101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
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/****************************************************************************
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Copyright (c) 2010,Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "vis/observercontext.h"
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namespace Vis
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{
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__ImplementClass(Vis::ObserverContext, 'OBCO', Core::RefCounted);
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using namespace Math;
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//------------------------------------------------------------------------------
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/**
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*/
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ObserverContext::ObserverContext()
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: mType(InvalidObserverType)
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, mUserData(NULL)
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{
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}
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//------------------------------------------------------------------------------
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/**
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*/
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ObserverContext::~ObserverContext()
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{
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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ObserverContext::Setup(const Math::matrix44& projView , const Math::point& observerPos )
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{
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mType = ViewProjectionMatrix;
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mViewProjection = projView;
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mObserverPos = observerPos;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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ObserverContext::Setup(const Math::bbox& box, const Math::point& observerPos)
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{
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mType = BoundingBox;
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mBoundingBox = box;
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mObserverPos = observerPos;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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ObserverContext::SetupSeeAll( const Math::point& observerPos )
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{
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mType = SeeAll;
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mObserverPos = observerPos;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Math::ClipStatus::Type
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ObserverContext::ComputeClipStatus(const Math::bbox& boundingBox)
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{
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switch (mType)
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{
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case ViewProjectionMatrix:
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return boundingBox.clipstatus(mViewProjection);
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case BoundingBox:
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return mBoundingBox.clipstatus(boundingBox);
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case SeeAll:
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return Math::ClipStatus::Inside;
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default:
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n_error("Invalid Observer Type");
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}
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return Math::ClipStatus::Invalid;
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}
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} // namespace Vis
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