SurfaceParams.h

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//-----------------------------------------------------------------------------------
//
// Pro-Vocation Light Engine (PVLE)
// Copyright (C) 2007-2009  Sukender, KinoX & Buzib
// For more information, contact us : sukender@free.fr
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// For any use that is not compatible with the terms of the GNU 
// General Public License, please contact the authors for alternative
// licensing options.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
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//-----------------------------------------------------------------------------------

#ifndef PHY_SURFACE_PARAMS_H
#define PHY_SURFACE_PARAMS_H

#include <PVLE/Export.h>
#include <ode/ode.h>
#include <osg/Vec3>

namespace Physics {

static const dReal PHY_INFINITY = dInfinity;

class Contact;

class SurfaceParams : public dSurfaceParameters {
public:
    enum ESurfaceMode {
        NONE = 0,
        MU2 = dContactMu2,
        FDIR1 = dContactFDir1,
        BOUNCE = dContactBounce,
        SOFT_ERP = dContactSoftERP,
        SOFT_CFM = dContactSoftCFM,
        MOTION1 = dContactMotion1,
        MOTION2 = dContactMotion2,
        MOTION_N = dContactMotionN,
        SLIP1 = dContactSlip1,
        SLIP2 = dContactSlip2,
        APPROX1_1 = dContactApprox1_1,
        APPROX1_2 = dContactApprox1_2,
        APPROX1 = dContactApprox1
    };

    SurfaceParams() { mode=0; mu=PHY_INFINITY; bounce_vel=PHY_INFINITY; }
    SurfaceParams(int mode, dReal mu, dReal mu2=0, dReal bounce=0, dReal bounce_vel=0, dReal soft_erp=0, dReal soft_cfm=0, dReal motion1=0, dReal motion2=0, dReal motionN=0, dReal slip1=0, dReal slip2=0) {
        this->mode=mode; this->mu=mu; this->mu2=mu2; this->bounce=bounce; this->bounce_vel=bounce_vel; this->soft_erp=soft_erp; this->soft_cfm=soft_cfm; this->motion1=motion1; this->motion2=motion2; this->motionN=motionN; this->slip1=slip1; this->slip2=slip2;
    }
    //SurfaceParams(SurfaceParams & sp) { static_cast<dSurfaceParameters &>(&this) = static_cast<dSurfaceParameters &>(sp); }

    PVLE_EXPORT void mergeInto(const SurfaceParams & s1, const SurfaceParams & s2);

protected:
    friend class Contact;

    static SurfaceParams & asSurfaceParams(dSurfaceParameters & sp) { return static_cast<SurfaceParams &>(sp); }
    static const SurfaceParams & asSurfaceParams(const dSurfaceParameters & sp) { return static_cast<const SurfaceParams &>(sp); }
};

namespace Materials {
    static const SurfaceParams DEFAULT(0, 1);
}

}   // namespace Physics

#endif  // PHY_SURFACE_PARAMS_H

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