/**
* Removes walls between two specified nodes
*/
private void Merge(NodeVO from, NodeVO to)
{
int dx = to.pos.x - from.pos.x;
int dy = to.pos.y - from.pos.y;
if (dx != 0)
{
if (dx > 0)
{
to.RemoveWall(NodeVO.DIRECTION_LEFT_IDX);
from.RemoveWall(NodeVO.DIRECTION_RIGHT_IDX);
}
else
{
to.RemoveWall(NodeVO.DIRECTION_RIGHT_IDX);
from.RemoveWall(NodeVO.DIRECTION_LEFT_IDX);
}
}
else if (dy != 0)
{
if (dy > 0)
{
to.RemoveWall(NodeVO.DIRECTION_DOWN_IDX);
from.RemoveWall(NodeVO.DIRECTION_UP_IDX);
}
else
{
to.RemoveWall(NodeVO.DIRECTION_UP_IDX);
from.RemoveWall(NodeVO.DIRECTION_DOWN_IDX);
}
}
}
