float FFT_MajorPeak = 1.0;
uint8_t *fftResult = nullptr;
float *fftBin = nullptr;
um_data_t *um_data = getAudioData();
volumeSmth = *(float*) um_data->u_data[0];
volumeRaw = *(float*) um_data->u_data[1];
fftResult = (uint8_t*) um_data->u_data[2];
samplePeak = *(uint8_t*) um_data->u_data[3];
FFT_MajorPeak = *(float*) um_data->u_data[4];
my_magnitude = *(float*) um_data->u_data[5];
maxVol = (uint8_t*) um_data->u_data[6]; // requires UI element (SEGMENT.customX?), changes source element
binNum = (uint8_t*) um_data->u_data[7]; // requires UI element (SEGMENT.customX?), changes source element
fftBin = (float*) um_data->u_data[8];
*/
#define IBN 5100
// paletteBlend: 0 - wrap when moving, 1 - always wrap, 2 - never wrap, 3 - none (undefined)
#define PALETTE_SOLID_WRAP (strip.paletteBlend == 1 || strip.paletteBlend == 3)
#define PALETTE_MOVING_WRAP !(strip.paletteBlend == 2 || (strip.paletteBlend == 0 && SEGMENT.speed == 0))
#define indexToVStrip(index, stripNr) ((index) | (int((stripNr)+1)<<16))
// a few constants needed for AudioReactive effects
// for 22Khz sampling
#define MAX_FREQUENCY 11025 // sample frequency / 2 (as per Nyquist criterion)
#define MAX_FREQ_LOG10 4.04238f // log10(MAX_FREQUENCY)
// for 20Khz sampling
//#define MAX_FREQUENCY 10240
//#define MAX_FREQ_LOG10 4.0103f
// for 10Khz sampling
//#define MAX_FREQUENCY 5120
//#define MAX_FREQ_LOG10 3.71f
// effect utility functions
uint8_t sin_gap(uint16_t in) {
if (in & 0x100) return 0;
return sin8_t(in + 192); // correct phase shift of sine so that it starts and stops at 0
}
uint16_t triwave16(uint16_t in) {
if (in < 0x8000) return in *2;
return 0xFFFF - (in - 0x8000)*2;
}
/*
* Generates a tristate square wave w/ attac & decay
* @param x input value 0-255
* @param pulsewidth 0-127
* @param attdec attack & decay, max. pulsewidth / 2
* @returns signed waveform value
*/
int8_t tristate_square8(uint8_t x, uint8_t pulsewidth, uint8_t attdec) {
int8_t a = 127;
if (x > 127) {
a = -127;
x -= 127;
}
if (x < attdec) { //inc to max
return (int16_t) x * a / attdec;
}
else if (x < pulsewidth - attdec) { //max
return a;
}
else if (x < pulsewidth) { //dec to 0
return (int16_t) (pulsewidth - x) * a / attdec;
}
return 0;
}
static um_data_t* getAudioData() {
um_data_t *um_data;
if (!UsermodManager::getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
// add support for no audio
um_data = simulateSound(SEGMENT.soundSim);
}
return um_data;
}
// effect functions
/*
* No blinking. Just plain old static light.
*/
uint16_t mode_static(void) {
SEGMENT.fill(SEGCOLOR(0));
return strip.isOffRefreshRequired() ? FRAMETIME : 350;
}
static const char _data_FX_MODE_STATIC[] PROGMEM = "Solid";
/*
* Blink/strobe function
* Alternate between color1 and color2
* if(strobe == true) then create a strobe effect
*/
uint16_t blink(uint32_t color1, uint32_t color2, bool strobe, bool do_palette) {
uint32_t cycleTime = (255 - SEGMENT.speed)*20;
uint32_t onTime = FRAMETIME;
if (!strobe) onTime += ((cycleTime * SEGMENT.intensity) >> 8);
cycleTime += FRAMETIME*2;
uint32_t it = strip.now / cycleTime;
uint32_t rem = strip.now % cycleTime;
bool on = false;
if (it != SEGENV.step //new iteration, force on state for one frame, even if set time is too brief
|| rem <= onTime) {
on = true;
}
SEGENV.step = it; //save previous iteration
uint32_t color = on ? color1 : color2;
if (color == color1 && do_palette)
{
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
} else SEGMENT.fill(color);
return FRAMETIME;
}
/*
* Normal blinking. Intensity sets duty cycle.
*/
uint16_t mode_blink(void) {
return blink(SEGCOLOR(0), SEGCOLOR(1), false, true);
}
static const char _data_FX_MODE_BLINK[] PROGMEM = "Blink@!,Duty cycle;!,!;!;01";
/*
* Classic Blink effect. Cycling through the rainbow.
*/
uint16_t mode_blink_rainbow(void) {
return blink(SEGMENT.color_wheel(SEGENV.call & 0xFF), SEGCOLOR(1), false, false);
}
static const char _data_FX_MODE_BLINK_RAINBOW[] PROGMEM = "Blink Rainbow@Frequency,Blink duration;!,!;!;01";
/*
* Classic Strobe effect.
*/
uint16_t mode_strobe(void) {
return blink(SEGCOLOR(0), SEGCOLOR(1), true, true);
}
static const char _data_FX_MODE_STROBE[] PROGMEM = "Strobe@!;!,!;!;01";
/*
* Classic Strobe effect. Cycling through the rainbow.
*/
uint16_t mode_strobe_rainbow(void) {
return blink(SEGMENT.color_wheel(SEGENV.call & 0xFF), SEGCOLOR(1), true, false);
}
static const char _data_FX_MODE_STROBE_RAINBOW[] PROGMEM = "Strobe Rainbow@!;,!;!;01";
/*
* Color wipe function
* LEDs are turned on (color1) in sequence, then turned off (color2) in sequence.
* if (bool rev == true) then LEDs are turned off in reverse order
*/
uint16_t color_wipe(bool rev, bool useRandomColors) {
if (SEGLEN <= 1) return mode_static();
uint32_t cycleTime = 750 + (255 - SEGMENT.speed)*150;
uint32_t perc = strip.now % cycleTime;
unsigned prog = (perc * 65535) / cycleTime;
bool back = (prog > 32767);
if (back) {
prog -= 32767;
if (SEGENV.step == 0) SEGENV.step = 1;
} else {
if (SEGENV.step == 2) SEGENV.step = 3; //trigger color change
}
if (useRandomColors) {
if (SEGENV.call == 0) {
SEGENV.aux0 = hw_random8();
SEGENV.step = 3;
}
if (SEGENV.step == 1) { //if flag set, change to new random color
SEGENV.aux1 = get_random_wheel_index(SEGENV.aux0);
SEGENV.step = 2;
}
if (SEGENV.step == 3) {
SEGENV.aux0 = get_random_wheel_index(SEGENV.aux1);
SEGENV.step = 0;
}
}
unsigned ledIndex = (prog * SEGLEN) >> 15;
unsigned rem = 0;
rem = (prog * SEGLEN) * 2; //mod 0xFFFF
rem /= (SEGMENT.intensity +1);
if (rem > 255) rem = 255;
uint32_t col1 = useRandomColors? SEGMENT.color_wheel(SEGENV.aux1) : SEGCOLOR(1);
for (unsigned i = 0; i < SEGLEN; i++)
{
unsigned index = (rev && back)? SEGLEN -1 -i : i;
uint32_t col0 = useRandomColors? SEGMENT.color_wheel(SEGENV.aux0) : SEGMENT.color_from_palette(index, true, PALETTE_SOLID_WRAP, 0);
if (i < ledIndex)
{
SEGMENT.setPixelColor(index, back? col1 : col0);
} else
{
SEGMENT.setPixelColor(index, back? col0 : col1);
if (i == ledIndex) SEGMENT.setPixelColor(index, color_blend(back? col0 : col1, back? col1 : col0, uint8_t(rem)));
}
}
return FRAMETIME;
}
/*
* Lights all LEDs one after another.
*/
uint16_t mode_color_wipe(void) {
return color_wipe(false, false);
}
static const char _data_FX_MODE_COLOR_WIPE[] PROGMEM = "Wipe@!,!;!,!;!";
/*
* Lights all LEDs one after another. Turns off opposite
*/
uint16_t mode_color_sweep(void) {
return color_wipe(true, false);
}
static const char _data_FX_MODE_COLOR_SWEEP[] PROGMEM = "Sweep@!,!;!,!;!";
/*
* Turns all LEDs after each other to a random color.
* Then starts over with another color.
*/
uint16_t mode_color_wipe_random(void) {
return color_wipe(false, true);
}
static const char _data_FX_MODE_COLOR_WIPE_RANDOM[] PROGMEM = "Wipe Random@!;;!";
/*
* Random color introduced alternating from start and end of strip.
*/
uint16_t mode_color_sweep_random(void) {
return color_wipe(true, true);
}
static const char _data_FX_MODE_COLOR_SWEEP_RANDOM[] PROGMEM = "Sweep Random@!;;!";
/*
* Lights all LEDs up in one random color. Then switches them
* to the next random color.
*/
uint16_t mode_random_color(void) {
uint32_t cycleTime = 200 + (255 - SEGMENT.speed)*50;
uint32_t it = strip.now / cycleTime;
uint32_t rem = strip.now % cycleTime;
unsigned fadedur = (cycleTime * SEGMENT.intensity) >> 8;
uint32_t fade = 255;
if (fadedur) {
fade = (rem * 255) / fadedur;
if (fade > 255) fade = 255;
}
if (SEGENV.call == 0) {
SEGENV.aux0 = hw_random8();
SEGENV.step = 2;
}
if (it != SEGENV.step) //new color
{
SEGENV.aux1 = SEGENV.aux0;
SEGENV.aux0 = get_random_wheel_index(SEGENV.aux0); //aux0 will store our random color wheel index
SEGENV.step = it;
}
SEGMENT.fill(color_blend(SEGMENT.color_wheel(SEGENV.aux1), SEGMENT.color_wheel(SEGENV.aux0), uint8_t(fade)));
return FRAMETIME;
}
static const char _data_FX_MODE_RANDOM_COLOR[] PROGMEM = "Random Colors@!,Fade time;;!;01";
/*
* Lights every LED in a random color. Changes all LED at the same time
* to new random colors.
*/
uint16_t mode_dynamic(void) {
if (!SEGENV.allocateData(SEGLEN)) return mode_static(); //allocation failed
if(SEGENV.call == 0) {
//SEGMENT.fill(BLACK);
for (unsigned i = 0; i < SEGLEN; i++) SEGENV.data[i] = hw_random8();
}
uint32_t cycleTime = 50 + (255 - SEGMENT.speed)*15;
uint32_t it = strip.now / cycleTime;
if (it != SEGENV.step && SEGMENT.speed != 0) //new color
{
for (unsigned i = 0; i < SEGLEN; i++) {
if (hw_random8() <= SEGMENT.intensity) SEGENV.data[i] = hw_random8(); // random color index
}
SEGENV.step = it;
}
if (SEGMENT.check1) {
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.blendPixelColor(i, SEGMENT.color_wheel(SEGENV.data[i]), 16);
}
} else {
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_wheel(SEGENV.data[i]));
}
}
return FRAMETIME;
}
static const char _data_FX_MODE_DYNAMIC[] PROGMEM = "Dynamic@!,!,,,,Smooth;;!";
/*
* effect "Dynamic" with smooth color-fading
*/
uint16_t mode_dynamic_smooth(void) {
bool old = SEGMENT.check1;
SEGMENT.check1 = true;
mode_dynamic();
SEGMENT.check1 = old;
return FRAMETIME;
}
static const char _data_FX_MODE_DYNAMIC_SMOOTH[] PROGMEM = "Dynamic Smooth@!,!;;!";
/*
* Does the "standby-breathing" of well known i-Devices.
*/
uint16_t mode_breath(void) {
unsigned var = 0;
unsigned counter = (strip.now * ((SEGMENT.speed >> 3) +10)) & 0xFFFFU;
counter = (counter >> 2) + (counter >> 4); //0-16384 + 0-2048
if (counter < 16384) {
if (counter > 8192) counter = 8192 - (counter - 8192);
var = sin16_t(counter) / 103; //close to parabolic in range 0-8192, max val. 23170
}
uint8_t lum = 30 + var;
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), lum));
}
return FRAMETIME;
}
static const char _data_FX_MODE_BREATH[] PROGMEM = "Breathe@!;!,!;!;01";
/*
* Fades the LEDs between two colors
*/
uint16_t mode_fade(void) {
unsigned counter = (strip.now * ((SEGMENT.speed >> 3) +10));
uint8_t lum = triwave16(counter) >> 8;
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), lum));
}
return FRAMETIME;
}
static const char _data_FX_MODE_FADE[] PROGMEM = "Fade@!;!,!;!;01";
/*
* Scan mode parent function
*/
uint16_t scan(bool dual) {
if (SEGLEN <= 1) return mode_static();
uint32_t cycleTime = 750 + (255 - SEGMENT.speed)*150;
uint32_t perc = strip.now % cycleTime;
int prog = (perc * 65535) / cycleTime;
int size = 1 + ((SEGMENT.intensity * SEGLEN) >> 9);
int ledIndex = (prog * ((SEGLEN *2) - size *2)) >> 16;
if (!SEGMENT.check2) SEGMENT.fill(SEGCOLOR(1));
int led_offset = ledIndex - (SEGLEN - size);
led_offset = abs(led_offset);
if (dual) {
for (int j = led_offset; j < led_offset + size; j++) {
unsigned i2 = SEGLEN -1 -j;
SEGMENT.setPixelColor(i2, SEGMENT.color_from_palette(i2, true, PALETTE_SOLID_WRAP, (SEGCOLOR(2))? 2:0));
}
}
for (int j = led_offset; j < led_offset + size; j++) {
SEGMENT.setPixelColor(j, SEGMENT.color_from_palette(j, true, PALETTE_SOLID_WRAP, 0));
}
return FRAMETIME;
}
/*
* Runs a single pixel back and forth.
*/
uint16_t mode_scan(void) {
return scan(false);
}
static const char _data_FX_MODE_SCAN[] PROGMEM = "Scan@!,# of dots,,,,,Overlay;!,!,!;!";
/*
* Runs two pixel back and forth in opposite directions.
*/
uint16_t mode_dual_scan(void) {
return scan(true);
}
static const char _data_FX_MODE_DUAL_SCAN[] PROGMEM = "Scan Dual@!,# of dots,,,,,Overlay;!,!,!;!";
/*
* Cycles all LEDs at once through a rainbow.
*/
uint16_t mode_rainbow(void) {
unsigned counter = (strip.now * ((SEGMENT.speed >> 2) +2)) & 0xFFFF;
counter = counter >> 8;
if (SEGMENT.intensity < 128){
SEGMENT.fill(color_blend(SEGMENT.color_wheel(counter),WHITE,uint8_t(128-SEGMENT.intensity)));
} else {
SEGMENT.fill(SEGMENT.color_wheel(counter));
}
return FRAMETIME;
}
static const char _data_FX_MODE_RAINBOW[] PROGMEM = "Colorloop@!,Saturation;;!;01";
/*
* Cycles a rainbow over the entire string of LEDs.
*/
uint16_t mode_rainbow_cycle(void) {
unsigned counter = (strip.now * ((SEGMENT.speed >> 2) +2)) & 0xFFFF;
counter = counter >> 8;
for (unsigned i = 0; i < SEGLEN; i++) {
//intensity/29 = 0 (1/16) 1 (1/8) 2 (1/4) 3 (1/2) 4 (1) 5 (2) 6 (4) 7 (8) 8 (16)
uint8_t index = (i * (16 << (SEGMENT.intensity /29)) / SEGLEN) + counter;
SEGMENT.setPixelColor(i, SEGMENT.color_wheel(index));
}
return FRAMETIME;
}
static const char _data_FX_MODE_RAINBOW_CYCLE[] PROGMEM = "Rainbow@!,Size;;!";
/*
* Alternating pixels running function.
*/
static uint16_t running(uint32_t color1, uint32_t color2, bool theatre = false) {
int width = (theatre ? 3 : 1) + (SEGMENT.intensity >> 4); // window
uint32_t cycleTime = 50 + (255 - SEGMENT.speed);
uint32_t it = strip.now / cycleTime;
bool usePalette = color1 == SEGCOLOR(0);
for (unsigned i = 0; i < SEGLEN; i++) {
uint32_t col = color2;
if (usePalette) color1 = SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0);
if (theatre) {
if ((i % width) == SEGENV.aux0) col = color1;
} else {
int pos = (i % (width<<1));
if ((pos < SEGENV.aux0-width) || ((pos >= SEGENV.aux0) && (pos < SEGENV.aux0+width))) col = color1;
}
SEGMENT.setPixelColor(i,col);
}
if (it != SEGENV.step) {
SEGENV.aux0 = (SEGENV.aux0 +1) % (theatre ? width : (width<<1));
SEGENV.step = it;
}
return FRAMETIME;
}
/*
* Theatre-style crawling lights.
* Inspired by the Adafruit examples.
*/
uint16_t mode_theater_chase(void) {
return running(SEGCOLOR(0), SEGCOLOR(1), true);
}
static const char _data_FX_MODE_THEATER_CHASE[] PROGMEM = "Theater@!,Gap size;!,!;!";
/*
* Theatre-style crawling lights with rainbow effect.
* Inspired by the Adafruit examples.
*/
uint16_t mode_theater_chase_rainbow(void) {
return running(SEGMENT.color_wheel(SEGENV.step), SEGCOLOR(1), true);
}
static const char _data_FX_MODE_THEATER_CHASE_RAINBOW[] PROGMEM = "Theater Rainbow@!,Gap size;,!;!";
/*
* Running lights effect with smooth sine transition base.
*/
static uint16_t running_base(bool saw, bool dual=false) {
unsigned x_scale = SEGMENT.intensity >> 2;
uint32_t counter = (strip.now * SEGMENT.speed) >> 9;
for (unsigned i = 0; i < SEGLEN; i++) {
unsigned a = i*x_scale - counter;
if (saw) {
a &= 0xFF;
if (a < 16)
{
a = 192 + a*8;
} else {
a = map(a,16,255,64,192);
}
a = 255 - a;
}
uint8_t s = dual ? sin_gap(a) : sin8_t(a);
uint32_t ca = color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), s);
if (dual) {
unsigned b = (SEGLEN-1-i)*x_scale - counter;
uint8_t t = sin_gap(b);
uint32_t cb = color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 2), t);
ca = color_blend(ca, cb, uint8_t(127));
}
SEGMENT.setPixelColor(i, ca);
}
return FRAMETIME;
}
/*
* Running lights in opposite directions.
* Idea: Make the gap width controllable with a third slider in the future
*/
uint16_t mode_running_dual(void) {
return running_base(false, true);
}
static const char _data_FX_MODE_RUNNING_DUAL[] PROGMEM = "Running Dual@!,Wave width;L,!,R;!";
/*
* Running lights effect with smooth sine transition.
*/
uint16_t mode_running_lights(void) {
return running_base(false);
}
static const char _data_FX_MODE_RUNNING_LIGHTS[] PROGMEM = "Running@!,Wave width;!,!;!";
/*
* Running lights effect with sawtooth transition.
*/
uint16_t mode_saw(void) {
return running_base(true);
}
static const char _data_FX_MODE_SAW[] PROGMEM = "Saw@!,Width;!,!;!";
/*
* Blink several LEDs in random colors on, reset, repeat.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t mode_twinkle(void) {
SEGMENT.fade_out(224);
uint32_t cycleTime = 20 + (255 - SEGMENT.speed)*5;
uint32_t it = strip.now / cycleTime;
if (it != SEGENV.step)
{
unsigned maxOn = map(SEGMENT.intensity, 0, 255, 1, SEGLEN); // make sure at least one LED is on
if (SEGENV.aux0 >= maxOn)
{
SEGENV.aux0 = 0;
SEGENV.aux1 = hw_random(); //new seed for our PRNG
}
SEGENV.aux0++;
SEGENV.step = it;
}
unsigned PRNG16 = SEGENV.aux1;
for (unsigned i = 0; i < SEGENV.aux0; i++)
{
PRNG16 = (uint16_t)(PRNG16 * 2053) + 13849; // next 'random' number
uint32_t p = (uint32_t)SEGLEN * (uint32_t)PRNG16;
unsigned j = p >> 16;
SEGMENT.setPixelColor(j, SEGMENT.color_from_palette(j, true, PALETTE_SOLID_WRAP, 0));
}
return FRAMETIME;
}
static const char _data_FX_MODE_TWINKLE[] PROGMEM = "Twinkle@!,!;!,!;!;;m12=0"; //pixels
/*
* Dissolve function
*/
uint16_t dissolve(uint32_t color) {
unsigned dataSize = sizeof(uint32_t) * SEGLEN;
if (!SEGENV.allocateData(dataSize)) return mode_static(); //allocation failed
uint32_t* pixels = reinterpret_cast<uint32_t*>(SEGENV.data);
if (SEGENV.call == 0) {
for (unsigned i = 0; i < SEGLEN; i++) pixels[i] = SEGCOLOR(1);
SEGENV.aux0 = 1;
}
for (unsigned j = 0; j <= SEGLEN / 15; j++) {
if (hw_random8() <= SEGMENT.intensity) {
for (size_t times = 0; times < 10; times++) { //attempt to spawn a new pixel 10 times
unsigned i = hw_random16(SEGLEN);
if (SEGENV.aux0) { //dissolve to primary/palette
if (pixels[i] == SEGCOLOR(1)) {
pixels[i] = color == SEGCOLOR(0) ? SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0) : color;
break; //only spawn 1 new pixel per frame per 50 LEDs
}
} else { //dissolve to secondary
if (pixels[i] != SEGCOLOR(1)) {
pixels[i] = SEGCOLOR(1);
break;
}
}
}
}
}
// fix for #4401
for (unsigned i = 0; i < SEGLEN; i++) SEGMENT.setPixelColor(i, pixels[i]);
if (SEGENV.step > (255 - SEGMENT.speed) + 15U) {
SEGENV.aux0 = !SEGENV.aux0;
SEGENV.step = 0;
} else {
SEGENV.step++;
}
return FRAMETIME;
}
/*
* Blink several LEDs on and then off
*/
uint16_t mode_dissolve(void) {
return dissolve(SEGMENT.check1 ? SEGMENT.color_wheel(hw_random8()) : SEGCOLOR(0));
}
static const char _data_FX_MODE_DISSOLVE[] PROGMEM = "Dissolve@Repeat speed,Dissolve speed,,,,Random;!,!;!";
/*
* Blink several LEDs on and then off in random colors
*/
uint16_t mode_dissolve_random(void) {
return dissolve(SEGMENT.color_wheel(hw_random8()));
}
static const char _data_FX_MODE_DISSOLVE_RANDOM[] PROGMEM = "Dissolve Rnd@Repeat speed,Dissolve speed;,!;!";
/*
* Blinks one LED at a time.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t mode_sparkle(void) {
if (!SEGMENT.check2) for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
uint32_t cycleTime = 10 + (255 - SEGMENT.speed)*2;
uint32_t it = strip.now / cycleTime;
if (it != SEGENV.step)
{
SEGENV.aux0 = hw_random16(SEGLEN); // aux0 stores the random led index
SEGENV.step = it;
}
SEGMENT.setPixelColor(SEGENV.aux0, SEGCOLOR(0));
return FRAMETIME;
}
static const char _data_FX_MODE_SPARKLE[] PROGMEM = "Sparkle@!,,,,,,Overlay;!,!;!;;m12=0";
/*
* Lights all LEDs in the color. Flashes single col 1 pixels randomly. (List name: Sparkle Dark)
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t mode_flash_sparkle(void) {
if (!SEGMENT.check2) for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
if (strip.now - SEGENV.aux0 > SEGENV.step) {
if(hw_random8((255-SEGMENT.intensity) >> 4) == 0) {
SEGMENT.setPixelColor(hw_random16(SEGLEN), SEGCOLOR(1)); //flash
}
SEGENV.step = strip.now;
SEGENV.aux0 = 255-SEGMENT.speed;
}
return FRAMETIME;
}
static const char _data_FX_MODE_FLASH_SPARKLE[] PROGMEM = "Sparkle Dark@!,!,,,,,Overlay;Bg,Fx;!;;m12=0";
/*
* Like flash sparkle. With more flash.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t mode_hyper_sparkle(void) {
if (!SEGMENT.check2) for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
if (strip.now - SEGENV.aux0 > SEGENV.step) {
if (hw_random8((255-SEGMENT.intensity) >> 4) == 0) {
int len = max(1, (int)SEGLEN/3);
for (int i = 0; i < len; i++) {
SEGMENT.setPixelColor(hw_random16(SEGLEN), SEGCOLOR(1));
}
}
SEGENV.step = strip.now;
SEGENV.aux0 = 255-SEGMENT.speed;
}
return FRAMETIME;
}
static const char _data_FX_MODE_HYPER_SPARKLE[] PROGMEM = "Sparkle+@!,!,,,,,Overlay;Bg,Fx;!;;m12=0";
/*
* Strobe effect with different strobe count and pause, controlled by speed.
*/
uint16_t mode_multi_strobe(void) {
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
SEGENV.aux0 = 50 + 20*(uint16_t)(255-SEGMENT.speed);
unsigned count = 2 * ((SEGMENT.intensity / 10) + 1);
if(SEGENV.aux1 < count) {
if((SEGENV.aux1 & 1) == 0) {
SEGMENT.fill(SEGCOLOR(0));
SEGENV.aux0 = 15;
} else {
SEGENV.aux0 = 50;
}
}
if (strip.now - SEGENV.aux0 > SEGENV.step) {
SEGENV.aux1++;
if (SEGENV.aux1 > count) SEGENV.aux1 = 0;
SEGENV.step = strip.now;
}
return FRAMETIME;
}
static const char _data_FX_MODE_MULTI_STROBE[] PROGMEM = "Strobe Mega@!,!;!,!;!;01";
/*
* Android loading circle
*/
uint16_t mode_android(void) {
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
if (SEGENV.aux1 > (SEGMENT.intensity*SEGLEN)/255)
{
SEGENV.aux0 = 1;
} else
{
if (SEGENV.aux1 < 2) SEGENV.aux0 = 0;
}
unsigned a = SEGENV.step & 0xFFFFU;
if (SEGENV.aux0 == 0)
{
if (SEGENV.call %3 == 1) {a++;}
else {SEGENV.aux1++;}
} else
{
a++;
if (SEGENV.call %3 != 1) SEGENV.aux1--;
}
if (a >= SEGLEN) a = 0;
if (a + SEGENV.aux1 < SEGLEN)
{
for (unsigned i = a; i < a+SEGENV.aux1; i++) {
SEGMENT.setPixelColor(i, SEGCOLOR(0));
}
} else
{
for (unsigned i = a; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGCOLOR(0));
}
for (unsigned i = 0; i < SEGENV.aux1 - (SEGLEN -a); i++) {
SEGMENT.setPixelColor(i, SEGCOLOR(0));
}
}
SEGENV.step = a;
return 3 + ((8 * (uint32_t)(255 - SEGMENT.speed)) / SEGLEN);
}
static const char _data_FX_MODE_ANDROID[] PROGMEM = "Android@!,Width;!,!;!;;m12=1"; //vertical
/*
* color chase function.
* color1 = background color
* color2 and color3 = colors of two adjacent leds
*/
static uint16_t chase(uint32_t color1, uint32_t color2, uint32_t color3, bool do_palette) {
uint16_t counter = strip.now * ((SEGMENT.speed >> 2) + 1);
uint16_t a = (counter * SEGLEN) >> 16;
bool chase_random = (SEGMENT.mode == FX_MODE_CHASE_RANDOM);
if (chase_random) {
if (a < SEGENV.step) //we hit the start again, choose new color for Chase random
{
SEGENV.aux1 = SEGENV.aux0; //store previous random color
SEGENV.aux0 = get_random_wheel_index(SEGENV.aux0);
}
color1 = SEGMENT.color_wheel(SEGENV.aux0);
}
SEGENV.step = a;
// Use intensity setting to vary chase up to 1/2 string length
unsigned size = 1 + ((SEGMENT.intensity * SEGLEN) >> 10);
uint16_t b = a + size; //"trail" of chase, filled with color1
if (b > SEGLEN) b -= SEGLEN;
uint16_t c = b + size;
if (c > SEGLEN) c -= SEGLEN;
//background
if (do_palette)
{
for (unsigned i = 0; i < SEGLEN; i++) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
} else SEGMENT.fill(color1);
//if random, fill old background between a and end
if (chase_random)
{
color1 = SEGMENT.color_wheel(SEGENV.aux1);
for (unsigned i = a; i < SEGLEN; i++)
SEGMENT.setPixelColor(i, color1);
}
//fill between points a and b with color2
if (a < b)
{
for (unsigned i = a; i < b; i++)
SEGMENT.setPixelColor(i, color2);
} else {
for (unsigned i = a; i < SEGLEN; i++) //fill until end
SEGMENT.setPixelColor(i, color2);
for (unsigned i = 0; i < b; i++) //fill from start until b
SEGMENT.setPixelColor(i, color2);
}
//fill between points b and c with color2
if (b < c)
{
for (unsigned i = b; i < c; i++)
SEGMENT.setPixelColor(i, color3);
} else {
for (unsigned i = b; i < SEGLEN; i++) //fill until end
SEGMENT.setPixelColor(i, color3);
for (unsigned i = 0; i < c; i++) //fill from start until c
SEGMENT.setPixelColor(i, color3);
}
return FRAMETIME;
}
/**
* Chase_Race function to allow 3 colored bands to race along the LEDs with black between the colors.
* color1, color2, and color3 = colors of the three leaders in the race
*/
uint16_t chase_race(uint32_t color1, uint32_t color2, uint32_t color3)
{
uint16_t counter = strip.now * ((SEGMENT.speed >> 2) + 1);
uint16_t a = (counter * SEGLEN) >> 16;
// Use intensity setting to vary chase up to 1/2 string length
unsigned size = 1 + ((SEGMENT.intensity * SEGLEN) >> 10);
unsigned gap = 1 + size / 4; // Smaller black band size as a fraction of color size
// Calculate positions for each color band
uint16_t positions[] = {
a, // Start of color1
(a + size) % SEGLEN, // End of color1
(a + size + gap) % SEGLEN, // Start of color2
(a + size * 2 + gap) % SEGLEN, // End of color2
(a + size * 2 + gap * 2) % SEGLEN, // Start of color3
(a + size * 3 + gap * 2) % SEGLEN // End of color3
};
// Define compact lambda for filling LED segments using modulo
auto fillSegment = [](uint16_t start, uint16_t end, uint32_t color)
{
for (unsigned count = 0; count < SEGLEN && count < end - start + (end < start ? SEGLEN : 0); count++)
{
SEGMENT.setPixelColor((start + count) % SEGLEN, color);
}
};
// Set background to black
SEGMENT.fill(0);
// Fill the three color segments
fillSegment(positions[0], positions[1], color1);
fillSegment(positions[2], positions[3], color2);
fillSegment(positions[4], positions[5], color3);
return FRAMETIME;
}
/*
* Bicolor chase, more primary color.
*/
uint16_t mode_chase_color(void) {
return chase(SEGCOLOR(1), (SEGCOLOR(2)) ? SEGCOLOR(2) : SEGCOLOR(0), SEGCOLOR(0), true);
}
static const char _data_FX_MODE_CHASE_COLOR[] PROGMEM = "Chase@!,Width;!,!,!;!";
/*
* Chase Race with 3 color strips
*/
uint16_t mode_chase_race()
{
return chase_race(SEGCOLOR(0), SEGCOLOR(1), SEGCOLOR(2));
}
static const char _data_FX_MODE_CHASE_RACE[] PROGMEM = "Chase Race@!,Width;!,!,!;!";
/*
* Primary running followed by random color.
*/
uint16_t mode_chase_random(void) {
return chase(SEGCOLOR(1), (SEGCOLOR(2)) ? SEGCOLOR(2) : SEGCOLOR(0), SEGCOLOR(0), false);
}
static const char _data_FX_MODE_CHASE_RANDOM[] PROGMEM = "Chase Random@!,Width;!,,!;!";
/*
* Primary, secondary running on rainbow.
*/