//-----------------------------------------------------------------------
void InstanceBatch::_updateBounds(void)
{
mFullBoundingBox.setNull();
InstancedEntityVec::const_iterator itor = mInstancedEntities.begin();
InstancedEntityVec::const_iterator end = mInstancedEntities.end();
Real maxScale = 0;
while( itor != end )
{
InstancedEntity* ent = (*itor);
//Only increase the bounding box for those objects we know are in the scene
if( ent->isInScene() )
{
maxScale = std::max(maxScale, ent->getMaxScaleCoef());
mFullBoundingBox.merge( ent->_getDerivedPosition() );
}
++itor;
}
Real addToBound = maxScale * _getMeshReference()->getBoundingSphereRadius();
mFullBoundingBox.setMaximum(mFullBoundingBox.getMaximum() + addToBound);
mFullBoundingBox.setMinimum(mFullBoundingBox.getMinimum() - addToBound);
mBoundingRadius = Math::boundingRadiusFromAABB( mFullBoundingBox );
//Tell the SceneManager our bounds have changed
getParentSceneNode()->needUpdate(true);
mBoundsDirty = false;
mBoundsUpdated = true;
}
// 更新包围盒
void TerrainImpl::updateBounds()
{
m_aabb.setNull();
for (size_t i = 0; i < mTiles.size(); ++i)
{
for (size_t j = 0; j < mTiles[i].size(); ++j)
{
// update this tile
m_aabb.merge(mTiles[i][j]->getBoundingBox());
}
}
if(getParentSceneNode())
{
getParentSceneNode()->needUpdate();
}
}
//-----------------------------------------------------------------------------------
void WireAabb::track( const MovableObject *movableObject )
{
assert( this != movableObject );
if( mTrackedObject )
mManager->_removeWireAabb( this );
mTrackedObject = movableObject;
if( mTrackedObject )
mManager->_addWireAabb( this );
if( !mTrackedObject && mParentNode )
{
//Not tracking anymore, need to get rid of our SceneNode
SceneNode *sceneNode = getParentSceneNode();
sceneNode->getParentSceneNode()->removeAndDestroyChild( sceneNode );
mParentNode = 0;
}
else if( mTrackedObject && !mParentNode )
{
//Started tracking, we need a node of our own.
SceneNode *newNode = mManager->getRootSceneNode()->createChildSceneNode();
newNode->attachObject( this );
}
}
Ogre::Real DeferredLight::getSquaredViewDepth(const Ogre::Camera* camera) const {
if (ignoreWorld) {
return 0.0;
} else {
Ogre::Vector3 dist = camera->getDerivedPosition() - getParentSceneNode()->_getDerivedPosition();
return dist.squaredLength();
}
}
void NavigationInputGeometry::calculateExtents( const OgreItemVector& entities )
{
auto entity = entities[0];
auto bbox = entity->getLocalAabb();
Matrix4 transform = mReferenceNode->_getFullTransformUpdated().inverse() * entity->getParentSceneNode()->_getFullTransformUpdated();
assert( transform.isAffine() );
bbox.transformAffine( transform );
Vector3 bbmin = bbox.getMinimum();
Vector3 bbmax = bbox.getMaximum();
for ( auto iterator : entities )
{
entity = iterator;
bbox = entity->getLocalAabb();
transform = mReferenceNode->_getFullTransformUpdated().inverse() * entity->getParentSceneNode()->_getFullTransformUpdated();
assert( transform.isAffine() );
bbox.transformAffine( transform );
Vector3 min2 = bbox.getMinimum();
if ( min2.x < bbmin.x )
bbmin.x = min2.x;
if ( min2.y < bbmin.y )
bbmin.y = min2.y;
if ( min2.z < bbmin.z )
bbmin.z = min2.z;
Vector3 max2 = bbox.getMaximum();
if ( max2.x > bbmax.x )
bbmax.x = max2.x;
if ( max2.y > bbmax.y )
bbmax.y = max2.y;
if ( max2.z > bbmax.z )
bbmax.z = max2.z;
}
Math::ogreVec3ToFloatArray( bbmin, mBBoxMin );
Math::ogreVec3ToFloatArray( bbmax, mBBoxMax );
}
InstanceBatch::~InstanceBatch()
{
deleteAllInstancedEntities();
//Remove the parent scene node automatically
SceneNode *sceneNode = getParentSceneNode();
if( sceneNode )
{
sceneNode->detachAllObjects();
sceneNode->getParentSceneNode()->removeAndDestroyChild( sceneNode->getName() );
}
if( mRemoveOwnVertexData )
OGRE_DELETE mRenderOperation.vertexData;
if( mRemoveOwnIndexData )
OGRE_DELETE mRenderOperation.indexData;
}
void PlanetMovable::_updateRenderQueue(RenderQueue* queue) {
if (mCube) {
mCube->updateRenderQueue(queue, getParentSceneNode()->_getFullTransform());
}
}