3dm_snow.py 文件源码

def bmesh_copy_from_object(obj, transform=True, triangulate=True, apply_modifiers=False):
    assert(obj.type == 'MESH')

    if apply_modifiers and obj.modifiers:
        import bpy
        me = obj.to_mesh(bpy.context.scene, True, 'PREVIEW', calc_tessface=False)
        bm = bmesh.new(); bm.from_mesh(me); bpy.data.meshes.remove(me)
        del bpy
    else:
        me = obj.data
        if obj.mode == 'EDIT': bm_orig = bmesh.from_edit_mesh(me); bm = bm_orig.copy()
        else: bm = bmesh.new(); bm.from_mesh(me)

    if transform: bm.transform(obj.matrix_world)
    if triangulate: bmesh.ops.triangulate(bm, faces=bm.faces)
    return bm