Torque3D/Engine/source/math/mQuadPatch.h

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#ifndef _MQUADPATCH_H_
#define _MQUADPATCH_H_

#ifndef _PLATFORM_H_
#include "platform/platform.h"
#endif
#ifndef _MPOINT3_H_
#include "math/mPoint3.h"
#endif
#ifndef _MSPLINEPATCH_H_
#include "math/mSplinePatch.h"
#endif

//------------------------------------------------------------------------------
/// Quadratic spline patch.  This is a special type of spline that only had 3 control points.
/// @see SplinePatch
class QuadPatch : public SplinePatch
{
   typedef SplinePatch Parent;

private:
   Point3F a, b, c;

   void calcABC( const Point3F *points );

public:

   QuadPatch();

   virtual void   calc( F32 t, Point3F &result );
   virtual void   calc( Point3F *points, F32 t, Point3F &result );
   virtual void   setControlPoint( Point3F &point, S32 index );
   virtual void   submitControlPoints( SplCtrlPts &points );


};



#endif