String[] cartLocation;
int cartX;
int cartY;
int counter = 0;

int avgY;
int avgX;
int sumX = 0;
int sumY = 0;


float totalX = 464;
float totalY = 32;

float fixedX = 320;
float fixedY = 110;
float locX;
float locY;

float perX;
float perY;

float hrzLnX;
float hrzLnY;


PFont font;
PFont fontSmall;



void setup() {

  size(640,480);
  background(15);
  noStroke();
  smooth();
  //font = loadFont("HelveticaNeue-Bold-48.vlw");
  font = loadFont("HelveticaNeue-Light-20.vlw");
  textFont(font);
  //textFont(fontSmall);



  cartLocation = loadStrings("cartMovement.txt");
  int len = cartLocation.length;


  frameRate(10);
  loop();
}


void draw() {

  fill(5);
  rectMode(CORNER);
  rect(0,0,width,height);
  //fill(5,5);
  //noStroke();
  //rect(0,240 + 60, width, height/2 - 60);
  //fill(0,0,0,5);
  //rect(160,375,width,240);
  //rectMode(CENTER);

  //  fill(255,0,100);
  stroke(175,175,175,65);

  rect (340-30,110,100,50);
  rect (340,110-30,100,50);
  quad (340, 110-30, 340+100, 110-30, 340+70, 110, 340-30, 110);
  quad (340, 110-30+50, 340+100, 110-30+50, 340+70, 110+50, 340-30, 110+50);
  //rect(340,110,100,100);
  noStroke();

  if(counter < cartLocation.length) {
    String[] crd = split(cartLocation[counter], ',');

    cartX = Integer.parseInt(crd[0]); 
    cartY = Integer.parseInt(crd[1]); 
    //println(cartX + "," + cartY);

    locX = ((cartX + (.43 * counter)) - 275);
    locY = ((cartY + (.029493 * counter)) - 109);
    fill(60,20,190);
    //rect (locX,locY , 100,100);
    //rect (100,300,100,100);


    //center cube
    stroke(254,173,94);
    //stroke(255);
    noFill();
    //fill (200,0,0);
    rectMode(CORNER);
    rect (locX-30,locY,100,50);
    rect (locX,locY-30,100,50);
    quad (locX, locY-30, locX+100, locY-30, locX+70, locY, locX-30, locY);
    quad (locX, locY-30+50, locX+100, locY-30+50, locX+70, locY+50, locX-30, locY+50);

    //  quad (locX+30, locY-30, locX+130, locY-30, locX+100, locY, locX, locY);
    //  quad (locX+30, locY-30+50, locX+130, locY-30+50, locX+100, locY+50, locX, locY+50);
    fill(254,173,94);
    stroke(254,173,94);
    text("FRAME " + counter + " OF " + cartLocation.length, 440,470);

    // calculate percent changes ***********************
    if (counter%50 == 0) {
    perX = abs(locX - fixedX) / totalX;
    perY = abs(locY - fixedY) / totalY;
    hrzLnX = locX-30;
    hrzLnY = locY+50;
    }
    fill(254,173,94);
    stroke(254,173,94);
    ///fill(153);

    text("horizontal:     " + perX + " %",10,419);
    text("vertical:          "+ perY + " %",10,443);
    text("[deviation agaist total distance travelled]", 10, 470);
    //rect(20,300,50,50);
    //println(perX + " / " + perY); 
    
    stroke (255,0,0);
    fill(255,0,0);

    line(hrzLnX,hrzLnY-25,hrzLnX,hrzLnY+100); //vertical line
    line(hrzLnX + 30, hrzLnY, hrzLnX - 100, hrzLnY); // horizontal line

    //calculate total percentage of deviation from expected position in respect to the total distance the needle travelled.
    counter ++;
  }
  else {

counter = 0;
  }

}