78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
// Filename: baseIntegrator.h
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// Created by: charles (11Aug00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef BASEINTEGRATOR_H
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#define BASEINTEGRATOR_H
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#include "pandabase.h"
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#include "pointerTo.h"
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#include "referenceCount.h"
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#include "luse.h"
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#include "linearForce.h"
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#include "angularForce.h"
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#include "pvector.h"
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class Physical;
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////////////////////////////////////////////////////////////////////
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// Class : BaseIntegrator
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// Description : pure virtual integrator class that holds cached
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// matrix information that really should be common to
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// any possible child implementation.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDAPHYSICS BaseIntegrator : public ReferenceCount {
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public:
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typedef pvector<LMatrix4f> MatrixVector;
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typedef pvector<PT(LinearForce)> LinearForceVector;
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typedef pvector<PT(AngularForce)> AngularForceVector;
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virtual ~BaseIntegrator();
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virtual void output(ostream &out) const;
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virtual void write_precomputed_linear_matrices(ostream &out,
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unsigned int indent=0) const;
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virtual void write_precomputed_angular_matrices(ostream &out,
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unsigned int indent=0) const;
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virtual void write(ostream &out, unsigned int indent=0) const;
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protected:
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BaseIntegrator();
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INLINE const MatrixVector &get_precomputed_linear_matrices() const;
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INLINE const MatrixVector &get_precomputed_angular_matrices() const;
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void precompute_linear_matrices(Physical *physical,
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const LinearForceVector &forces);
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void precompute_angular_matrices(Physical *physical,
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const AngularForceVector &forces);
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private:
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// since the wrt for each physicsobject between its physicalnode
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// and however many forces will be the same among one physical,
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// the transformation matrices can be pulled out of the inner loop
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// and precomputed.
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MatrixVector _precomputed_linear_matrices;
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MatrixVector _precomputed_angular_matrices;
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};
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#include "baseIntegrator.I"
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#endif // BASEINTEGRATOR_H
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