ColorFluteV2

// Introduction to Physical Computing - ITP - NYU
// Fall 2013 - Tom Igoe
// Midterm Project - Color Flute
// Abe Rubenstein + Yu Ji
// PROCESSING


import processing.serial.*;

Serial port;

int rVal = 0;     // red RGB component
int gVal = 0;     // green RGB component
int bVal = 0;     // blue RGB component
int brushVal = 0; // size of brush
int xPos = 0;
int yPos = 0;
int xPosPrev = 0; // previous xPos (like pmouseX)
int yPosPrev = 0; // previous yPos (like pmouseY)


void setup() {
  
  // println(Serial.list());
  String portName = Serial.list()[4];
  port = new Serial(this, portName, 9600);
  port.bufferUntil('\n');
  
  size(1400,800);
  background(#777777);
  frameRate(300); // higher for smoother movement
}

void draw() {
  
    color c = color(rVal, gVal, bVal);
    fill(c);
    //strokeWeight(brushVal);
    stroke(c);
    strokeWeight(brushVal);
    // Only draw when piezo is being blown on
    if (brushVal != 0) ellipse(xPos, yPos, brushVal*1.5, brushVal*1.5);
    
    // current position becomes previous position
    xPosPrev = xPos;
    yPosPrev = yPos;
    
}


void serialEvent (Serial port) {
  
  String myString = port.readStringUntil('\n');
  
  if (myString != null) {
    
    myString = trim(myString);
    int data[] = int(split(myString, '/'));
    
    if (data.length == 6) {
      rVal = data[0];
      gVal = data[1];
      bVal = data[2];
      brushVal = data[3];
      yPos = (int) map(data[4], 390, 415, 0, height);
      xPos = (int) map(data[5], 395, 320, 0, width);
    }
   
  }
  
}