camera_controller_first_person

Mouse and keyboard control of a camera_first_person.

Derives from: camera_controller_generic_base

Fields and methods

Members of the struct camera_controller_first_person. Most of what you do with a CGP type goes through the free functions listed below.

`camera_first_person camera_model`	First person camera (free rotation) driven by the controller.
`float translation_speed = 1`	Multiplier of the translation speed for keyboard moves and right mouse drag, 1 by default.
`float rotation_speed = 1`	Multiplier of the rotation speed for mouse drags and Q/E twists, 1 by default.

`camera_generic_base const& camera() const` `camera_generic_base& camera()`	Returns camera_model as a read-only camera_generic_base. src
`void action_mouse_move()`	Updates the camera from the mouse displacement when the cursor is not on the GUI; left drag (or any move in cursor-captured mode) rotates in yaw and pitch, Ctrl + left drag rolls, right drag moves forward/backward. src
`void action_keyboard()`	Toggles the cursor-captured mode with Shift+C (Escape releases the cursor). src
`void idle_frame()`	Moves the camera while keys are held, at 2 * translation_speed units per second; up/W and down/S forward/backward, left/A and right/D sideways, R/F up/down, and Q/E roll at 2 * rotation_speed radians per second. src
`void look_at(vec3 const& eye, vec3 const& center, vec3 const& up)`	Places the camera at eye looking toward center with the given up vector. src
`std::string doc_usage() const`	Returns a text describing the mouse and keyboard controls of the first person camera. src

Inherited from camera_controller_generic_base (5 members)

`bool is_active = true`	Enables the controller, true by default; when false the mouse and idle actions return without moving the camera.
`input_devices* inputs = nullptr`	Pointer to the global keyboard/mouse state, nullptr until initialize() is called.
`window_structure* window = nullptr`	Pointer to the global window state, nullptr until initialize() is called.

`void initialize(input_devices& inputs, window_structure& window)`	Stores pointers to the global inputs and window; must be called before any action function. src
`void action_mouse_click()`	Handles a mouse button press or release event; does nothing in the base class. src

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