code: public Space findSpace(float x, float y) {
  		for (int i=0;i<spaces.size();i++) {
  			Space space = getSpace(i);
  			if (space.contains(x,y)) {
  				return space;
  			}
  		}
  		
  		return null;
  	}
docs: Find the space at a given location
  
  @param x The x coordinate at which to find the space
  @param y The y coordinate at which to find the space
  @return The space at the given location