Modify a text file: $/p6.pde

$/p6.pde

size( 600,400 );
background( 100,200,200 );

float ww=width*3/4;        // Rectangle size
float hh=height*3/4;
float left= (width-ww) / 2;
float top=  (height-hh) / 2;
float x,y;
//
float stripe=  hh/13;      // Stripe is 1/13 of rectangle height.
//
strokeWeight(6);
stroke(255,200,0);
x=left;
y=top;
rect( left,top, ww,hh );
strokeWeight(1);
//
for (int n=1; n<=13; ++n)
{
  if (n % 2 == 0) fill(255);      // White for even stripes.
  else fill(255,0,0);             // Red for odd stripes.
  //--  text( y, 50, y);  
  //
  rect( x,y, ww,stripe);  // Draw one stripe.
  y += stripe;            // next stripe.
}

float xx=ww*6/13, yy=hh*6/13;
fill(0,0,255);
rect( left,top, xx,yy);

// STARS //
float dx, dy;

// Outer stars.
dx=  xx/6;
dy=  yy/5;
y= top + dy/2;
for (int row=1; row<=5; ++row )
{
  x= left + dx/2;
  for (int col=1; col<=6; ++col )
  {
    fill(255);
    ellipse( x,y, 6,6);
    x += dx;
  }
  y += dy;
}

// Inner stars.
y= top + dy;
for (int row=1; row<=4; ++row )
{
  x= left + dx;
  for (int col=1; col<=5; ++col )
  {
    fill(255);
    ellipse( x,y, 6,6);
    x += dx;
  }
  y += dy;
}