import processing.net.*;

Client c;

int lBar, hBar, ballSize;

int x1, y1, x2, y2, x3, y3;

void setup() {
  size(400, 600);
  ballSize = 15;
  lBar = 100;
  hBar = 20;

  c = new Client(this, "127.0.0.1", 4321);
}

void draw() {
  background(0);

  sendPosition();
  receivePosition();
  drawBar();
  drawBall();
  x2 = mouseX;
}

void drawBar() {
  rect(min(max(x1 - (lBar/2), 0), (width - lBar)), height - (hBar + 10), lBar, hBar);
  rect(min(max(x2 - (lBar/2), 0), (width - lBar)), 10, lBar, hBar);
}

void drawBall() {
  ellipse(x3, y3, ballSize, ballSize);
}

void sendPosition() {
  c.write(x2+"\n");
}
void receivePosition() {
  if (c.available() > 0) {
    String input = c.readString();
    input = input.substring(0, input.indexOf("\n"));
    int[] data = int(splitTokens(input, ","));
    x1 = data[0];
    x3 = data[1];
    y3 = data[2];
  }
}