def test01_create_mesh(variant_scalar_rgb):
from mitsuba.core import Struct, float_dtype
from mitsuba.render import Mesh
m = Mesh("MyMesh", 3, 2)
m.vertex_positions_buffer()[:] = [0.0, 0.0, 0.0, 1.0, 0.2, 0.0, 0.2, 1.0, 0.0]
m.faces_buffer()[:] = [0, 1, 2, 1, 2, 0]
m.parameters_changed()
assert str(m) == """Mesh[
def test01_create_mesh(variant_scalar_rgb):
from mitsuba.render import Mesh
m = Mesh("MyMesh", 3, 2)
m.vertex_positions_buffer()[:] = [
0.0, 0.0, 0.0, 1.0, 0.2, 0.0, 0.2, 1.0, 0.0
]
m.faces_buffer()[:] = [0, 1, 2, 1, 2, 0]
m.parameters_changed()
m.surface_area() # Ensure surface area computed
assert str(m) == """Mesh[
def test08_mesh_add_attribute(variant_scalar_rgb):
from mitsuba.core import Struct, float_dtype
from mitsuba.render import Mesh
m = Mesh("MyMesh", 3, 2)
m.vertex_positions_buffer()[:] = [
0.0, 0.0, 0.0, 1.0, 0.2, 0.0, 0.2, 1.0, 0.0
]
m.faces_buffer()[:] = [0, 1, 2, 1, 2, 0]
m.parameters_changed()
m.add_attribute("vertex_color",
3)[:] = [0.0, 1.0, 1.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.0]
assert str(m) == """Mesh[
def create_rectangle():
from mitsuba.render import Mesh
mesh = Mesh("rectangle", 4, 2, has_vertex_texcoords=True)
mesh.vertex_positions_buffer()[:] = [
0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0
]
mesh.vertex_texcoords_buffer()[:] = [
0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0
]
mesh.faces_buffer()[:] = [0, 1, 2, 1, 3, 2]
mesh.parameters_changed()
mesh.add_attribute("vertex_mono", 1, [1.0, 2.0, 3.0, 4.0])
mesh.add_attribute(
"vertex_color", 3,
[0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0])
mesh.add_attribute("face_mono", 1, [0.0, 1.0])
mesh.add_attribute("face_color", 3, [0.0, 0.0, 0.0, 0.0, 0.0, 1.0])
return mesh