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Copy pathFX.cpp
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FX.cpp
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/*
WS2812FX.cpp contains all effect methods
Harm Aldick - 2016
www.aldick.org
LICENSE
The MIT License (MIT)
Copyright (c) 2016 Harm Aldick
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
Modified heavily for WLED
*/
#include "wled.h"
#include "FX.h"
#include "fcn_declare.h"
#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))
// effect utility functions
uint8_t sin_gap(uint16_t in) {
if (in & 0x100) return 0;
return sin8(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 (!usermods.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";
/*
* Copy selected segment and perform (optional) color adjustments
*/
// TODO: what is the correct place to put getRenderedPixelXY()?
static uint32_t getRenderedPixelXY(Segment& seg, unsigned x, unsigned y = 0) {
// We read pixels back following mirror/reverse/transpose but ignoring grouping
// For every group-length pixels, add spacing
x *= seg.groupLength(); // expand to physical pixels
y *= seg.groupLength(); // expand to physical pixels
if (x >= seg.width() || y >= seg.height()) return 0; // fill out of range pixels with black
#warning this check can be removed once 2D offset is fixed
uint32_t offset = seg.is2D() ? 0 : seg.offset; // dirty fix, offset in 2D segments should be zero but is not TODO: fix the offset
return strip.getPixelColorXY(seg.start + offset + x, seg.startY + y);
}
uint16_t mode_copy_segment(void) {
uint32_t sourceid = SEGMENT.custom3;
if (sourceid >= strip._segments.size() || sourceid == strip.getCurrSegmentId()) { // invalid source
SEGMENT.fadeToBlackBy(5); // fade out, clears pixels and allows overlapping segments
return FRAMETIME;
}
if (strip._segments[sourceid].isActive()) {
uint32_t sourcecolor;
if(!strip._segments[sourceid].is2D()) { // 1D source, source can be expanded into 2D
uint32_t cl; // length to copy
for (unsigned i = 0; i < SEGMENT.virtualLength(); i++) {
sourcecolor = getRenderedPixelXY(strip._segments[sourceid], i);
SEGMENT.setPixelColor(i, adjust_color(sourcecolor, SEGMENT.intensity, SEGMENT.custom1, SEGMENT.custom2));
}
} else { // 2D source, note: 2D to 1D just copies the first row (or first column if 'Switch axis' is checked in FX)
for (unsigned y = 0; y < SEGMENT.virtualHeight(); y++) {
for (unsigned x = 0; x < SEGMENT.virtualWidth(); x++) {
if(SEGMENT.check2) sourcecolor = getRenderedPixelXY(strip._segments[sourceid], y, x); // flip axis (for 2D -> 1D, in 2D Segments this does the same as 'Transpose')
else sourcecolor = getRenderedPixelXY(strip._segments[sourceid], x, y);
SEGMENT.setPixelColorXY(x, y, adjust_color(sourcecolor, SEGMENT.intensity, SEGMENT.custom1, SEGMENT.custom2));
}
}
}
}
return FRAMETIME;
}
static const char _data_FX_MODE_COPY[] PROGMEM = "Copy Segment@,Color shift,Lighten,Brighten,ID,,Switch axis(2D);;;1;ix=0,c1=0,c2=0,c3=0,o2=0";
/*
* 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 (int 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 = 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, 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 = 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), 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 (int i = 0; i < SEGLEN; i++) SEGENV.data[i] = 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 (int i = 0; i < SEGLEN; i++) {
if (random8() <= SEGMENT.intensity) SEGENV.data[i] = random8(); // random color index
}
SEGENV.step = it;
}
if (SEGMENT.check1) {
for (int i = 0; i < SEGLEN; i++) {
SEGMENT.blendPixelColor(i, SEGMENT.color_wheel(SEGENV.data[i]), 16);
}
} else {
for (int 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(counter) / 103; //close to parabolic in range 0-8192, max val. 23170
}
unsigned lum = 30 + var;
for (int 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));
unsigned lum = triwave16(counter) >> 8;
for (int 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,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 (int 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 (int 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 (int 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(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, 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 = random16(); //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 = (SEGLEN+7) >> 3; //1 bit per LED
if (!SEGENV.allocateData(dataSize)) return mode_static(); //allocation failed
if (SEGENV.call == 0) {
memset(SEGMENT.data, 0xFF, dataSize); // start by fading pixels up
SEGENV.aux0 = 1;
}
for (int j = 0; j <= SEGLEN / 15; j++) {
if (random8() <= SEGMENT.intensity) {
for (size_t times = 0; times < 10; times++) { //attempt to spawn a new pixel 10 times
unsigned i = random16(SEGLEN);
unsigned index = i >> 3;
unsigned bitNum = i & 0x07;
bool fadeUp = bitRead(SEGENV.data[index], bitNum);
if (SEGENV.aux0) { //dissolve to primary/palette
if (fadeUp) {
if (color == SEGCOLOR(0)) {
SEGMENT.setPixelColor(i, SEGMENT.color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
} else {
SEGMENT.setPixelColor(i, color);
}
bitWrite(SEGENV.data[index], bitNum, false);
break; //only spawn 1 new pixel per frame per 50 LEDs
}
} else { //dissolve to secondary
if (!fadeUp) {
SEGMENT.setPixelColor(i, SEGCOLOR(1)); break;
bitWrite(SEGENV.data[index], bitNum, true);
}
}
}
}
}
if (SEGENV.step > (255 - SEGMENT.speed) + 15U) {
SEGENV.aux0 = !SEGENV.aux0;
SEGENV.step = 0;
memset(SEGMENT.data, (SEGENV.aux0 ? 0xFF : 0), dataSize); // switch fading
} else {
SEGENV.step++;
}
return FRAMETIME;
}
/*
* Blink several LEDs on and then off
*/
uint16_t mode_dissolve(void) {
return dissolve(SEGMENT.check1 ? SEGMENT.color_wheel(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(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(int 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 = 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 (int 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(random8((255-SEGMENT.intensity) >> 4) == 0) {
SEGMENT.setPixelColor(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 (int 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 (random8((255-SEGMENT.intensity) >> 4) == 0) {
for (int i = 0; i < max(1, SEGLEN/3); i++) {
SEGMENT.setPixelColor(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 (int 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 (int 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;
}
/*
* 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;!,!,!;!";
/*
* 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.
*/
uint16_t mode_chase_rainbow(void) {
unsigned color_sep = 256 / SEGLEN;
if (color_sep == 0) color_sep = 1; // correction for segments longer than 256 LEDs
unsigned color_index = SEGENV.call & 0xFF;
uint32_t color = SEGMENT.color_wheel(((SEGENV.step * color_sep) + color_index) & 0xFF);
return chase(color, SEGCOLOR(0), SEGCOLOR(1), false);
}
static const char _data_FX_MODE_CHASE_RAINBOW[] PROGMEM = "Chase Rainbow@!,Width;!,!;!";
/*
* Primary running on rainbow.
*/
uint16_t mode_chase_rainbow_white(void) {
uint16_t n = SEGENV.step;
uint16_t m = (SEGENV.step + 1) % SEGLEN;
uint32_t color2 = SEGMENT.color_wheel(((n * 256 / SEGLEN) + (SEGENV.call & 0xFF)) & 0xFF);
uint32_t color3 = SEGMENT.color_wheel(((m * 256 / SEGLEN) + (SEGENV.call & 0xFF)) & 0xFF);
return chase(SEGCOLOR(0), color2, color3, false);
}
static const char _data_FX_MODE_CHASE_RAINBOW_WHITE[] PROGMEM = "Rainbow Runner@!,Size;Bg;!";
/*
* Red - Amber - Green - Blue lights running
*/
uint16_t mode_colorful(void) {
unsigned numColors = 4; //3, 4, or 5
uint32_t cols[9]{0x00FF0000,0x00EEBB00,0x0000EE00,0x000077CC};
if (SEGMENT.intensity > 160 || SEGMENT.palette) { //palette or color
if (!SEGMENT.palette) {