FGFS-4.1/OpenSceneGraph
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Converted osg::LOD from used n+1 successive ranges to n min/max ranges,

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one min/max pair per child. Converted the rest of the OSG to use the new
osg::LOD node.
This commit is contained in:
Robert Osfield
2002-10-06 20:33:13 +00:00
parent 84332f5b77
commit 70861ef70e
19 changed files with 240 additions and 195 deletions
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13
include/osg/NodeVisitor
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@@ -184,11 +184,20 @@ class SG_EXPORT NodeVisitor : public Referenced
const NodePath& getNodePath() const { return _nodePath; }
/** Get the Local To World Matrix from the NodePath for specified Transform::Mode, and u.*/
bool getLocalToWorldMatrix(Matrix& matrix, Node* node);
virtual bool getLocalToWorldMatrix(Matrix& matrix, Node* node);
/** Get the World To Local Matrix from the NodePath for specified Transform::Mode.*/
bool getWorldToLocalMatrix(Matrix& matrix, Node* node);
virtual bool getWorldToLocalMatrix(Matrix& matrix, Node* node);
/** Get the distance from a point to the eye point, distance value in local coordinate system.
* Note, not all NodeVisitor implement this method, it is mainly cull visitors which will implement.
* If the getDistianceFromEyePoint(pos) is not implmented than a default value of 0.0 is returned.*/
virtual float getDistanceToEyePoint(const Vec3& /*pos*/, bool /*useLODBias*/) const { return 0.0f; }
/** Get the distance of a point from the eye point, distance value in the eye coordinate system.
* Note, not all NodeVisitor implement this method, it is mainly cull visitors which will implement.
* If the getDistianceFromEyePoint(pos) is not implmented than a default value of 0.0 is returned.*/
virtual float getDistanceFromEyePoint(const Vec3& /*pos*/, bool /*useLODBias*/) const { return 0.0f; }
virtual void apply(Node& node) { traverse(node);}