/usr/include/crystalspace-2.0/igeom/path.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | /*
Copyright (C) 2003 by Jorrit Tyberghein
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_IPATH_H__
#define __CS_IPATH_H__
#include "csutil/scf_implementation.h"
/**\file
* 3D path interfaces
*/
/**
* \addtogroup geom_utils
* @{ */
class csVector3;
struct iObject;
/**
* A path in 3D.
* An object or camera can use this object to trace a path in 3D.
* This is particularly useful in combination with
* csReversibleTransform::LookAt().
*/
struct iPath : public virtual iBase
{
SCF_INTERFACE(iPath, 3, 0, 0);
/**
* Return the number of points defining the path. Calling this
* GetPointCount as in the real classes causes MANY ambiguous
* function call errors in msvc7.
*/
virtual int Length () = 0;
/// Calculate internal values for this spline given some time value.
virtual void CalculateAtTime (float time) = 0;
/// Get the index of the current point we are in (valid after Calculate()).
virtual int GetCurrentIndex () = 0;
/// Set the position vectors (first three dimensions of the cubic spline).
virtual void SetPositionVectors (csVector3* v) = 0;
/// Set the up vectors (dimensions 3 to 5).
virtual void SetUpVectors (csVector3* v) = 0;
/// Set the forward vectors (dimensions 6 to 8).
virtual void SetForwardVectors (csVector3* v) = 0;
/// Set one position vector.
virtual void SetPositionVector (int idx, const csVector3& v) = 0;
/// Set one up vector.
virtual void SetUpVector (int idx, const csVector3& v) = 0;
/// Set one forward vector.
virtual void SetForwardVector (int idx, const csVector3& v) = 0;
/// Get one position vector.
virtual void GetPositionVector (int idx, csVector3& v) = 0;
/// Get one up vector.
virtual void GetUpVector (int idx, csVector3& v) = 0;
/// Get one forward vector.
virtual void GetForwardVector (int idx, csVector3& v) = 0;
/// Get one time value
virtual float GetTime (int idx) = 0;
/// Set one time value
virtual void SetTime (int idx, float t) = 0;
/// Get the interpolated position.
virtual void GetInterpolatedPosition (csVector3& pos) = 0;
/// Get the interpolated up vector.
virtual void GetInterpolatedUp (csVector3& pos) = 0;
/// Get the interpolated forward vector.
virtual void GetInterpolatedForward (csVector3& pos) = 0;
/// Get the iObject for this path.
virtual iObject* QueryObject () = 0;
};
/** @} */
#endif // __CS_IPATH_H__
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