/usr/include/opencollada/COLLADAFramework/COLLADAFWLookat.h is in opencollada-dev 0.1.0~20140703.ddf8f47+dfsg1-2.
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Copyright (c) 2008-2009 NetAllied Systems GmbH
This file is part of COLLADAFramework.
Licensed under the MIT Open Source License,
for details please see LICENSE file or the website
http://www.opensource.org/licenses/mit-license.php
*/
#ifndef __COLLADAFW_LOOKAT_H__
#define __COLLADAFW_LOOKAT_H__
#include "COLLADAFWPrerequisites.h"
#include "COLLADAFWTransformation.h"
namespace COLLADAFW
{
/**
* The <lookat> element contains a float3x3, which is three
* mathematical vectors.
* Positioning and orienting a camera or object in the scene is often
* complicated when using a matrix. A lookat transform is an intuitive
* way to specify an eye position, interest point, and orientation.
* eyePosition The position of the object.
* interestPosition The position of the interest point.
* upPosition The direction that points up.
*/
class Lookat : public Transformation
{
private:
/** The position of the viewer. Defines the translation. */
COLLADABU::Math::Vector3 mEyePosition;
/** The target of the viewer. Defines the pitch and the yaw of the transform. */
COLLADABU::Math::Vector3 mInterestPointPosition;
/** The up-axis of the viewer. Defines the roll of the transform. */
COLLADABU::Math::Vector3 mUpAxisDirection;
public:
/** Constructor. */
Lookat()
: Transformation ( Transformation::LOOKAT )
{}
/** Destructor. */
virtual ~Lookat() {}
/** The position of the viewer. Defines the translation. */
COLLADABU::Math::Vector3& getEyePosition () { return mEyePosition; }
const COLLADABU::Math::Vector3& getEyePosition () const { return mEyePosition; }
void setEyePosition ( COLLADABU::Math::Vector3& val ) { mEyePosition = val; }
/** The target of the viewer. Defines the pitch and the yaw of the transform. */
COLLADABU::Math::Vector3& getInterestPointPosition () { return mInterestPointPosition; }
const COLLADABU::Math::Vector3& getInterestPointPosition () const { return mInterestPointPosition; }
void setInterestPointPosition ( COLLADABU::Math::Vector3& val ) { mInterestPointPosition = val; }
/** The up-axis of the viewer. Defines the roll of the transform. */
COLLADABU::Math::Vector3& getUpAxisDirection () { return mUpAxisDirection; }
const COLLADABU::Math::Vector3& getUpAxisDirection () const { return mUpAxisDirection; }
void setUpAxisDirection ( COLLADABU::Math::Vector3& val ) { mUpAxisDirection = val; }
/** Clones the lookat.*/
virtual Lookat* clone() const { return new Lookat(*this); }
private:
/** Disable default copy ctor. */
// Lookat( const Lookat& pre );
/** Disable default assignment operator. */
const Lookat& operator= ( const Lookat& pre );
};
} // namespace COLLADAFW
#endif // __COLLADAFW_LOOKAT_H__
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