Focusing now consider the bounding sphere of actors

Previously the focus distance was fixed for ModelRenderers. Now it is
based on the BoundingSphere of the ModelRenderer. Light focus distance
has also been changed to avoid infinite lights to make the user travel
to infinite when focused.

Author: Adrien GIVRY

Sources/Overload/OvEditor/src/OvEditor/Core/CameraController.cpp

@@ -35,7 +35,7 @@ OvEditor::Core::CameraController::CameraController
 
 float GetActorFocusDist(OvCore::ECS::Actor& p_actor)
 {
-	float distance = 5.0f;
+	float distance = 4.0f;
 
 	if (p_actor.IsActive())
 	{
@@ -80,33 +80,14 @@ float GetActorFocusDist(OvCore::ECS::Actor& p_actor)
 
 		if (auto modelRenderer = p_actor.GetComponent<OvCore::ECS::Components::CModelRenderer>())
 		{
-			distance = std::max(distance, 10.0f);
-		}
-
-		if (auto ambientBoxLight = p_actor.GetComponent<OvCore::ECS::Components::CAmbientBoxLight>())
-		{
-			distance = std::max(distance, std::max
-			(
-				std::max
-				(
-					ambientBoxLight->GetSize().x,
-					ambientBoxLight->GetSize().y
-				),
-				ambientBoxLight->GetSize().z
-			) * 1.5f);
-		}
-
-		if (auto ambientSphereLight = p_actor.GetComponent<OvCore::ECS::Components::CAmbientSphereLight>())
-		{
-			distance = std::max(distance, std::max
-			(
-				std::max
-				(
-					ambientSphereLight->GetRadius(),
-					ambientSphereLight->GetRadius()
-				),
-				ambientSphereLight->GetRadius()
-			) * 1.5f);
+			const bool hasCustomBoundingSphere = modelRenderer->GetFrustumBehaviour() == OvCore::ECS::Components::CModelRenderer::EFrustumBehaviour::CULL_CUSTOM;
+			const bool hasModel = modelRenderer->GetModel();
+			const auto boundingSphere = hasCustomBoundingSphere ? &modelRenderer->GetCustomBoundingSphere() : hasModel ? &modelRenderer->GetModel()->GetBoundingSphere() : nullptr;
+			const auto& actorPosition = p_actor.transform.GetWorldPosition();
+			const auto& actorScale = p_actor.transform.GetWorldScale();
+			const auto scaleFactor = std::max(std::max(actorScale.x, actorScale.y), actorScale.z);
+
+			distance = std::max(distance, boundingSphere ? (boundingSphere->radius + OvMaths::FVector3::Length(boundingSphere->position)) * scaleFactor * 2.0f : 10.0f);
 		}
 
 		for (auto child : p_actor.GetChildren())