SLAnimKeyframe.h

Go to the documentation of this file.

/**
 * \file      SLAnimKeyframe.h
 * \authors   Marcus Hudritsch
 * \date      July 2014
 * \authors   Marcus Hudritsch
 * \copyright http://opensource.org/licenses/GPL-3.0
 * \remarks   Please use clangformat to format the code. See more code style on
 *            https://github.com/cpvrlab/SLProject4/wiki/SLProject-Coding-Style
*/
 
#ifndef SLKEYFRAME_H
#define SLKEYFRAME_H
 
#include <SL.h>
#include <SLQuat4.h>
#include <SLVec3.h>
 
class SLAnimTrack;
 
//-----------------------------------------------------------------------------
//! Base class for all animation keyframes
class SLAnimKeyframe
{
public:
    SLAnimKeyframe(const SLAnimTrack* parent,
                   SLfloat            time);
 
    bool operator<(const SLAnimKeyframe& other) const;
 
    void    time(SLfloat t) { _time = t; }
    SLfloat time() const { return _time; }
    SLbool  isValid() const { return _isValid; }
 
protected:
    const SLAnimTrack* _parentTrack; //!< owning animation track for this keyframe
    SLfloat            _time;        //!< temporal position in local time relative to the keyframes parent clip in seconds
    SLbool             _isValid;     //!< is this keyframe in use inside its parent track
};
 
//-----------------------------------------------------------------------------
//! SLTransformKeyframe is a specialized SLKeyframe for node transformations
/*!
Keeps track of translation, rotation and scale.
*/
class SLTransformKeyframe : public SLAnimKeyframe
{
public:
    SLTransformKeyframe(const SLAnimTrack* parent,
                        SLfloat            time);
 
    // Setters
    void translation(const SLVec3f& t) { _translation = t; }
    void rotation(const SLQuat4f& r) { _rotation = r; }
    void scale(const SLVec3f& s) { _scale = s; }
 
    // Getters
    const SLVec3f&  translation() const { return _translation; }
    const SLQuat4f& rotation() const { return _rotation; }
    const SLVec3f&  scale() const { return _scale; }
 
protected:
    SLVec3f  _translation;
    SLQuat4f _rotation;
    SLVec3f  _scale;
};
//-----------------------------------------------------------------------------
typedef vector<SLAnimKeyframe*> SLVKeyframe;
//-----------------------------------------------------------------------------
 
#endif