csVector3 csBox3::GetCorner (int corner) const
{
switch (corner)
{
case CS_BOX_CORNER_xyz:
return Min ();
case CS_BOX_CORNER_xyZ:
return csVector3 (MinX (), MinY (), MaxZ ());
case CS_BOX_CORNER_xYz:
return csVector3 (MinX (), MaxY (), MinZ ());
case CS_BOX_CORNER_xYZ:
return csVector3 (MinX (), MaxY (), MaxZ ());
case CS_BOX_CORNER_Xyz:
return csVector3 (MaxX (), MinY (), MinZ ());
case CS_BOX_CORNER_XyZ:
return csVector3 (MaxX (), MinY (), MaxZ ());
case CS_BOX_CORNER_XYz:
return csVector3 (MaxX (), MaxY (), MinZ ());
case CS_BOX_CORNER_XYZ:
return Max ();
case CS_BOX_CENTER3:
return GetCenter ();
}
return csVector3 (0, 0, 0);
}
void csBox3::ManhattanDistance (const csBox3& other, csVector3& dist) const
{
if (other.MinX () >= MaxX ()) dist.x = other.MinX () - MaxX ();
else if (MinX () >= other.MaxX ()) dist.x = MinX () - other.MaxX ();
else dist.x = 0;
if (other.MinY () >= MaxY ()) dist.y = other.MinY () - MaxY ();
else if (MinY () >= other.MaxY ()) dist.y = MinY () - other.MaxY ();
else dist.y = 0;
if (other.MinZ () >= MaxZ ()) dist.z = other.MinZ () - MaxZ ();
else if (MinZ () >= other.MaxZ ()) dist.z = MinZ () - other.MaxZ ();
else dist.z = 0;
}
int csBox3::Adjacent (const csBox3 &other, float epsilon) const
{
if (AdjacentX (other, epsilon))
{
if (other.MaxX () > MaxX ())
return CS_BOX_SIDE_X;
else
return CS_BOX_SIDE_x;
}
if (AdjacentY (other, epsilon))
{
if (other.MaxY () > MaxY ())
return CS_BOX_SIDE_Y;
else
return CS_BOX_SIDE_y;
}
if (AdjacentZ (other, epsilon))
{
if (other.MaxZ () > MaxZ ())
return CS_BOX_SIDE_Z;
else
return CS_BOX_SIDE_z;
}
return -1;
}
void csBox3::GetAxisPlane (int side, int& axis, float& where) const
{
axis = side / 2;
switch (side)
{
case CS_BOX_SIDE_x:
where = MinX ();
break;
case CS_BOX_SIDE_X:
where = MaxX ();
break;
case CS_BOX_SIDE_y:
where = MinY ();
break;
case CS_BOX_SIDE_Y:
where = MaxY ();
break;
case CS_BOX_SIDE_z:
where = MinZ ();
break;
case CS_BOX_SIDE_Z:
where = MaxZ ();
break;
}
}
csString csBox3::Description () const
{
csString s;
s.Format("(%g,%g,%g)-(%g,%g,%g)",
MinX (), MinY (), MinZ (), MaxX (), MaxY (), MaxZ ());
return s;
}
csBox2 csBox3::GetSide (int side) const
{
switch (side)
{
case CS_BOX_SIDE_x:
case CS_BOX_SIDE_X:
return csBox2 (MinY (), MinZ (), MaxY (), MaxZ ());
case CS_BOX_SIDE_y:
case CS_BOX_SIDE_Y:
return csBox2 (MinX (), MinZ (), MaxX (), MaxZ ());
case CS_BOX_SIDE_z:
case CS_BOX_SIDE_Z:
return csBox2 (MinX (), MinY (), MaxX (), MaxY ());
}
return csBox2 ();
}
bool csBox3::AdjacentZ (const csBox3& other) const
{
if (ABS (other.MinZ () - MaxZ ()) < SMALL_EPSILON ||
ABS (other.MaxZ () - MinZ ()) < SMALL_EPSILON)
{
if (MaxX () < other.MinX () || MinX () > other.MaxX ()) return false;
if (MaxY () < other.MinY () || MinY () > other.MaxY ()) return false;
return true;
}
return false;
}
bool csBox3::AdjacentZ (const csBox3 &other, float epsilon) const
{
if (
ABS (other.MinZ () - MaxZ ()) < epsilon ||
ABS (other.MaxZ () - MinZ ()) < epsilon)
{
if (MaxX () < other.MinX () || MinX () > other.MaxX ()) return false;
if (MaxY () < other.MinY () || MinY () > other.MaxY ()) return false;
return true;
}
return false;
}
int csBox3::Adjacent (const csBox3& other) const
{
if (AdjacentX (other))
{
if (other.MaxX () > MaxX ()) return BOX_SIDE_X;
else return BOX_SIDE_x;
}
if (AdjacentY (other))
{
if (other.MaxY () > MaxY ()) return BOX_SIDE_Y;
else return BOX_SIDE_y;
}
if (AdjacentZ (other))
{
if (other.MaxZ () > MaxZ ()) return BOX_SIDE_Z;
else return BOX_SIDE_z;
}
return -1;
}
