SO3Engine: SO3Engine/SO3SceneGraph/SO3Camera.cpp Source File

00001 
00008 #include "SO3Camera.h"
00009 #include "../SO3SceneGraph/SO3Scene.h"
00010 #include "../SO3Renderer/SO3ViewPort.h"
00011 
00012 namespace SO3
00013 {
00014 
00015 SCamera::SCamera() : SNode(0, "", SNode::CAMERA_TYPE_ID)
00016 {
00017   // Forbiden (private).
00018 }
00019 
00020 SCamera::SCamera(SScene* parent, std::string cameraName) : SNode(parent, cameraName, SNode::CAMERA_TYPE_ID)
00021 {
00022   O3Camera = currentScene->GetOgreScenePointer()->createCamera(cameraName);
00023   ogreMovableObject = O3Camera;
00024 
00025   O3Camera->setAutoAspectRatio(true);
00026 
00027         O3SceneNode->attachObject(O3Camera);
00028         O3Camera->_notifyManager(currentScene->GetOgreScenePointer());
00029         currentViewport = 0;
00030 }
00031 
00032 SCamera::~SCamera()
00033 {
00034   if (currentViewport != 0)
00035     currentViewport->SetCamera(0);
00036 
00037   currentScene->GetOgreScenePointer()->destroyCamera(O3Camera);
00038   ogreMovableObject = 0;
00039 }
00040 
00041 Ogre::Camera* SCamera::GetOgreCameraPointer() 
00042 {
00043         return O3Camera;
00044 }
00045 
00046 SViewPort* SCamera::getCurrentViewPort() 
00047 {
00048         return currentViewport;
00049 }
00050 
00051 void SCamera::SetCurrentViewPort(SViewPort* mViewPort) 
00052 {
00053         currentViewport = mViewPort;
00054 }
00055 
00056 void SCamera::SetAspectRatio(float ratio)
00057 {
00058   //$BB add autoAspectRatio on Scamera, disable it if we want a special aspectRatio
00059   O3Camera->setAutoAspectRatio(false);
00060   O3Camera->setAspectRatio(ratio);
00061   O3Camera->getViewport()->_updateDimensions();
00062 }
00063 
00064 bool SCamera::IsFacingPoint(Ogre::Vector3 point)
00065 {
00066   Ogre::Plane cameraPlane = Ogre::Plane(Ogre::Vector3(O3Camera->getDerivedOrientation().zAxis()), O3Camera->getDerivedPosition());
00067         return (cameraPlane.getSide(point) != Ogre::Plane::NEGATIVE_SIDE);
00068 }
00069 
00070 Ogre::Vector3& SCamera::ToScreenSpace(Ogre::Vector3& point)
00071 {
00072         point = O3Camera->getProjectionMatrix() * (O3Camera->getViewMatrix() * point);
00073   return point;
00074 }
00075 
00076 void SCamera::SetRenderingDistance(float distance)
00077 {
00078   return O3Camera->setRenderingDistance(distance);
00079 }
00080 
00081 float SCamera::GetRenderingDistance()
00082 {
00083   return O3Camera->getRenderingDistance();
00084 }
00085 
00086 Ogre::Vector3 SCamera::GetBoundingBoxSize(bool childs)
00087 {
00088   if (childs)
00089     return GetSonsBoundingBox();
00090 
00091   return O3Camera->getBoundingBox().getSize();
00092 }
00093 
00094 Ogre::Vector3 SCamera::GetBoundingBoxCenter(bool childs)
00095 {
00096   return O3Camera->getBoundingBox().getCenter();
00097 }
00098 
00099 void SCamera::SetNearClipDistance(float distance)
00100 {
00101   O3Camera->setNearClipDistance(distance);
00102 }
00103 
00104 float SCamera::GetNearClipDistance()
00105 {
00106   return O3Camera->getNearClipDistance();
00107 }
00108 
00109 void SCamera::SetFarClipDistance(float distance)
00110 {
00111   O3Camera->setFarClipDistance(distance);
00112 }
00113 
00114 float SCamera::GetFarClipDistance()
00115 {
00116   return O3Camera->getFarClipDistance();
00117 }
00118 
00119 const Ogre::Matrix4& SCamera::GetProjectionMatrix()
00120 {
00121   return O3Camera->getProjectionMatrix();
00122 }
00123 
00124 const Ogre::Matrix4& SCamera::GetViewMatrix()
00125 {
00126   return O3Camera->getViewMatrix();
00127 }
00128 
00129 }