Creating a 2-Dimensional Array with coordinates

Question

Hi ,

imagine you Look on a 2-D maze with directions NORTH, EAST , SOUTH and WEST
now there are some deadlocks
you walk around with int x and int y ( x for left and right and y for up and down )

when you come into a deadlock
((so for example you cannot go EAST && WEST && SOUTH ... ))
the programme should give : deadEnd [y] [x] = true;
return true;

is there an elegant and short way to progame this as a Boolean?
public static final int NORTH, EAST , WEST , SOUTH are given (0,1,2,3)

Answer 1

I don't know the exact situation, but I would create a boolean method wich does this for you.

Then, in a coordinate system normally +Y means up, -Y means down, +X means right and -X means left. You can check inside the method the four contigous points, and return true in case 3 of them are full/wall
Example:

public boolean isDeadEnd (int X, int Y){

/*
The check method returns true if the point is a wall
*/

boolean tile1 = check (--X, Y);
boolean tile2 = check (++X, Y);
boolean tile3 = check (X, --Y);
boolean tile4 = check (X, ++Y);

//Return true if any of the 4 combinations is a dead end
return (tile1 && tile2 && tile3) || (tile1 && tile2 && tile4) || (tile1 && tile3 && tile4) || (tile2 && tile3 && tile4)

Now, I don't know why you are using a dimensional array, or if you have a way to check walls, but I hope it helps

Answer 2

thank you so much

it Helped me a Lot !!