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/* $Id$ */
/*
libg3d - 3D object loading library
Copyright (C) 2005-2009 Markus Dahms <mad@automagically.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __G3D_OBJECT_H__
#define __G3D_OBJECT_H__
#include <g3d/types.h>
#ifdef __cplusplus
extern "C" {
#endif /* ifdef __cplusplus */
/**
* SECTION:object
* @short_description: Object manipulation
* @include: g3d/object.h
*
* Objects are parts of a model. In most file formats vertices and faces are
* grouped in some way into objects. Objects can be hierarchical, so what a
* model contains is basically an object tree.
*/
/**
* g3d_object_free:
* @object: the object to free
*
* Frees all memory allocated for that object.
*/
EAPI
void g3d_object_free(G3DObject *object);
/**
* g3d_object_radius:
* @object: the object to measure
*
* Calculates the radius of the object. This is the maximum from the
* center to a vertex.
*
* Returns: the radius of the given object
*/
EAPI
gdouble g3d_object_radius(G3DObject *object);
/**
* g3d_object_scale:
* @object: the object to scale
* @scale: scale factor
*
* Resizes the object by the factor @scale.
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_scale(G3DObject *object, G3DFloat scale);
/**
* g3d_object_transform:
* @object: the object to transform
* @matrix: the transformation matrix
*
* Multiplies all vertices of the object with the transformation matrix.
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_transform(G3DObject *object, G3DMatrix *matrix);
/**
* g3d_object_transform_normals:
* @object: the object to transform
* @matrix: the transformation matrix
*
* Multiplies all normals of the object with the transformation matrix.
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_transform_normals(G3DObject *object, G3DMatrix *matrix);
/**
* g3d_object_duplicate:
* @object: the object to duplicate
*
* Duplicates an object with all vertices, faces and materials.
*
* Returns: the new clone object
*/
EAPI
G3DObject *g3d_object_duplicate(G3DObject *object);
/**
* g3d_object_optimize:
* @object: the object to optimize
*
* Puts all vertex and face information into special arrays for faster
* rendering. It is deprecated and should not be used.
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_optimize(G3DObject *object);
/**
* g3d_object_smooth:
* @object: the object to smooth
*
* FIXME: unimplemented.
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_smooth(G3DObject *object);
/**
* g3d_object_merge:
* @o1: first and target object
* @o2: second object
*
* Merges both objects into @o1.
* FIXME: needs cleanup
*
* Returns: TRUE on success, FALSE else
*/
EAPI
gboolean g3d_object_merge(G3DObject *o1, G3DObject *o2);
#ifdef __cplusplus
}
#endif /* ifdef __cplusplus */
#endif /* __G3D_OBJECT_H__ */
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