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- #python
-
- import k3d
-
- doc = Document
- doc.start_change_set()
- try:
- frozen_mesh = doc.new_node("FrozenMesh")
- frozen_mesh.name = "Blobby"
-
- mesh = k3d.dynamic_cast(frozen_mesh, "imesh_storage").reset_mesh()
-
- blobbies = mesh.create_blobbies()
- first_primitives = blobbies.create_first_primitives()
- primitive_counts = blobbies.create_primitive_counts()
- first_operators = blobbies.create_first_operators()
- operator_counts = blobbies.create_operator_counts()
- materials = blobbies.create_materials()
- primitives = blobbies.create_primitives()
- primitive_first_floats = blobbies.create_primitive_first_floats()
- primitive_float_counts = blobbies.create_primitive_float_counts()
- floats = blobbies.create_floats()
- Cs = blobbies.writable_varying_data().create_array("Cs", "k3d::color")
- operators = blobbies.create_operators()
- operator_first_operands = blobbies.create_operator_first_operands()
- operator_operand_counts = blobbies.create_operator_operand_counts()
- operands = blobbies.create_operands()
-
- ellipsoids = [k3d.point3(-1, 0, 1), k3d.point3(1, 0, 1), k3d.point3(1, 0, -1), k3d.point3(-1, 0, -1)]
-
- first_primitives.append(len(primitives))
- primitive_counts.append(len(ellipsoids) + 1)
- first_operators.append(len(operators))
- operator_counts.append(1)
- materials.append(k3d.dynamic_cast(Document.get_node("Material"), "imaterial"))
-
- for center in ellipsoids:
- primitives.append(k3d.primitive_type.ellipsoid)
- primitive_first_floats.append(len(floats))
- primitive_float_counts.append(16)
- for i in (k3d.translate3(center) * k3d.scale3(1, 1, 1)).column_major_list():
- floats.append(i)
-
- primitives.append(k3d.primitive_type.segment)
- primitive_first_floats.append(len(floats))
- primitive_float_counts.append(23)
- floats.append(-1)
- floats.append(0)
- floats.append(0)
- floats.append(1)
- floats.append(0)
- floats.append(0)
- floats.append(1)
- for i in k3d.identity3().column_major_list():
- floats.append(i)
-
- Cs.assign([k3d.color(1, 0, 0), k3d.color(0, 1, 0), k3d.color(0, 0, 1), k3d.color(1, 1, 0), k3d.color(1, 1, 1)])
-
- operators.append(k3d.operator_type.add)
- operator_first_operands.append(len(operands))
- operator_operand_counts.append(6)
- operands.assign([5, 0, 1, 2, 3, 4])
-
- mesh_instance = doc.new_node("MeshInstance")
- mesh_instance.name = "Blobby Instance"
- mesh_instance.gl_painter = doc.get_node("GL Default Painter")
- mesh_instance.ri_painter = doc.get_node("RenderMan Default Painter")
- doc.set_dependency(mesh_instance.get_property("input_mesh"), frozen_mesh.get_property("output_mesh"))
-
- doc.finish_change_set("Create Test Blobby")
-
- k3d.ui().message("Note: not all RenderMan engines can render blobby geometry!")
-
- except:
- doc.cancel_change_set()
- raise
-
-