def test_transform_to_parent(self):
basis = asr.Basis3f(
asr.Vector3f(1.0, 0.0, 0.0), # normal
asr.Vector3f(0.0, 0.0, 1.0), # u
asr.Vector3f(0.0, 1.0, 0.0)) # v
v = basis.transform_to_parent(asr.Vector3f(3.0, 1.0, 2.0))
self.assertEqual(asr.Vector3f(1.0, 2.0, 3.0), v)
def __set_mesh_key(self, me, key_index):
pose = key_index - 1
# Vertices.
for i, v in enumerate(me.vertices):
self.__mesh_object.set_vertex_pose(i, pose, asr.Vector3f(v.co[0], v.co[1], v.co[2]))
# Normals.
if self.bl_obj.data.appleseed.export_normals:
me.calc_normals_split()
loops = me.loops
normal_index = 0
for f in me.polygons:
loop = f.loop_indices
for i in range(0, 3):
n = loops[f.loop_indices[i]].normal
self.__mesh_object.set_vertex_normal_pose(normal_index, pose, asr.Vector3f(n[0], n[1], n[2]))
normal_index += 1
def __convert_mesh(self, me):
# Material slots.
material_slots = self.bl_obj.material_slots
self.__mesh_object.reserve_material_slots(len(material_slots))
if len(material_slots) > 1:
for i, m in enumerate(material_slots):
self.__mesh_object.push_material_slot("slot-%s" % i)
else:
self.__mesh_object.push_material_slot("default")
# Vertices
self.__mesh_object.reserve_vertices(len(me.vertices))
for v in me.vertices:
self.__mesh_object.push_vertex(asr.Vector3f(v.co[0], v.co[1], v.co[2]))
# Faces.
self.__mesh_object.reserve_triangles(len(me.polygons))
for f in me.polygons:
assert (len(f.vertices) == 3)
tri = asr.Triangle(
f.vertices[0],
f.vertices[1],
f.vertices[2],
f.material_index)
self.__mesh_object.push_triangle(tri)
loops = me.loops
# UVs.
if self.bl_obj.data.appleseed.export_uvs and len(me.uv_textures) > 0:
uv_texture = me.uv_textures.active.data[:]
uv_layer = me.uv_layers.active.data[:]
self.__mesh_object.reserve_tex_coords(len(me.polygons) * 3)
uv_index = 0
for i, f in enumerate(me.polygons):
loop = f.loop_indices
tri = self.__mesh_object.get_triangle(i)
uv = uv_layer[f.loop_indices[0]].uv
self.__mesh_object.push_tex_coords(asr.Vector2f(uv[0], uv[1]))
tri.m_a0 = uv_index
uv_index += 1
uv = uv_layer[f.loop_indices[1]].uv
self.__mesh_object.push_tex_coords(asr.Vector2f(uv[0], uv[1]))
tri.m_a1 = uv_index
uv_index += 1
uv = uv_layer[f.loop_indices[2]].uv
self.__mesh_object.push_tex_coords(asr.Vector2f(uv[0], uv[1]))
tri.m_a2 = uv_index
uv_index += 1
# Normals.
if self.bl_obj.data.appleseed.export_normals:
me.calc_normals_split()
self.__mesh_object.reserve_vertex_normals(len(me.polygons) * 3)
normal_index = 0
for i, f in enumerate(me.polygons):
loop = f.loop_indices
tri = self.__mesh_object.get_triangle(i)
n = loops[f.loop_indices[0]].normal
self.__mesh_object.push_vertex_normal(asr.Vector3f(n[0], n[1], n[2]))
tri.m_n0 = normal_index
normal_index += 1
n = loops[f.loop_indices[1]].normal
self.__mesh_object.push_vertex_normal(asr.Vector3f(n[0], n[1], n[2]))
tri.m_n1 = normal_index
normal_index += 1
n = loops[f.loop_indices[2]].normal
self.__mesh_object.push_vertex_normal(asr.Vector3f(n[0], n[1], n[2]))
tri.m_n2 = normal_index
normal_index += 1