void bfs(int x, int y)
{
if (t[x, y] != Empty)
{
return;
}
GamePos[] q = new GamePos[n * m];
int l = 0, r = -1;
q[++r] = new GamePos(x, y);
while (l <= r)
{
GamePos p = q[l++];
setType(p, Obstacle);
if (p.y + 1 < m && t[p.x, p.y + 1] == Empty)
{
q[++r] = new GamePos(p.x, p.y + 1);
}
else if (p.y - 1 >= 0 && t[p.x, p.y - 1] == Empty)
{
q[++r] = new GamePos(p.x, p.y - 1);
}
else if (p.x + 1 < n && t[p.x + 1, p.y] == Empty)
{
q[++r] = new GamePos(p.x + 1, p.y);
}
else if (p.x - 1 >= 0 && t[p.x - 1, p.y] == Empty)
{
q[++r] = new GamePos(p.x - 1, p.y);
}
}
}
public static Point3D FromGamePos(GamePos p)
{
return(new Point3D(p.x, 0, p.y));
}
public Point3D GameToWolrd(GamePos p)
{
return(GameToWolrd(new Point3D(p.x, 0, p.y)));
}
public Monster(Circle _p)
{
cir = _p;
p = new GamePos(_p.c);
}
/*
* public GamePos worldToGame(Point3D worldPos)
* {
* float x = worldPos.x, y = worldPos.y;
* x = x * rate + x_bias;
* y = y * rate + y_bias;
* return new GamePos((int)x, (int)y);
* }
*
* public Point3D gameToWorld(GamePos gamePos, float height)
* {
* float x = gamePos.x, y = gamePos.y;
* x = (x - x_bias) / rate;
* y = (y - y_bias) / rate;
* return new Point3D(x, y, height);
* }*/
private void setType(GamePos p, int _t)
{
t[p.x, p.y] = _t;
}