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2D Audio Reactive Paintbrush Effect

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Troy
2024-08-13 12:09:10 -04:00
parent 114cdfefd8
commit 38d30723a0
2 changed files with 87 additions and 3 deletions
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84
wled00/FX.cpp
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@@ -8550,6 +8550,88 @@ static const char _data_FX_MODE_GEQLASER[] PROGMEM = "GEQ 3D ☾@Speed,Front Fil
#endif // WLED_DISABLE_2D
/*
@title MoonModules WLED - Painbrush Effect
@file included in FX.cpp
@repo https://github.com/MoonModules/WLED, submit changes to this file as PRs to MoonModules/WLED
@Authors https://github.com/MoonModules/WLED/commits/mdev/
@Copyright © 2024 Github MoonModules Commit Authors (contact moonmodules@icloud.com for details)
@license GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007
This function is part of the MoonModules WLED fork also known as "WLED-MM".
WLED-MM is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
WLED-MM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with WLED-MM. If not, see <https://www.gnu.org/licenses/>.
*/
///////////////////////
// 2D Paintbrush //
///////////////////////
uint16_t mode_2DPaintbrush() {
// Author: @TroyHacks
// @license GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007
if (!strip.isMatrix) return mode_static(); // not a 2D set-up
const uint16_t cols = SEGMENT.virtualWidth();
const uint16_t rows = SEGMENT.virtualHeight();
if (!SEGENV.allocateData(4)) return mode_static(); //allocation failed
if (SEGENV.call == 0) {
SEGMENT.setUpLeds();
SEGMENT.fill(BLACK);
SEGENV.aux0 = 0;
}
bool phase_chaos = SEGMENT.check3;
bool soft = SEGMENT.check2;
bool color_chaos = SEGMENT.check1;
CRGB color;
byte numLines = map8(SEGMENT.intensity,1,16);
SEGENV.aux0++; // hue
SEGMENT.fadeToBlackBy(map8(SEGENV.custom1,10,128));
um_data_t *um_data;
if (!usermods.getUMData(&um_data, USERMOD_ID_AUDIOREACTIVE)) {
// add support for no audio
um_data = simulateSound(SEGMENT.soundSim);
}
uint8_t *fftResult = (uint8_t*)um_data->u_data[2];
SEGENV.aux1 = phase_chaos?random8():0;
for (size_t i = 0; i < numLines; i++) {
byte bin = map(i,0,numLines,0,15);
byte x1 = beatsin8(max(16,int(SEGMENT.speed))/16*1 + fftResult[0]/16, 0, (cols-1), fftResult[bin], SEGENV.aux1);
byte x2 = beatsin8(max(16,int(SEGMENT.speed))/16*2 + fftResult[0]/16, 0, (cols-1), fftResult[bin], SEGENV.aux1);
byte y1 = beatsin8(max(16,int(SEGMENT.speed))/16*3 + fftResult[0]/16, 0, (rows-1), fftResult[bin], SEGENV.aux1);
byte y2 = beatsin8(max(16,int(SEGMENT.speed))/16*4 + fftResult[0]/16, 0, (rows-1), fftResult[bin], SEGENV.aux1);
int length = sqrt((x2-x1)*(x2-x1) + (y2-y1)*(y2-y1));
length = map8(fftResult[bin],0,length);
if (length > max(1,int(SEGMENT.custom3))) {
if (color_chaos) {
color = ColorFromPalette(SEGPALETTE, i * 255 / numLines + (SEGENV.aux0&0xFF), 255, LINEARBLEND);
} else {
uint16_t colorIndex = map(i,0,numLines,0,255);
color = SEGMENT.color_from_palette(colorIndex, false, PALETTE_SOLID_WRAP, 0);
}
SEGMENT.drawLine(x1,y1,x2,y2,color,soft,length);
}
}
return FRAMETIME;
} // mode_2DPaintbrush()
static const char _data_FX_MODE_2DPAINTBRUSH[] PROGMEM = "Paintbrush@Oscillator Offset,# of lines,Fade Rate,,Min Length,Color Chaos,Anti-aliasing,Phase Chaos;!,,Peaks;!;2f;sx=160,ix=255,c1=80,c2=255,c3=0,pal=11,o1=0,o2=1,o3=0";
//////////////////////////////////////////////////////////////////////////////////////////
// mode data
@@ -8796,6 +8878,8 @@ void WS2812FX::setupEffectData() {
addEffect(FX_MODE_GEQLASER, &mode_GEQLASER, _data_FX_MODE_GEQLASER); // audio
addEffect(FX_MODE_2DPAINTBRUSH, &mode_2DPaintbrush, _data_FX_MODE_2DPAINTBRUSH); // audio
#endif // WLED_DISABLE_2D
}

6
wled00/FX.h
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@@ -348,9 +348,9 @@ bool strip_uses_global_leds(void); // WLEDMM implemented in FX_fcn.
#define FX_MODE_STARBURST_AR 192 // WLED-SR audioreactive fireworks starburst
// #define FX_MODE_PALETTE_AR 193 // WLED-SR audioreactive palette
#define FX_MODE_FIREWORKS_AR 194 // WLED-SR audioreactive fireworks
#define FX_MODE_GEQLASER 195 // WLED-MM GEQ Laser
#define MODE_COUNT 196
#define FX_MODE_GEQLASER 195 // WLED-MM GEQ Laser
#define FX_MODE_2DPAINTBRUSH 196 // WLED-MM GEQ Laser
#define MODE_COUNT 197
typedef enum mapping1D2D {
M12_Pixels = 0,