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Add two new Fairy FX modes

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This commit is contained in:
cschwinne 2021-12-07 11:03:41 +01:00
parent 66bad2b6f8
commit 8643263227
5 changed files with 162 additions and 30 deletions
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6
CHANGELOG.md
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@ -2,6 +2,12 @@
### Builds after release 0.12.0
#### Build 2112070
- Added new effect "Fairy", replacing "Police All"
- Added new effect "Fairytwinkle", replacing "Two Areas"
- Static single JSON buffer (performance and stability improvement) (PR #2336)
#### Build 2112030
- Fixed ESP32 crash on Colortwinkles brightness change

157
wled00/FX.cpp
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@ -1216,12 +1216,13 @@ uint16_t WS2812FX::mode_loading(void) {
//American Police Light with all LEDs Red and Blue
uint16_t WS2812FX::police_base(uint32_t color1, uint32_t color2, uint16_t width)
uint16_t WS2812FX::police_base(uint32_t color1, uint32_t color2)
{
uint16_t delay = 1 + (FRAMETIME<<3) / SEGLEN; // longer segments should change faster
uint32_t it = now / map(SEGMENT.speed, 0, 255, delay<<4, delay);
uint16_t offset = it % SEGLEN;
uint16_t width = ((SEGLEN*(SEGMENT.intensity+1))>>9); //max width is half the strip
if (!width) width = 1;
for (uint16_t i = 0; i < width; i++) {
uint16_t indexR = (offset + i) % SEGLEN;
@ -1233,26 +1234,11 @@ uint16_t WS2812FX::police_base(uint32_t color1, uint32_t color2, uint16_t width)
}
//American Police Light with all LEDs Red and Blue
uint16_t WS2812FX::mode_police_all()
{
return police_base(RED, BLUE, (SEGLEN>>1));
}
//Police Lights Red and Blue
uint16_t WS2812FX::mode_police()
{
fill(SEGCOLOR(1));
return police_base(RED, BLUE, ((SEGLEN*(SEGMENT.intensity+1))>>9)); // max width is half the strip
}
//Police All with custom colors
uint16_t WS2812FX::mode_two_areas()
{
fill(SEGCOLOR(2));
return police_base(SEGCOLOR(0), SEGCOLOR(1), ((SEGLEN*(SEGMENT.intensity+1))>>9)); // max width is half the strip
return police_base(RED, BLUE);
}
@ -1262,7 +1248,142 @@ uint16_t WS2812FX::mode_two_dots()
fill(SEGCOLOR(2));
uint32_t color2 = (SEGCOLOR(1) == SEGCOLOR(2)) ? SEGCOLOR(0) : SEGCOLOR(1);
return police_base(SEGCOLOR(0), color2, ((SEGLEN*(SEGMENT.intensity+1))>>9)); // max width is half the strip
return police_base(SEGCOLOR(0), color2);
}
/*
* Fairy, inspired by https://www.youtube.com/watch?v=zeOw5MZWq24
*/
//4 bytes
typedef struct Flasher {
uint16_t stateStart;
uint8_t stateDur;
bool stateOn;
} flasher;
#define FLASHERS_PER_ZONE 6
#define MAX_SHIMMER 92
uint16_t WS2812FX::mode_fairy() {
//set every pixel to a 'random' color from palette (using seed so it doesn't change between frames)
uint16_t PRNG16 = 5100 + _segment_index;
for (uint16_t i = 0; i < SEGLEN; i++) {
PRNG16 = (uint16_t)(PRNG16 * 2053) + 1384; //next 'random' number
setPixelColor(i, color_from_palette(PRNG16 >> 8, false, false, 0));
}
//amount of flasher pixels depending on intensity (0: none, 255: every LED)
if (SEGMENT.intensity == 0) return FRAMETIME;
uint8_t flasherDistance = ((255 - SEGMENT.intensity) / 28) +1; //1-10
uint16_t numFlashers = (SEGLEN / flasherDistance) +1;
uint16_t dataSize = sizeof(flasher) * numFlashers;
if (!SEGENV.allocateData(dataSize)) return FRAMETIME; //allocation failed
Flasher* flashers = reinterpret_cast<Flasher*>(SEGENV.data);
uint16_t now16 = now & 0xFFFF;
//Up to 11 flashers in one brightness zone, afterwards a new zone for every 6 flashers
uint16_t zones = numFlashers/FLASHERS_PER_ZONE;
if (!zones) zones = 1;
uint8_t flashersInZone = numFlashers/zones;
uint8_t flasherBri[FLASHERS_PER_ZONE*2 -1];
for (uint16_t z = 0; z < zones; z++) {
uint16_t flasherBriSum = 0;
uint16_t firstFlasher = z*flashersInZone;
if (z == zones-1) flashersInZone = numFlashers-(flashersInZone*(zones-1));
for (uint16_t f = firstFlasher; f < firstFlasher + flashersInZone; f++) {
uint16_t stateTime = now16 - flashers[f].stateStart;
//random on/off time reached, switch state
if (stateTime > flashers[f].stateDur * 10) {
flashers[f].stateOn = !flashers[f].stateOn;
if (flashers[f].stateOn) {
flashers[f].stateDur = 12 + random8(12 + ((255 - SEGMENT.speed) >> 2)); //*10, 250ms to 1250ms
} else {
flashers[f].stateDur = 20 + random8(6 + ((255 - SEGMENT.speed) >> 2)); //*10, 250ms to 1250ms
}
//flashers[f].stateDur = 51 + random8(2 + ((255 - SEGMENT.speed) >> 1));
flashers[f].stateStart = now16;
if (stateTime < 255) {
flashers[f].stateStart -= 255 -stateTime; //start early to get correct bri
flashers[f].stateDur += 26 - stateTime/10;
stateTime = 255 - stateTime;
} else {
stateTime = 0;
}
}
if (stateTime > 255) stateTime = 255; //for flasher brightness calculation, fades in first 255 ms of state
//flasherBri[f - firstFlasher] = (flashers[f].stateOn) ? 255-gamma8((510 - stateTime) >> 1) : gamma8((510 - stateTime) >> 1);
flasherBri[f - firstFlasher] = (flashers[f].stateOn) ? stateTime : 255 - (stateTime >> 0);
flasherBriSum += flasherBri[f - firstFlasher];
}
//dim factor, to create "shimmer" as other pixels get less voltage if a lot of flashers are on
uint8_t avgFlasherBri = flasherBriSum / flashersInZone;
uint8_t globalPeakBri = 255 - ((avgFlasherBri * MAX_SHIMMER) >> 8); //183-255, suitable for 1/5th of LEDs flashers
for (uint16_t f = firstFlasher; f < firstFlasher + flashersInZone; f++) {
uint8_t bri = (flasherBri[f - firstFlasher] * globalPeakBri) / 255;
PRNG16 = (uint16_t)(PRNG16 * 2053) + 1384; //next 'random' number
uint16_t flasherPos = f*flasherDistance;
setPixelColor(flasherPos, color_blend(SEGCOLOR(1), color_from_palette(PRNG16 >> 8, false, false, 0), bri));
for (uint16_t i = flasherPos+1; i < flasherPos+flasherDistance && i < SEGLEN; i++) {
PRNG16 = (uint16_t)(PRNG16 * 2053) + 1384; //next 'random' number
setPixelColor(i, color_from_palette(PRNG16 >> 8, false, false, 0, globalPeakBri));
}
}
}
return FRAMETIME;
}
/*
* Fairytwinkle. Like Colortwinkle, but starting from all lit and not relying on getPixelColor
* Warning: Uses 4 bytes of segment data per pixel
*/
uint16_t WS2812FX::mode_fairytwinkle() {
uint16_t dataSize = sizeof(flasher) * SEGLEN;
if (!SEGENV.allocateData(dataSize)) return mode_static(); //allocation failed
Flasher* flashers = reinterpret_cast<Flasher*>(SEGENV.data);
uint16_t now16 = now & 0xFFFF;
uint16_t PRNG16 = 5100 + _segment_index;
uint16_t riseFallTime = 400 + (255-SEGMENT.speed)*3;
uint16_t maxDur = riseFallTime/100 + ((255 - SEGMENT.intensity) >> 2) + 13 + ((255 - SEGMENT.intensity) >> 1);
for (uint16_t f = 0; f < SEGLEN; f++) {
uint16_t stateTime = now16 - flashers[f].stateStart;
//random on/off time reached, switch state
if (stateTime > flashers[f].stateDur * 100) {
flashers[f].stateOn = !flashers[f].stateOn;
bool init = !flashers[f].stateDur;
if (flashers[f].stateOn) {
flashers[f].stateDur = riseFallTime/100 + ((255 - SEGMENT.intensity) >> 2) + random8(12 + ((255 - SEGMENT.intensity) >> 1)) +1;
} else {
flashers[f].stateDur = riseFallTime/100 + random8(3 + ((255 - SEGMENT.speed) >> 6)) +1;
}
flashers[f].stateStart = now16;
stateTime = 0;
if (init) {
flashers[f].stateStart -= riseFallTime; //start lit
flashers[f].stateDur = riseFallTime/100 + random8(12 + ((255 - SEGMENT.intensity) >> 1)) +5; //fire up a little quicker
stateTime = riseFallTime;
}
}
if (flashers[f].stateOn && flashers[f].stateDur > maxDur) flashers[f].stateDur = maxDur; //react more quickly on intensity change
if (stateTime > riseFallTime) stateTime = riseFallTime; //for flasher brightness calculation, fades in first 255 ms of state
uint8_t fadeprog = 255 - ((stateTime * 255) / riseFallTime);
uint8_t flasherBri = (flashers[f].stateOn) ? 255-gamma8(fadeprog) : gamma8(fadeprog);
uint16_t lastR = PRNG16;
uint16_t diff = 0;
while (diff < 0x4000) { //make sure colors of two adjacent LEDs differ enough
PRNG16 = (uint16_t)(PRNG16 * 2053) + 1384; //next 'random' number
diff = (PRNG16 > lastR) ? PRNG16 - lastR : lastR - PRNG16;
}
setPixelColor(f, color_blend(SEGCOLOR(1), color_from_palette(PRNG16 >> 8, false, false, 0), flasherBri));
}
return FRAMETIME;
}

20
wled00/FX.h
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@ -161,14 +161,14 @@
#define FX_MODE_COMET 41
#define FX_MODE_FIREWORKS 42
#define FX_MODE_RAIN 43
#define FX_MODE_TETRIX 44
#define FX_MODE_TETRIX 44 //was Merry Christmas prior to 0.12.0 (use "Chase 2" with Red/Green)
#define FX_MODE_FIRE_FLICKER 45
#define FX_MODE_GRADIENT 46
#define FX_MODE_LOADING 47
#define FX_MODE_POLICE 48 // candidate for removal (after below three)
#define FX_MODE_POLICE_ALL 49 // candidate for removal
#define FX_MODE_FAIRY 49 //was Police All prior to 0.13.0-b6 (use "Two Dots" with Red/Blue and full intensity)
#define FX_MODE_TWO_DOTS 50
#define FX_MODE_TWO_AREAS 51 // candidate for removal
#define FX_MODE_FAIRYTWINKLE 51 //was Two Areas prior to 0.13.0-b6 (use "Two Dots" with full intensity)
#define FX_MODE_RUNNING_DUAL 52
#define FX_MODE_HALLOWEEN 53 // candidate for removal
#define FX_MODE_TRICOLOR_CHASE 54
@ -550,9 +550,9 @@ class WS2812FX {
_mode[FX_MODE_GRADIENT] = &WS2812FX::mode_gradient;
_mode[FX_MODE_LOADING] = &WS2812FX::mode_loading;
_mode[FX_MODE_POLICE] = &WS2812FX::mode_police;
_mode[FX_MODE_POLICE_ALL] = &WS2812FX::mode_police_all;
_mode[FX_MODE_FAIRY] = &WS2812FX::mode_fairy;
_mode[FX_MODE_TWO_DOTS] = &WS2812FX::mode_two_dots;
_mode[FX_MODE_TWO_AREAS] = &WS2812FX::mode_two_areas;
_mode[FX_MODE_FAIRYTWINKLE] = &WS2812FX::mode_fairytwinkle;
_mode[FX_MODE_RUNNING_DUAL] = &WS2812FX::mode_running_dual;
_mode[FX_MODE_HALLOWEEN] = &WS2812FX::mode_halloween;
_mode[FX_MODE_TRICOLOR_CHASE] = &WS2812FX::mode_tricolor_chase;
@ -773,9 +773,9 @@ class WS2812FX {
mode_gradient(void),
mode_loading(void),
mode_police(void),
mode_police_all(void),
mode_fairy(void),
mode_two_dots(void),
mode_two_areas(void),
mode_fairytwinkle(void),
mode_running_dual(void),
mode_bicolor_chase(void),
mode_tricolor_chase(void),
@ -878,7 +878,7 @@ class WS2812FX {
chase(uint32_t, uint32_t, uint32_t, bool),
gradient_base(bool),
ripple_base(bool),
police_base(uint32_t, uint32_t, uint16_t),
police_base(uint32_t, uint32_t),
running(uint32_t, uint32_t, bool theatre=false),
tricolor_chase(uint32_t, uint32_t),
twinklefox_base(bool),
@ -927,8 +927,8 @@ const char JSON_mode_names[] PROGMEM = R"=====([
"Scan","Scan Dual","Fade","Theater","Theater Rainbow","Running","Saw","Twinkle","Dissolve","Dissolve Rnd",
"Sparkle","Sparkle Dark","Sparkle+","Strobe","Strobe Rainbow","Strobe Mega","Blink Rainbow","Android","Chase","Chase Random",
"Chase Rainbow","Chase Flash","Chase Flash Rnd","Rainbow Runner","Colorful","Traffic Light","Sweep Random","Chase 2","Aurora","Stream",
"Scanner","Lighthouse","Fireworks","Rain","Tetrix","Fire Flicker","Gradient","Loading","Police","Police All",
"Two Dots","Two Areas","Running Dual","Halloween","Chase 3","Tri Wipe","Tri Fade","Lightning","ICU","Multi Comet",
"Scanner","Lighthouse","Fireworks","Rain","Tetrix","Fire Flicker","Gradient","Loading","Police","Fairy",
"Two Dots","Fairytwinkle","Running Dual","Halloween","Chase 3","Tri Wipe","Tri Fade","Lightning","ICU","Multi Comet",
"Scanner Dual","Stream 2","Oscillate","Pride 2015","Juggle","Palette","Fire 2012","Colorwaves","Bpm","Fill Noise",
"Noise 1","Noise 2","Noise 3","Noise 4","Colortwinkles","Lake","Meteor","Meteor Smooth","Railway","Ripple",
"Twinklefox","Twinklecat","Halloween Eyes","Solid Pattern","Solid Pattern Tri","Spots","Spots Fade","Glitter","Candle","Fireworks Starburst",

7
wled00/bus_manager.h
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@ -318,8 +318,12 @@ class BusPwm : public Bus {
cct = (approximateKelvinFromRGB(c) - 1900) >> 5;
}
//0 - linear (CCT 127 = 50% warm, 50% cold), 127 - additive CCT blending (CCT 127 = 100% warm, 100% cold)
uint8_t ww, cw;
#ifdef WLED_USE_IC_CCT
ww = w;
cw = cct;
#else
//0 - linear (CCT 127 = 50% warm, 50% cold), 127 - additive CCT blending (CCT 127 = 100% warm, 100% cold)
if (cct < _cctBlend) ww = 255;
else ww = ((255-cct) * 255) / (255 - _cctBlend);
@ -328,6 +332,7 @@ class BusPwm : public Bus {
ww = (w * ww) / 255; //brightness scaling
cw = (w * cw) / 255;
#endif
switch (_type) {
case TYPE_ANALOG_1CH: //one channel (white), relies on auto white calculation

2
wled00/wled.h
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@ -8,7 +8,7 @@
*/
// version code in format yymmddb (b = daily build)
#define VERSION 2112030
#define VERSION 2112070
//uncomment this if you have a "my_config.h" file you'd like to use
//#define WLED_USE_MY_CONFIG