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# The Original Code is the Python Computer Graphics Kit.
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# The Initial Developer of the Original Code is Matthias Baas.
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# $Id: iworldobject.py,v 1.1.1.1 2004/12/12 14:31:43 mbaas Exp $
from protocols import Interface
from icomponent import IComponent
class IWorldObject(IComponent):
"""The world object protocol.
A world object must have the following attributes:
- geom (\c IGeomObject)
- transform (\c mat4)
- transform_slot (\c Mat4Slot)
- pos (\c vec3)
- pos_slot (\c Vec3Slot)
"""
def lenChilds(self):
"""Return the number of children world objects."""
def iterChilds(self):
"""Return an iterator that iterates over all children.
\return Iterator
"""
def addChild(self, child):
"""Add another world object as children object.
\param child (\c IWorldObject)
"""
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