class Worms {
  /*
  - Initialize tracking array for multiple worm positions
  -
  -
  */
  int x, y;  // Worm position
  int vx, vy; // Worm direction
  int R, G, B; // Worm color
  //int direction = 0; // 0 = up, 1 = right, 2 = down, 3 = left
  //int tail = 0;
  int alph;  
  
  Worms (int ix, int iy, int ivx, int ivy, int ir, int ig, int ib, int ia) {
    x = ix;
    y = iy;
    vx = ivx;
    vy = ivy;
    R = ir;
    G = ig;
    B = ib;
    alph = ia;
    //radius = iradius;
  }
  
  void move() // Movement logic for current worm
  {
    //int vx = int(random(3))-1;
    //int vx = int(random(3))-1;
   // x += vx;
   // y += vy;
   int direction = int(random(4));
   switch(direction)
   {
     case 0:
       y--; //up
     break;
     case 1:
       x++;  //right
     break;
     case 2:
       y++; //down
     break;
     case 3:
       x--;  //left
     break;
   }
   
    x = constrain(x,0,width-1);
    y = constrain(y,0,height-1);
  }
  
  void display() // Draws the current Worm
  {
    stroke(R,G,B,alph);
    point(x,y);
  }
}