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Sdk/PhysicsSystem: Create PhysWorld only if required by entities

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This commit is contained in:
Lynix
2016-10-13 05:29:48 +02:00
parent 9f771f8c01
commit debf87e739
3 changed files with 13 additions and 6 deletions
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12
SDK/src/NDK/Systems/PhysicsSystem.cpp
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@@ -50,16 +50,19 @@ namespace Ndk
void PhysicsSystem::OnEntityValidation(Entity* entity, bool justAdded)
{
// If entity has not been just added to the system, it is possible that it does not own to the right array
// It's possible our entity got revalidated because of the addition/removal of a PhysicsComponent
if (!justAdded)
{
// We take the inverted array from which the entity should belong to
// We take the opposite array from which the entity should belong to
auto& entities = (entity->HasComponent<PhysicsComponent>()) ? m_staticObjects : m_dynamicObjects;
entities.Remove(entity);
}
auto& entities = (entity->HasComponent<PhysicsComponent>()) ? m_dynamicObjects : m_staticObjects;
entities.Insert(entity);
if (!m_world)
m_world = std::make_unique<Nz::PhysWorld>();
}
/*!
@@ -70,7 +73,10 @@ namespace Ndk
void PhysicsSystem::OnUpdate(float elapsedTime)
{
m_world.Step(elapsedTime);
if (!m_world)
return;
m_world->Step(elapsedTime);
for (const Ndk::EntityHandle& entity : m_dynamicObjects)
{