149 lines
3.2 KiB
C++
149 lines
3.2 KiB
C++
#include <stdio.h>
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#include <math.h>
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#include <osg/Geode>
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#define square(x) ((x)*(x))
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using namespace osg;
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Geode::Geode()
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{
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}
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Geode::Geode(const Geode& geode,const CopyOp& copyop):
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Node(geode,copyop)
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{
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for(DrawableList::const_iterator itr=geode._drawables.begin();
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itr!=geode._drawables.end();
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++itr)
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{
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Drawable* drawable = copyop(itr->get());
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if (drawable) addDrawable(drawable);
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}
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}
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Geode::~Geode()
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{
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// remove reference to this from children's parent lists.
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for(DrawableList::iterator itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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(*itr)->removeParent(this);
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}
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}
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const bool Geode::addDrawable( Drawable *drawable )
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{
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if (drawable && !containsDrawable(drawable))
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{
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// note ref_ptr<> automatically handles incrementing drawable's reference count.
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_drawables.push_back(drawable);
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// register as parent of drawable.
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drawable->addParent(this);
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dirtyBound();
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return true;
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}
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else return false;
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}
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const bool Geode::removeDrawable( Drawable *drawable )
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{
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DrawableList::iterator itr = findDrawable(drawable);
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if (itr!=_drawables.end())
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{
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// remove this Geode from the child parent list.
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drawable->removeParent(this);
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// note ref_ptr<> automatically handles decrementing drawable's reference count.
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_drawables.erase(itr);
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dirtyBound();
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return true;
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}
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else return false;
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}
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const bool Geode::replaceDrawable( Drawable *origDrawable, Drawable *newDrawable )
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{
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if (newDrawable==NULL || origDrawable==newDrawable) return false;
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DrawableList::iterator itr = findDrawable(origDrawable);
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if (itr!=_drawables.end())
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{
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// remove from origDrawable's parent list.
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origDrawable->removeParent(this);
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// note ref_ptr<> automatically handles decrementing origGset's reference count,
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// and inccrementing newGset's reference count.
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*itr = newDrawable;
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// register as parent of child.
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newDrawable->addParent(this);
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dirtyBound();
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return true;
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}
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else return false;
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}
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const bool Geode::computeBound() const
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{
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BoundingBox bb;
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DrawableList::const_iterator itr;
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for(itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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bb.expandBy((*itr)->getBound());
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}
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if (bb.isValid())
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{
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_bsphere._center = bb.center();
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_bsphere._radius = 0.0f;
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for(itr=_drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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const BoundingBox& bbox = (*itr)->getBound();
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for(unsigned int c=0;c<8;++c)
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{
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_bsphere.expandRadiusBy(bbox.corner(c));
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}
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}
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_bsphere_computed=true;
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return true;
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}
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else
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{
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_bsphere.init();
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_bsphere_computed=true;
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return false;
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}
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}
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void Geode::compileDrawables(State& state)
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{
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for(DrawableList::iterator itr = _drawables.begin();
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itr!=_drawables.end();
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++itr)
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{
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(*itr)->compile(state);
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}
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}
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