本文整理汇总了C++中osg::BoundingBox类的典型用法代码示例。如果您正苦于以下问题：C++ BoundingBox类的具体用法？C++ BoundingBox怎么用？C++ BoundingBox使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了BoundingBox类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: updateCalculatedNearFar
bool CullVisitor::updateCalculatedNearFar(const osg::Matrix& matrix,const osg::BoundingBox& bb)
{
// efficient computation of near and far, only taking into account the nearest and furthest
// corners of the bounding box.
value_type d_near = distance(bb.corner(_bbCornerNear),matrix);
value_type d_far = distance(bb.corner(_bbCornerFar),matrix);
if (d_near>d_far)
{
std::swap(d_near,d_far);
if ( !EQUAL_F(d_near, d_far) )
{
OSG_WARN<<"Warning: CullVisitor::updateCalculatedNearFar(.) near>far in range calculation,"<< std::endl;
OSG_WARN<<" correcting by swapping values d_near="<<d_near<<" dfar="<<d_far<< std::endl;
}
}
if (d_far<0.0)
{
// whole object behind the eye point so disguard
return false;
}
if (d_near<_computed_znear) _computed_znear = d_near;
if (d_far>_computed_zfar) _computed_zfar = d_far;
return true;
}
开发者ID:dev2dev，项目名称:OpenSceneGraph-port-to-IOS，代码行数:28，代码来源:CullVisitor.cpp
示例2: getExtents
void TXPArchive::getExtents(osg::BoundingBox& extents)
{
TileInfo sw, ne;
trpg2iPoint tileExtents;
this->GetHeader()->GetLodSize(0, tileExtents);
this->getTileInfo(0, 0, 0, sw);
this->getTileInfo(tileExtents.x-1, tileExtents.y-1, 0, ne);
extents.set(sw.bbox._min, sw.bbox._max);
extents.expandBy(ne.bbox);
}
开发者ID:joevandyk，项目名称:osg，代码行数:11，代码来源:TXPArchive.cpp
示例3:
osg::BoundingSphere
TileNode::computeBound() const
{
osg::BoundingSphere bs;
if (_surface.valid())
{
bs = _surface->getBound();
const osg::BoundingBox bbox = _surface->getAlignedBoundingBox();
_tileKeyValue.a() = std::max( (bbox.xMax()-bbox.xMin()), (bbox.yMax()-bbox.yMin()) );
}
return bs;
}
开发者ID:mathieu，项目名称:osgearth，代码行数:12，代码来源:TileNode.cpp
示例4: serializeBoundingBox
void ComputeAABBOnBoneVisitor::serializeBoundingBox(const osg::BoundingBox &bb,
const osg::Matrix &transform,
osgAnimation::Bone &b,
float ratio) {
osg::Vec3 center = bb.center();
double halfLenghtX = (bb._max.x() - bb._min.x()) * 0.50;
double halfLenghtY = (bb._max.y() - bb._min.y()) * 0.50;
double halfLenghtZ = (bb._max.z() - bb._min.z()) * 0.50;
halfLenghtX *= ratio;
halfLenghtY *= ratio;
halfLenghtZ *= ratio;
osg::BoundingBox serializedBB;
serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
b.setUserValue("AABBonBone_min", serializedBB._min);
b.setUserValue("AABBonBone_max", serializedBB._max);
}
开发者ID:LaurensVoerman，项目名称:OpenSceneGraph，代码行数:27，代码来源:AABBonBoneVisitor.cpp
示例5: applyBoundingBox
void ComputeBoundsVisitor::applyBoundingBox(const osg::BoundingBox& bbox)
{
if (_matrixStack.empty()) _bb.expandBy(bbox);
else if (bbox.valid())
{
const osg::Matrix& matrix = _matrixStack.back();
_bb.expandBy(bbox.corner(0) * matrix);
_bb.expandBy(bbox.corner(1) * matrix);
_bb.expandBy(bbox.corner(2) * matrix);
_bb.expandBy(bbox.corner(3) * matrix);
_bb.expandBy(bbox.corner(4) * matrix);
_bb.expandBy(bbox.corner(5) * matrix);
_bb.expandBy(bbox.corner(6) * matrix);
_bb.expandBy(bbox.corner(7) * matrix);
}
}
开发者ID:ChrisWC，项目名称:OpenSceneGraph，代码行数:16，代码来源:ComputeBoundsVisitor.cpp
示例6:
osg::Vec3 Curve::mapTo( const osg::Vec3 p, osg::BoundingBox originRect, osg::BoundingBox newRect )
{
osg::Vec3 newPos = p-originRect.center();
osg::Vec3 originSpace = originRect._max-originRect._min;
osg::Vec3 scaleFactor = (newRect._max-newRect._min);
if ( originSpace.x() ) scaleFactor.x() /= originSpace.x();
else scaleFactor.x() = 0.0;
if ( originSpace.y() ) scaleFactor.y() /= originSpace.y();
else scaleFactor.y() = 0.0;
if ( originSpace.z() ) scaleFactor.z() /= originSpace.z();
else scaleFactor.z() = 0.0;
newPos = osg::Vec3(newPos.x()*scaleFactor.x(), newPos.y()*scaleFactor.y(), newPos.z()*scaleFactor.z());
return newPos+newRect.center();
}
开发者ID:ijk123，项目名称:osgModeling，代码行数:16，代码来源:Curve.cpp
示例7: setupClipStateSet
void Style::setupClipStateSet(const osg::BoundingBox& extents, osg::StateSet* stateset)
{
unsigned int clipTextureUnit = 1;
stateset->setAttributeAndModes( new osg::AlphaFunc(osg::AlphaFunc::GREATER, 0.0f), osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
stateset->setTextureAttributeAndModes( clipTextureUnit, _clipTexture.get(), osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
osg::Matrixd matrix = osg::Matrixd::translate(osg::Vec3(-extents.xMin(), -extents.yMin(), -extents.zMin()))*
osg::Matrixd::scale(osg::Vec3(1.0f/(extents.xMax()-extents.xMin()), 1.0f/(extents.yMax()-extents.yMin()), 1.0f));
osg::ref_ptr<osg::TexGen> texgen = new osg::TexGen;
texgen->setPlanesFromMatrix(matrix);
texgen->setMode(osg::TexGen::OBJECT_LINEAR);
stateset->setTextureAttributeAndModes( clipTextureUnit, texgen.get(), osg::StateAttribute::ON);
}
开发者ID:marwan-abdellah，项目名称:osg，代码行数:16，代码来源:Style.cpp
示例8: setUseVertexBufferObjects
BboxDrawable::BboxDrawable( const osg::BoundingBox& box, const BBoxSymbol &bboxSymbol ) :
osg::Geometry()
{
setUseVertexBufferObjects(true);
float margin = bboxSymbol.margin().isSet() ? bboxSymbol.margin().value() : 2.f;
osg::Vec3Array* v = new osg::Vec3Array();
if ( bboxSymbol.geom().isSet() && bboxSymbol.geom().value() == BBoxSymbol::GEOM_BOX_ORIENTED )
{
float h = box.yMax() - box.yMin() + 2.f * margin;
v->push_back( osg::Vec3(box.xMax()+margin+h/2.f, box.yMax()+margin-h/2.f, 0) );
}
v->push_back( osg::Vec3(box.xMax()+margin, box.yMax()+margin, 0) );
v->push_back( osg::Vec3(box.xMin()-margin, box.yMax()+margin, 0) );
v->push_back( osg::Vec3(box.xMin()-margin, box.yMin()-margin, 0) );
v->push_back( osg::Vec3(box.xMax()+margin, box.yMin()-margin, 0) );
setVertexArray(v);
if ( v->getVertexBufferObject() )
v->getVertexBufferObject()->setUsage(GL_STATIC_DRAW_ARB);
osg::Vec4Array* c = new osg::Vec4Array();
if ( bboxSymbol.fill().isSet() )
{
c->push_back( bboxSymbol.fill()->color() );
addPrimitiveSet( new osg::DrawArrays(GL_POLYGON, 0, v->getNumElements()) );
}
if ( bboxSymbol.border().isSet() )
{
c->push_back( bboxSymbol.border()->color() );
if ( bboxSymbol.border()->width().isSet() )
getOrCreateStateSet()->setAttribute( new osg::LineWidth( bboxSymbol.border()->width().value() ));
addPrimitiveSet( new osg::DrawArrays(GL_LINE_LOOP, 0, v->getNumElements()) );
}
setColorArray( c );
setColorBinding( osg::Geometry::BIND_PER_PRIMITIVE_SET );
// add the static "isText=true" uniform; this is a hint for the annotation shaders
// if they get installed.
static osg::ref_ptr<osg::Uniform> s_isTextUniform = new osg::Uniform(osg::Uniform::BOOL, AnnotationUtils::UNIFORM_IS_TEXT());
s_isTextUniform->set( false );
getOrCreateStateSet()->addUniform( s_isTextUniform.get() );
// Disable culling since this bounding box will eventually be drawn in screen space.
#if OSG_MIN_VERSION_REQUIRED(3,4,0)
setCullingActive(false);
#endif
}
开发者ID:caishanli，项目名称:osgearth，代码行数:49，代码来源:BboxDrawable.cpp
示例9:
void
HorizonTileCuller::set(const osg::BoundingBox& bbox)
{
// Adjust the horizon ellipsoid based on the minimum Z value of the tile;
// necessary because a tile that's below the ellipsoid (ocean floor, e.g.)
// may be visible even if it doesn't pass the horizon-cone test. In such
// cases we need a more conservative ellipsoid.
double zMin = bbox.corner(0).z();
if ( zMin < 0.0 )
{
_horizonProto.setEllipsoid( osg::EllipsoidModel(_radiusEquator + zMin, _radiusPolar + zMin) );
}
// consider the uppermost 4 points of the tile-aligned bounding box.
// (the last four corners of the bbox are the "zmax" corners.)
for(unsigned i=0; i<4; ++i)
{
_points[i] = bbox.corner(4+i) * _local2world;
}
}
开发者ID:robertosfield，项目名称:osgearth，代码行数:20，代码来源:SurfaceNode.cpp
示例10: ComputeBoundingBoxByRotation
void ComputeBoundingBoxByRotation(osg::BoundingBox & InOut,osg::Vec3 BBCenter,float BBSize,osg::Matrixd Rotation)
{
osg::BoundingBox bb;
bb.set(BBCenter.x()-BBSize,BBCenter.y()-BBSize,BBCenter.z()-BBSize,BBCenter.x()+BBSize,BBCenter.y()+BBSize,BBCenter.z()+BBSize);
osg::BoundingBox Tbb;
for(unsigned int i=0;i<8;i++)
{
Tbb.expandBy(Rotation.preMult(bb.corner(i)));
}
InOut.set(Tbb.xMin(),Tbb.yMin(),Tbb.zMin(),Tbb.xMax(),Tbb.yMax(),Tbb.zMax());
}
开发者ID:Sjith，项目名称:Multi-User_Android_3D_Drawing，代码行数:11，代码来源:AuxFunc.cpp
示例11: setUseVertexBufferObjects
BboxDrawable::BboxDrawable( const osg::BoundingBox& box, const BBoxSymbol &bboxSymbol ) :
osg::Geometry()
{
setUseVertexBufferObjects(true);
float margin = bboxSymbol.margin().isSet() ? bboxSymbol.margin().value() : 2.f;
osg::Vec3Array* v = new osg::Vec3Array();
if ( bboxSymbol.geom().isSet() && bboxSymbol.geom().value() == BBoxSymbol::GEOM_BOX_ORIENTED )
{
float h = box.yMax() - box.yMin() + 2.f * margin;
v->push_back( osg::Vec3(box.xMax()+margin+h/2.f, box.yMax()+margin-h/2.f, 0) );
}
v->push_back( osg::Vec3(box.xMax()+margin, box.yMax()+margin, 0) );
v->push_back( osg::Vec3(box.xMin()-margin, box.yMax()+margin, 0) );
v->push_back( osg::Vec3(box.xMin()-margin, box.yMin()-margin, 0) );
v->push_back( osg::Vec3(box.xMax()+margin, box.yMin()-margin, 0) );
setVertexArray(v);
if ( v->getVertexBufferObject() )
v->getVertexBufferObject()->setUsage(GL_STATIC_DRAW_ARB);
osg::Vec4Array* c = new osg::Vec4Array(osg::Array::BIND_PER_PRIMITIVE_SET);
if ( bboxSymbol.fill().isSet() )
{
c->push_back( bboxSymbol.fill()->color() );
osg::DrawElements* de = new osg::DrawElementsUByte(GL_TRIANGLE_STRIP);
de->addElement(0);
de->addElement(1);
de->addElement(3);
de->addElement(2);
addPrimitiveSet(de);
//addPrimitiveSet( new osg::DrawArrays(GL_POLYGON, 0, v->getNumElements()) );
}
if ( bboxSymbol.border().isSet() )
{
c->push_back( bboxSymbol.border()->color() );
if ( bboxSymbol.border()->width().isSet() )
getOrCreateStateSet()->setAttribute( new osg::LineWidth( bboxSymbol.border()->width().value() ));
addPrimitiveSet( new osg::DrawArrays(GL_LINE_LOOP, 0, v->getNumElements()) );
}
setColorArray( c );
// Disable culling since this bounding box will eventually be drawn in screen space.
setCullingActive(false);
}
开发者ID:emminizer，项目名称:osgearth，代码行数:46，代码来源:BboxDrawable.cpp
示例12: apply
void apply(osg::Node &node)
{
osg::Transform *mt;
osg::Geode *geo;
osg::ref_ptr<osg::RefMatrix> M = matStack.back();
if ((geo = dynamic_cast<osg::Geode *>(&node)))
{
unsigned int i;
osg::BoundingBox bb;
for (i = 0; i < geo->getNumDrawables(); i++)
{
bb.expandBy(geo->getDrawable(i)->getBound());
}
if (M.get())
{
bbox.expandBy(osg::Vec3(bb.xMin(), bb.yMin(), bb.zMin()) * *M);
bbox.expandBy(osg::Vec3(bb.xMax(), bb.yMax(), bb.zMax()) * *M);
}
else
{
bbox.expandBy(osg::Vec3(bb.xMin(), bb.yMin(), bb.zMin()));
bbox.expandBy(osg::Vec3(bb.xMax(), bb.yMax(), bb.zMax()));
}
}
if ((mt = dynamic_cast<osg::Transform *>(&node)))
{
osg::ref_ptr<osg::RefMatrix> matrix = new osg::RefMatrix;
mt->computeLocalToWorldMatrix(*matrix, this);
matStack.push_back(matrix);
}
traverse(node);
if ((mt = dynamic_cast<osg::Transform *>(&node)))
{
matStack.pop_back();
}
}
开发者ID:xyuan，项目名称:covise，代码行数:37，代码来源:Move.cpp
示例13: Horizon
void
HorizonTileCuller::set(const SpatialReference* srs,
const osg::Matrix& local2world,
const osg::BoundingBox& bbox)
{
if (!_horizon.valid() && srs->isGeographic())
{
_horizon = new Horizon();
}
if (_horizon.valid())
{
_horizon->setEllipsoid(*srs->getEllipsoid());
//_radiusPolar = srs->getEllipsoid()->getRadiusPolar();
//_radiusEquator = srs->getEllipsoid()->getRadiusEquator();
//_local2world = local2world;
// Adjust the horizon ellipsoid based on the minimum Z value of the tile;
// necessary because a tile that's below the ellipsoid (ocean floor, e.g.)
// may be visible even if it doesn't pass the horizon-cone test. In such
// cases we need a more conservative ellipsoid.
double zMin = (double)std::min( bbox.corner(0).z(), 0.0f );
zMin = std::max(zMin, -25000.0); // approx the lowest point on earth * 2
_horizon->setEllipsoid( osg::EllipsoidModel(
srs->getEllipsoid()->getRadiusEquator() + zMin,
srs->getEllipsoid()->getRadiusPolar() + zMin) );
// consider the uppermost 4 points of the tile-aligned bounding box.
// (the last four corners of the bbox are the "zmax" corners.)
for(unsigned i=0; i<4; ++i)
{
_points[i] = bbox.corner(4+i) * local2world;
}
//_bs.set(bbox.center() * _local2world, bbox.radius());
}
}
开发者ID:rhabacker，项目名称:osgearth，代码行数:37，代码来源:SurfaceNode.cpp
示例14: defined
bool DebugShadowMap::ViewData::DebugBoundingBox
( const osg::BoundingBox & bb, const char * name )
{
bool result = false;
#if defined( _DEBUG ) || defined( DEBUG )
if( !name ) name = "";
osg::BoundingBox & bb_prev = _boundingBoxMap[ std::string( name ) ];
result = bb.center() != bb_prev.center() || bb.radius() != bb_prev.radius();
if( result )
std::cout << "Box<" << name << "> ("
<< ( bb._max._v[0] + bb._min._v[0] ) * 0.5 << " "
<< ( bb._max._v[1] + bb._min._v[1] ) * 0.5 << " "
<< ( bb._max._v[2] + bb._min._v[2] ) * 0.5 << ") ["
<< ( bb._max._v[0] - bb._min._v[0] ) << " "
<< ( bb._max._v[1] - bb._min._v[1] ) << " "
<< ( bb._max._v[2] - bb._min._v[2] ) << "] "
<< std::endl;
bb_prev = bb;
#endif
return result;
}
开发者ID:3dcl，项目名称:osg，代码行数:24，代码来源:DebugShadowMap.cpp
示例15: GetBoundingBox
bool GetBoundingBox(osg::BoundingBox & BB, dtCore::DeltaDrawable & drawable)
{
osg::Node* node = drawable.GetOSGNode();
if (node != 0)
{
dtUtil::BoundingBoxVisitor bbv;
node->accept(bbv);
// no copy constructor for osg::BB...
BB.set(bbv.mBoundingBox._min, bbv.mBoundingBox._max);
return true;
}
LOG_WARNING("No valid osg node of drawable when asking for bounding box.");
return false;
}
开发者ID:pthimon，项目名称:hammerQt，代码行数:16，代码来源:common.cpp
示例16:
void MinimalShadowMap::ViewData::cutScenePolytope
( const osg::Matrix & transform,
const osg::Matrix & inverse,
const osg::BoundingBox & bb )
{
_sceneReceivingShadowPolytopePoints.clear();
if( bb.valid() ) {
osg::Polytope polytope;
polytope.setToBoundingBox( bb );
polytope.transformProvidingInverse( inverse );
_sceneReceivingShadowPolytope.cut( polytope );
_sceneReceivingShadowPolytope.getPoints
( _sceneReceivingShadowPolytopePoints );
} else
_sceneReceivingShadowPolytope.clear();
}
开发者ID:BlitzMaxModules，项目名称:osg.mod，代码行数:17，代码来源:MinimalShadowMap.cpp
示例17:
CSulGeomBox::CSulGeomBox( const osg::BoundingBox& bb ) :
CSulGeode()
{
m_minX = bb.xMin();
m_maxX = bb.xMax();
m_minY = bb.yMin();
m_maxY = bb.yMax();
m_minZ = bb.zMin();
m_maxZ = bb.zMax();
createDrawable();
}
开发者ID:Crisium，项目名称:sigmaosg，代码行数:12，代码来源:SulGeomBox.cpp
示例18: switch
bool PickEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
if (ea.getHandled()) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::DRAG):
case(osgGA::GUIEventAdapter::RELEASE):
{
if(ea.getEventType() == osgGA::GUIEventAdapter::PUSH)
{
_drawablesOnPush.clear();
}
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
osgUtil::LineSegmentIntersector::Intersections intersections;
if (viewer->computeIntersections(ea, nv->getNodePath(), intersections))
{
for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr=intersections.begin();
hitr!=intersections.end();
++hitr)
{
if (_operation == FORWARD_MOUSE_EVENT)
{
osg::ref_ptr<osgGA::GUIEventAdapter> cloned_ea = osg::clone(&ea);
// clear touch-data as this prevents sending the event as mouse-event
cloned_ea->setTouchData(NULL);
// reproject mouse-coord
const osg::BoundingBox bb(hitr->drawable->getBound());
const osg::Vec3& p(hitr->localIntersectionPoint);
float transformed_x = (p.x() - bb.xMin()) / (bb.xMax() - bb.xMin());
float transformed_y = (p.z() - bb.zMin()) / (bb.zMax() - bb.zMin());
cloned_ea->setX(ea.getXmin() + transformed_x * (ea.getXmax() - ea.getXmin()));
cloned_ea->setY(ea.getYmin() + transformed_y * (ea.getYmax() - ea.getYmin()));
cloned_ea->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
// std::cout << transformed_x << "/" << transformed_x << " -> " << cloned_ea->getX() << "/" <<cloned_ea->getY() << std::endl;
SlideEventHandler::instance()->forwardEventToDevices(cloned_ea.get());
}
else if ((_operation == FORWARD_TOUCH_EVENT) && ea.isMultiTouchEvent())
{
osg::ref_ptr<osgGA::GUIEventAdapter> cloned_ea = osg::clone(&ea);
cloned_ea->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS);
osgGA::GUIEventAdapter::TouchData* touch_data = cloned_ea->getTouchData();
// reproject touch-points
const osg::BoundingBox bb(hitr->drawable->getBound());
osg::Camera* camera = viewer->getCamera();
osg::Matrix matrix = osg::computeLocalToWorld(hitr->nodePath, false) * camera->getViewMatrix() * camera->getProjectionMatrix();
matrix.postMult(camera->getViewport()->computeWindowMatrix());
osg::Matrixd inverse;
inverse.invert(matrix);
// transform touch-points into local coord-system
unsigned int j(0);
for(osgGA::GUIEventAdapter::TouchData::iterator i = touch_data->begin(); i != touch_data->end(); ++i, ++j)
{
osg::Vec3 local = osg::Vec3(i->x, i->y, 0) * inverse;
// std::cout << local << " hit: " << hitr->localIntersectionPoint << std::endl;
local.x() = (local.x() - bb.xMin()) / (bb.xMax() - bb.xMin());
local.z() = (local.z() - bb.zMin()) / (bb.zMax() - bb.zMin());
local.x() = (ea.getXmin() + local.x() * (ea.getXmax() - ea.getXmin()));
local.z() = (ea.getYmin() + local.z() * (ea.getYmax() - ea.getYmin()));
// std::cout << ea.getX() << "/" << ea.getY() << " -- " << i->x << " " << i->y << " -> " << local.x() <<"/" << local.z() << std::endl;
i->x = local.x();
i->y = 1 + local.z(); // no idea why I have to add 1 to get y in the range [0..1]
}
// std::cout << transformed_x << "/" << transformed_x << " -> " << cloned_ea->getX() << "/" <<cloned_ea->getY() << std::endl;
SlideEventHandler::instance()->forwardEventToDevices(cloned_ea.get());
}
else
{
if (ea.getEventType()==osgGA::GUIEventAdapter::PUSH)
{
_drawablesOnPush.insert( hitr->drawable.get() );
}
else if (ea.getEventType()==osgGA::GUIEventAdapter::MOVE)
{
//.........这里部分代码省略.........
开发者ID:ChrisWC，项目名称:OpenSceneGraph，代码行数:101，代码来源:PickEventHandler.cpp
示例19: init_towbar
inline void init_towbar()
{
body_s_ = findFirstNode((tow_visual_object_)->root(),"body_s");
body_b_ = findFirstNode((tow_visual_object_)->root(),"body_b");
body_a_ = findFirstNode((tow_visual_object_)->root(),"body_a");
osg::ComputeBoundsVisitor cbvs;
body_s_->accept( cbvs );
const osg::BoundingBox bb_s = cbvs.getBoundingBox();
osg::ComputeBoundsVisitor cbvb;
body_b_->accept( cbvb );
const osg::BoundingBox bb_b = cbvb.getBoundingBox();
osg::ComputeBoundsVisitor cbva;
body_a_->accept( cbva );
const osg::BoundingBox bb_a = cbva.getBoundingBox();
osg::ComputeBoundsVisitor cbv;
(tow_visual_object_)->root()->accept( cbv );
const osg::BoundingBox bb_ = cbv.getBoundingBox();
radius_ = abs(bb_.yMax() - bb_.yMin())/2.0;//(*tow_visual_object_)->root()->getBound().radius();
radius_s_ = abs(bb_s.yMax() - bb_s.yMin())/2.0;//body_s_->getBound().radius();
radius_a_ = abs(bb_a.yMax() - bb_a.yMin())/2.0;//body_a_->getBound().radius();
radius_b_ = abs(bb_b.yMax() - bb_b.yMin())/2.0;//body_b_->getBound().radius();
}
开发者ID:wangfeilong321，项目名称:test_osg，代码行数:28，代码来源:human_visual.cpp
示例20: switch
bool PickEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
{
if (ea.getHandled()) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::DRAG):
case(osgGA::GUIEventAdapter::RELEASE):
{
if(ea.getEventType() == osgGA::GUIEventAdapter::PUSH)
{
_drawablesOnPush.clear();
}
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
osgUtil::LineSegmentIntersector::Intersections intersections;
if (viewer->computeIntersections(ea, nv->getNodePath(), intersections))
{
for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr=intersections.begin();
hitr!=intersections.end();
++hitr)
{
if (_operation == FORWARD_EVENT)
{
osg::ref_ptr<osgGA::GUIEventAdapter> cloned_ea = osg::clone(&ea);
const osg::BoundingBox bb(hitr->drawable->getBound());
const osg::Vec3& p(hitr->localIntersectionPoint);
float transformed_x = (p.x() - bb.xMin()) / (bb.xMax() - bb.xMin());
float transformed_y = (p.z() - bb.zMin()) / (bb.zMax() - bb.zMin());
cloned_ea->setX(ea.getXmin() + transformed_x * (ea.getXmax() - ea.getXmin()));
cloned_ea->setY(ea.getYmin() + transformed_y * (ea.getYmax() - ea.getYmin()));
cloned_ea->setMouseYOrientation(osgGA::GUIEventAdapter::Y_INCREASING_UPWARDS);
// std::cout << transformed_x << "/" << transformed_x << " -> " << cloned_ea->getX() << "/" <<cloned_ea->getY() << std::endl;
// dispatch cloned event to devices
osgViewer::View::Devices& devices = viewer->getDevices();
for(osgViewer::View::Devices::iterator i = devices.begin(); i != devices.end(); ++i)
{
if((*i)->getCapabilities() & osgGA::Device::SEND_EVENTS)
{
(*i)->sendEvent(*cloned_ea);
}
}
}
else
{
if (ea.getEventType()==osgGA::GUIEventAdapter::PUSH)
{
_drawablesOnPush.insert( hitr->drawable.get() );
}
else if (ea.getEventType()==osgGA::GUIEventAdapter::MOVE)
{
OSG_INFO<<"Tooltip..."<<std::endl;
}
else if (ea.getEventType()==osgGA::GUIEventAdapter::RELEASE)
{
if (_drawablesOnPush.find(hitr->drawable.get()) != _drawablesOnPush.end())
doOperation();
return true;
}
}
}
}
break;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
//OSG_NOTICE<<"PickEventHandler KEYDOWN "<<(char)ea.getKey()<<std::endl;
//if (object) OSG_NOTICE<<" "<<object->className()<<std::endl;
break;
}
default:
break;
}
return false;
}
开发者ID:PerhapsCaiv，项目名称:osg，代码行数:81，代码来源:PickEventHandler.cpp
注：本文中的osg::BoundingBox类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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