engine::InputManager class
#include <include/engine/input/input_manager.h>

A singleton class that manages all keyboard and mouse input.

It provides a simple interface for checking the state of keys and the mouse.

Public static functions

static auto Get() -> InputManager&: Returns a reference to the singleton InputManager instance.

auto IsKeyDown(KeyCode key_code) const -> bool: Checks if a key is currently being held down.
auto IsKeyPressed(KeyCode key_code) const -> bool: Checks if a key was pressed during the current frame.
auto IsKeyReleased(KeyCode key_code) const -> bool: Checks if a key was released during the current frame.
auto mouse_screen_pos() const -> glm::vec2: Retrieves the mouse position in screen coordinates.
void UpdateState(): Updates the key states for the current frame.

Returns a reference to the singleton InputManager instance.

Returns	Reference to the InputManager.

Checks if a key is currently being held down.

Parameters
key_code	The `KeyCode` to check.
Returns	`true` if the key is currently pressed, `false` otherwise.

Checks if a key was pressed during the current frame.

Parameters
key_code	The `KeyCode` to check.
Returns	`true` if the key was pressed in this frame, `false` otherwise.

This is a single-frame event.

Checks if a key was released during the current frame.

Parameters
key_code	The `KeyCode` to check.
Returns	`true` if the key was released in this frame, `false` otherwise.

This is a single-frame event.

Retrieves the mouse position in screen coordinates.

Returns	the screen position in [-1, 1] space.

Updates the key states for the current frame.

This should be called once per frame by the main application loop.