public LineDef(
Vertex vertex1,
Vertex vertex2,
LineFlags flags,
LineSpecial special,
short tag,
SideDef side0,
SideDef side1)
{
Vertex1 = vertex1;
Vertex2 = vertex2;
Flags = flags;
Special = special;
Tag = tag;
Side0 = side0;
Side1 = side1;
Dx = vertex2.X - vertex1.X;
Dy = vertex2.Y - vertex1.Y;
if (Dx == Fixed.Zero)
{
SlopeType = SlopeType.Vertical;
}
else if (Dy == Fixed.Zero)
{
SlopeType = SlopeType.Horizontal;
}
else
{
if (Dy / Dx > Fixed.Zero)
{
SlopeType = SlopeType.Positive;
}
else
{
SlopeType = SlopeType.Negative;
}
}
Box = new Fixed[4];
Box[ManagedDoom.Box.Top] = Fixed.Max(vertex1.Y, vertex2.Y);
Box[ManagedDoom.Box.Bottom] = Fixed.Min(vertex1.Y, vertex2.Y);
Box[ManagedDoom.Box.Left] = Fixed.Min(vertex1.X, vertex2.X);
Box[ManagedDoom.Box.Right] = Fixed.Max(vertex1.X, vertex2.X);
FrontSector = side0?.Sector;
BackSector = side1?.Sector;
}
public LineDef(
Vertex vertex1,
Vertex vertex2,
LineFlags flags,
LineSpecial special,
short tag,
SideDef frontSide,
SideDef backSide)
{
this.vertex1 = vertex1;
this.vertex2 = vertex2;
this.flags = flags;
this.special = special;
this.tag = tag;
this.frontSide = frontSide;
this.backSide = backSide;
dx = vertex2.X - vertex1.X;
dy = vertex2.Y - vertex1.Y;
if (dx == Fixed.Zero)
{
slopeType = SlopeType.Vertical;
}
else if (dy == Fixed.Zero)
{
slopeType = SlopeType.Horizontal;
}
else
{
if (dy / dx > Fixed.Zero)
{
slopeType = SlopeType.Positive;
}
else
{
slopeType = SlopeType.Negative;
}
}
boundingBox = new Fixed[4];
boundingBox[Box.Top] = Fixed.Max(vertex1.Y, vertex2.Y);
boundingBox[Box.Bottom] = Fixed.Min(vertex1.Y, vertex2.Y);
boundingBox[Box.Left] = Fixed.Min(vertex1.X, vertex2.X);
boundingBox[Box.Right] = Fixed.Max(vertex1.X, vertex2.X);
frontSector = frontSide?.Sector;
backSector = backSide?.Sector;
}