This commit is contained in:
Campbell Barton
2011-07-25 14:54:29 +00:00
57 changed files with 10633 additions and 11315 deletions

View File

@@ -779,7 +779,7 @@ static PyObject *Matrix_resize_4x4(MatrixObject *self)
for(blank_columns = (4 - self->col_size); blank_columns > 0; blank_columns--){
self->contigPtr[new_pos + blank_columns] = 0.0f;
}
for(curr_pos = curr_pos; curr_pos >= first_row_elem; curr_pos--){
for( ; curr_pos >= first_row_elem; curr_pos--){
self->contigPtr[new_pos] = self->contigPtr[curr_pos];
new_pos--;
}

View File

@@ -1,4 +1,4 @@
/*
/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
@@ -522,7 +522,7 @@ static PyObject *M_Geometry_intersect_line_plane(PyObject *UNUSED(self), PyObjec
VectorObject *line_a, *line_b, *plane_co, *plane_no;
int no_flip= 0;
float isect[3];
if(!PyArg_ParseTuple(args, "O!O!O!O!|i:intersect_line_line_2d",
if(!PyArg_ParseTuple(args, "O!O!O!O!|i:intersect_line_plane",
&vector_Type, &line_a,
&vector_Type, &line_b,
&vector_Type, &plane_co,
@@ -553,6 +553,157 @@ static PyObject *M_Geometry_intersect_line_plane(PyObject *UNUSED(self), PyObjec
}
}
PyDoc_STRVAR(M_Geometry_intersect_line_sphere_doc,
".. function:: intersect_line_sphere(line_a, line_b, sphere_co, sphere_radius, clip=True)\n"
"\n"
" Takes a lines (as 2 vectors), a sphere as a point and a radius and\n"
" returns the intersection\n"
"\n"
" :arg line_a: First point of the first line\n"
" :type line_a: :class:`mathutils.Vector`\n"
" :arg line_b: Second point of the first line\n"
" :type line_b: :class:`mathutils.Vector`\n"
" :arg sphere_co: The center of the sphere\n"
" :type sphere_co: :class:`mathutils.Vector`\n"
" :arg sphere_radius: Radius of the sphere\n"
" :type sphere_radius: sphere_radius\n"
" :return: The intersection points as a pair of vectors or None when there is no intersection\n"
" :rtype: A tuple pair containing :class:`mathutils.Vector` or None\n"
);
static PyObject *M_Geometry_intersect_line_sphere(PyObject *UNUSED(self), PyObject* args)
{
VectorObject *line_a, *line_b, *sphere_co;
float sphere_radius;
int clip= TRUE;
float isect_a[3];
float isect_b[3];
if(!PyArg_ParseTuple(args, "O!O!O!f|i:intersect_line_sphere",
&vector_Type, &line_a,
&vector_Type, &line_b,
&vector_Type, &sphere_co,
&sphere_radius, &clip)
) {
return NULL;
}
if( BaseMath_ReadCallback(line_a) == -1 ||
BaseMath_ReadCallback(line_b) == -1 ||
BaseMath_ReadCallback(sphere_co) == -1
) {
return NULL;
}
if(ELEM3(2, line_a->size, line_b->size, sphere_co->size)) {
PyErr_SetString(PyExc_RuntimeError, "geometry.intersect_line_sphere(...) can't use 2D Vectors");
return NULL;
}
else {
short use_a= TRUE;
short use_b= TRUE;
float lambda;
PyObject *ret= PyTuple_New(2);
switch(isect_line_sphere_v3(line_a->vec, line_b->vec, sphere_co->vec, sphere_radius, isect_a, isect_b)) {
case 1:
if(!(!clip || (((lambda= line_point_factor_v3(isect_a, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_a= FALSE;
use_b= FALSE;
break;
case 2:
if(!(!clip || (((lambda= line_point_factor_v3(isect_a, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_a= FALSE;
if(!(!clip || (((lambda= line_point_factor_v3(isect_b, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_b= FALSE;
break;
default:
use_a= FALSE;
use_b= FALSE;
}
if(use_a) { PyTuple_SET_ITEM(ret, 0, newVectorObject(isect_a, 3, Py_NEW, NULL)); }
else { PyTuple_SET_ITEM(ret, 0, Py_None); Py_INCREF(Py_None); }
if(use_b) { PyTuple_SET_ITEM(ret, 1, newVectorObject(isect_b, 3, Py_NEW, NULL)); }
else { PyTuple_SET_ITEM(ret, 1, Py_None); Py_INCREF(Py_None); }
return ret;
}
}
/* keep in sync with M_Geometry_intersect_line_sphere */
PyDoc_STRVAR(M_Geometry_intersect_line_sphere_2d_doc,
".. function:: intersect_line_sphere_2d(line_a, line_b, sphere_co, sphere_radius, clip=True)\n"
"\n"
" Takes a lines (as 2 vectors), a sphere as a point and a radius and\n"
" returns the intersection\n"
"\n"
" :arg line_a: First point of the first line\n"
" :type line_a: :class:`mathutils.Vector`\n"
" :arg line_b: Second point of the first line\n"
" :type line_b: :class:`mathutils.Vector`\n"
" :arg sphere_co: The center of the sphere\n"
" :type sphere_co: :class:`mathutils.Vector`\n"
" :arg sphere_radius: Radius of the sphere\n"
" :type sphere_radius: sphere_radius\n"
" :return: The intersection points as a pair of vectors or None when there is no intersection\n"
" :rtype: A tuple pair containing :class:`mathutils.Vector` or None\n"
);
static PyObject *M_Geometry_intersect_line_sphere_2d(PyObject *UNUSED(self), PyObject* args)
{
VectorObject *line_a, *line_b, *sphere_co;
float sphere_radius;
int clip= TRUE;
float isect_a[3];
float isect_b[3];
if(!PyArg_ParseTuple(args, "O!O!O!f|i:intersect_line_sphere_2d",
&vector_Type, &line_a,
&vector_Type, &line_b,
&vector_Type, &sphere_co,
&sphere_radius, &clip)
) {
return NULL;
}
if( BaseMath_ReadCallback(line_a) == -1 ||
BaseMath_ReadCallback(line_b) == -1 ||
BaseMath_ReadCallback(sphere_co) == -1
) {
return NULL;
}
else {
short use_a= TRUE;
short use_b= TRUE;
float lambda;
PyObject *ret= PyTuple_New(2);
switch(isect_line_sphere_v3(line_a->vec, line_b->vec, sphere_co->vec, sphere_radius, isect_a, isect_b)) {
case 1:
if(!(!clip || (((lambda= line_point_factor_v2(isect_a, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_a= FALSE;
use_b= FALSE;
break;
case 2:
if(!(!clip || (((lambda= line_point_factor_v2(isect_a, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_a= FALSE;
if(!(!clip || (((lambda= line_point_factor_v2(isect_b, line_a->vec, line_b->vec)) >= 0.0f) && (lambda <= 1.0f)))) use_b= FALSE;
break;
default:
use_a= FALSE;
use_b= FALSE;
}
if(use_a) { PyTuple_SET_ITEM(ret, 0, newVectorObject(isect_a, 2, Py_NEW, NULL)); }
else { PyTuple_SET_ITEM(ret, 0, Py_None); Py_INCREF(Py_None); }
if(use_b) { PyTuple_SET_ITEM(ret, 1, newVectorObject(isect_b, 2, Py_NEW, NULL)); }
else { PyTuple_SET_ITEM(ret, 1, Py_None); Py_INCREF(Py_None); }
return ret;
}
}
PyDoc_STRVAR(M_Geometry_intersect_point_line_doc,
".. function:: intersect_point_line(pt, line_p1, line_p2)\n"
"\n"
@@ -917,6 +1068,8 @@ static PyMethodDef M_Geometry_methods[]= {
{"intersect_line_line", (PyCFunction) M_Geometry_intersect_line_line, METH_VARARGS, M_Geometry_intersect_line_line_doc},
{"intersect_line_line_2d", (PyCFunction) M_Geometry_intersect_line_line_2d, METH_VARARGS, M_Geometry_intersect_line_line_2d_doc},
{"intersect_line_plane", (PyCFunction) M_Geometry_intersect_line_plane, METH_VARARGS, M_Geometry_intersect_line_plane_doc},
{"intersect_line_sphere", (PyCFunction) M_Geometry_intersect_line_sphere, METH_VARARGS, M_Geometry_intersect_line_sphere_doc},
{"intersect_line_sphere_2d", (PyCFunction) M_Geometry_intersect_line_sphere_2d, METH_VARARGS, M_Geometry_intersect_line_sphere_2d_doc},
{"interpolate_bezier", (PyCFunction) M_Geometry_interpolate_bezier, METH_VARARGS, M_Geometry_interpolate_bezier_doc},
{"area_tri", (PyCFunction) M_Geometry_area_tri, METH_VARARGS, M_Geometry_area_tri_doc},
{"normal", (PyCFunction) M_Geometry_normal, METH_VARARGS, M_Geometry_normal_doc},