WorldTransformSystem.ixx File

System that propagates local position changes to world transforms. More...

Included Headers

#include <helios.engine.core.types.ComponentTypeTags> #include <helios.engine.spatial.components> #include <helios.ecs.components> #include <helios.math> #include <helios.engine.runtime.world.UpdateContext> #include <helios.engine.runtime.world.tags.SystemRole>

Namespaces Index

namespace	helios
namespace	engine
namespace	scene
namespace	systems

Classes Index

class	WorldTransformSystem<TMemberHandle>
	Updates world-space transforms from local position components. More...

Description

System that propagates local position changes to world transforms.

File Listing

The file content with the documentation metadata removed is:

1

5module;

6

7export module helios.engine.spatial.systems.WorldTransformSystem;

8

9import helios.engine.runtime.world.tags.SystemRole;

10

11import helios.engine.runtime.world.UpdateContext;

12

13import helios.ecs.components;

14import helios.engine.spatial.components;

15

16

17import helios.math;

18import helios.engine.core.types.ComponentTypeTags;

19

20using namespace helios::engine::core::types;

21using namespace helios::ecs::components;

22using namespace helios::engine::spatial::components;

23using namespace helios::engine::runtime::world;

24using namespace helios::engine::runtime::world::tags;

25export namespace helios::engine::scene::systems {

26

32 template<typename TMemberHandle>

33 class WorldTransformSystem {

34

35 public:

36

40 using EngineRoleTag = TypedSystemRole;

41

50 void update(UpdateContext& updateContext) noexcept {

51

52

53 for (auto [

54 entity,

55 localPosition,

56 localRotation,

57 worldTransform,

58 active] : updateContext.view<

59 TMemberHandle,

60 Position3DComponent<TMemberHandle, Local>,

61 Rotation3DComponent<TMemberHandle, Local>,

62 TransformComponent<TMemberHandle, World>,

63 Active<TMemberHandle>

64 >().whereEnabled()) {

65

66 if (localPosition->isDirty() || localRotation->isDirty()) {

67 worldTransform->setValue(

68 localRotation->value().rotationMatrix().withTranslation(localPosition->value())

69 );

70 }

71

72 }

73

74 }

75

76

77 };

78}

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