mnd::CameraComponent Class Reference

Perspective camera — provides view and projection matrices each frame. More...

#include <CameraComponent.h>

Inheritance diagram for mnd::CameraComponent:

Collaboration diagram for mnd::CameraComponent:

Public Member Functions
void	Update (f32 deltaTime) override
	No per-frame logic needed; view/projection are computed on demand.
mat4	GetViewMatrix () const
	Compute the view matrix from the owner's world transform.
mat4	GetProjectionMatrix (f32 aspect) const
	Compute the perspective projection matrix.
f32	GetFov () const
f32	GetNearPlane () const
f32	GetFarPlane () const
void	SetFov (f32 fov)
void	SetNearPlane (f32 n)
void	SetFarPlane (f32 f)
virtual void	LoadProperties (const nlohmann::json &json)
virtual void	Init ()
virtual size_t	GetTypeId () const =0
GameObject *	GetOwner ()

Static Public Member Functions
template<typename T >
static size_t	StaticTypeId ()

Protected Attributes
GameObject *	m_owner = nullptr

Detailed Description

Perspective camera — provides view and projection matrices each frame.

Works in conjunction with the owning GameObject's transform:

• Position and rotation of the owner define where the camera is and where it looks.
• m_fov, m_nearPlane, m_farPlane define the viewing frustum.

Definition at line 33 of file CameraComponent.h.

Member Function Documentation

GetFarPlane()

f32 mnd::CameraComponent::GetFarPlane ( ) const

inline

Definition at line 64 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

GetFov()

f32 mnd::CameraComponent::GetFov ( ) const

inline

Definition at line 60 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

GetNearPlane()

f32 mnd::CameraComponent::GetNearPlane ( ) const

inline

Definition at line 62 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

GetOwner()

GameObject * mnd::Component::GetOwner ( )

inherited

Definition at line 12 of file Component.cpp.

References mnd::Component::m_owner.

Referenced by mnd::MeshComponent::Update(), and mnd::SkinnedMeshComponent::Update().

GetProjectionMatrix()

mat4 mnd::CameraComponent::GetProjectionMatrix

(

f32

aspect

)

const

Compute the perspective projection matrix.

Maps camera-space coordinates to clip space using glm::perspective.

Parameters

aspect

Window width / height (updated each frame by the engine).

Returns

Column-major 4×4 projection matrix.

Definition at line 26 of file CameraComponent.cpp.

GetTypeId()

virtual size_t mnd::Component::GetTypeId ( ) const

pure virtualinherited

GetViewMatrix()

mat4 mnd::CameraComponent::GetViewMatrix

(

)

const

Compute the view matrix from the owner's world transform.

Equivalent to glm::inverse(owner->GetWorldTransform()). Converts world-space coordinates into camera-space (eye space).

Returns

Column-major 4×4 view matrix.

Definition at line 13 of file CameraComponent.cpp.

References mnd::GameObject::GetParent(), mnd::GameObject::GetPosition(), mnd::GameObject::GetRotation(), mnd::GameObject::GetWorldTransform(), and mnd::Component::m_owner.

Init()

void mnd::Component::Init ( )

virtualinherited

Reimplemented in mnd::PhysicsComponent, and mnd::PlayerControllerComponent.

Definition at line 10 of file Component.cpp.

Referenced by mnd::GameObject::AddComponent().

LoadProperties()

void mnd::Component::LoadProperties ( const nlohmann::json &  json )

virtualinherited

Reimplemented in mnd::AudioComponent, mnd::HealthComponent, mnd::LightComponent, mnd::MeshComponent, mnd::ParticleEmitterComponent, and mnd::PhysicsComponent.

Definition at line 8 of file Component.cpp.

SetFarPlane()

void mnd::CameraComponent::SetFarPlane ( f32  f )

inline

Definition at line 70 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

SetFov()

void mnd::CameraComponent::SetFov ( f32  fov )

inline

Definition at line 66 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

SetNearPlane()

void mnd::CameraComponent::SetNearPlane ( f32  n )

inline

Definition at line 68 of file CameraComponent.h.

Referenced by mnd::InspectCamera().

StaticTypeId()

template<typename T >

static size_t mnd::Component::StaticTypeId ( )

inlinestaticinherited

Definition at line 50 of file Component.h.

Update()

void mnd::CameraComponent::Update ( f32  deltaTime )

overridevirtual

No per-frame logic needed; view/projection are computed on demand.

Implements mnd::Component.

Definition at line 11 of file CameraComponent.cpp.

Member Data Documentation

m_owner

GameObject* mnd::Component::m_owner = nullptr

protectedinherited

Definition at line 57 of file Component.h.

Referenced by mnd::GameObject::AddComponent(), mnd::HealthComponent::ApplyDamage(), mnd::Component::GetOwner(), GetViewMatrix(), mnd::PhysicsComponent::Init(), mnd::PlayerControllerComponent::Init(), mnd::PlayerControllerComponent::Update(), mnd::AudioComponent::Update(), mnd::AudioListenerComponent::Update(), and mnd::PhysicsComponent::Update().

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The documentation for this class was generated from the following files:

• engine/source/scene/components/CameraComponent.h
• engine/source/scene/components/CameraComponent.cpp