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C++ Fvector::square_magnitude方法代码示例

本文整理汇总了C++中Fvector::square_magnitude方法的典型用法代码示例。如果您正苦于以下问题：C++ Fvector::square_magnitude方法的具体用法？C++ Fvector::square_magnitude怎么用？C++ Fvector::square_magnitude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Fvector的用法示例。


在下文中一共展示了Fvector::square_magnitude方法的14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: ConeSphereIntersection

////////////////////////////////////////////////////////////////////////////////////////////////
// Функция ConeSphereIntersection
// Пересечение конуса (не ограниченного) со сферой
// Необходима для определения пересечения копыта плоти с баунд-сферой крысы
// Параметры: ConeVertex - вершина конуса, ConeAngle - угол конуса (между поверхностью и высотой)
// ConeDir - направление конуса, SphereCenter - центр сферы, SphereRadius - радиус сферы
bool CAI_Flesh::ConeSphereIntersection(Fvector ConeVertex, float ConeAngle, Fvector ConeDir, Fvector SphereCenter, float SphereRadius)
{
	float fInvSin = 1.0f/_sin(ConeAngle);
	float fCosSqr = _cos(ConeAngle)*_cos(ConeAngle);

	
	Fvector kCmV;	kCmV.sub(SphereCenter,ConeVertex);
	Fvector kD		= kCmV;
	Fvector tempV	= ConeDir;
	tempV.mul		(SphereRadius* fInvSin);
	kD.add			(tempV);

	float fDSqrLen = kD.square_magnitude();
	float fE = kD.dotproduct(ConeDir);
	if ( fE > 0.0f && fE*fE >= fDSqrLen*fCosSqr ) {
		
		float fSinSqr = _sin(ConeAngle)*_sin(ConeAngle);

		fDSqrLen = kCmV.square_magnitude();
		fE = -kCmV.dotproduct(ConeDir);
		if ( fE > 0.0f && fE*fE >= fDSqrLen*fSinSqr ) {
			float fRSqr = SphereRadius*SphereRadius;
			return fDSqrLen <= fRSqr;
		} else return true;
	} 
	
	return false;
}
开发者ID:OLR-xray，项目名称:OLR-3.0，代码行数:34，代码来源:flesh.cpp

示例2: SqrDistancePointToSegment

float SqrDistancePointToSegment(const Fvector& pt, const Fvector& orig, const Fvector& dir)
{
	Fvector diff;	diff.sub(pt,orig);
	float fT		= diff.dotproduct(dir);

	if ( fT <= 0.0f ){
		fT = 0.0f;
	}else{
		float fSqrLen= dir.square_magnitude();
		if ( fT >= fSqrLen ){
			fT = 1.0f;
			diff.sub(dir);
		}else{
			fT /= fSqrLen;
			diff.sub(Fvector().mul(dir,fT));
		}
	}

	return diff.square_magnitude();
}
开发者ID:OLR-xray，项目名称:OLR-3.0，代码行数:20，代码来源:Level_Bullet_Manager.cpp

示例3: PathDIrPoint

void CPHMovementControl::PathDIrPoint(const xr_vector<DetailPathManager::STravelPathPoint> &path,  int index,  float distance,  float precesition, Fvector &dir  )
{
	Fvector to_path_point;
	Fvector corrected_path_dir;CorrectPathDir(GetPathDir(),path,index,corrected_path_dir);
	to_path_point.sub(vPathPoint,vPosition);	//_new position
	float mag=to_path_point.magnitude();

	if(mag<EPS) //near the point
	{  
		if(0==index||m_path_size-1==index) //on path eidge
		{
			dir.set(corrected_path_dir);//??
			return;
		}
		dir.sub(path[index].position,path[index-1].position);
		dir.normalize_safe();
		dir.add(corrected_path_dir);
		dir.normalize_safe();
	}
	to_path_point.mul(1.f/mag);
	if(m_path_size-1==index)//on_path_edge
	{
		dir.set(to_path_point);
		return;
	}


	if(mag<EPS||fis_zero(dXZMag(to_path_point),EPS))
	{
		dir.set(corrected_path_dir);
		return;//mean dir
	}
	
	Fvector tangent;
	tangent.crossproduct(Fvector().set(0,1,0),to_path_point);

	VERIFY(!fis_zero(tangent.magnitude()));
	tangent.normalize();
	if(dir.square_magnitude()>EPS)
	{
		if(tangent.dotproduct(dir)<0.f)tangent.invert();
	}
	else
	{
		if(tangent.dotproduct(corrected_path_dir)<0.f)tangent.invert();
	}

	if(mag>FootRadius())to_path_point.mul(precesition);
	else to_path_point.mul(mag*precesition);
	dir.add(tangent,to_path_point);
	dir.normalize_safe();
}
开发者ID:OLR-xray，项目名称:XRay-NEW，代码行数:52，代码来源:PHMovementControl.cpp

示例4: 

void CAI_Stalker::can_kill_entity		(const Fvector &position, const Fvector &direction, float distance, collide::rq_results& rq_storage)
{
	VERIFY							(!fis_zero(direction.square_magnitude()));

	collide::ray_defs				ray_defs(position,direction,distance,CDB::OPT_CULL,collide::rqtBoth);
	VERIFY							(!fis_zero(ray_defs.dir.square_magnitude()));
	
	ray_query_param					params(this,memory().visual().transparency_threshold(),distance);

	Level().ObjectSpace.RayQuery	(rq_storage,ray_defs,ray_query_callback,&params,NULL,this);
	m_can_kill_enemy				= m_can_kill_enemy  || params.m_can_kill_enemy;
	m_can_kill_member				= m_can_kill_member || params.m_can_kill_member;
	m_pick_distance					= _max(m_pick_distance,params.m_pick_distance);
}
开发者ID:OLR-xray，项目名称:XRay-NEW，代码行数:14，代码来源:ai_stalker_fire.cpp

示例5: direction

Fvector CDetailPathManager::direction() const
{
	if ((m_path.size() < 2) || (m_path.size() <= m_current_travel_point + 1))
		return				(Fvector().set(0,0,1));
	
	Fvector					direction;
	direction.sub			(m_path[m_current_travel_point + 1].position, m_path[m_current_travel_point].position);

	if (direction.square_magnitude() < EPS_L)
		direction.set		(0.f,0.f,1.f);
	else
		direction.normalize	();

	return					(direction);
}
开发者ID:OLR-xray，项目名称:OLR-3.0，代码行数:15，代码来源:detail_path_manager.cpp

示例6: 

void	CPHMovementControl::TraceBorder(const Fvector &prev_position)
{

	const Fvector	&from_pos			=prev_position						;
	const Fvector	&to_position		=vPosition							;
	Fvector dir;	dir					.sub(to_position,from_pos)			;
	float sq_mag	=					dir.square_magnitude()				;
	if(sq_mag==0.f) return													;
	float mag=_sqrt(sq_mag)													;
	dir.mul(1.f/mag)														;
	collide::ray_defs	RD		(from_pos,dir,mag,0,collide::rqtStatic)		;
	VERIFY							(!fis_zero(RD.dir.square_magnitude()))	;

	STraceBorderQParams			p(this,dir);
	storage.r_clear				();
	g_pGameLevel->ObjectSpace.RayQuery(storage,RD,BorderTraceCallback,&p,NULL,static_cast<CObject*>(m_character->PhysicsRefObject()));
}
开发者ID:OLR-xray，项目名称:XRay-NEW，代码行数:17，代码来源:PHMovementControl.cpp

示例7: 

void CDrawUtilities::DrawPlane	(const Fvector& p, const Fvector& n, const Fvector2& scale, u32 clr_s, u32 clr_w, BOOL bCull, BOOL bSolid, BOOL bWire)
{
	if (n.square_magnitude()<EPS_S) return;
    // build final rotation / translation
    Fvector             L_dir,L_up=n,L_right;
    L_dir.set           (0,0,1);				if (_abs(L_up.dotproduct(L_dir))>.99f)  L_dir.set(1,0,0);
    L_right.crossproduct(L_up,L_dir);           L_right.normalize	();
    L_dir.crossproduct  (L_right,L_up);        	L_dir.normalize		();

    Fmatrix         	mR;
    mR.i                = L_right;              mR._14          = 0;
    mR.j                = L_up;                 mR._24          = 0;
    mR.k                = L_dir;                mR._34          = 0;
    mR.c                = p;			  		mR._44          = 1;
	
	// fill VB
	_VertexStream*	Stream	= &RCache.Vertex;
	u32			vBase;
    
    if (bSolid){
	    DU_DRAW_SH(dxRenderDeviceRender::Instance().m_SelectionShader);
        FVF::L*	pv	 = (FVF::L*)Stream->Lock(5,vs_L->vb_stride,vBase);
        pv->set		(-scale.x, 0, -scale.y, clr_s); mR.transform_tiny(pv->p); pv++;
        pv->set		(-scale.x, 0, +scale.y, clr_s); mR.transform_tiny(pv->p); pv++;
        pv->set		(+scale.x, 0, +scale.y, clr_s); mR.transform_tiny(pv->p); pv++;
        pv->set		(+scale.x, 0, -scale.y, clr_s); mR.transform_tiny(pv->p); pv++;
        pv->set		(*(pv-4));
        Stream->Unlock(5,vs_L->vb_stride);
        if (!bCull) DU_DRAW_RS(D3DRS_CULLMODE,D3DCULL_NONE);
        DU_DRAW_DP		(D3DPT_TRIANGLEFAN,vs_L,vBase,2);
        if (!bCull) DU_DRAW_RS(D3DRS_CULLMODE,D3DCULL_CCW);
    }

    if (bWire){
	    DU_DRAW_SH(dxRenderDeviceRender::Instance().m_WireShader);
        FVF::L*	pv	 = (FVF::L*)Stream->Lock(5,vs_L->vb_stride,vBase);
        pv->set		(-scale.x, 0, -scale.y, clr_w); mR.transform_tiny(pv->p); pv++;
        pv->set		(+scale.x, 0, -scale.y, clr_w); mR.transform_tiny(pv->p); pv++;
        pv->set		(+scale.x, 0, +scale.y, clr_w); mR.transform_tiny(pv->p); pv++;
        pv->set		(-scale.x, 0, +scale.y, clr_w); mR.transform_tiny(pv->p); pv++;
        pv->set		(*(pv-4));
        Stream->Unlock(5,vs_L->vb_stride);
	    DU_DRAW_DP	(D3DPT_LINESTRIP,vs_L,vBase,4);
    }
}
开发者ID:galek，项目名称:xray，代码行数:45，代码来源:D3DUtils.cpp

示例8: DefaultMovingProcess

bool __fastcall TUI_CustomControl::DefaultMovingProcess(TShiftState Shift, Fvector& amount){
    if (Shift.Contains(ssLeft)||Shift.Contains(ssRight)){
        amount.mul( m_MovingXVector, UI->m_MouseSM * UI->m_DeltaCpH.x );
        amount.mad( amount, m_MovingYVector, -UI->m_MouseSM * UI->m_DeltaCpH.y );

        if( Tools->GetSettings(etfMSnap) ){
        	CHECK_SNAP(m_MovingReminder.x,amount.x,Tools->m_MoveSnap);
        	CHECK_SNAP(m_MovingReminder.y,amount.y,Tools->m_MoveSnap);
        	CHECK_SNAP(m_MovingReminder.z,amount.z,Tools->m_MoveSnap);
        }

        if (!(etAxisX==Tools->GetAxis())&&!(etAxisZX==Tools->GetAxis())) amount.x = 0.f;
        if (!(etAxisZ==Tools->GetAxis())&&!(etAxisZX==Tools->GetAxis())) amount.z = 0.f;
        if (!(etAxisY==Tools->GetAxis())) amount.y = 0.f;

        return (amount.square_magnitude()>EPS_S);
	}
    return false;
}
开发者ID:NeoAnomaly，项目名称:xray，代码行数:19，代码来源:ESceneControlsCustom.cpp

示例9: UpdateOnFrame

void SArtefactDetectorsSupport::UpdateOnFrame()
{
	if(m_currPatrolPath && !m_parent->getVisible())
	{
		if(m_parent->Position().distance_to(m_destPoint) < 2.0f)
		{
			CPatrolPath::const_iterator b,e;
			m_currPatrolPath->begin(m_currPatrolVertex,b,e);
			if(b!=e)
			{
				std::advance(b, ::Random.randI(s32(e-b)));
				m_currPatrolVertex	= m_currPatrolPath->vertex((*b).vertex_id());
				m_destPoint			= m_currPatrolVertex->data().position();
			}	
		}
		float		cos_et	= _cos(deg2rad(45.f));
		Fvector		dir;
		dir.sub		(m_destPoint, m_parent->Position()).normalize_safe();

		Fvector v;
		m_parent->PHGetLinearVell(v);
		float	cosa		= v.dotproduct(dir);
		if(v.square_magnitude() < (0.7f*0.7f) || (cosa<cos_et) )
		{
			Fvector			power = dir;
			power.y			+= 1.0f;
			power.mul		(m_path_moving_force);
			m_parent->m_pPhysicsShell->applyGravityAccel(power);
		}
	}

	if(m_parent->getVisible() && m_parent->GetAfRank()!=0 && m_switchVisTime+5000 < Device.dwTimeGlobal)
		SetVisible(false);

	u32 dwDt = 2*3600*1000/10; //2 hour of game time
	if(!m_parent->getVisible() && m_switchVisTime+dwDt < Device.dwTimeGlobal)
	{
		m_switchVisTime		= Device.dwTimeGlobal;
		if(m_parent->Position().distance_to(Device.vCameraPosition)>40.0f)
			Blink			();
	}
}
开发者ID:AntonioModer，项目名称:xray-16，代码行数:42，代码来源:Artefact.cpp

示例10: TestPassEffect

float CExplosive::TestPassEffect(const	Fvector	&source_p,	const	Fvector	&dir,float range,float ef_radius,collide::rq_results& storage, CObject* blasted_obj)
{
	float sq_ef_radius=ef_radius*ef_radius;
	float dist_factor	=		sq_ef_radius/(range*range*(exp_dist_extinction_factor-1.f)+sq_ef_radius);
	float shoot_factor=1.f;
	if(range>EPS_L)
	{
		VERIFY(!fis_zero(dir.square_magnitude()));
		collide::ray_defs	RD		(source_p,dir,range,CDB::OPT_CULL,collide::rqtBoth);
		VERIFY							(!fis_zero(RD.dir.square_magnitude()));
#ifdef DEBUG
		SExpQParams			ep		(source_p,dir);
#else
		SExpQParams			ep;
#endif
		g_pGameLevel->ObjectSpace.RayQuery(storage,RD,grenade_hit_callback,&ep,NULL,blasted_obj);
		shoot_factor=ep.shoot_factor;
	}
	else return dist_factor;
	return shoot_factor*dist_factor;
}
开发者ID:OLR-xray，项目名称:OLR-3.0，代码行数:21，代码来源:Explosive.cpp

示例11: SetFirePointLookAngles

void CSightManager::SetFirePointLookAngles(const Fvector &tPosition, float &yaw, float &pitch, const CGameObject *object)
{
	Fvector			tTemp;

	if (object && object->use_center_to_aim()) {
		m_object->Center(tTemp);
#if 1
		//. hack is here, just because our actor model is animated with 20cm shift
		m_object->XFORM().transform_tiny(tTemp,Fvector().set(.2f,tTemp.y - m_object->Position().y,0.f));
#else
		const CEntityAlive	*entity_alive = smart_cast<const CEntityAlive*>(object);
		if (!entity_alive || entity_alive->g_Alive()) {
			tTemp.x		= m_object->Position().x;
			tTemp.z		= m_object->Position().z;
		}
#endif
		tTemp.sub		(tPosition,Fvector(tTemp));
		if (fis_zero(tTemp.square_magnitude()))
			tTemp.set	(0.f,0.f,1.f);
	}
	else {
		Fvector		my_position;
		if (m_object->eye_matrix.c.distance_to_xz_sqr(tPosition) < .1f)
			my_position	= m_object->Position();
		else
			my_position	= m_object->eye_matrix.c;

		tTemp.sub	(tPosition,my_position);
	}

	tTemp.getHP		(yaw,pitch);
	VERIFY			(_valid(yaw));
	VERIFY			(_valid(pitch));
	yaw				*= -1;
	pitch			*= -1;
}
开发者ID:OLR-xray，项目名称:OLR-3.0，代码行数:36，代码来源:sight_manager.cpp

示例12: g_fireParams

void CAI_Stalker::g_fireParams(const CHudItem* pHudItem, Fvector& P, Fvector& D)
{
//.	VERIFY				(inventory().ActiveItem());
	if (!inventory().ActiveItem()) {
#ifdef DEBUG
		Msg				("! CAI_Stalker::g_fireParams() : VERIFY(inventory().ActiveItem())");
#endif // DEBUG
		P				= Position();
		D				= Fvector().set(0.f,0.f,1.f);
		return;
	}

	CWeapon				*weapon = smart_cast<CWeapon*>(inventory().ActiveItem());
	if (!weapon) {
		CMissile		*missile = smart_cast<CMissile*>(inventory().ActiveItem());
		if (missile) {
			update_throw_params	();
			P			= m_throw_position;
			D			= m_throw_direction;
			VERIFY		(!fis_zero(D.square_magnitude()));
			return;
		}
		P				= eye_matrix.c;
		D				= eye_matrix.k;
		if (weapon_shot_effector().IsActive())
			D			= weapon_shot_effector_direction(D);
		VERIFY			(!fis_zero(D.square_magnitude()));
		return;
	}

	if (!g_Alive()) {
		P				= weapon->get_LastFP();
		D				= weapon->get_LastFD();
		VERIFY			(!fis_zero(D.square_magnitude()));
		return;
	}

	switch (movement().body_state()) {
		case eBodyStateStand : {
			if (movement().movement_type() == eMovementTypeStand) {
				P		= eye_matrix.c;
				D		= eye_matrix.k;
				if (weapon_shot_effector().IsActive())
					D	= weapon_shot_effector_direction(D);
				VERIFY	(!fis_zero(D.square_magnitude()));
			}
			else {
				D.setHP	(-movement().m_head.current.yaw,-movement().m_head.current.pitch);
				if (weapon_shot_effector().IsActive())
					D			= weapon_shot_effector_direction(D);
				Center	(P);
				P.mad	(D,.5f);
				P.y		+= .50f;
//				P		= weapon->get_LastFP();
//				D		= weapon->get_LastFD();
				VERIFY	(!fis_zero(D.square_magnitude()));
			}
			return;
		}
		case eBodyStateCrouch : {
			P			= eye_matrix.c;
			D			= eye_matrix.k;
			if (weapon_shot_effector().IsActive())
				D		= weapon_shot_effector_direction(D);
			VERIFY		(!fis_zero(D.square_magnitude()));
			return;
		}
		default			: NODEFAULT;
	}

#ifdef DEBUG
	P					= weapon->get_LastFP();
	D					= weapon->get_LastFD();
	VERIFY				(!fis_zero(D.square_magnitude()));
#endif
}
开发者ID:OLR-xray，项目名称:XRay-NEW，代码行数:76，代码来源:ai_stalker_fire.cpp

示例13: CheckPointInIdentitySphere

IC bool CheckPointInIdentitySphere(const Fvector& point) {
    return (point.square_magnitude() <= 1);
}
开发者ID:Frankie-666，项目名称:xray-16，代码行数:3，代码来源:motion_simulator.cpp

示例14: render_selected

void CGlowManager::render_selected()
{
	// 2. Sort by shader
	std::sort		(Selected.begin(),Selected.end(),glow_compare);

	FVF::LIT		*pv;

	u32				pos = 0, count;
	ref_shader		T;

	Fplane			NP;
	NP.build		(Device.vCameraPosition,Device.vCameraDirection);

	float		dlim2	= MAX_GlowsDist2;
	for (;pos<Selected.size();) 
	{
		T		= ((CGlow*)Selected[pos]._get())->shader;
		count	= 0;
		while	((pos+count<Selected.size()) && (((CGlow*)Selected[pos+count]._get())->shader==T)) count++;

		u32		vOffset;
		u32		end		= pos+count;
		FVF::LIT* pvs	= pv = (FVF::LIT*) RCache.Vertex.Lock(count*4,hGeom->vb_stride,vOffset);
		for (; pos<end; pos++)
		{
			// Cull invisible 
			CGlow&	G					= *( (CGlow*)Selected[pos]._get() );
			if (G.fade<=1.f)			continue;

			// Now perform dotproduct if need it
			float	scale	= 1.f, dist_sq;
			Fvector	dir;
			dir.sub			(Device.vCameraPosition,G.position);
			dist_sq			= dir.square_magnitude();
			if (G.direction.square_magnitude()>EPS)	{
				dir.div			(_sqrt(dist_sq));
				scale			= dir.dotproduct(G.direction);
			}
			if (G.fade*scale<=1.f)		continue;

			// near fade
			float dist_np	= NP.distance(G.position)-VIEWPORT_NEAR;
			float snear		= dist_np/0.15f;	clamp	(snear,0.f,1.f);
			scale			*=	snear;
			if (G.fade*scale<=1.f)		continue;

			u32 C			= iFloor(G.fade*scale*(1-(dist_sq/dlim2)));
			u32 clr			= color_rgba(C,C,C,C);
			Fvector	gp		;
					gp.mad	(G.position,dir,G.radius*scale);
			FillSprite		(pv,G.position,G.radius,clr);
		}
		int vCount				= int(pv-pvs);
		RCache.Vertex.Unlock	(vCount,hGeom->vb_stride);
		if (vCount) {
			RCache.set_Shader		(T);
			RCache.set_Geometry		(hGeom);
			RCache.Render			(D3DPT_TRIANGLELIST,vOffset,0,vCount,0,vCount/2);
		}
	}
	Selected.clear_not_free			();
}
开发者ID:2asoft，项目名称:xray，代码行数:62，代码来源:GlowManager.cpp


注：本文中的Fvector::square_magnitude方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。