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/*************************************************************************
* Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Python Module. *
* *
* The Dimension Python Module 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 *
* 3 of the License, or (at your option) any later version. *
* *
* The Dimension Python Module 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "dimension-python.h"
static int
dmnsn_py_Sphere_init(dmnsn_py_Sphere *self, PyObject *args, PyObject *kwds)
{
if (dmnsn_py_ObjectType.tp_init((PyObject *)self, NULL, NULL) < 0)
return -1;
static char *kwlist[] = { "radius", "center", NULL };
if (!PyArg_ParseTupleAndKeywords(args, kwds, "dO&", kwlist,
&self->radius,
&dmnsn_py_VectorParse, &self->center))
return -1;
dmnsn_delete_object(self->base.object);
self->base.object = dmnsn_new_sphere();
DMNSN_INCREF(self->base.object);
return 0;
}
static PyObject *
dmnsn_py_Sphere_initialize(dmnsn_py_Sphere *self)
{
dmnsn_matrix trans = dmnsn_scale_matrix(
dmnsn_new_vector(self->radius, self->radius, self->radius)
);
trans = dmnsn_matrix_mul(dmnsn_translation_matrix(self->center), trans);
dmnsn_object *object = self->base.object;
object->trans = dmnsn_matrix_mul(object->trans, trans);
dmnsn_texture *texture = object->texture;
if (texture) {
dmnsn_matrix trans_inv = dmnsn_matrix_inverse(trans);
texture->trans = dmnsn_matrix_mul(trans_inv, texture->trans);
}
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef dmnsn_py_Sphere_methods[] = {
{ "initialize", (PyCFunction)dmnsn_py_Sphere_initialize, METH_NOARGS,
"Initialize an sphere" },
{ NULL }
};
static PyGetSetDef dmnsn_py_Sphere_getsetters[] = {
{ NULL }
};
PyTypeObject dmnsn_py_SphereType = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "dimension.Sphere",
.tp_basicsize = sizeof(dmnsn_py_Sphere),
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
.tp_doc = "Dimension sphere",
.tp_methods = dmnsn_py_Sphere_methods,
.tp_getset = dmnsn_py_Sphere_getsetters,
.tp_init = (initproc)dmnsn_py_Sphere_init,
.tp_base = &dmnsn_py_ObjectType,
};
bool
dmnsn_py_init_SphereType(void)
{
dmnsn_py_SphereType.tp_new = PyType_GenericNew;
return PyType_Ready(&dmnsn_py_SphereType) >= 0;
}
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