PolyLineBezierSplineData.hh 4.78 KB
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/*===========================================================================*\
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
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 * This file is part of OpenFlipper.                                         *
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\*===========================================================================*/

/*===========================================================================*\
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 *   $Revision$                                                       *
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 *                                                                           *
\*===========================================================================*/

#pragma once

#include <OpenFlipper/common/GlobalDefines.hh>
#include <OpenFlipper/common/perObjectData.hh>
#include <ACG/Math/VectorT.hh>
#include <vector>

#define BEZSPLINE_DATA "BezierSpline_Data"

class DLLEXPORT PolyLineBezierSplineData : public PerObjectData
{
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public:
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	struct InterpolatePoint {
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		ACG::Vec3d position;
		ACG::Vec3d normal;
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	};
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	std::vector<InterpolatePoint> points_;
	std::vector<ACG::Vec3d>       handles_;
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    /// Index of the corresponding mesh
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	size_t meshIndex_;
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public:
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  /** \brief Creates a new PolyLineBezierSplineData object with no points.
   *
   */
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  PolyLineBezierSplineData(unsigned int _meshIndex);
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	/** \brief Adds a point to the end of the list and inserts control points.
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	 *
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	 * @param _position The location(on the mesh) of the new control point.
	 * @param _normal The normal at the location.
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	 */
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	void addInterpolatePoint(ACG::Vec3d _position, ACG::Vec3d _normal);
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	/** \brief If possible calculates handles.
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	 *
	 * @return True if it was possible to create handles.
	 */
	bool finishSpline();

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	/** \brief Retrieves the interpolate point based on the handle.
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	 *
	 * @param _handleIndex The index of the handle.
	 */
	InterpolatePoint& getInterpolatePoint(unsigned int _handleIndex);
};