import processing.serial.*;

Serial myPort;
float x;
int y;
void setup() {
  background(255);
  size(800,500);
  
  myPort = new Serial(this,"COM5",9600);
  y = 0;
}

void draw() {
 
  x+=0.1;
  noStroke();
  fill(#F7114F);
  //ellipse(x,400-3*y,10,10);
  ellipse(x,3.*y+100.,10,10);
  if(x>width){
    x = 0;
    background(255);
  }
}

void serialEvent(Serial myPort){
  y = myPort.read();
}