// in this example, we assume that width equals outputLen.
int myWidth = 512;
int myHeight = 512;

int whatColor = 0;

int xLoc = int(random(myWidth));
int yLoc = int(random(myHeight));

int oldXLoc = mouseX; 
int oldYLoc = mouseY;
int newXLoc, newYLoc;

boolean redFlag = true;
boolean greenFlag = true;
boolean blueFlag = true;
boolean genFlag = false;

int myRed = int(random(255));
int myGreen = int(random(255));
int myBlue = int(random(255));

int b =0;

int[] rainX = new int[10];
int[] rainY = new int[10];
int[] rainSpeed = new int[10];
int [] rainWind = new int[10];

int[] particleFlag = new int[10];

int d;


// SONIA V2.5 -- EXPERT EXAMPLE for Audio Live Stream.

int outputLen = 256; // Define the length of the LiveOutput Stream.

void setup(){
  //size(512,200); // in this example, we assume that width equals outputLen.
  size(myWidth, myHeight);
  background(0);
  Sonia.start(this,11000); // Start Sonia in a lower sampling rate, for improved CPU performance.
  LiveOutput.start(outputLen,outputLen*2); // Start LiveOutput, define the Stream-length and Stream-buffer.
  LiveOutput.startStream(); // Start the streaming -activates the liveOutputEvent(){}

 
  
  for (d=0; d<10; d++){
    rainX[d] = 10;
    rainY[d] = 10; 
    rainSpeed[d] = 10;
    rainWind[d] = 1;
    particleFlag[d] = 0;
  }
  
  colorMode(RGB, 255);
  cursor(CROSS);

}


void loop(){

   background(0);
   
  if(genFlag){
         float rotation = sin((mouseY/3)*((TWO_PI)/outputLen));
         rotate(rotation);
         smooth();
         }
   
 
   // Draw the waveform of the sample-data
   for (int i=0; i < outputLen-1; i++) {
     int data = int(LiveOutput.data[i]);
     adjustColors(i);
     drawRain(i);
   }
 
   
}


// This event is automatically called every time new sample data is required by the LiveOutput stream.
// You are expected to pass LiveOutput.data[] new values on each call.
// Notice that LiveOutput.data.length is determined by the LiveOutput.start(streamLength)command in void setup()

void liveOutputEvent(){
  if(mousePressed){
     // do the math for creating the sample data
     int freq = mouseX/27; // mouseX determines the amount of sine-cycles to be created. 
     float oneCycle = (TWO_PI) / outputLen; // math to be used in sin() below. it changes the value range, to produce 1 sin cycle. 
     float amp = 0.5; // determines the amplitude of our sample data. (values range from 0.0 to 1.0);

     // populate the liveOutput 'data' array with sample data
      for (int i=0; i < outputLen; i++) {
        LiveOutput.data[i] = amp* sin(float(i*oneCycle*freq));
        whatColor = int(LiveOutput.data[i]*100);
        if (whatColor< 0){
          whatColor = 0;
          }
        //println(whatColor);
        genFlag = true;
        //adjustColors(whatColor);
      }
   }else {
      // on mouseRelease, do a fade-out of the sample data by slowly 'shrinking' the array values.
      for (int i=0; i < outputLen; i++) {
      LiveOutput.data[i] *= 0.98;
      genFlag = false;
      }
   }
}


// Safely close the sound engine upon Browser shutdown.
public void stop(){
     Sonia.stop();
     super.stop();
}


void drawRain(int d){

   noStroke();
   rect(d+width/4, LiveOutput.data[d]*25, d+1+height/4, LiveOutput.data[(d+1)]*25);
   
  for(int c=0; c<outputLen; c++){
     float rotation = sin(c)/3;
     rotate(rotation);
     smooth();
 }

}



void adjustColors(int whatNum){
  whatNum = whatNum/2;
  myRed = whatNum+69;
  myGreen = whatNum-10;
  myBlue = whatNum+10;

      
  color myColor = color(myRed, myGreen, myBlue);
  fill (myColor);
  stroke(myColor);
}