import processing.serial.*;

Serial myPort; 
int val=0;      
int val2=0;
int val3=0;
int val4=0;
float eps= 0.5;
float window= 600;

int ul1;
    int uh1;
    int dl1;
    int dh1;
    int ul2;
    int uh2;
    int dl2;
    int dh2;
    int ul3;
    int uh3;
    int dl3;
    int dh3;
    
    
    int upvalue1;
    int downvalue1;
    int upvalue2;
    int downvalue2;
    int upvalue3;
    int downvalue3;

float filter1=0;
float filter2=0;
float filter3=0;

int uplow=0;
int high=0;
void setup() 
{
  noStroke();
  frameRate(30);
  textFont(createFont("Georgia",24));
  textAlign(CENTER, CENTER);
  size(1000, 1000);

 Serial.list();
  String portName = Serial.list()[4];
  myPort = new Serial(this, portName, 9600);
}

int i=0;
void draw()
{

  

  int value1 = 0;
    int value2 =0;
    int value3 =0;
  if ( myPort.available()>0) {  // If data is available,
    val = val2; 
     val2 = val3; 
     val3 = val4; 
     val4 = myPort.read();    // read it and store it in val
  }
  
  if(val==1 && val2==2 && val3==3 && val4==4){
                     // Set background to white
 
     ul1=myPort.read();
     uh1=myPort.read();
     dl1=myPort.read();
     dh1=myPort.read();
    ul2=myPort.read();
     uh2=myPort.read();
     dl2=myPort.read();
     dh2=myPort.read();
     ul3=myPort.read();
     uh3=myPort.read();
     dl3=myPort.read();
     dh3=myPort.read();
    
    
     upvalue1=256*uh1 +ul1;
     downvalue1= 256*dh1+dl1;
     upvalue2=256*uh2 +ul2;
     downvalue2= 256*dh2+dl2;
     upvalue3=256*uh3 +ul3;
     downvalue3= 256*dh3+dl3;
    
    
     value1 = (upvalue1 + (1024-downvalue1))/2;
     value2 = (upvalue2 + (1024-downvalue2))/2;
     value3 = (upvalue3 + (1024-downvalue3))/2;
      
       filter1 = (1-eps) *filter1 + eps*value1;
       filter2 = (1-eps) *filter2 + eps*value2;
       filter3 = (1-eps) *filter3 + eps*value3;
      
      
     
     
      
  if(val==1 && val2==2 && val3==3 && val4==4){
  
  if(filter1<500||filter2<500||filter3<500){  
  i+=60;
  fill(random(255),i,i/2,100-(i/10));
  ellipse(250,250,100+(i/3),100+i/3);
  
  if(i>=255){
    background(255);
     i=0;
  }
  }
  
  else{
        background(255);

    i=0;
  fill(0);
  ellipse(250,250,100,100);
  }
 }
 


   /* println(val); 
    println(val2);
    println(val3);
    println(val4);
    
    println(filter1);
    println(filter2);
    println(filter3);
   */ 
   
  }
 
  fill(0);
 text(filter1, 100, 100);
 println(val);
}



/*

// Wiring / Arduino Code
// Code for sensing a switch status and writing the value to the serial port.

int switchPin = 4;                       // Switch connected to pin 4

void setup() {
  pinMode(switchPin, INPUT);             // Set pin 0 as an input
  Serial.begin(9600);                    // Start serial communication at 9600 bps
}

void loop() {
  if (digitalRead(switchPin) == HIGH) {  // If switch is ON,
    Serial.print(1, BYTE);               // send 1 to Processing
  } else {                               // If the switch is not ON,
    Serial.print(0, BYTE);               // send 0 to Processing
  }
  delay(100);                            // Wait 100 milliseconds
}

*/