boolean start;
float xx=random(width),xxx=1,yy,yyy=1,vel;
int posx,posy,larg,largBola,pontos;
BFont b;
void setup(){
  size(374,374);
  background(0);
  framerate(30);
  ellipseMode(CENTER_DIAMETER);
  posx=0;
  posy=height-20;
  larg=70;
  largBola=30;
  pontos=0;
  b=loadFont("04b.vlw");
}
void loop(){
  background(0);
  //ellipse
  if(start){
    if(xx<=0){
      xxx=vel;
    }
    if(xx>=width){
      xxx=-vel;
    }
    if(yy<=0){
      yyy=vel;
    }
    if(yy>=posy-largBola/2 && yy<=posy-largBola/2+5 && xx>=posx && xx<=posx+larg){
      pontos++;
      vel+=0.5;
      yyy=-vel;
    }
    if(yy>height){
      start=false;
    }
    xx+=xxx;
    yy+=yyy;
    ellipse(xx,yy,largBola,largBola);
      textFont(b,50);
    textMode(ALIGN_CENTER);
    text(pontos,width/2,height/2);
  }else{
    noSmooth();
    textFont(b,30);
    textMode(ALIGN_CENTER);
    text("it a key to start",width/2,height/2);
    xx=random(width);
    yy=0;
    vel=5;
    pontos=0;
  }
  //rect
  if(keyPressed) {
    if (key == LEFT && posx>0) {
      posx-=10;
    } else if (key == RIGHT && posx<width-larg) {
      posx+=10;
    }
  }
  rect(posx,posy,larg,10);
}

void mousePressed(){
  if(start){
    start=false;
  }else{
    start=true;
  }
}