C++ (Cpp) SetInertia Examples

Example #1

File: pEngine.cpp Project: gbaumgart/vt

void pEngine::setToDefault()
{

		
	char   buf[128],fname[128];
	position.Set(0,0,0);
	size = 0.0f;
	maxRPM = 8000;
	idleRPM = 1110;
	mass = 0.0f;

	// Physical attribs
#ifdef OBS
	sprintf(buf,"%s.rolling_friction_coeff",path);
	rollingFrictionCoeff=info->GetFloat(buf);
#endif
	
	torqueReaction=1.0f;
	maxTorque=468;
	SetInertia(0.35f);
	
#ifdef OBS
	sprintf(buf,"%s.inertia.final_drive",path);
	inertiaDriveShaft=info->GetFloat(buf);
#endif
	
	friction=0.0f;
	brakingCoeff=3.3f;
	//flags|=HAS_STARTER;
//	if(info->GetInt(buf,1))
//	flags|=START_STALLED;
//	sprintf(buf,"%s.starter_torque",path);
	starterTorque=90.0f;
	stallRPM=400.0f;
	stallRPM=1250.0f;
	autoClutchRPM=1250.0f;

	//flags|=AUTOMATIC;
	flags|=AUTOCLUTCH_ACTIVE;

	PreCalculate();


	

}

Example #2

File: physics_object.cpp Project: RaisingTheDerp/raisingthebar

void CPhysicsObject::InitFromTemplate( CPhysicsEnvironment *pEnvironment, void *pGameData, const vphysics_save_cphysicsobject_t &objectTemplate )
{
	m_collideType = objectTemplate.collideType;

	IVP_Template_Real_Object ivpObjectTemplate;
	IVP_U_Quat rotation;
	IVP_U_Point pos;

	ConvertRotationToIVP( objectTemplate.angles, rotation );
	ConvertPositionToIVP( objectTemplate.origin, pos );

	ivpObjectTemplate.mass = objectTemplate.mass;
	
	if ( objectTemplate.materialIndex >= 0 )
	{
		ivpObjectTemplate.material = physprops->GetIVPMaterial( objectTemplate.materialIndex );
	}
	else
	{
		ivpObjectTemplate.material = physprops->GetIVPMaterial( physprops->GetSurfaceIndex( "default" ) );
	}

	Assert( ivpObjectTemplate.material );
	// HACKHACK: Pass this name in for debug
	ivpObjectTemplate.set_name(objectTemplate.pName);
	ivpObjectTemplate.set_nocoll_group_ident( NULL );

	ivpObjectTemplate.physical_unmoveable = objectTemplate.isStatic ? IVP_TRUE : IVP_FALSE;
	ivpObjectTemplate.rot_inertia_is_factor = IVP_TRUE;

	ivpObjectTemplate.rot_inertia.set( 1,1,1 );
	ivpObjectTemplate.rot_speed_damp_factor.set( objectTemplate.rotSpeedDamping, objectTemplate.rotSpeedDamping, objectTemplate.rotSpeedDamping );
	ivpObjectTemplate.speed_damp_factor = objectTemplate.speedDamping;

    IVP_U_Matrix massCenterMatrix;
    massCenterMatrix.init();
	const Vector *massOverride = 0;
	if ( objectTemplate.massCenterOverride != vec3_origin )
	{
		IVP_U_Point center;
		ConvertPositionToIVP( objectTemplate.massCenterOverride, center );
		massCenterMatrix.shift_os( &center );
		ivpObjectTemplate.mass_center_override = &massCenterMatrix;
		massOverride = &objectTemplate.massCenterOverride;
	}

	IVP_Real_Object *realObject = NULL;
	if ( m_collideType == COLLIDE_BALL )
	{
		IVP_Template_Ball ballTemplate;
		ballTemplate.radius = ConvertDistanceToIVP( objectTemplate.sphereRadius );

		realObject = pEnvironment->GetIVPEnvironment()->create_ball( &ballTemplate, &ivpObjectTemplate, &rotation, &pos );
	}
	else
	{
		const IVP_Compact_Surface *pSurface = (const IVP_Compact_Surface *)objectTemplate.pCollide;
		IVP_SurfaceManager_Polygon *surman = new IVP_SurfaceManager_Polygon( pSurface );
		realObject = pEnvironment->GetIVPEnvironment()->create_polygon(surman, &ivpObjectTemplate, &rotation, &pos);
	}


	Init( realObject, objectTemplate.materialIndex, objectTemplate.volume, objectTemplate.dragCoefficient, objectTemplate.dragCoefficient, massOverride );

	SetInertia( objectTemplate.rotInertia );
	
	// will wake up the object
	if ( objectTemplate.velocity.LengthSqr() != 0 || objectTemplate.angVelocity.LengthSqr() != 0 )
	{
		Assert( !objectTemplate.isAsleep );
		SetVelocity( &objectTemplate.velocity, &objectTemplate.angVelocity );
	}

	SetCallbackFlags( (unsigned short) objectTemplate.callbacks );
	SetGameFlags( (unsigned short) objectTemplate.gameFlags );

	SetGameData( pGameData );
	SetContents( objectTemplate.contentsMask );

	if ( objectTemplate.dragEnabled )
	{
		Assert( !objectTemplate.isStatic );
		EnableDrag( true );
	}

	if ( !objectTemplate.motionEnabled )
	{
		Assert( !objectTemplate.isStatic );
		EnableMotion( false );
	}

	if ( objectTemplate.isTrigger )
	{
		BecomeTrigger();
	}

	if ( !objectTemplate.gravityEnabled )
	{
		EnableGravity( false );
	}

	if ( objectTemplate.collisionEnabled )
	{
		EnableCollisions( true );
	}

	if ( !objectTemplate.isAsleep )
	{
		Assert( !objectTemplate.isStatic );
		Wake();
	}
	m_pShadow = NULL;
}