import processing.serial.*;

float redValue = 0;        // red value
float greenValue = 0;      // green value
float blueValue = 0;       // blue value
float potValue = 0;
Serial myPort;



void setup() {
  size(1500, 1000);
  noStroke();

  myPort = new Serial(this, Serial.list()[1], 9600);
  // don't generate a serialEvent() unless you get a newline character:
  myPort.bufferUntil('\n');
}

void draw() {
  background(0);
  //fill(redValue, blueValue, greenValue);
  noStroke();
  smooth();
  fill(redValue, greenValue, blueValue);
  ellipse(random(100, 200), random(100, 200)+greenValue, 200, 200+greenValue);
  fill(greenValue, redValue, blueValue);
  rect(random(200,800), random(100, 600)+blueValue, random(100, 300)+greenValue, random(100, 200)+redValue);
 fill(blueValue, greenValue, redValue);
  triangle (random(300, 700), random(100, 800), 50+greenValue, 100+blueValue, 50, 300);
 // fill(potValue, redValue, blueValue);
  //ellipse(200+potValue,300+redValue, 30+potValue, 30+potValue);
  
  
  

  
  
}

void serialEvent(Serial myPort) { 
  // get the ASCII string:
  String inString = myPort.readStringUntil('\n');

  if (inString != null) {
    // trim off any whitespace:
    inString = trim(inString);
    // split the string on the commas and convert the 
    // resulting substrings into an integer array:
    float[] colors = float(split(inString, ","));
    // if the array has at least three elements, you know
    // you got the whole thing.  Put the numbers in the
    // color variables:
    if (colors.length >=3) {
      // map them to the range 0-255:
      redValue = map(colors[0], 0, 1023, 0, 255);
      greenValue = map(colors[1], 0, 1023, 0, 255);
      blueValue = map(colors[2], 0, 1023, 0, 255);
      //potValue = map(colors[3], 0, 1023, 0, 255);
    
      
      
    }
  }
}