/**
Copyright 2007 by Joshua Thorp
*/

float l = 77;
float w = 16;

color c1 = color(150);
color c2 = color(255,153,0); //color(200);
color c3 = color(100);

color bc = color(255);

boolean drawfill = true;

void setup() {
  size(400,600);
  background(255);

  setDim();
}

void setDim() {
  w = int(max(random((width-20)/6),3));
  l = int(max(random(height-5*w),10));
  println("L: "+l+ " W: " + w);  
}

void keyPressed() {
  switch(key) {
    case 'f':
      drawfill = !drawfill;
      break;
    case CODED:
      switch(keyCode) {
        case UP:
          l += 1;
          break;  
        case DOWN:
          l -= 1;
          break;  
        case LEFT:
          w -= 1;
          break;  
        case RIGHT:
          w += 1;
          break;  
      }
      break;
    default:
    
  setDim();
  }
  loop();
}

void lines() {
  stroke(c1);
  float x0 = width/2, y0 = height/2;
  line(x0-w/2,y0-l/2,x0-w/2,y0+l/2);
  line(x0+w/2,y0+l/2,x0+w/2,y0-l/2);

  line(x0-w/2,y0-l/2-w,x0-w/2,y0-l/2);
  line(x0+w/2,y0-l/2,x0+w/2+w,y0-l/2-w);
  line(x0+w/2,y0-l/2,x0-w/2,y0-l/2);
  line(x0-w/2,y0-l/2-w,x0+w/2+w,y0-l/2-w);

  line(x0+w/2,y0+l/2+w,x0+w/2,y0+l/2);
  line(x0+w/2,y0+l/2,x0-w/2,y0+l/2);
  line(x0-w/2,y0+l/2,x0-w/2-w,y0+l/2+w);
  line(x0+w/2,y0+l/2+w,x0-w/2-w,y0+l/2+w);

  stroke(c2);
  line(x0-w/2,y0+l/2,x0-w/2-w,y0+l/2+w);
  line(x0-w/2-w,y0+l/2+w,x0-w/2-w,y0-l/2-2*w);
  line(x0+w/2+w,y0-l/2-w,x0+w/2+w,y0+l/2+2*w);
  line(x0-w/2,y0+l/2,x0-w/2,y0-l/2-w);
  line(x0-w/2-w,y0-l/2-2*w,x0+w/2+2*w,y0-l/2-2*w);
  line(x0+w/2+2*w,y0-l/2-2*w,x0+w/2+2*w,y0+l/2+w);
  line(x0+w/2+2*w,y0+l/2+w,x0+w/2+w,y0+l/2+2*w);
  line(x0-w/2,y0-l/2-w,x0+w/2+w,y0-l/2-w);

  stroke(c3);
  line(x0+w/2,y0+l/2+w,x0-w/2-w,y0+l/2+w);
  line(x0+w/2,y0-l/2,x0+w/2,y0+l/2+w);
  line(x0+w/2+w,y0+l/2+2*w,x0-w/2-2*w,y0+l/2+2*w);
  line(x0-w/2-2*w,y0+l/2+2*w,x0-w/2-2*w,y0-l/2-w);
  line(x0-w/2-2*w,y0-l/2-w,x0-w/2-w,y0-l/2-2*w);
  line(x0-w/2-w,y0-l/2-2*w,x0-w/2-w,y0+l/2+w);
  line(x0+w/2,y0-l/2,x0+w/2+w,y0-l/2-w);
  line(x0+w/2+w,y0-l/2-w,x0+w/2+w,y0+l/2+2*w);
}

void filledFigure() {
  float x0 = width/2, y0 = height/2;

  noStroke(); 

  fill(c1); 
  beginShape();
  vertex(x0-w/2,y0-l/2-w);
  vertex(x0-w/2,y0-l/2);
  vertex(x0+w/2,y0-l/2);
  vertex(x0+w/2+w,y0-l/2-w);
  vertex(x0-w/2,y0-l/2-w);
  endShape();

  beginShape();
  vertex(x0+w/2,y0+l/2+w);
  vertex(x0+w/2,y0+l/2);
  vertex(x0-w/2,y0+l/2);
  vertex(x0-w/2-w,y0+l/2+w);
  vertex(x0+w/2,y0+l/2+w);
  endShape();

  fill(c2);
  beginShape();
  vertex(x0-w/2,y0+l/2);
  vertex(x0-w/2-w,y0+l/2+w);
  vertex(x0-w/2-w,y0-l/2-2*w);
  vertex(x0+w/2+2*w,y0-l/2-2*w);
  vertex(x0+w/2+2*w,y0+l/2+w);
  vertex(x0+w/2+w,y0+l/2+2*w);
  vertex(x0+w/2+w,y0-l/2-w);
  vertex(x0-w/2,y0-l/2-w);
  vertex(x0-w/2,y0+l/2);
  endShape();

  fill(c3);
  beginShape();
  vertex(x0+w/2,y0-l/2);
  vertex(x0+w/2+w,y0-l/2-w);
  vertex(x0+w/2+w,y0+l/2+2*w);
  vertex(x0-w/2-2*w,y0+l/2+2*w);
  vertex(x0-w/2-2*w,y0-l/2-w);
  vertex(x0-w/2-w,y0-l/2-2*w);
  vertex(x0-w/2-w,y0+l/2+w);
  vertex(x0+w/2,y0+l/2+w);
  vertex(x0+w/2,y0-l/2);
  endShape();  
}

void draw() {
  background(bc);

  if (drawfill) 
    filledFigure();
  else 
    lines();

  noLoop();  
}