def append_mesh(self,
root_path,
name,
mesh_path,
scale=None,
frame=None,
no_cache=None):
"""Append a mesh node to the group.
Arguments:
root_path {str} -- path to the group's root node
name {str} -- node name within a group
mesh_path {str} -- path to the mesh file on disk
Keyword Arguments:
scale {Vec3} -- mesh scale (default: {None})
frame {tuple} -- local frame position and quaternion (default: {None})
no_cache {bool} -- use cache to load a model (default: {None})
"""
mesh = self.loader.loadModel(mesh_path, noCache=no_cache)
if mesh_path.lower().endswith('.dae'):
# converting from Y-up to Z-up axes when import from dae
mesh.set_mat(Mat4.yToZUpMat())
if scale is not None:
mesh.set_scale(Vec3(*scale))
if sum([s < 0 for s in scale]) % 2 != 0:
# reverse the cull order in case of negative scale values
mesh.set_attrib(CullFaceAttrib.make_reverse())
self.append_node(root_path, name, mesh, frame)
