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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 "FX.h"
#include "wled.h"
//WLEDSR Custom Effects
#include "src/dependencies/arti/arti_wled.h"
#define IBN 5100
#define PALETTE_SOLID_WRAP (paletteBlend == 1 || paletteBlend == 3)
/*
* No blinking. Just plain old static light.
*/
uint16_t WS2812FX::mode_static(void) {
fill(SEGCOLOR(0));
return (SEGMENT.getOption(SEG_OPTION_TRANSITIONAL)) ? FRAMETIME : 350; //update faster if in transition
}
/*
* Blink/strobe function
* Alternate between color1 and color2
* if(strobe == true) then create a strobe effect
*/
uint16_t WS2812FX::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 = now / cycleTime;
uint32_t rem = 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(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
} else fill(color);
return FRAMETIME;
}
/*
* Normal blinking. 50% on/off time.
*/
uint16_t WS2812FX::mode_blink(void) {
return blink(SEGCOLOR(0), SEGCOLOR(1), false, true);
}
/*
* Classic Blink effect. Cycling through the rainbow.
*/
uint16_t WS2812FX::mode_blink_rainbow(void) {
return blink(color_wheel(SEGENV.call & 0xFF), SEGCOLOR(1), false, false);
}
/*
* Classic Strobe effect.
*/
uint16_t WS2812FX::mode_strobe(void) {
return blink(SEGCOLOR(0), SEGCOLOR(1), true, true);
}
/*
* Classic Strobe effect. Cycling through the rainbow.
*/
uint16_t WS2812FX::mode_strobe_rainbow(void) {
return blink(color_wheel(SEGENV.call & 0xFF), SEGCOLOR(1), true, false);
}
/*
* 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 WS2812FX::color_wipe(bool rev, bool useRandomColors) {
uint32_t cycleTime = 750 + (255 - SEGMENT.speed)*150;
uint32_t perc = now % cycleTime;
uint16_t 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;
}
}
uint16_t ledIndex = (prog * SEGLEN) >> 15;
uint16_t rem = 0;
rem = (prog * SEGLEN) * 2; //mod 0xFFFF
rem /= (SEGMENT.intensity +1);
if (rem > 255) rem = 255;
uint32_t col1 = useRandomColors? color_wheel(SEGENV.aux1) : SEGCOLOR(1);
for (uint16_t i = 0; i < SEGLEN; i++)
{
uint16_t index = (rev && back)? SEGLEN -1 -i : i;
uint32_t col0 = useRandomColors? color_wheel(SEGENV.aux0) : color_from_palette(index, true, PALETTE_SOLID_WRAP, 0);
if (i < ledIndex)
{
setPixelColor(index, back? col1 : col0);
} else
{
setPixelColor(index, back? col0 : col1);
if (i == ledIndex) setPixelColor(index, color_blend(back? col0 : col1, back? col1 : col0, rem));
}
}
return FRAMETIME;
}
/*
* Lights all LEDs one after another.
*/
uint16_t WS2812FX::mode_color_wipe(void) {
return color_wipe(false, false);
}
/*
* Lights all LEDs one after another. Turns off opposite
*/
uint16_t WS2812FX::mode_color_sweep(void) {
return color_wipe(true, false);
}
/*
* Turns all LEDs after each other to a random color.
* Then starts over with another color.
*/
uint16_t WS2812FX::mode_color_wipe_random(void) {
return color_wipe(false, true);
}
/*
* Random color introduced alternating from start and end of strip.
*/
uint16_t WS2812FX::mode_color_sweep_random(void) {
return color_wipe(true, true);
}
/*
* Lights all LEDs in one random color up. Then switches them
* to the next random color.
*/
uint16_t WS2812FX::mode_random_color(void) {
uint32_t cycleTime = 200 + (255 - SEGMENT.speed)*50;
uint32_t it = now / cycleTime;
uint32_t rem = now % cycleTime;
uint16_t 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;
}
fill(color_blend(color_wheel(SEGENV.aux1), color_wheel(SEGENV.aux0), fade));
return FRAMETIME;
}
/*
* Lights every LED in a random color. Changes all LED at the same time
* to new random colors.
*/
uint16_t WS2812FX::dynamic(boolean smooth=false) {
if (!SEGENV.allocateData(SEGLEN)) return mode_static(); //allocation failed
if(SEGENV.call == 0) {
for (uint16_t i = 0; i < SEGLEN; i++) SEGENV.data[i] = random8();
}
uint32_t cycleTime = 50 + (255 - SEGMENT.speed)*15;
uint32_t it = now / cycleTime;
if (it != SEGENV.step && SEGMENT.speed != 0) //new color
{
for (uint16_t i = 0; i < SEGLEN; i++) {
if (random8() <= SEGMENT.intensity) SEGENV.data[i] = random8();
}
SEGENV.step = it;
}
if (smooth) {
for (uint16_t i = 0; i < SEGLEN; i++) {
blendPixelColor(i, color_wheel(SEGENV.data[i]),16);
}
} else {
for (uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_wheel(SEGENV.data[i]));
}
}
return FRAMETIME;
}
/*
* Original effect "Dynamic"
*/
uint16_t WS2812FX::mode_dynamic(void) {
return dynamic(false);
}
/*
* effect "Dynamic" with smoth color-fading
*/
uint16_t WS2812FX::mode_dynamic_smooth(void) {
return dynamic(true);
}
/*
* Does the "standby-breathing" of well known i-Devices.
*/
uint16_t WS2812FX::mode_breath(void) {
uint16_t var = 0;
uint16_t counter = (now * ((SEGMENT.speed >> 3) +10));
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
}
uint8_t lum = 30 + var;
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_blend(SEGCOLOR(1), color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), lum));
}
return FRAMETIME;
}
/*
* Fades the LEDs between two colors
*/
uint16_t WS2812FX::mode_fade(void) {
uint16_t counter = (now * ((SEGMENT.speed >> 3) +10));
uint8_t lum = triwave16(counter) >> 8;
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_blend(SEGCOLOR(1), color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), lum));
}
return FRAMETIME;
}
/*
* Scan mode parent function
*/
uint16_t WS2812FX::scan(bool dual)
{
uint32_t cycleTime = 750 + (255 - SEGMENT.speed)*150;
uint32_t perc = now % cycleTime;
uint16_t prog = (perc * 65535) / cycleTime;
uint16_t size = 1 + ((SEGMENT.intensity * SEGLEN) >> 9);
uint16_t ledIndex = (prog * ((SEGLEN *2) - size *2)) >> 16;
fill(SEGCOLOR(1));
int led_offset = ledIndex - (SEGLEN - size);
led_offset = abs(led_offset);
if (dual) {
for (uint16_t j = led_offset; j < led_offset + size; j++) {
uint16_t i2 = SEGLEN -1 -j;
setPixelColor(i2, color_from_palette(i2, true, PALETTE_SOLID_WRAP, (SEGCOLOR(2))? 2:0));
}
}
for (uint16_t j = led_offset; j < led_offset + size; j++) {
setPixelColor(j, color_from_palette(j, true, PALETTE_SOLID_WRAP, 0));
}
return FRAMETIME;
}
/*
* Runs a single pixel back and forth.
*/
uint16_t WS2812FX::mode_scan(void) {
return scan(false);
}
/*
* Runs two pixel back and forth in opposite directions.
*/
uint16_t WS2812FX::mode_dual_scan(void) {
return scan(true);
}
/*
* Cycles all LEDs at once through a rainbow.
*/
uint16_t WS2812FX::mode_rainbow(void) {
uint16_t counter = (now * ((SEGMENT.speed >> 2) +2)) & 0xFFFF;
counter = counter >> 8;
if (SEGMENT.intensity < 128){
fill(color_blend(color_wheel(counter),WHITE,128-SEGMENT.intensity));
} else {
fill(color_wheel(counter));
}
return FRAMETIME;
}
/*
* Cycles a rainbow over the entire string of LEDs.
*/
uint16_t WS2812FX::mode_rainbow_cycle(void) {
uint16_t counter = (now * ((SEGMENT.speed >> 2) +2)) & 0xFFFF;
counter = counter >> 8;
for(uint16_t 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;
setPixelColor(i, color_wheel(index));
}
return FRAMETIME;
}
/*
* Theatre-style crawling lights.
* Inspired by the Adafruit examples.
*/
uint16_t WS2812FX::mode_theater_chase(void) {
return running(SEGCOLOR(0), SEGCOLOR(1), true);
}
/*
* Theatre-style crawling lights with rainbow effect.
* Inspired by the Adafruit examples.
*/
uint16_t WS2812FX::mode_theater_chase_rainbow(void) {
return running(color_wheel(SEGENV.step), SEGCOLOR(1), true);
}
/*
* Running lights effect with smooth sine transition base.
*/
uint16_t WS2812FX::running_base(bool saw, bool dual=false) {
uint8_t x_scale = SEGMENT.intensity >> 2;
uint32_t counter = (now * SEGMENT.speed) >> 9;
for(uint16_t i = 0; i < SEGLEN; i++) {
uint16_t 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), color_from_palette(i, true, PALETTE_SOLID_WRAP, 0), s);
if (dual) {
uint16_t b = (SEGLEN-1-i)*x_scale - counter;
uint8_t t = sin_gap(b);
uint32_t cb = color_blend(SEGCOLOR(1), color_from_palette(i, true, PALETTE_SOLID_WRAP, 2), t);
ca = color_blend(ca, cb, 127);
}
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 WS2812FX::mode_running_dual(void) {
return running_base(false, true);
}
/*
* Running lights effect with smooth sine transition.
*/
uint16_t WS2812FX::mode_running_lights(void) {
return running_base(false);
}
/*
* Running lights effect with sawtooth transition.
*/
uint16_t WS2812FX::mode_saw(void) {
return running_base(true);
}
/*
* Blink several LEDs in random colors on, reset, repeat.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t WS2812FX::mode_twinkle(void) {
fill(SEGCOLOR(1));
uint32_t cycleTime = 20 + (255 - SEGMENT.speed)*5;
uint32_t it = now / cycleTime;
if (it != SEGENV.step)
{
uint16_t 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;
}
uint16_t PRNG16 = SEGENV.aux1;
for (uint16_t i = 0; i < SEGENV.aux0; i++)
{
PRNG16 = (uint16_t)(PRNG16 * 2053) + 13849; // next 'random' number
uint32_t p = (uint32_t)SEGLEN * (uint32_t)PRNG16;
uint16_t j = p >> 16;
// setPixelColor(j, color_from_palette(j, true, PALETTE_SOLID_WRAP, 0));
setPixelColor(j, color_blend(SEGCOLOR(1), color_from_palette(j, true, PALETTE_SOLID_WRAP, 0), 255)); // This supports RGBW.
}
return FRAMETIME;
}
/*
* Dissolve function
*/
uint16_t WS2812FX::dissolve(uint32_t color) {
bool wa = (SEGCOLOR(1) != 0 && _brightness < 255); //workaround, can't compare getPixel to color if not full brightness
for (uint16_t j = 0; j <= SEGLEN / 15; j++)
{
if (random8() <= SEGMENT.intensity) {
for (uint8_t times = 0; times < 10; times++) //attempt to spawn a new pixel 5 times
{
uint16_t i = random16(SEGLEN);
if (SEGENV.aux0) { //dissolve to primary/palette
if (getPixelColor(i) == SEGCOLOR(1) || wa) {
if (color == SEGCOLOR(0))
{
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
} else { setPixelColor(i, color); }
break; //only spawn 1 new pixel per frame per 50 LEDs
}
} else { //dissolve to secondary
if (getPixelColor(i) != SEGCOLOR(1)) { setPixelColor(i, SEGCOLOR(1)); break; }
}
}
}
}
if (SEGENV.call > (255 - SEGMENT.speed) + 15U)
{
SEGENV.aux0 = !SEGENV.aux0;
SEGENV.call = 0;
}
return FRAMETIME;
}
/*
* Blink several LEDs on and then off
*/
uint16_t WS2812FX::mode_dissolve(void) {
return dissolve(SEGCOLOR(0));
}
/*
* Blink several LEDs on and then off in random colors
*/
uint16_t WS2812FX::mode_dissolve_random(void) {
return dissolve(color_wheel(random8()));
}
/*
* Blinks one LED at a time.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t WS2812FX::mode_sparkle(void) {
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
uint32_t cycleTime = 10 + (255 - SEGMENT.speed)*2;
uint32_t it = now / cycleTime;
if (it != SEGENV.step)
{
SEGENV.aux0 = random16(SEGLEN); // aux0 stores the random led index
SEGENV.step = it;
}
setPixelColor(SEGENV.aux0, SEGCOLOR(0));
return FRAMETIME;
}
/*
* 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 WS2812FX::mode_flash_sparkle(void) {
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
if (now - SEGENV.aux0 > SEGENV.step) {
if(random8((255-SEGMENT.intensity) >> 4) == 0) {
setPixelColor(random16(SEGLEN), SEGCOLOR(1)); //flash
}
SEGENV.step = now;
SEGENV.aux0 = 255-SEGMENT.speed;
}
return FRAMETIME;
}
/*
* Like flash sparkle. With more flash.
* Inspired by www.tweaking4all.com/hardware/arduino/adruino-led-strip-effects/
*/
uint16_t WS2812FX::mode_hyper_sparkle(void) {
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
if (now - SEGENV.aux0 > SEGENV.step) {
if(random8((255-SEGMENT.intensity) >> 4) == 0) {
for(uint16_t i = 0; i < MAX(1, SEGLEN/3); i++) {
setPixelColor(random16(SEGLEN), SEGCOLOR(1));
}
}
SEGENV.step = now;
SEGENV.aux0 = 255-SEGMENT.speed;
}
return FRAMETIME;
}
/*
* Strobe effect with different strobe count and pause, controlled by speed.
*/
uint16_t WS2812FX::mode_multi_strobe(void) {
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
SEGENV.aux0 = 50 + 20*(uint16_t)(255-SEGMENT.speed);
uint16_t count = 2 * ((SEGMENT.intensity / 10) + 1);
if(SEGENV.aux1 < count) {
if((SEGENV.aux1 & 1) == 0) {
fill(SEGCOLOR(0));
SEGENV.aux0 = 15;
} else {
SEGENV.aux0 = 50;
}
}
if (now - SEGENV.aux0 > SEGENV.step) {
SEGENV.aux1++;
if (SEGENV.aux1 > count) SEGENV.aux1 = 0;
SEGENV.step = now;
}
return FRAMETIME;
}
/*
* Android loading circle
*/
uint16_t WS2812FX::mode_android(void) {
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
if (SEGENV.aux1 > ((float)SEGMENT.intensity/255.0)*(float)SEGLEN)
{
SEGENV.aux0 = 1;
} else
{
if (SEGENV.aux1 < 2) SEGENV.aux0 = 0;
}
uint16_t a = SEGENV.step;
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(int i = a; i < a+SEGENV.aux1; i++) {
setPixelColor(i, SEGCOLOR(0));
}
} else
{
for(int i = a; i < SEGLEN; i++) {
setPixelColor(i, SEGCOLOR(0));
}
for(int i = 0; i < SEGENV.aux1 - (SEGLEN -a); i++) {
setPixelColor(i, SEGCOLOR(0));
}
}
SEGENV.step = a;
return 3 + ((8 * (uint32_t)(255 - SEGMENT.speed)) / SEGLEN);
}
/*
* color chase function.
* color1 = background color
* color2 and color3 = colors of two adjacent leds
*/
uint16_t WS2812FX::chase(uint32_t color1, uint32_t color2, uint32_t color3, bool do_palette) {
uint16_t counter = 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 = color_wheel(SEGENV.aux0);
}
SEGENV.step = a;
// Use intensity setting to vary chase up to 1/2 string length
uint8_t 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(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
}
} else fill(color1);
//if random, fill old background between a and end
if (chase_random)
{
color1 = color_wheel(SEGENV.aux1);
for (uint16_t i = a; i < SEGLEN; i++)
setPixelColor(i, color1);
}
//fill between points a and b with color2
if (a < b)
{
for (uint16_t i = a; i < b; i++)
setPixelColor(i, color2);
} else {
for (uint16_t i = a; i < SEGLEN; i++) //fill until end
setPixelColor(i, color2);
for (uint16_t i = 0; i < b; i++) //fill from start until b
setPixelColor(i, color2);
}
//fill between points b and c with color2
if (b < c)
{
for (uint16_t i = b; i < c; i++)
setPixelColor(i, color3);
} else {
for (uint16_t i = b; i < SEGLEN; i++) //fill until end
setPixelColor(i, color3);
for (uint16_t i = 0; i < c; i++) //fill from start until c
setPixelColor(i, color3);
}
return FRAMETIME;
}
/*
* Bicolor chase, more primary color.
*/
uint16_t WS2812FX::mode_chase_color(void) {
return chase(SEGCOLOR(1), (SEGCOLOR(2)) ? SEGCOLOR(2) : SEGCOLOR(0), SEGCOLOR(0), true);
}
/*
* Primary running followed by random color.
*/
uint16_t WS2812FX::mode_chase_random(void) {
return chase(SEGCOLOR(1), (SEGCOLOR(2)) ? SEGCOLOR(2) : SEGCOLOR(0), SEGCOLOR(0), false);
}
/*
* Primary, secondary running on rainbow.
*/
uint16_t WS2812FX::mode_chase_rainbow(void) {
uint8_t color_sep = 256 / SEGLEN;
if (color_sep == 0) color_sep = 1; // correction for segments longer than 256 LEDs
uint8_t color_index = SEGENV.call & 0xFF;
uint32_t color = color_wheel(((SEGENV.step * color_sep) + color_index) & 0xFF);
return chase(color, SEGCOLOR(0), SEGCOLOR(1), false);
}
/*
* Primary running on rainbow.
*/
uint16_t WS2812FX::mode_chase_rainbow_white(void) {
uint16_t n = SEGENV.step;
uint16_t m = (SEGENV.step + 1) % SEGLEN;
uint32_t color2 = color_wheel(((n * 256 / SEGLEN) + (SEGENV.call & 0xFF)) & 0xFF);
uint32_t color3 = color_wheel(((m * 256 / SEGLEN) + (SEGENV.call & 0xFF)) & 0xFF);
return chase(SEGCOLOR(0), color2, color3, false);
}
/*
* Red - Amber - Green - Blue lights running
*/
uint16_t WS2812FX::mode_colorful(void) {
uint8_t 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) {
numColors = 3;
for (uint8_t i = 0; i < 3; i++) cols[i] = SEGCOLOR(i);
} else {
uint16_t fac = 80;
if (SEGMENT.palette == 52) {numColors = 5; fac = 61;} //C9 2 has 5 colors
for (uint8_t i = 0; i < numColors; i++) {
cols[i] = color_from_palette(i*fac, false, true, 255);
}
}
} else if (SEGMENT.intensity < 80) //pastel (easter) colors
{
cols[0] = 0x00FF8040;
cols[1] = 0x00E5D241;
cols[2] = 0x0077FF77;
cols[3] = 0x0077F0F0;
}
for (uint8_t i = numColors; i < numColors*2 -1; i++) cols[i] = cols[i-numColors];
uint32_t cycleTime = 50 + (8 * (uint32_t)(255 - SEGMENT.speed));
uint32_t it = now / cycleTime;
if (it != SEGENV.step)
{
if (SEGMENT.speed > 0) SEGENV.aux0++;
if (SEGENV.aux0 >= numColors) SEGENV.aux0 = 0;
SEGENV.step = it;
}
for (uint16_t i = 0; i < SEGLEN; i+= numColors)
{
for (uint16_t j = 0; j < numColors; j++) setPixelColor(i + j, cols[SEGENV.aux0 + j]);
}
return FRAMETIME;
}
/*
* Emulates a traffic light.
*/
uint16_t WS2812FX::mode_traffic_light(void) {
for(uint16_t i=0; i < SEGLEN; i++)
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 1));
uint32_t mdelay = 500;
for (int i = 0; i < SEGLEN-2 ; i+=3)
{
switch (SEGENV.aux0)
{
case 0: setPixelColor(i, 0x00FF0000); mdelay = 150 + (100 * (uint32_t)(255 - SEGMENT.speed));break;
case 1: setPixelColor(i, 0x00FF0000); mdelay = 150 + (20 * (uint32_t)(255 - SEGMENT.speed)); setPixelColor(i+1, 0x00EECC00); break;
case 2: setPixelColor(i+2, 0x0000FF00); mdelay = 150 + (100 * (uint32_t)(255 - SEGMENT.speed));break;
case 3: setPixelColor(i+1, 0x00EECC00); mdelay = 150 + (20 * (uint32_t)(255 - SEGMENT.speed));break;
}
}
if (now - SEGENV.step > mdelay)
{
SEGENV.aux0++;
if (SEGENV.aux0 == 1 && SEGMENT.intensity > 140) SEGENV.aux0 = 2; //skip Red + Amber, to get US-style sequence
if (SEGENV.aux0 > 3) SEGENV.aux0 = 0;
SEGENV.step = now;
}
return FRAMETIME;
}
/*
* Sec flashes running on prim.
*/
#define FLASH_COUNT 4
uint16_t WS2812FX::mode_chase_flash(void) {
uint8_t flash_step = SEGENV.call % ((FLASH_COUNT * 2) + 1);
for(uint16_t i = 0; i < SEGLEN; i++) {
setPixelColor(i, color_from_palette(i, true, PALETTE_SOLID_WRAP, 0));
}
uint16_t delay = 10 + ((30 * (uint16_t)(255 - SEGMENT.speed)) / SEGLEN);
if(flash_step < (FLASH_COUNT * 2)) {
if(flash_step % 2 == 0) {
uint16_t n = SEGENV.step;
uint16_t m = (SEGENV.step + 1) % SEGLEN;
setPixelColor( n, SEGCOLOR(1));
setPixelColor( m, SEGCOLOR(1));
delay = 20;
} else {
delay = 30;
}
} else {
SEGENV.step = (SEGENV.step + 1) % SEGLEN;
}
return delay;
}
/*
* Prim flashes running, followed by random color.
*/
uint16_t WS2812FX::mode_chase_flash_random(void) {
uint8_t flash_step = SEGENV.call % ((FLASH_COUNT * 2) + 1);
for(uint16_t i = 0; i < SEGENV.step; i++) {
setPixelColor(i, color_wheel(SEGENV.aux0));
}
uint16_t delay = 1 + ((10 * (uint16_t)(255 - SEGMENT.speed)) / SEGLEN);
if(flash_step < (FLASH_COUNT * 2)) {
uint16_t n = SEGENV.step;
uint16_t m = (SEGENV.step + 1) % SEGLEN;
if(flash_step % 2 == 0) {
setPixelColor( n, SEGCOLOR(0));
setPixelColor( m, SEGCOLOR(0));
delay = 20;
} else {
setPixelColor( n, color_wheel(SEGENV.aux0));
setPixelColor( m, SEGCOLOR(1));
delay = 30;
}
} else {
SEGENV.step = (SEGENV.step + 1) % SEGLEN;
if (SEGENV.step == 0) {
SEGENV.aux0 = get_random_wheel_index(SEGENV.aux0);
}
}
return delay;
}
/*
* Alternating pixels running function.
*/
uint16_t WS2812FX::running(uint32_t color1, uint32_t color2, bool theatre) {
uint8_t width = (theatre ? 3 : 1) + (SEGMENT.intensity >> 4); // window
uint32_t cycleTime = 50 + (255 - SEGMENT.speed);
uint32_t it = now / cycleTime;
bool usePalette = color1 == SEGCOLOR(0);
for(uint16_t i = 0; i < SEGLEN; i++) {
uint32_t col = color2;
if (usePalette) color1 = color_from_palette(i, true, PALETTE_SOLID_WRAP, 0);
if (theatre) {
if ((i % width) == SEGENV.aux0) col = color1;
} else {
int8_t pos = (i % (width<<1));
if ((pos < SEGENV.aux0-width) || ((pos >= SEGENV.aux0) && (pos < SEGENV.aux0+width))) col = color1;
}
setPixelColor(i,col);
}
if (it != SEGENV.step) {
SEGENV.aux0 = (SEGENV.aux0 +1) % (theatre ? width : (width<<1));
SEGENV.step = it;
}
return FRAMETIME;
}
/*
* Alternating color/sec pixels running.
*/
uint16_t WS2812FX::mode_running_color(void) {
return running(SEGCOLOR(0), SEGCOLOR(1));
}
/*
* Alternating red/white pixels running.
*/
uint16_t WS2812FX::mode_candy_cane(void) {
return running(RED, WHITE);
}
/*
* Alternating orange/purple pixels running.
*/
uint16_t WS2812FX::mode_halloween(void) {
return running(PURPLE, ORANGE);
}