//microdev.gr
//(C) Panos Papazoglou
//January 2023
int cx=width/2;
int cy=width/2;
int cw=30;
int dx=8, dy=8;
int ymin=0, xmin=0;
int xmax,ymax;
int pax=0, pay=0, paw=20, pah=200;
int pbx, pby=0, pbw=20, pbh=200;
int left=0, right=0;
boolean a=false,z=false,up=false,s=false, down=false;


void setup()
{

size(1200, 1000);
ymax=height;
xmax=width;
pbx=xmax-pbw;
surface.setTitle("A Pong game like 1972 - microdev.gr");

}


void draw()
{

background(0);
print_score();
if (s==false)
{
  
  textSize(50);
  fill(0,128,0);  
  text("Press 1 to start..., 2 to exit",(width/2)-300, height/2);
  fill(128,128,0);  textSize(25);
  text("Panos Papazoglou-Microdev.gr",(width/2)-250, height-20);
 
}
else
{
  
 stroke(0,0,128);
line(width/2,0,width/2,height);
cx+=dx; cy+=dy;
if ((cx>xmax) || (cx<0)) dx=-dx;
if ((cy>ymax) || (cy<0)) dy=-dy;
fill(255,0,0);
circle(cx,cy,cw);
draw_r();

 if ((a==true) && (pay>10)) pay=pay-10;
  if ((z==true) && (pay<ymax-pah)) pay=pay+10;
  if ((up==true) && (pby>10)) pby=pby-10;
  if ((down==true) && (pby<ymax-pbh)) pby=pby+10;

if ((cx<paw) && (cy>=pay) && (cy<=pay+pah)) dx=-dx;
else
  if ((cx>xmax-pbw) && (cy>=pby) && (cy<=pby+pbh)) dx=-dx;
  else
    if (cx<0) {right=right+1; s=false;}
    else
      if (cx>xmax) {left=left+1; s=false;}



}
}

void draw_r()
{
fill(0,128,0);
rect(pax,pay,paw,pah);
fill(128,50,128);
rect(pbx,pby,pbw,pbh);

}


void print_score()
{
textSize(100);fill(255);
text(str(left),(width/2)-100, 100);
text(str(right),(width/2)+100, 100);
}



void keyPressed()
{
  if (key=='a') a=true;
  if (key=='z') z=true;
  if (keyCode==UP) up=true;
  if (keyCode==DOWN) down=true;
  if (key=='1') s=true;
  if (key=='2') exit();
  

}

void keyReleased()
{
  if (key=='a') a=false;
  if (key=='z') z=false;
  if (keyCode==UP) up=false;
  if (keyCode==DOWN) down=false;


}