C++ Orientation::GetUp方法代码示例

ZString GetString(int indent, const Orientation& orient)
{
    return
          "Orientation("
        + GetString(indent, orient.GetUp()) + ", "
        + GetString(indent, orient.GetForward()) + ")";
}

//.........这里部分代码省略.........
                                  pside, myPosition, dtUpdate, accuracy, speed, lifespan, OT_station, 
                                  &pmodelTarget, &distance2Min, &directionMin);
                    }
                }

                if (pmodelTarget)
                {
                    if (m_launcher && (m_launcher->GetMission() != GetMyMission()))
                        m_launcher = NULL;

                    //It is going to shoot ... make it visible to everyone in the sector
                    if (!m_bSeenByAll)
                    {
                        m_bSeenByAll = true;
                        for (SideLinkIGC*   psl = m_pMission->GetSides()->first();
                             (psl != NULL);
                             psl = psl->next())
                        {
                            IsideIGC*   psideOther = psl->data();

                            if (!SeenBySide(psideOther))
                            {
                                //Does this side have any scanners in the sector?
                                ClusterSite*    pcs = pcluster->GetClusterSite();
                                const ScannerListIGC*   psl = pcs->GetScanners(psideOther->GetObjectID());
                                if ((psl->n() != 0) || (m_pMission->GetMissionParams()->bAllowAlliedViz && psideOther->AlliedSides(psideOther,pside))) //ALLY 7/3/09 VISIBILITY 7/11/09 imago
                                    SetSideVisibility(psideOther, true);
                                else
                                    m_bSeenByAll = false;
                            }
                        }
                    }

                    //We have a target ... fire along directionMin (modulo dispersion)
                    Orientation o = GetOrientation();
                    o.TurnTo(directionMin);
                    SetOrientation(o);
                    Vector  position = myPosition + m_probeType->GetEmissionPt() * o;

                    DataProjectileIGC   dataProjectile;
                    dataProjectile.projectileTypeID = m_projectileType->GetObjectID();

                    short   nShots = 0;
                    do
                    {
                        //Permute the "forward" direction slightly by a random amount
                        dataProjectile.forward = directionMin;
                        if (dispersion != 0.0f)
                        {
                            float   r = random(0.0f, dispersion);
                            float   a = random(0.0f, 2.0f * pi);
                            dataProjectile.forward += (r * cos(a)) * o.GetRight();
                            dataProjectile.forward += (r * sin(a)) * o.GetUp();

                            dataProjectile.forward.SetNormalize();
                        }

                        //We never move, so skip all the velocity calculations
                        dataProjectile.velocity = speed * dataProjectile.forward;

                        dataProjectile.lifespan = lifespan;

                        IprojectileIGC*  p = (IprojectileIGC*)(m_pMission->CreateObject(m_nextFire, OT_projectile, 
                                                                                        &dataProjectile, sizeof(dataProjectile)));
                        assert (p);
                        {
                            p->SetLauncher(m_launcher ? ((ImodelIGC*)m_launcher) : ((ImodelIGC*)this));
                            p->SetPosition(position);

                            p->SetCluster(pcluster);

                            p->Release();
                        }

                        nShots++;
                        m_nextFire += dtimeBurst;
                    }
                    while (m_nextFire < now);

                    if (m_ammo > 0)
                    {
                        m_ammo -= nShots;
                        if (m_ammo <= 0)
                        {
                            m_ammo = 0;
                            GetMyMission()->GetIgcSite()->KillProbeEvent(this);
                        }
                    }
                }
                else
                {
                    //No shots this cycle
                    m_nextFire = now;
                }
            }
        }

        TmodelIGC<IprobeIGC>::Update(now);
    }
}

//.........这里部分代码省略.........
		}

		glm::mat4 lazyOrthoAroundMap = glm::ortho(m_minWorldX, m_maxWorldX, m_minWorldY, m_maxWorldY, -m_maxWorldZ, -m_minWorldZ);

		// Get the eye camera.
		ECS::Entity* cameraEntity = m_world->GetTagManager()->GetEntityByTag("Camera");
		RootForce::Camera* camera = m_world->GetEntityManager()->GetComponent<RootForce::Camera>(cameraEntity);

		Frustum frustum = camera->m_frustum;

		glm::vec4 frustumCorners[8];
		frustumCorners[0] = glm::vec4(frustum.ntl, 1.0f);
		frustumCorners[1] = glm::vec4(frustum.ntr, 1.0f);
		frustumCorners[2] = glm::vec4(frustum.nbl, 1.0f);
		frustumCorners[3] = glm::vec4(frustum.nbr, 1.0f);
		frustumCorners[4] = glm::vec4(frustum.ftl, 1.0f);
		frustumCorners[5] = glm::vec4(frustum.ftr, 1.0f);
		frustumCorners[6] = glm::vec4(frustum.fbl, 1.0f);
		frustumCorners[7] = glm::vec4(frustum.fbr, 1.0f);
		
		// Convert camera frustrum to view space.
		for(int i = 0; i < 8; i++)
		{
			frustumCorners[i] = camera->m_viewMatrix * frustumCorners[i];
		}

		// Calculate directions.
		glm::vec3 directions[4];
		for(int i = 0; i < 4; i++)
		{
			directions[i].x = glm::normalize(frustumCorners[i+4].x - frustumCorners[i].x);
			directions[i].y = glm::normalize(frustumCorners[i+4].y - frustumCorners[i].y);
			directions[i].z = glm::normalize(frustumCorners[i+4].z - frustumCorners[i].z);
		}

		static glm::vec4 localOBB[8] = 
		{
			glm::vec4(-1.0f, -1.0f, -1.0f, 1.0f),
			glm::vec4(1.0f, -1.0f, -1.0f, 1.0f),
			glm::vec4(1.0f, 1.0f, -1.0f, 1.0f),
			glm::vec4(1.0f, 1.0f, 1.0f, 1.0f),
			glm::vec4(-1.0f, 1.0f, -1.0f, 1.0f),
			glm::vec4(-1.0f, 1.0f, 1.0f, 1.0f),
			glm::vec4(-1.0f, -1.0f, 1.0f, 1.0f),
			glm::vec4(1.0f, -1.0f, 1.0f, 1.0f)
		};

		if(RENDER_SHADOW_CASCADES >= 4)
		{
			// Define near/far planes for the sub frustrums.
			float _near[4];
			_near[0] = camera->m_frustum.m_near;
			_near[1] = 8.0f; //Daniel's 2k-values: 15, 60, 200
			_near[2] = 40.0f;
			_near[3] = 150.0f;

			float _far[4];
			_far[0] = _near[1];
			_far[1] = _near[2];
			_far[2] = _near[3];
			_far[3] = camera->m_frustum.m_far;

			// Create cascades.
			for(int i = 0; i < RENDER_SHADOW_CASCADES; i++)
			{
				AABB boundingbox;
				for(int p = 0; p < 4; p++)
				{
					glm::vec3 nearCorner;
					nearCorner = glm::swizzle<glm::X, glm::Y, glm::Z>(frustumCorners[p]);
					boundingbox.Expand(nearCorner + directions[p] * _near[i]);
					boundingbox.Expand(nearCorner + directions[p] * _far[i]);
				}

				glm::vec3 center = boundingbox.GetCenter();
				glm::vec3 centerInWorldSpace = glm::swizzle<glm::X, glm::Y, glm::Z>(glm::inverse(camera->m_viewMatrix) * glm::vec4(center, 1.0f)); 
				glm::vec4 centerInViewSpace = lightSpace * glm::vec4(centerInWorldSpace, 1.0f);

				float nearPlane = 1.0f;
				float lookAtDistance = glm::length(centerInViewSpace - 2000.0f) + nearPlane;
				float radius = glm::length(center - glm::vec3(boundingbox.m_maxX, boundingbox.m_maxY, boundingbox.m_maxZ)); 
				float farPlane = lookAtDistance + radius;

				sc.m_projectionMatrices[i] = glm::ortho(-radius, radius, -radius, radius, nearPlane, farPlane);
				sc.m_viewMatrices[i] = glm::lookAt(centerInWorldSpace + tOr.GetFront() * lookAtDistance, centerInWorldSpace - tOr.GetFront() * lookAtDistance, tOr.GetUp());
				sc.m_viewProjections[i] = sc.m_projectionMatrices[i] * sc.m_viewMatrices[i];
			}

			sc.m_projectionMatrices[RENDER_SHADOW_CASCADES-1] = OrthoProjectionFromFrustum(&camera->m_frustum, lightSpace);
			sc.m_viewMatrices[RENDER_SHADOW_CASCADES-1] = lightSpace;
			sc.m_viewProjections[RENDER_SHADOW_CASCADES-1] = sc.m_projectionMatrices[RENDER_SHADOW_CASCADES-1] * sc.m_viewMatrices[RENDER_SHADOW_CASCADES-1];
		}
		else
		{
			sc.m_projectionMatrices[RENDER_SHADOW_CASCADES-1] = lazyOrthoAroundMap;
			sc.m_viewMatrices[RENDER_SHADOW_CASCADES-1] = lightSpace;
			sc.m_viewProjections[RENDER_SHADOW_CASCADES-1] = sc.m_projectionMatrices[RENDER_SHADOW_CASCADES-1] * sc.m_viewMatrices[RENDER_SHADOW_CASCADES-1];
		}
		g_engineContext.m_renderer->AddShadowcaster(sc, (int)shadowcaster->m_directionalLightSlot);
	}

void CFSShip::HitWarp(IwarpIGC * pwarp)
{
    //Ignore jumps that happen too closely together
    if (m_warpState == warpReady)
    {
		// Andon - Added check for aleph mass limits
		if (m_pShip->GetMass() <= pwarp->MassLimit() || !IsPlayer() && pwarp->MassLimit() > 0 || pwarp->MassLimit() < 0)
		{
			if (IsPlayer())
			{
				m_warpState = warpNoUpdate;
			}

			IwarpIGC *    pwarpDest    = pwarp->GetDestination();
			assert (pwarpDest);
			IclusterIGC * pclusterDest = pwarpDest->GetCluster();

			ShipStatusWarped(pwarp);

			Orientation alephOrientation = pwarpDest->GetOrientation();
			const Vector&   v = m_pShip->GetVelocity();
			float           speed2 = v.LengthSquared();
			float           speed  = float(sqrt(speed2));
			if (speed2 > 0)
			{
			  float           error;
			  {
				  //How close is the ship coming to the center of the warp?
				  Vector          dp = pwarp->GetPosition() - m_pShip->GetPosition();

				  float   t = (dp * v) / speed2;
				  float   d = (dp - t * v).LengthSquared();
				  float   r = pwarp->GetRadius();

				  error = (d / (r*r)) + 0.125f;      //Error ranges from 0.125 to 1.125
				  // yp: to prevent 'spin of death' in massive ships.
				  // This works and is explained in that the more massive the ship the less effect going through the aleph should have
				  // on its rotational velocity. The massive amount of inertia should decrease changes in rotational velocity.
				  if(m_pShip->GetMass() > 300.0f)
				  {
					error = error * (300.0f / m_pShip->GetMass()); // the greater the mass is above 750 the less error will be applied.
				  }
				  // yp end
			  }

			  alephOrientation.Pitch(random(-error, error));
			  alephOrientation.Yaw(random(-error, error));

			  m_pShip->SetCurrentTurnRate(c_axisRoll,
										  m_pShip->GetCurrentTurnRate(c_axisRoll) +
										  random(pi * 0.5f * error, pi * 1.5f * error));  //Must be less than 2.0 * pi
			}
			m_pShip->SetOrientation(alephOrientation);
			const Vector&   backward = alephOrientation.GetBackward();

			speed = -(speed + pwarp->GetMission()->GetFloatConstant(c_fcidExitWarpSpeed));
			m_pShip->SetVelocity(backward * speed);

			m_pShip->SetPosition(pwarpDest->GetPosition() +
								 (alephOrientation.GetUp() * random(2.0f, 5.0f)) +
								 (alephOrientation.GetRight() * random(2.0f, 5.0f)) -
								 (m_pShip->GetRadius() + 5.0f) * backward);

			GetIGCShip()->SetCluster(pclusterDest);
		}
    }
}