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David Rose 2001-03-06 23:55:39 +00:00
parent 50d8cb9244
commit c60ab78e2e
3 changed files with 43 additions and 32 deletions
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5
panda/src/sgraphutil/Sources.pp
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@ -10,8 +10,9 @@
#define SOURCES \
appTraverser.I appTraverser.cxx appTraverser.h \
config_sgraphutil.cxx config_sgraphutil.h directRenderTraverser.I \
directRenderTraverser.cxx directRenderTraverser.h get_rel_pos.I \
get_rel_pos.cxx get_rel_pos.h sceneGraphAnalyzer.cxx \
directRenderTraverser.cxx directRenderTraverser.h \
frustumCullTraverser.I frustumCullTraverser.h \
get_rel_pos.I get_rel_pos.cxx get_rel_pos.h sceneGraphAnalyzer.cxx \
sceneGraphAnalyzer.h sceneGraphReducer.I sceneGraphReducer.cxx \
sceneGraphReducer.h

19
panda/src/sgraphutil/frustumCullTraverser.I
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@ -3,13 +3,6 @@
//
////////////////////////////////////////////////////////////////////
#include "frustumCullTraverser.h"
#include "config_sgraphutil.h"
#include <notify.h>
#include <nodeTransitionWrapper.h>
#include <transformTransition.h>
#include <wrt.h>
////////////////////////////////////////////////////////////////////
// Function: FrustumCullTraverser::Constructor
@ -148,7 +141,16 @@ traverse(NodeRelation *arc, AttributeWrapper render_state,
}
}
if (carry_on &&
if (carry_on) {
if (arc->has_transition(BillboardTransition::get_class_type())) {
// We can't reliably cull within a billboard, because the
// geometry might get rotated out of its bounding volume.
// So once we get within a billboard, we consider it all
// visible.
all_in = true;
}
if (!all_in &&
arc->has_transition(TransformTransition::get_class_type())) {
// Now apply the transform associated with this arc. We do
// this after the bounding volume test, because the bounding
@ -179,6 +181,7 @@ traverse(NodeRelation *arc, AttributeWrapper render_state,
}
}
}
}
if (carry_on) {
// Now give the visitor a chance to veto this arc.

7
panda/src/sgraphutil/frustumCullTraverser.h
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@ -14,6 +14,13 @@
#include <geometricBoundingVolume.h>
#include <graphicsStateGuardian.h>
#include <arcChain.h>
#include <nodeTransitionWrapper.h>
#include <transformTransition.h>
#include <billboardTransition.h>
#include <wrt.h>
#include "config_sgraphutil.h"
///////////////////////////////////////////////////////////////////