CrystalSpace

Public API Reference

csgeom/path.h

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00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_PATH_H__
00020 #define __CS_PATH_H__
00021 
00022 
00030 #include "csextern.h"
00031 
00032 #include "csgeom/spline.h"
00033 #include "csgeom/vector3.h"
00034 #include "csutil/scf_implementation.h"
00035 
00036 #include "igeom/path.h"
00037 
00044 class CS_CRYSTALSPACE_EXPORT csPath :
00045   public scfImplementation1<csPath, iPath>
00046 {
00047 protected:
00048   csCatmullRomSpline spline;
00049 
00050 private:
00051   void SetVectorAsDimensionValues (int dim, csVector3* v)
00052   {
00053     int i;
00054     int N = spline.GetPointCount();
00055     float* x, * y, * z;
00056     x = new float [N];
00057     y = new float [N];
00058     z = new float [N];
00059     for (i = 0 ; i < N ; i++)
00060     {
00061       x[i] = v[i].x;
00062       y[i] = v[i].y;
00063       z[i] = v[i].z;
00064     }
00065     spline.SetDimensionValues (dim+0, x);
00066     spline.SetDimensionValues (dim+1, y);
00067     spline.SetDimensionValues (dim+2, z);
00068     delete[] x;
00069     delete[] y;
00070     delete[] z;
00071   }
00072 
00073 public:
00074 
00076   csPath (int p) : scfImplementationType(this), spline (9, p)
00077   { }
00078 
00080   virtual ~csPath ()
00081   { }
00082 
00084   virtual int Length ()
00085   {
00086     return spline.GetPointCount();
00087   }
00092   CS_DEPRECATED_METHOD_MSG("Use Length() instead.")
00093   int GetPointCount()
00094   {
00095     return Length();
00096   }
00098   virtual void CalculateAtTime (float time)
00099   {
00100     spline.Calculate (time);
00101   }
00106   CS_DEPRECATED_METHOD_MSG("Use CalculateAtTime() instead.")
00107   virtual void Calculate (float time)
00108   {
00109     CalculateAtTime(time);
00110   }
00112   virtual int GetCurrentIndex ()
00113   {
00114     return spline.GetCurrentIndex();
00115   }
00117   virtual float GetTime (int idx)
00118   {
00119     return spline.GetTimeValue(idx);
00120   }
00125   CS_DEPRECATED_METHOD_MSG("Use GetTime() instead.")
00126   float GetTimeValue (int idx) const
00127   {
00128     return spline.GetTimeValue(idx);
00129   }
00131   virtual void SetTime (int idx, float t)
00132   {
00133     spline.SetTimeValue(idx,t);
00134   }
00139   CS_DEPRECATED_METHOD_MSG("Use SetTime() instead.")
00140   virtual void SetTimeValue (int idx, float t)
00141   {
00142     SetTime(idx, t);
00143   }
00150   void SetTimes (float const* t)
00151   {
00152     spline.SetTimeValues(t);
00153   }
00158   CS_DEPRECATED_METHOD_MSG("Use SetTimes() instead.")
00159   void SetTimeValues (float const* t)
00160   {
00161     SetTimes(t);
00162   }
00164   float const* GetTimes () const
00165   {
00166     return spline.GetTimeValues();
00167   }
00172   CS_DEPRECATED_METHOD_MSG("Use GetTimes() instead.")
00173   float const* GetTimeValues () const
00174   {
00175     return GetTimes();
00176   }
00178   virtual void SetPositionVectors (csVector3* v)
00179   {
00180     SetVectorAsDimensionValues (0, v);
00181   }
00183   virtual void SetUpVectors (csVector3* v)
00184   {
00185     SetVectorAsDimensionValues (3, v);
00186   }
00188   virtual void SetForwardVectors (csVector3* v)
00189   {
00190     SetVectorAsDimensionValues (6, v);
00191   }
00193   virtual void SetPositionVector (int idx, const csVector3& v)
00194   {
00195     spline.SetDimensionValue (0, idx, v.x);
00196     spline.SetDimensionValue (1, idx, v.y);
00197     spline.SetDimensionValue (2, idx, v.z);
00198   }
00200   virtual void SetUpVector (int idx, const csVector3& v)
00201   {
00202     spline.SetDimensionValue (3, idx, v.x);
00203     spline.SetDimensionValue (4, idx, v.y);
00204     spline.SetDimensionValue (5, idx, v.z);
00205   }
00207   virtual void SetForwardVector (int idx, const csVector3& v)
00208   {
00209     spline.SetDimensionValue (6, idx, v.x);
00210     spline.SetDimensionValue (7, idx, v.y);
00211     spline.SetDimensionValue (8, idx, v.z);
00212   }
00214   virtual void GetPositionVector (int idx, csVector3& v)
00215   {
00216     v.x = spline.GetDimensionValue (0, idx);
00217     v.y = spline.GetDimensionValue (1, idx);
00218     v.z = spline.GetDimensionValue (2, idx);
00219   }
00221   virtual void GetUpVector (int idx, csVector3& v)
00222   {
00223     v.x = spline.GetDimensionValue (3, idx);
00224     v.y = spline.GetDimensionValue (4, idx);
00225     v.z = spline.GetDimensionValue (5, idx);
00226   }
00228   virtual void GetForwardVector (int idx, csVector3& v)
00229   {
00230     v.x = spline.GetDimensionValue (6, idx);
00231     v.y = spline.GetDimensionValue (7, idx);
00232     v.z = spline.GetDimensionValue (8, idx);
00233   }
00234 
00236   virtual void GetInterpolatedPosition (csVector3& pos)
00237   {
00238     pos.x = spline.GetInterpolatedDimension (0);
00239     pos.y = spline.GetInterpolatedDimension (1);
00240     pos.z = spline.GetInterpolatedDimension (2);
00241   }
00243   virtual void GetInterpolatedUp (csVector3& pos)
00244   {
00245     pos.x = spline.GetInterpolatedDimension (3);
00246     pos.y = spline.GetInterpolatedDimension (4);
00247     pos.z = spline.GetInterpolatedDimension (5);
00248   }
00250   virtual void GetInterpolatedForward (csVector3& pos)
00251   {
00252     pos.x = spline.GetInterpolatedDimension (6);
00253     pos.y = spline.GetInterpolatedDimension (7);
00254     pos.z = spline.GetInterpolatedDimension (8);
00255   }
00257   float const* GetDimensionValues (int dim) const
00258   {
00259     return spline.GetDimensionValues(dim);
00260   }
00262   float GetDimensionValue (int dim, int idx) const
00263   {
00264     return spline.GetDimensionValue(dim, idx);
00265   }
00270   void InsertPoint (int idx)
00271   {
00272     spline.InsertPoint(idx);
00273   }
00275   void RemovePoint (int idx)
00276   {
00277     spline.RemovePoint(idx);
00278   }
00279 };
00280 
00283 #endif // __CS_PATH_H__

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