bmesh_py_geometry.c

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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2012 Blender Foundation.
 * All rights reserved.
 */
 
#include <Python.h>
 
#include "BLI_utildefines.h"
 
#include "../mathutils/mathutils.h"
 
#include "bmesh.h"
#include "bmesh_py_geometry.h" /* own include */
#include "bmesh_py_types.h"
 
PyDoc_STRVAR(bpy_bm_geometry_intersect_face_point_doc,
             ".. method:: intersect_face_point(face, point)\n"
             "\n"
             "   Tests if the projection of a point is inside a face (using the face's normal).\n"
             "\n"
             "   :arg face: The face to test.\n"
             "   :type face: :class:`bmesh.types.BMFace`\n"
             "   :arg point: The point to test.\n"
             "   :type point: float triplet\n"
             "   :return: True when the projection of the point is in the face.\n"
             "   :rtype: bool\n");
static PyObject *bpy_bm_geometry_intersect_face_point(BPy_BMFace *UNUSED(self), PyObject *args)
{
  BPy_BMFace *py_face;
  PyObject *py_point;
  float point[3];
  bool ret;
 
  if (!PyArg_ParseTuple(args, "O!O:intersect_face_point", &BPy_BMFace_Type, &py_face, &py_point)) {
    return NULL;
  }
 
  BPY_BM_CHECK_OBJ(py_face);
  if (mathutils_array_parse(point, 3, 3, py_point, "intersect_face_point") == -1) {
    return NULL;
  }
 
  ret = BM_face_point_inside_test(py_face->f, point);
 
  return PyBool_FromLong(ret);
}
 
static struct PyMethodDef BPy_BM_geometry_methods[] = {
    {"intersect_face_point",
     (PyCFunction)bpy_bm_geometry_intersect_face_point,
     METH_VARARGS,
     bpy_bm_geometry_intersect_face_point_doc},
    {NULL, NULL, 0, NULL},
};
 
PyDoc_STRVAR(BPy_BM_utils_doc,
             "This module provides access to bmesh geometry evaluation functions.");
static struct PyModuleDef BPy_BM_geometry_module_def = {
    PyModuleDef_HEAD_INIT,
    "bmesh.geometry",        /* m_name */
    BPy_BM_utils_doc,        /* m_doc */
    0,                       /* m_size */
    BPy_BM_geometry_methods, /* m_methods */
    NULL,                    /* m_reload */
    NULL,                    /* m_traverse */
    NULL,                    /* m_clear */
    NULL,                    /* m_free */
};
 
PyObject *BPyInit_bmesh_geometry(void)
{
  PyObject *submodule;
 
  submodule = PyModule_Create(&BPy_BM_geometry_module_def);
 
  return submodule;
}