From 9b758508df283a533a4cfc605545a35f77bc9d5f Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Mon, 13 Jun 2011 00:16:27 -0600 Subject: Use Cython for the Python module. --- libdimension-python/PerspectiveCamera.c | 111 -------------------------------- 1 file changed, 111 deletions(-) delete mode 100644 libdimension-python/PerspectiveCamera.c (limited to 'libdimension-python/PerspectiveCamera.c') diff --git a/libdimension-python/PerspectiveCamera.c b/libdimension-python/PerspectiveCamera.c deleted file mode 100644 index f144498..0000000 --- a/libdimension-python/PerspectiveCamera.c +++ /dev/null @@ -1,111 +0,0 @@ -/************************************************************************* - * Copyright (C) 2009-2011 Tavian Barnes * - * * - * 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 * - * . * - *************************************************************************/ - -#include "dimension-python.h" - -static int -dmnsn_py_PerspectiveCamera_init(dmnsn_py_PerspectiveCamera *self, - PyObject *args, PyObject *kwds) -{ - if (dmnsn_py_CameraType.tp_init((PyObject *)self, NULL, NULL) < 0) - return -1; - - static char *kwlist[] = { "location", "look_at", NULL }; - - dmnsn_vector location, look_at; - if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&", kwlist, - &dmnsn_py_VectorParse, &location, - &dmnsn_py_VectorParse, &look_at)) - return -1; - - self->location = location; - self->look_at = look_at; - - dmnsn_delete_camera(self->base.camera); - self->base.camera = dmnsn_new_perspective_camera(); - DMNSN_INCREF(self->base.camera); - return 0; -} - -static PyObject * -dmnsn_py_PerspectiveCamera_initialize(dmnsn_py_PerspectiveCamera *self) -{ - dmnsn_vector look_at = dmnsn_vector_sub(self->look_at, self->location); - - /* Align the camera with the look_at point */ - - dmnsn_vector right = dmnsn_x; - dmnsn_vector up = dmnsn_y; - dmnsn_vector forward = dmnsn_z; - - dmnsn_vector theta = dmnsn_vector_mul( - dmnsn_vector_axis_angle(forward, look_at, up), - up - ); - dmnsn_matrix align = dmnsn_rotation_matrix(theta); - - right = dmnsn_transform_vector(align, right); - forward = dmnsn_transform_vector(align, forward); - - theta = dmnsn_vector_mul( - dmnsn_vector_axis_angle(forward, look_at, right), - right - ); - align = dmnsn_matrix_mul(dmnsn_rotation_matrix(theta), align); - - /* Translate the camera to the location */ - dmnsn_matrix move = dmnsn_translation_matrix(self->location); - - dmnsn_matrix trans = dmnsn_matrix_mul(move, align); - self->base.camera->trans = dmnsn_matrix_mul(self->base.camera->trans, - trans); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyMethodDef dmnsn_py_PerspectiveCamera_methods[] = { - { "initialize", (PyCFunction)dmnsn_py_PerspectiveCamera_initialize, - METH_NOARGS, "Initialize a perspective camera" }, - { NULL } -}; - -static PyGetSetDef dmnsn_py_PerspectiveCamera_getsetters[] = { - { NULL } -}; - -PyTypeObject dmnsn_py_PerspectiveCameraType = { - PyVarObject_HEAD_INIT(NULL, 0) - .tp_name = "dimension.PerspectiveCamera", - .tp_basicsize = sizeof(dmnsn_py_PerspectiveCamera), - .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, - .tp_doc = "Dimension perspective camera", - .tp_methods = dmnsn_py_PerspectiveCamera_methods, - .tp_getset = dmnsn_py_PerspectiveCamera_getsetters, - .tp_init = (initproc)dmnsn_py_PerspectiveCamera_init, - .tp_base = &dmnsn_py_CameraType, -}; - -bool -dmnsn_py_init_PerspectiveCameraType(void) -{ - dmnsn_py_PerspectiveCameraType.tp_new = PyType_GenericNew; - return PyType_Ready(&dmnsn_py_PerspectiveCameraType) >= 0; -} -- cgit v1.2.3