本文整理汇总了C++中IVP_U_Float_Point::dot_product方法的典型用法代码示例。如果您正苦于以下问题：C++ IVP_U_Float_Point::dot_product方法的具体用法？C++ IVP_U_Float_Point::dot_product怎么用？C++ IVP_U_Float_Point::dot_product使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IVP_U_Float_Point的用法示例。
在下文中一共展示了IVP_U_Float_Point::dot_product方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GetEnergy
// convert square velocity magnitude from IVP to HL
float CPhysicsObject::GetEnergy()
{
IVP_Core *pCore = m_pObject->get_core();
IVP_FLOAT energy = 0.0f;
IVP_U_Float_Point tmp;
energy = 0.5f * pCore->get_mass() * pCore->speed.dot_product(&pCore->speed); // 1/2mvv
tmp.set_pairwise_mult(&pCore->rot_speed, pCore->get_rot_inertia()); // wI
energy += 0.5f * tmp.dot_product(&pCore->rot_speed); // 1/2mvv + 1/2wIw
return ConvertEnergyToHL( energy );
}示例2: MaxSpeed
void CShadowController::MaxSpeed( const Vector &velocity, const AngularImpulse &angularVelocity )
{
IVP_Core *pCore = m_pObject->GetObject()->get_core();
// limit additional velocity to that which is not amplifying the current velocity
IVP_U_Float_Point ivpVel;
ConvertPositionToIVP( velocity, ivpVel );
IVP_U_Float_Point available = ivpVel;
m_currentSpeed = ivpVel;
// normalize and save length
float length = ivpVel.real_length_plus_normize();
float dot = ivpVel.dot_product( &pCore->speed );
if ( dot > 0 )
{
ivpVel.mult( dot * length );
available.subtract( &ivpVel );
}
IVP_Float_PointAbs( m_shadow.maxSpeed, available );
// same for angular, project on to current and remove redundant (amplifying) input
IVP_U_Float_Point ivpAng;
ConvertAngularImpulseToIVP( angularVelocity, ivpAng );
IVP_U_Float_Point availableAng = ivpAng;
float lengthAng = ivpAng.real_length_plus_normize();
float dotAng = ivpAng.dot_product( &pCore->rot_speed );
if ( dotAng > 0 )
{
ivpAng.mult( dotAng * lengthAng );
availableAng.subtract( &ivpAng );
}
IVP_Float_PointAbs( m_shadow.maxAngular, availableAng );
}示例3: DoSimulationPontoonsGround
//-----------------------------------------------------------------------------
// Purpose: Handle pontoons on ground.
//-----------------------------------------------------------------------------
void IVP_Controller_Raycast_Airboat::DoSimulationPontoonsGround( IVP_Raycast_Airboat_Wheel *pPontoonPoint,
IVP_Raycast_Airboat_Pontoon_Temp *pTempPontoon,
IVP_Raycast_Airboat_Impact *pImpact, IVP_Event_Sim *pEventSim,
IVP_Core *pAirboatCore )
{
// Check to see if we hit anything, otherwise the no force on this point.
IVP_DOUBLE flDiff = pPontoonPoint->raycast_dist - pPontoonPoint->raycast_length;
if ( flDiff >= 0 )
return;
IVP_FLOAT flSpringConstant, flSpringRelax, flSpringCompress;
flSpringConstant = pPontoonPoint->spring_constant;
flSpringRelax = pPontoonPoint->spring_damp_relax;
flSpringCompress = pPontoonPoint->spring_damp_compress;
IVP_DOUBLE flForce = -flDiff * flSpringConstant;
IVP_FLOAT flInvNormalDotDir = pTempPontoon->inv_normal_dot_dir;
if ( flInvNormalDotDir < 0.0f ) { flInvNormalDotDir = 0.0f; }
if ( flInvNormalDotDir > 3.0f ) { flInvNormalDotDir = 3.0f; }
flForce *= flInvNormalDotDir;
IVP_U_Float_Point vecSpeedDelta;
vecSpeedDelta.subtract( &pTempPontoon->projected_surface_speed_wheel_ws, &pTempPontoon->surface_speed_wheel_ws );
IVP_DOUBLE flSpeed = vecSpeedDelta.dot_product( &pTempPontoon->raycast_dir_ws );
if ( flSpeed > 0 )
{
flForce -= flSpringRelax * flSpeed;
}
else
{
flForce -= flSpringCompress * flSpeed;
}
if ( flForce < 0 )
{
flForce = 0.0f;
}
IVP_DOUBLE flImpulse = flForce * pEventSim->delta_time;
IVP_U_Float_Point vecImpulseWS;
vecImpulseWS.set_multiple( &pTempPontoon->ground_normal_ws, flImpulse );
pAirboatCore->push_core_ws( &pTempPontoon->ground_hit_ws, &vecImpulseWS );
}