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Added ViewPoint support into NodeVistor/CullStack/CullVisitor/LOD/PagedLOD etc to facilate

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management of LOD settings for RTT cameras.
This commit is contained in:
Robert Osfield
2006-12-15 17:27:18 +00:00
parent d88b996df1
commit 982a4db9e2
13 changed files with 116 additions and 79 deletions
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10
include/osg/NodeVisitor
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@@ -207,6 +207,10 @@ class OSG_EXPORT NodeVisitor : public virtual Referenced
* Note, not all NodeVisitor implement this method, it is mainly cull visitors which will implement.*/
virtual osg::Vec3 getEyePoint() const { return Vec3(0.0f,0.0f,0.0f); }
/** Get the view point in local coordinates.
* Note, not all NodeVisitor implement this method, it is mainly cull visitors which will implement.*/
virtual osg::Vec3 getViewPoint() const { return getEyePoint(); }
/** 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 getDistanceFromEyePoint(pos) is not implemented then a default value of 0.0 is returned.*/
@@ -217,6 +221,12 @@ class OSG_EXPORT NodeVisitor : public virtual Referenced
* If the getDistanceFromEyePoint(pos) is not implemented than a default value of 0.0 is returned.*/
virtual float getDistanceFromEyePoint(const Vec3& /*pos*/, bool /*useLODScale*/) const { return 0.0f; }
/** Get the distance from a point to the view point, distance value in local coordinate system.
* Note, not all NodeVisitor implement this method, it is mainly cull visitors which will implement.
* If the getDistanceToViewPoint(pos) is not implemented then a default value of 0.0 is returned.*/
virtual float getDistanceToViewPoint(const Vec3& /*pos*/, bool /*useLODScale*/) const { return 0.0f; }
virtual void apply(Node& node) { traverse(node);}
virtual void apply(Geode& node) { apply((Node&)node); }