Tower not aiming towards the player.

src/Systems/TowerSystem.cpp

@@ -0,0 +1,69 @@
+#include "PrecompiledHeader.h"
+#include "TowerSystem.h"
+#include "World.h"
+
+void Systems::TowerSystem::RegisterComponents( ComponentFactory* cf )
+{
+	cf->Register<Components::Tower>([]() { return new Components::Tower(); });
+}
+
+void Systems::TowerSystem::Initialize()
+{
+	//EVENT_SUBSCRIBE_MEMBER(m_eDamage, &Systems::TowerSystem::Damage);
+}
+
+//bool Systems::TowerSystem::Damage( const Events::Damage &event )
+//{
+//	return true;
+//}
+
+void Systems::TowerSystem::Update( double dt )
+{
+
+}
+
+void Systems::TowerSystem::UpdateEntity( double dt, EntityID entity, EntityID parent )
+{
+	auto towerComponent = m_World->GetComponent<Components::Tower>(entity);
+	if(!towerComponent)
+		return;
+
+	Components::Transform absoluteTowerGunTransform = m_World->GetSystem<Systems::TransformSystem>()->AbsoluteTransform(towerComponent->Gun);
+
+	auto towerGunTransformComponent = m_World->GetComponent<Components::Transform>(towerComponent->Gun);
+	if(!towerGunTransformComponent)
+		return;
+
+	auto towerGunBaseTransformComponent = m_World->GetComponent<Components::Transform>(towerComponent->GunBase);
+	if(!towerGunBaseTransformComponent)
+		return;
+
+	auto players = m_World->GetComponentsOfType<Components::Player>();
+
+	for(auto player : *players)
+	{
+		auto playerComponent = std::dynamic_pointer_cast<Components::Player>(player);
+		if(towerComponent->ID != playerComponent->ID) //!= betyder att den bara targetar sitt eget lag, == fienden.
+			continue;
+
+		auto playerTransform = m_World->GetComponent<Components::Transform>(player->Entity);
+		if(!playerTransform)
+			continue;
+		Components::Transform absolutePlayerTransform = m_World->GetSystem<Systems::TransformSystem>()->AbsoluteTransform(player->Entity);
+		
+		glm::quat baseLookAt = glm::inverse(glm::quat_cast(glm::lookAt(absoluteTowerGunTransform.Position, glm::vec3(absolutePlayerTransform.Position.x, absoluteTowerGunTransform.Position.y, absolutePlayerTransform.Position.z), glm::vec3(0, 1, 0))));
+		glm::quat gunLookAt = glm::inverse(glm::quat_cast(glm::lookAt(absoluteTowerGunTransform.Position, glm::vec3(absolutePlayerTransform.Position.x, absolutePlayerTransform.Position.y, absolutePlayerTransform.Position.z ), glm::vec3(0, 1, 0))));
+
+		//glm::vec3 axisAngle = glm::eulerAngles(angle) - glm::pi<float>();
+
+		//glm::quat yaw = glm::quat(axisAngle * glm::vec3(0, 1, 0));
+		//glm::quat pitch = glm::quat(axisAngle * glm::vec3(1, 0, 0));
+
+		//LOG_INFO("yaw: %f", glm::degrees(axisAngle.y));
+
+		towerGunTransformComponent->Orientation = glm::inverse(baseLookAt) * gunLookAt;
+		towerGunBaseTransformComponent->Orientation = baseLookAt;
+	}
+
+}
+