//maze

int Xa;
int Ya;
int Xb;
int Yb;

void setup() {
  size(200, 100);
  stroke(0);
  smooth();
  background(255);
  
  Xa = 5;
  Ya = 5;
  Xb = Xa;
  Yb = Ya;
}

void draw() {
  fill(0);
  rect(10, 10, 20, 10);
  rect(20, 20, 50, 10);
  rect(10, 30, 20, 10);
  rect(10, 50, 50, 10);
  rect(10, 60, 10, 10);
  rect(10, 80, 30, 10);
  rect(30, 70, 20, 10);
  rect(40, 0, 10, 10);
  rect(40, 40, 20, 10);
  rect(40, 60, 10, 10);
  rect(50, 90, 50, 10);
  rect(60, 10, 20, 10);
  rect(60, 70, 10, 20);
  rect(70, 0, 10, 10);
  rect(70, 40, 20, 10);
  rect(80, 30, 10, 10);
  rect(80, 60, 20, 20);
  rect(90, 10, 10, 30);
  rect(90, 80, 10, 10);
  rect(110, 10, 10, 40);
  rect(110, 60, 10, 30);
  rect(120, 10, 10, 10);
  rect(120, 30, 20, 10);
  rect(130, 60, 10, 30);
  rect(140, 0, 10, 40);
  rect(140, 60, 60, 10);
  rect(150, 0, 10, 10);
  rect(150, 80, 20, 20);
  rect(160, 20, 10, 30);
  rect(170, 0, 30, 10);
  rect(170, 20, 10, 10);
  rect(170, 40, 20, 10);
  rect(170, 90, 30, 10);
  rect(180, 70, 20, 10);
  rect(190, 10, 10, 50);
  
  stroke(0);
  line(70, 60, 80, 60);
  line(140, 50, 160, 50);
  line(90, 50, 110, 50);
  line(0, 0, 200, 0);
  line(0, 100, 200, 100);
  line(0, 10, 0, 100);
  
  line(Xa, Ya, Xb, Yb);
}


void keyPressed () {
     if (key == 'a' || key == 'A') {
      Xa = Xb; Xb = Xa - 10;
      Ya = Yb;
    }
    else if (key == 'd' || key == 'D') {
      Xa = Xb; Xb = Xa + 10;
      Ya = Yb;
    }
    else if (key == 'w' || key == 'W') {
      Ya = Yb; Yb = Ya - 10;
      Xa = Xb;
    }
    else if (key == 'x' || key == 'X') {
      Ya = Yb; Yb =  Ya + 10;
      Xa = Xb;
    } 
}