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Visual Basic class definition | 1999-07-09 | 2.3 KB | 86 lines |
- VERSION 1.0 CLASS
- BEGIN
- MultiUse = -1 'True
- Persistable = 0 'NotPersistable
- DataBindingBehavior = 0 'vbNone
- DataSourceBehavior = 0 'vbNone
- MTSTransactionMode = 0 'NotAnMTSObject
- END
- Attribute VB_Name = "LightSource"
- Attribute VB_GlobalNameSpace = False
- Attribute VB_Creatable = True
- Attribute VB_PredeclaredId = False
- Attribute VB_Exposed = False
- Option Explicit
-
- ' Light source.
-
- Private Location As Point3D
-
- Public Ir As Single
- Public Ig As Single
- Public Ib As Single
-
- Public Rmin As Single
- Public Kdist As Single
-
- ' Apply a transformation matrix to the object.
- Public Sub Apply(M() As Single)
- ' Transform the center.
- m3Apply Location.Coord, M, Location.Trans
- End Sub
- ' Apply a transformation matrix to the object.
- Public Sub ApplyFull(M() As Single)
- ' Transform the center.
- m3ApplyFull Location.Coord, M, Location.Trans
- End Sub
-
- ' Initialize the object using text parameters in
- ' a comma-delimited list.
- Public Sub SetParameters(ByVal txt As String)
- On Error GoTo ParamError
-
- ' Read the parameters and initialize the object.
- Location.Coord(1) = CSng(GetDelimitedToken(txt, ","))
- Location.Coord(2) = CSng(GetDelimitedToken(txt, ","))
- Location.Coord(3) = CSng(GetDelimitedToken(txt, ","))
- Location.Coord(4) = 1
-
- ' Light intensities.
- Ir = CSng(GetDelimitedToken(txt, ","))
- Ig = CSng(GetDelimitedToken(txt, ","))
- Ib = CSng(txt)
-
- Exit Sub
-
- ParamError:
- MsgBox "Error initializing light source parameters."
- End Sub
-
- ' Return the light source's transformed coordinate.
- Property Get TransX() As Single
- TransX = Location.Trans(1)
- End Property
- ' Return the light source's original coordinate.
- Property Get CoordX() As Single
- CoordX = Location.Coord(1)
- End Property
-
- ' Return the light source's original coordinate.
- Property Get CoordY() As Single
- CoordY = Location.Coord(1)
- End Property
- ' Return the light source's original coordinate.
- Property Get CoordZ() As Single
- CoordZ = Location.Coord(1)
- End Property
- ' Return the light source's transformed coordinate.
- Property Get TransY() As Single
- TransY = Location.Trans(2)
- End Property
- ' Return the light source's transformed coordinate.
- Property Get TransZ() As Single
- TransZ = Location.Trans(3)
- End Property
-
-