osg.Callback¶

class osg.Callback¶

Represents:	c++ class
Wraps:	osg::Callback
Bases:	osg.Object

Base class for all Scene Graph callbacks.

Constructors:

osg.Callback(luafunction__ f)¶

Construct callback from Lua function.

Parameters:	f (luafunction) – Callback function with signature: function(osg.Object object, osg.Object data) -> bool Function will be called on osg.Callback.run() automatically.

Methods:

:traverse(osg.Object object, osg.Object data)¶

Traverse the nested callbacks or call osg.NodeVisitor.traverse() if the object is osg.Node, and data is osg.NodeVisitor.

Parameters:	object (osg.Object) – The Object that the callback is attached to. data (osg.Object) – The data, is typically the osg.NodeVisitor that is invoking the callback
Return type:	bool

:run(osg.Object object, osg.Object data)¶

Invoke the callback.

Parameters:	object (osg.Object) – The Object that the callback is attached to. data (osg.Object) – The data, is typically the osg.NodeVisitor that is invoking the callback
Return type:	bool

:getNestedCallback()¶

Get nested callback if exists, otherwise return nil.

Return type:	osg.Callback

:asCallback()¶

Return type:	osg.Callback

:asStateAttributeCallback()¶

Return type:	osg.StateAttributeCallback

:asNodeCallback()¶

Return type:	osg.NodeCallback

:asUniformCallback()¶

Return type:	osg.UniformCallback