D:/simple_rts/src/RTSCamera.cpp

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#include "RTSCamera.h"

#include "OgreSceneManager.h"
#include "OgreCamera.h"
#include "OgreSceneNode.h"
#include "OgreMath.h"

#include <assert.h>

// HACK
using namespace Ogre;


// ----------------------------------------------------------------------------
namespace ASR
{
        // ----------------------------------------------------------------------------
        RTSCamera::RTSCamera( SceneManager* sceneMgr )
                : mSceneMgr ( sceneMgr )
        {
                assert ( sceneMgr != NULL );

                // Create the structure for the camera nodes
                mCamera = sceneMgr->createCamera ( "playerCam" );
                mCamera->setNearClipDistance ( 5.0f );

                mCamNode = sceneMgr->getRootSceneNode()->createChildSceneNode( "cameraNode" );
                mPitchNode = mCamNode->createChildSceneNode( "cameraPitchNode" );
                mPitchNode->attachObject ( mCamera );

                // HACK
                mCamNode->setPosition ( 100, 500, 350 );
                //mCamNode->setPosition ( 250, 1500, 1000 );
                //mCamera->setDirection ( 0, 0, -1 );
                mPitchNode->pitch ( Ogre::Degree(-60) );
        }


        // ----------------------------------------------------------------------------
        RTSCamera::~RTSCamera(void)
        {
                // Remove the camera
                mPitchNode->detachObject ( mCamera );
                mSceneMgr->destroyCamera ( mCamera );

                // Destroy the node structure
                mCamNode->getParentSceneNode()->removeAndDestroyChild( mCamNode->getName() );
        }


        // ----------------------------------------------------------------------------
        void RTSCamera::translate( const Vector3& vec )
        {
                mCamNode->translate ( vec );
        }


        // ----------------------------------------------------------------------------
        void RTSCamera::pitch ( const Radian& angle )
        {
                mPitchNode->pitch ( angle );
        }


        // ----------------------------------------------------------------------------
        void RTSCamera::setAspectRatio( Real ratio )
        {
                mCamera->setAspectRatio( ratio );
        }
}

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