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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_SCENE_NODE_ANIMATOR_FLY_CIRCLE_H_INCLUDED__
#define __C_SCENE_NODE_ANIMATOR_FLY_CIRCLE_H_INCLUDED__
#include "ISceneNode.h"
namespace irr
{
namespace scene
{
class CSceneNodeAnimatorFlyCircle : public ISceneNodeAnimator
{
public:
//! constructor
CSceneNodeAnimatorFlyCircle(u32 time,
const core::vector3df& center, f32 radius,
f32 speed, const core::vector3df& direction,
f32 radiusEllipsoid);
//! animates a scene node
virtual void animateNode(ISceneNode* node, u32 timeMs);
//! Writes attributes of the scene node animator.
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const;
//! Reads attributes of the scene node animator.
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0);
//! Returns type of the scene node animator
virtual ESCENE_NODE_ANIMATOR_TYPE getType() const { return ESNAT_FLY_CIRCLE; }
//! Creates a clone of this animator.
/** Please note that you will have to drop
(IReferenceCounted::drop()) the returned pointer after calling
this. */
virtual ISceneNodeAnimator* createClone(ISceneNode* node, ISceneManager* newManager=0);
private:
// do some initial calculations
void init();
// circle center
core::vector3df Center;
// up-vector, normal to the circle's plane
core::vector3df Direction;
// Two helper vectors
core::vector3df VecU;
core::vector3df VecV;
f32 Radius;
f32 RadiusEllipsoid;
f32 Speed;
u32 StartTime;
};
} // end namespace scene
} // end namespace irr
#endif
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