improving code

[peter linker]

Hi,

I am looking for improvements for my code. (program: processing)
if you guys are wondering about classes, I am not allowed to use it.

int doors = 3;

void drawDoor(int xPosDoor, int yPosDoor, int doorWidth, int doorHeight, int marge, int distance) {
  int xPosKnop = 40;
  xPosDoor = 20;
  yPosDoor = 150;
  doorHeight = 600;
  
  marge = aantalDeuren +1;
  doorWidth = width - (xPosDoor * marge);
  distance = xPosDoor + ( doorWidth/aantalDeuren );

  for ( int i = 1; i <= aantalDeuren; i++ ) {

    fill (139, 69, 19);
    rect (xPosDoor, yPosDoor, doorWidth / aantalDeuren, doorHeight);

    deurKnop(xPosKnop, yPosDoor, 100);
    xPosKnop += distance; 
    xPosDoor += distance;
  }
}

the code needs to draw between the 3 and 7 doors (configureable).