ScEng::PolyMesh Class Reference

This class describes a Mesh which all his faces are polygons. More...

#include <polymesh.h>

List of all members.

Public Types
enum	FLAGS { , USER = (1<<16) }
Public Member Functions
	PolyMesh ()
	Constructor.
	PolyMesh (TriMesh *tri_mesh)
void	SetNumVerts (int nv)
int	GetNumVerts ()
	Returns the number of verts.
void	SetVertPosition (int i_v, float x, float y, float z)
void	SetVertPosition (int i_v, GMT::Point3F v)
void	SetVert (int i_v, Vert new_vert)
Vert	GetVert (int i_v)
GMT::Point3F	GetVertPosition (int i_v)
void	SetNumFaces (int nf)
int	GetNumFaces ()
	Returns the number of faces.
void	SetFaceVert (int face, int vertex_index, int vertex)
void	SetFaceDeg (int face, int deg)
int	GetFaceVert (int face, int vertex_index)
	Returns one vertex of the specified face.
int	GetFaceDeg (int face)
	Returns the deg for the specified face.
bool	GetFaceFlag (int face, DWORD flag)
	Returns the state of a flag for the specified face.
void	SetFaceFlag (int face, DWORD flag)
	Sets a the state of a flag for the specified face.
void	ReplaceFaceVert (int face, int v1, int v2)
	Replaces one vert for the other in the specified face.
void	SetFaceSmoothigGroup (int face, unsigned int sg)
	Sets the smoothing group for a specific face.
unsigned int	GetFaceSmoothingGroup (int face)
	Returns the smoothing group for a specific face.
void	SetFaceMaterialID (int face, unsigned short mat_id)
	Sets the material ID for a specific face.
unsigned short	GetFaceMaterialID (int face)
	Returns the material ID for a specific face.
void	SetNumTVerts (int i_m, int nv)
	Sets the number of tverts.
int	GetNumTVerts (int i_m)
	Returns the number of tverts.
GMT::Point3F	GetTVertPosition (int i_m, int i_v)
	Returns the position of an specific tvert.
Vert	GetTVert (int i_m, int i_v)
	Returns a specific tvert.
void	SetTVert (int i_m, int i_v, float u, float v, float w)
	Sets a tvert.
void	SetTVert (int i_m, int i_v, GMT::Point3F tv)
	Sets a tvert.
void	SetNumTFaces (int i_m, int nf)
	Sets the number of tfaces.
int	GetNumTFaces (int i_m)
	Returns the number of tfaces.
void	SetNumUVWMeshes (int new_num_uvm)
	Sets the number of UVWMeshes.
int	GetNumUVWMeshes ()
	Gets the number of UVWMeshes.
void	SetNumNormals (int nn)
	Sets the number of normals.
int	GetNumNormals ()
	Returns the number of normals.
void	SetNumNormalFaces ()
	Sets the number of normal faces.
int	GetNumNormalFaces ()
	Returns the number of normal faces.
int	GetNormalFaceIndex (int face, int n)
	Returns the normal index for the normal face.
void	SetNormalFace (int i_f, int i_v, int id)
	Sets the info for a normal face.
void	SetNormal (int id, float x, float y, float z)
	Sets a normal.
void	SetNormal (int id, GMT::Point3F n)
	Sets a normal.
GMT::Point3F	GetNormal (int index)
	Returns the specified normal.
bool	DoesMapChannelExist (int ch)
void	TriangulatePolygons ()
	Sets the info for the polygon triangulation.
TriMesh *	GetTriMesh ()
	Returns a TriMesh.
void	DeleteFaces (std::vector< bool > faces_to_delete)
	Deletes the specified faces.
int	AppendVerts (std::vector< GMT::Point3F > new_verts)
	Append new verts.
void	DetachFaces ()
	Detach the selected faces.
void	DeleteThis ()
	Deletes this class and all its members.
int	Save (SceneSave *scene_save)
	Saves the info for this class.
int	Load (SceneLoad *scene_load)
	Loads the info for this class.
Public Attributes
int	num_verts
	The number of verts for this mesh.
int	num_faces
	The number of faces for this mesh.
int	use_smoothing_groups
	Please add comments here.
std::vector< PolyUVWMesh * >	uvw_meshes
Vert *	verts
	The array to store the vertex info.
PolyFace *	faces
	The array to store the faces info.
int	num_normals
	The number of normals for this mesh.
GMT::Point3F *	normals
	The array to store the normals info.
int	num_normal_faces
	The size of the array of normal faces. This must be the same as the number of faces, if not, the normals should be rebuilt.
Poly *	normal_faces
	The array to store the normal faces info.

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Detailed Description

This class describes a Mesh which all his faces are polygons.

Please add comments here

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Member Enumeration Documentation

enum ScEng::PolyMesh::FLAGS

Enum FLAGS Enum all the possible states for this PolyMesh

Enumerator:

USER	User flags

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Constructor & Destructor Documentation

ScEng::PolyMesh::PolyMesh

(

TriMesh *

tri_mesh

)

Constructor Creates a PolyMesh using the given TriMesh

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Member Function Documentation

void ScEng::PolyMesh::SetNumVerts

(

int

nv

)

Sets the number of verts Deletes the current vertex info, sets the number of verts and allocates the memory for the verts array.

Parameters:

nv

the new number of verts

void ScEng::PolyMesh::SetVertPosition	(	int	i_v,
		float	x,
		float	y,
		float	z
	)

Sets the position for a vert

Parameters:

	i_v	the index for the vert
	x	the x position for the vert
	y	the y position for the vert
	z	the z position for the vert

See also:

SetVertPosition( int i_v, GMT::Point3F v ), SetVert(int i_v, Vert new_vert)

void ScEng::PolyMesh::SetVertPosition	(	int	i_v,
		GMT::Point3F	v
	)

Sets the position for a vert

Parameters:

	i_v	the index for the vert
	v	the position of the vert

See also:

SetVertPosition(int i_v,float x,float y,float z), SetVert(int i_v, Vert new_vert)

void ScEng::PolyMesh::SetVert	(	int	i_v,
		Vert	new_vert
	)

Sets a vert

Parameters:

	i_v	the index for the vert
	new_vert	the new Vert to be set

Vert ScEng::PolyMesh::GetVert

(

int

i_v

)

Returns the specified vert

Parameters:

i_v

the index for the vertex

Returns:

Returns the specified Vert

GMT::Point3F ScEng::PolyMesh::GetVertPosition

(

int

i_v

)

Returns the position of the specified vert

Parameters:

i_v

the index for the vertex

Returns:

The position of the vert

void ScEng::PolyMesh::SetNumFaces

(

int

nf

)

Sets the number of faces Deletes the current faces info, sets the number of faces and allocates the memory for the faces array.

Parameters:

nf

the new number of faces

void ScEng::PolyMesh::SetFaceVert	(	int	face,
		int	vertex_index,
		int	vertex
	)

Sets one vertex for the specified face

Parameters:

	face	the index for the face
	vertex_index	the id for one of the verts in the verts array of the face
	vertex_index	the id for one of the verts in the verts array of the mesh

void ScEng::PolyMesh::SetFaceDeg	(	int	face,
		int	deg
	)

Sets the deg for the specified face

Parameters:

	face	the index for the face
	deg	the degree for the face

int ScEng::PolyMesh::GetFaceVert	(	int	face,
		int	vertex_index
	)

Returns one vertex of the specified face.

Parameters:

	face	the index for the face
	vertex_index	the id for one of the verts in the verts array of the face

int ScEng::PolyMesh::GetFaceDeg

(

int

face

)

Returns the deg for the specified face.

Parameters:

face

the index for the face

void ScEng::PolyMesh::SetNumTVerts	(	int	i_m,
		int	nv
	)

Sets the number of tverts.

Sets the number of tverts for the specified PolyUVWMesh

Parameters:

	i_m	the index for the PolyUVWMesh
	nv	the number of vertex to be set

See also:

PolyUVWMesh::SetNumTVerts(int n_tv)

int ScEng::PolyMesh::GetNumTVerts

(

int

i_m

)

Returns the number of tverts.

Parameters:

i_m

The index for the PolyUVWMesh

Returns:

Returns the number of tverts for the specified PolyUVWMesh

GMT::Point3F ScEng::PolyMesh::GetTVertPosition	(	int	i_m,
		int	i_v
	)

Returns the position of an specific tvert.

Parameters:

	i_m	the index for the PolyUVWMesh
	i_v	the index for the tvert

Returns:

Returns the position for the specified tvert

See also:

GetTVert( int i_m, int i_v )

void ScEng::PolyMesh::SetTVert	(	int	i_m,
		int	i_v,
		float	u,
		float	v,
		float	w
	)

Sets a tvert.

Parameters:

	i_m	the index for the PolyUVWMesh
	i_v	the index for the tvert
	u	the u value for the tvert
	v	the v value for the tvert
	w	the w value for the tvert

See also:

SetTVert( int i_m, int i_v, GMT::Point3F tv )

void ScEng::PolyMesh::SetTVert	(	int	i_m,
		int	i_v,
		GMT::Point3F	tv
	)

Sets a tvert.

Parameters:

	i_m	the index for the PolyUVWMesh
	i_v	the index for the tvert
	tv	the uvw values for the tvert

void ScEng::PolyMesh::SetNumTFaces	(	int	i_m,
		int	nf
	)

Sets the number of tfaces.

Sets the number of tfaces for the specified PolyUVWMesh.

Parameters:

	i_m	the index for the PolyUVWMesh
	nf	the number of tfaces

int ScEng::PolyMesh::GetNumTFaces

(

int

i_m

)

Returns the number of tfaces.

Parameters:

i_m

the index of the PolyUVWMesh

Returns:

Returns the number of faces for the specified PolyUVWMesh

void ScEng::PolyMesh::SetNumUVWMeshes

(

int

new_num_uvm

)

Sets the number of UVWMeshes.

Resizes the UVW mesh channels. If the new number of channels is greater than the old number of channels, this method creates the new channels. If the new number of channels is less than the old number of channels this method deletes the old channels that are not needed.

Parameters:

new_num_uvm

the new number of UVWMeshes

int ScEng::PolyMesh::GetNumUVWMeshes

(

)

Gets the number of UVWMeshes.

Returns the number of UVW channels.

void ScEng::PolyMesh::SetNumNormals

(

int

nn

)

Sets the number of normals.

Deletes the current normals info, sets the number of normals and allocates the memory for the normals array.

Parameters:

nn

the new number of normals

void ScEng::PolyMesh::SetNumNormalFaces

(

)

Sets the number of normal faces.

Deletes the current normal faces info, sets the number of normal faces and allocates the memory for the normal faces array.

void ScEng::PolyMesh::SetNormalFace	(	int	i_f,
		int	i_v,
		int	id
	)

Sets the info for a normal face.

Parameters:

	i_f	the index for the normal face
	i_v	the index for the vertex in the normal faces's verts array
	id	the index for the vertex in the PolyMesh's verts array

void ScEng::PolyMesh::SetNormal	(	int	id,
		float	x,
		float	y,
		float	z
	)

Sets a normal.

Parameters:

	id	the index for the normal
	x	the x value for the normal
	y	the y value for the normal
	z	the z value for the normal

See also:

SetNormal( int id, GMT::Point3F n )

void ScEng::PolyMesh::SetNormal	(	int	id,
		GMT::Point3F	n
	)

Sets a normal.

Parameters:

	id	the index for the normal
	n	the normal vector

See also:

SetNormal( int id, float x, float y, float z )

bool ScEng::PolyMesh::DoesMapChannelExist

(

int

ch

)

Does this mapping channel exist? Returns true is the mapping channel exists.

Parameters:

ch

Specifies the uvw channel

void ScEng::PolyMesh::TriangulatePolygons

(

)

Sets the info for the polygon triangulation.

Please add comments here

TriMesh * ScEng::PolyMesh::GetTriMesh

(

)

Returns a TriMesh.

Using the triangulation info, this function creates a triangular mesh an return it.

void ScEng::PolyMesh::DeleteFaces

(

std::vector< bool >

faces_to_delete

)

Deletes the specified faces.

Parameters:

faces_to_delete

the array with the faces to be deleted.

int ScEng::PolyMesh::AppendVerts

(

std::vector< GMT::Point3F >

new_verts

)

Append new verts.

Parameters:

new_verts

the verts to be appended

Returns:

Return the index for the first vertex appended

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Member Data Documentation

std::vector<PolyUVWMesh*> ScEng::PolyMesh::uvw_meshes

An array to hold the info for the UVW coords for this mesh Please add comments here

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The documentation for this class was generated from the following files:

• C:/SceneEngine/SourceForge/SceneEngine/ScEngLibs/include/ScEng/polymesh.h
• C:/SceneEngine/SourceForge/SceneEngine/ScEngLibs/src/mesh/polymesh.cpp

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