//fastled lib based RAINBOW-METER sound visualisation =^.^= MEOW (controling 120 WS2812 LEDs on PB8  with analog stereo audio input )
// read http://fastled.io/docs/3.1/group__chipsets.html if you not using WS2812 or WS2812B
#define rot PB12
#define grun PB13
#define blau PB14
#define sound PA0 //analog input


//fastled
#include <FastLED.h>

#define LED_PIN     PB8
#define screeny    120 //number of leds
#define BRIGHTNESS  255
#define LED_TYPE    WS2812
#define COLOR_ORDER GRB
CRGB leds[screeny];
CRGBPalette16 currentPalette;
TBlendType    currentBlending;

extern CRGBPalette16 myRedWhiteBluePalette;
extern const TProgmemPalette16 myRedWhiteBluePalette_p PROGMEM;
//end
void setup() {

  pinMode(rot, OUTPUT);
  pinMode(grun, OUTPUT);
  pinMode(blau, OUTPUT);
  delay( 1500 ); // power-up safety delay
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, screeny).setCorrection( TypicalLEDStrip );
  FastLED.setBrightness(  BRIGHTNESS );
  currentPalette = RainbowColors_p; //thanks for the cute rainbow
  currentBlending = BLEND;
}

void loop() {
  filtest();
  FastLED.show();
  FastLED.delay(1000 / 4000);
}
int zeit1=0;
int zeit2=0;
int zeit3=0;
int zeit4=0;
int color2=0;
int color=0;
int speedz=0;
int32_t soundz =1000;
int32_t soundz2 =1000;
int32_t soundz3 =2000;
int dif=2850; //groß=wenigerleds
int dif2=2700; //groß=wenigerleds
int dif3=480; //groß=tiefer
int ka=0;
int ka2=0;
int dazuu=5;
void filtest(void){
  zeit1++;
 if (zeit1 > (((round(soundz2-dif2)/5)-round(soundz3-dif3)/5))) {color2 +=6; zeit1=0;}// movingng one color other leds calculating with this
    if (color2> 255) {color2=0;}
  color =color2;
  ka+=60;
  ka2+=20;
  if (ka > (screeny*10)){ka =0;}
    if (ka2 > (screeny*10)){ka2 =0;}
if ((4000-analogRead(sound)) <soundz && (soundz-dif2/5) >1) {soundz-=random(20,23);}
if ((4000-analogRead(sound)) >soundz ) {soundz+=random(20,23);}
if ((4000-analogRead(sound)) <soundz2) {soundz2-=6;}
if ((4000-analogRead(sound)) >soundz2) {soundz2+=5;}
if ((analogRead(sound)) <soundz3) {soundz3-=4;}
if ((analogRead(sound)) >soundz3) {soundz3+=4;}
for( int i = screeny; i > 0; i--) {
  color+=dazuu; //space between new colors
 leds[i] = CRGB::Black;

if (i < (round(soundz-dif)/5)){leds[i] = ColorFromPalette( currentPalette,color, round(255-(i*3)+(i/1.3)), currentBlending);}
//leds[screeny-i] = ColorFromPalette( currentPalette,color, BRIGHTNESS, currentBlending);
if ( i == (round(ka/10)) ) { leds[i] = CRGB::White; }
if ( i == (round(ka2/10)) ) { leds[i] = CRGB::White; }
//if (i == (round(soundz2-dif2)/3.5) ||  i ==round((soundz2-dif)/6.5)) {leds[i]= 0x000000;}
if (i == (round(soundz-dif2/5- random(0,1)))) {leds[i]= 0xffffff; }
if (i == (round(soundz2-dif2)/5+18)) {leds[i]= 0x000000; }
if (i == (round(soundz2-dif2)/6-4)) {leds[i]= 0x000000; }
if (i == (round(soundz2-dif2)/4-5)) {leds[i]= 0x00ffff; } //bottom

if (i == (round(soundz2-dif2)/5) || i==(round((soundz2-dif2)/5)+1)) {leds[i]= 0x0000ff; }
if (i == (round(soundz2-dif2)/4.5)) {leds[i]= ColorFromPalette( currentPalette,round((soundz2-dif2)/5/2), BRIGHTNESS, currentBlending); }
if (i == (round(soundz2-dif2)/5.5)) {leds[i]= ColorFromPalette( currentPalette,round((soundz2-dif2)/5/2), BRIGHTNESS, currentBlending); }
if (i == (round(soundz2-dif2)/6+6)) {leds[i]= 0x00ffff; }
if (i == (round(soundz3-dif3)/6.5-5)) {leds[i]= 0xffff00; }
if (i == (round(soundz3-dif3)/7)) {leds[i]= 0xff00ff; }
if (i == (round(soundz3-dif3)/7.5+4)) {leds[i]= 0xffff00; }
}
   }


//RAINBOW-METER STM32F103C8T6 128kb flash  WS2812B code by marderchen =^.^= its ' FREE likeanything from me.. if you find something usefull
//just use it or parts ~MORE RAINBOWPOWER
/*
 MMMMMMMM               MMMMMMMMEEEEEEEEEEEEEEEEEEEEEE     OOOOOOOOO     WWWWWWWW                           WWWWWWWW
M:::::::M             M:::::::ME::::::::::::::::::::E   OO:::::::::OO   W::::::W                            W::::::W
M::::::::M           M::::::::ME::::::::::::::::::::E OO:::::::::::::OO W::::::W                           W::::::W
M:::::::::M         M:::::::::MEE::::::EEEEEEEEE::::EO:::::::OOO:::::::OW::::::W                           W::::::W
M::::::::::M       M::::::::::M  E:::::E       EEEEEEO::::::O   O::::::O W:::::W           WWWWW           W:::::W
M:::::::::::M     M:::::::::::M  E:::::E             O:::::O     O:::::O  W:::::W         W:::::W         W:::::W
M:::::::M::::M   M::::M:::::::M  E::::::EEEEEEEEEE   O:::::O     O:::::O   W:::::W       W:::::::W       W:::::W
M::::::M M::::M M::::M M::::::M  E:::::::::::::::E   O:::::O     O:::::O    W:::::W     W:::::::::W     W:::::W
M::::::M  M::::M::::M  M::::::M  E:::::::::::::::E   O:::::O     O:::::O     W:::::W   W:::::W:::::W   W:::::W
M::::::M   M:::::::M   M::::::M  E::::::EEEEEEEEEE   O:::::O     O:::::O      W:::::W W:::::W W:::::W W:::::W
M::::::M    M:::::M    M::::::M  E:::::E             O:::::O     O:::::O       W:::::W:::::W   W:::::W:::::W
M::::::M     MMMMM     M::::::M  E:::::E       EEEEEEO::::::O   O::::::O        W:::::::::W     W:::::::::W
M::::::M               M::::::MEE::::::EEEEEEEE:::::EO:::::::OOO:::::::O         W:::::::W       W:::::::W
M::::::M               M::::::ME::::::::::::::::::::E OO:::::::::::::OO           W:::::W         W:::::W
M::::::M               M::::::ME::::::::::::::::::::E   OO:::::::::OO              W:::W           W:::W
MMMMMMMM               MMMMMMMMEEEEEEEEEEEEEEEEEEEEEE     OOOOOOOOO                 WWW             WWW
`..`... `......  `.. ..       `........`.......    `........`........
`..     `..    `..    `..     `..      `..    `..  `..      `..
`..     `..     `..           `..      `..    `..  `..      `..
`..     `..       `..         `......  `. `..      `......  `......
`..     `..          `..      `..      `..  `..    `..      `..
`..     `..    `..    `..     `..      `..    `..  `..      `..
`..     `..      `.. ..       `..      `..      `..`........`........
 */