C++ Orientation::Yaw方法代码示例

	void ShadowSystem::ProcessEntity(ECS::Entity* p_entity)
	{
		Transform* transform = m_transforms.Get(p_entity);
		Shadowcaster* shadowcaster = m_shadowcasters.Get(p_entity);

		Render::Shadowcaster sc;
		
		Orientation tOr = transform->m_orientation;
		tOr.Yaw(180.0f);
		glm::mat4 tempWorldMatrix;
		tempWorldMatrix = glm::translate(glm::mat4(1.0f), transform->m_position);
		tempWorldMatrix = glm::rotate(tempWorldMatrix, tOr.GetAngle(), tOr.GetAxis());
		tempWorldMatrix = glm::scale(tempWorldMatrix, transform->m_scale);

		glm::mat4 lightSpace = glm::inverse(tempWorldMatrix);

		m_maxWorldX = -99999;
		m_minWorldX = 99999;
		m_maxWorldY = -99999;
		m_minWorldY = 99999;
		m_maxWorldZ = -99999;
		m_minWorldZ = 99999;
		for(int i = 0; i < 8; i++)
		{
			glm::vec4 cornerInLightSpace = lightSpace * glm::vec4(worldCorners[i], 1.0f);
			if(cornerInLightSpace.x < m_minWorldX)
			{
				m_minWorldX = cornerInLightSpace.x;
			}
			if(cornerInLightSpace.x > m_maxWorldX)
			{
				m_maxWorldX = cornerInLightSpace.x;
			}
			if(cornerInLightSpace.y < m_minWorldY)
			{
				m_minWorldY = cornerInLightSpace.y;
			}
			if(cornerInLightSpace.y > m_maxWorldY)
			{
				m_maxWorldY = cornerInLightSpace.y;
			}
			if(cornerInLightSpace.z < m_minWorldZ)
			{
				m_minWorldZ = cornerInLightSpace.z;
			}
			if(cornerInLightSpace.z > m_maxWorldZ)
			{
				m_maxWorldZ = cornerInLightSpace.z;
			}
		}

		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];
//.........这里部分代码省略.........

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);
		}
    }
}