void Face::tryGoUp(queue<Vertex> &queue, Vertex &v)
{
Vertex next = v;
switch(orientation)
{
case zFace:
y(next)++;
if(squares.count(next))
return;
if(crossesBorder(v, next, upDir))
return;
break;
case xFace:
case yFace:
z(next)++;
if(squares.count(next))
return;
if(crossesBorder(v, next, frontDir))
return;
break;
}
squares.insert(next);
queue.push(next);
}
void Face::tryGoLeft(queue<Vertex> &queue, Vertex &v)
{
Vertex next = v;
switch(orientation)
{
case zFace:
case yFace:
x(next)--;
if(squares.count(next))
return;
if(crossesBorder(v, next, leftDir))
return;
break;
case xFace:
y(next)--;
if(squares.count(next))
return;
if(crossesBorder(v, next, downDir))
return;
break;
}
squares.insert(next);
queue.push(next);
}
void tryGoUp(queue<Vertex> &queue, Vertex v)
{
y(v)++;
if(borderSquares[yFace]->count(v))
return;
if(blocks.count(v))
return;
blocks.insert(v);
queue.push(v);
}
void tryGoDown(queue<Vertex> &queue, Vertex v)
{
if(borderSquares[yFace]->count(v))
return;
y(v)--;
if(blocks.count(v))
return;
blocks.insert(v);
queue.push(v);
}