C++ (Cpp) CPhysicsObject::SetRollingDrag Examples

Example #1

File: physics_object.cpp Project: RaisingTheDerp/raisingthebar

CPhysicsObject *CreatePhysicsSphere( CPhysicsEnvironment *pEnvironment, float radius, int materialIndex, const Vector &position, const QAngle &angles, objectparams_t *pParams, bool isStatic )
{
	IVP_U_Quat rotation;
	IVP_U_Point pos;

	ConvertRotationToIVP( angles, rotation );
	ConvertPositionToIVP( position, pos );

	IVP_Template_Real_Object objectTemplate;
	InitObjectTemplate( objectTemplate, materialIndex, pParams, isStatic );

	IVP_Template_Ball ballTemplate;
	ballTemplate.radius = ConvertDistanceToIVP( radius );
	IVP_Ball *realObject = pEnvironment->GetIVPEnvironment()->create_ball( &ballTemplate, &objectTemplate, &rotation, &pos );

	float volume = pParams->volume;
	if ( volume <= 0 )
	{
		volume = 4.0f * radius * radius * radius * M_PI / 3.0f;
	}
	CPhysicsObject *pObject = new CPhysicsObject();
	pObject->Init( realObject, materialIndex, volume, 0, 0, NULL ); //, pParams->dragCoefficient, pParams->dragCoefficient
	pObject->SetGameData( pParams->pGameData );

	if ( pParams->enableCollisions )
	{
		pObject->EnableCollisions( true );
	}
	// drag is not supported on spheres
	//pObject->EnableDrag( false );
	// no rolling drag by default
	pObject->SetRollingDrag( 0 );

	return pObject;
}

Example #2

File: physics_object.cpp Project: RaisingTheDerp/raisingthebar

CPhysicsObject *CreatePhysicsObject( CPhysicsEnvironment *pEnvironment, const CPhysCollide *pCollisionModel, int materialIndex, const Vector &position, const QAngle& angles, objectparams_t *pParams, bool isStatic )
{
	IVP_Template_Real_Object objectTemplate;
	IVP_U_Quat rotation;
	IVP_U_Point pos;

	ConvertRotationToIVP( angles, rotation );
	ConvertPositionToIVP( position, pos );

	InitObjectTemplate( objectTemplate, materialIndex, pParams, isStatic );

    IVP_U_Matrix massCenterMatrix;
    massCenterMatrix.init();
	if ( pParams->massCenterOverride )
	{
		IVP_U_Point center;
		ConvertPositionToIVP( *pParams->massCenterOverride, center );
		massCenterMatrix.shift_os( &center );
		objectTemplate.mass_center_override = &massCenterMatrix;
	}

	CPhysicsObject *pObject = new CPhysicsObject();
	IVP_SurfaceManager *pSurman = CreateSurfaceManager( pCollisionModel, pObject->m_collideType );

	BEGIN_IVP_ALLOCATION();

	IVP_Polygon *realObject = pEnvironment->GetIVPEnvironment()->create_polygon(pSurman, &objectTemplate, &rotation, &pos);

	pObject->Init( realObject, materialIndex, pParams->volume, pParams->dragCoefficient, pParams->dragCoefficient, pParams->massCenterOverride );
	pObject->SetGameData( pParams->pGameData );

	if ( pParams->enableCollisions )
	{
		pObject->EnableCollisions( true );
	}
	if ( !isStatic && pParams->dragCoefficient != 0.0f )
	{
		pObject->EnableDrag( true );
	}
	pObject->SetRollingDrag( pParams->rollingDrag );

	END_IVP_ALLOCATION();

	return pObject;
}