SLCurve.h

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/**
 * \file      math/SLCurve.h
 * \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 SLCURVE_H
#define SLCURVE_H
 
#include <SLMath.h>
#include <SLMat4.h>
#include <SLVec3.h>
#include <SLVec4.h>
 
//-----------------------------------------------------------------------------
//!Base class for curves defined by multiple 3D points.
/*!Base class for curves defined by multiple 3D points. Derived classes (e.g.
SLCurveBezier) implement specific curve interpolation schemes.
*/
class SLCurve
{
public:
    SLCurve() {}
    virtual ~SLCurve() {}
 
    virtual void    dispose()                 = 0;
    virtual SLVec3f evaluate(const SLfloat t) = 0;
    virtual void    draw(const SLMat4f& wm)   = 0;
 
protected:
    SLVVec4f _points;      //!< Sample points (x,y,z) and time (w) of curve
    SLVfloat _lengths;     //!< Length of each curve segment
    SLfloat  _totalLength; //!< Total length of curve
};
//-----------------------------------------------------------------------------
#endif