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--
-- File: Graphic3d_VertexNT.cdl
-- Created: 27/09/97
-- Author: PCT
-- Modified: 03-02-98 : FMN ; Add Flag Normal
--
---Copyright: MatraDatavision 1997
--
class VertexNT from Graphic3d inherits VertexN from Graphic3d
---Version:
---Purpose: This class allows the creation and update of
-- a vertex with a 3D normal and texture coordinate.
---Keywords: Vertex, Normal, Coordinate, Point, Texture
---Warning:
---References:
uses
Vector from Graphic3d,
Vertex from Graphic3d
is
Create
returns VertexNT from Graphic3d;
---Level: Public
---Purpose: Creates a point with 0.0, 0.0, 0.0 coordinates
-- for which the normal is 0.0, 0.0, 1.0.
-- texture coordinate is 0.0, 0.0.
Create ( AX, AY, AZ : Real from Standard;
ANX, ANY, ANZ : Real from Standard;
ATX : Real from Standard;
ATY : Real from Standard = 0.0;
FlagNormalise : Boolean from Standard = Standard_True )
returns VertexNT from Graphic3d;
---Level: Public
---Purpose: Creates a point with coordinates <AX>, <AY>, <AZ> and
-- for which the normal is <ANX>, <ANY>, <ANZ>,
-- texture coordinate is <ATX>, <ATY>.
-- If <FlagNormalise> is True the normal is already normalised
-- Else the normal is not normalised, the graphic do it.
Create ( APoint : Vertex from Graphic3d;
AVector : Vector from Graphic3d;
ATX : Real from Standard;
ATY : Real from Standard = 0.0;
FlagNormalise : Boolean from Standard = Standard_True )
returns VertexNT from Graphic3d;
---Level: Public
---Purpose: Creates a point in <APoint> for which the normal is <AVector>.
-- <ATX>, <ATY> are texture coordinate.
-- If <FlagNormalise> is True the normal is already normalised
-- Else the normal is not normalised, the graphic do it.
---------------------------------------------------
-- Category: Methods to modify the class definition
---------------------------------------------------
SetTextureCoordinate( me : in out;
ATX : Real from Standard;
ATY : Real from Standard = 0.0)
is static;
---Level: Public
---Purpose: Modifies the texture coordinate to the point <me>.
---Category: Methods to modify the class definition
----------------------------
-- Category: Inquire methods
----------------------------
TextureCoordinate( me;
ATX, ATY : out Real from Standard)
is static;
---Level: Public
---Purpose: Returns the texture coordinate to the point <me>.
---Category: Inquire methods
--
fields
--
-- Class : Graphic3d_VertexNT
--
-- Purpose : Declaration of variables specific to points.
--
-- Reminder : A point is defined by its coordinates and its normal.
-- the texel
MyTX, MyTY : Real from Standard;
end VertexNT;
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