GAS/GAS_GrainObject.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GAS_GrainObject.C ( GAS Library, C++)
 *
 * COMMENTS:    Create composite-sphere grain object.
 *
 */

#ifndef __GAS_GrainObject__
#define __GAS_GrainObject__

#include "GAS_API.h"

#include <UT/UT_RefArray.h>
#include <UT/UT_Vector3.h>

#include <GU/GU_Detail.h>

class GAS_API GAS_GrainSphere
{
public:
    UT_Vector3          myCenter;
    fpreal              myRadius;
    int                 myParticle;
    int                 mySphereID;  
};

class GAS_API GAS_GrainObject
{
public:
    GAS_GrainObject();
    ~GAS_GrainObject();

    // Build an instanced grain from a base grain and an
    // appropriate transform.
    void        instanceFrom(const GAS_GrainObject *base, 
                             int ptnum, 
                             const UT_DMatrix4 &xform);

    // Build a grain from the gdp that defines spheres
    // instanced onto a geometry.
    void        buildGrainFromGdp(const GU_Detail *gdp);

    UT_RefArray<GAS_GrainSphere>        mySpheres;
    int                                 myParticle;
};

#endif

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