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Added asSwitch and asGeode convinience methods to Node

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Robert Osfield
2008-12-09 09:24:47 +00:00
parent 45160a2129
commit 6b3704ce09
3 changed files with 24 additions and 0 deletions
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18
include/osg/Node
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@@ -29,6 +29,8 @@ class NodeVisitor;
class Group;
class Transform;
class Node;
class Switch;
class Geode;
/** A vector of Nodes pointers which is used to describe the path from a root node to a descendant.*/
typedef std::vector< Node* > NodePath;
@@ -96,6 +98,22 @@ class OSG_EXPORT Node : public Object
* Equivalent to dynamic_cast<const Transform*>(this).*/
virtual const Transform* asTransform() const { return 0; }
/** Convert 'this' into a Switch pointer if Node is a Switch, otherwise return 0.
* Equivalent to dynamic_cast<Switch*>(this).*/
virtual Switch* asSwitch() { return 0; }
/** convert 'const this' into a const Switch pointer if Node is a Switch, otherwise return 0.
* Equivalent to dynamic_cast<const Switch*>(this).*/
virtual const Switch* asSwitch() const { return 0; }
/** Convert 'this' into a Geode pointer if Node is a Geode, otherwise return 0.
* Equivalent to dynamic_cast<Geode*>(this).*/
virtual Geode* asGeode() { return 0; }
/** convert 'const this' into a const Geode pointer if Node is a Geode, otherwise return 0.
* Equivalent to dynamic_cast<const Geode*>(this).*/
virtual const Geode* asGeode() const { return 0; }
/** Visitor Pattern : calls the apply method of a NodeVisitor with this node's type.*/
virtual void accept(NodeVisitor& nv);
/** Traverse upwards : calls parents' accept method with NodeVisitor.*/