class Bug {
// An ant is represented by the coordinates of its location,
// and the direction it is facing.
Integer x;
Integer y;
Dir dir;
enum Dir { E,W,N,S }
}
Bug(Integer x, Integer y, Dir dir) {
this.x = x;
this.y = y;
this.dir = dir;
}}
class BugWorld {
Integer theBreadth, theHeight;
Board board;
Bug bug;
BugWorld(Integer breadth, Integer height) {
board = new board(breadth, height);
bug = new Bug(breadth/2, height/2, Ant.Direction.Y);
theBreadth = breadth;
theHeight = height;
}
У меня уже есть следующее:
Status status(Integer x, Integer y) {
return board[x][y];
}
void update(Integer x, Integer y) {
board[x][y].next();
}
В этой части у меня возникли некоторые проблемы:
/* Take the world of the bug to the next step. */
void step() {
// 1) Get the state at the present bug position.
//I've done the following (next line) so far.
Bug status(Integer x, Integer y); ...?
// 2) Change the 'status' at that position.
.............?
}
У меня просто проблемы с этим.