Camera2D

Inherits: Node2D < CanvasItem < Node < Object

Camera node for 2D scenes.

Description

Camera node for 2D scenes. It forces the screen (current layer) to scroll following this node. This makes it easier (and faster) to program scrollable scenes than manually changing the position of CanvasItem-based nodes.

This node is intended to be a simple helper to get things going quickly and it may happen that more functionality is desired to change how the camera works. To make your own custom camera node, inherit from Node2D and change the transform of the canvas by setting Viewport.canvas_transform in Viewport (you can obtain the current Viewport by using Node.get_viewport).

Note that the Camera2D node's position doesn't represent the actual position of the screen, which may differ due to applied smoothing or limits. You can use get_camera_screen_center to get the real position.

Properties

AnchorMode	anchor_mode	1
bool	current	false
Node	custom_viewport
float	drag_margin_bottom	0.2
bool	drag_margin_h_enabled	false
float	drag_margin_left	0.2
float	drag_margin_right	0.2
float	drag_margin_top	0.2
bool	drag_margin_v_enabled	false
bool	editor_draw_drag_margin	false
bool	editor_draw_limits	false
bool	editor_draw_screen	true
int	limit_bottom	10000000
int	limit_left	-10000000
int	limit_right	10000000
bool	limit_smoothed	false
int	limit_top	-10000000
Vector2	offset	Vector2( 0, 0 )
float	offset_h	0.0
float	offset_v	0.0
Camera2DProcessMode	process_mode	1
bool	rotating	false
bool	smoothing_enabled	false
float	smoothing_speed	5.0
Vector2	zoom	Vector2( 1, 1 )

Methods

void	align ( )
void	clear_current ( )
void	force_update_scroll ( )
Vector2	get_camera_position ( ) const
Vector2	get_camera_screen_center ( ) const
float	get_drag_margin ( Margin margin ) const
int	get_limit ( Margin margin ) const
void	make_current ( )
void	reset_smoothing ( )
void	set_drag_margin ( Margin margin, float drag_margin )
void	set_limit ( Margin margin, int limit )

Enumerations

enum AnchorMode:

• ANCHOR_MODE_FIXED_TOP_LEFT = 0 --- The camera's position is fixed so that the top-left corner is always at the origin.
• ANCHOR_MODE_DRAG_CENTER = 1 --- The camera's position takes into account vertical/horizontal offsets and the screen size.

enum Camera2DProcessMode:

• CAMERA2D_PROCESS_PHYSICS = 0 --- The camera updates with the _physics_process callback.
• CAMERA2D_PROCESS_IDLE = 1 --- The camera updates with the _process callback.

Property Descriptions

AnchorMode anchor_mode

Default	1
Setter	set_anchor_mode(value)
Getter	get_anchor_mode()

The Camera2D's anchor point. See AnchorMode constants.

bool current

Default	false
Getter	is_current()

If true, the camera is the active camera for the current scene. Only one camera can be current, so setting a different camera current will disable this one.

Node custom_viewport

Setter	set_custom_viewport(value)
Getter	get_custom_viewport()

The custom Viewport node attached to the Camera2D. If null or not a Viewport, uses the default viewport instead.

float drag_margin_bottom

Default	0.2
Setter	set_drag_margin(value)
Getter	get_drag_margin()

Bottom margin needed to drag the camera. A value of 1 makes the camera move only when reaching the edge of the screen.

bool drag_margin_h_enabled

Default	false
Setter	set_h_drag_enabled(value)
Getter	is_h_drag_enabled()

If true, the camera only moves when reaching the horizontal drag margins. If false, the camera moves horizontally regardless of margins.

float drag_margin_left

Default	0.2
Setter	set_drag_margin(value)
Getter	get_drag_margin()

Left margin needed to drag the camera. A value of 1 makes the camera move only when reaching the edge of the screen.

float drag_margin_right

Default	0.2
Setter	set_drag_margin(value)
Getter	get_drag_margin()

Right margin needed to drag the camera. A value of 1 makes the camera move only when reaching the edge of the screen.

float drag_margin_top

Default	0.2
Setter	set_drag_margin(value)
Getter	get_drag_margin()

Top margin needed to drag the camera. A value of 1 makes the camera move only when reaching the edge of the screen.

bool drag_margin_v_enabled

Default	false
Setter	set_v_drag_enabled(value)
Getter	is_v_drag_enabled()

If true, the camera only moves when reaching the vertical drag margins. If false, the camera moves vertically regardless of margins.

bool editor_draw_drag_margin

Default	false
Setter	set_margin_drawing_enabled(value)
Getter	is_margin_drawing_enabled()

If true, draws the camera's drag margin rectangle in the editor.

bool editor_draw_limits

Default	false
Setter	set_limit_drawing_enabled(value)
Getter	is_limit_drawing_enabled()

If true, draws the camera's limits rectangle in the editor.

bool editor_draw_screen

Default	true
Setter	set_screen_drawing_enabled(value)
Getter	is_screen_drawing_enabled()

If true, draws the camera's screen rectangle in the editor.

int limit_bottom

Default	10000000
Setter	set_limit(value)
Getter	get_limit()

Bottom scroll limit in pixels. The camera stops moving when reaching this value.

int limit_left

Default	-10000000
Setter	set_limit(value)
Getter	get_limit()

Left scroll limit in pixels. The camera stops moving when reaching this value.

int limit_right

Default	10000000
Setter	set_limit(value)
Getter	get_limit()

Right scroll limit in pixels. The camera stops moving when reaching this value.

bool limit_smoothed

Default	false
Setter	set_limit_smoothing_enabled(value)
Getter	is_limit_smoothing_enabled()

If true, the camera smoothly stops when reaches its limits.

int limit_top

Default	-10000000
Setter	set_limit(value)
Getter	get_limit()

Top scroll limit in pixels. The camera stops moving when reaching this value.

Vector2 offset

Default	Vector2( 0, 0 )
Setter	set_offset(value)
Getter	get_offset()

The camera's offset, useful for looking around or camera shake animations.

float offset_h

Default	0.0
Setter	set_h_offset(value)
Getter	get_h_offset()

The horizontal offset of the camera, relative to the drag margins.

Note: Offset H is used only to force offset relative to margins. It's not updated in any way if drag margins are enabled and can be used to set initial offset.

float offset_v

Default	0.0
Setter	set_v_offset(value)
Getter	get_v_offset()

The vertical offset of the camera, relative to the drag margins.

Note: Used the same as offset_h.

Camera2DProcessMode process_mode

Default	1
Setter	set_process_mode(value)
Getter	get_process_mode()

The camera's process callback. See Camera2DProcessMode.

bool rotating

Default	false
Setter	set_rotating(value)
Getter	is_rotating()

If true, the camera rotates with the target.

bool smoothing_enabled

Default	false
Setter	set_enable_follow_smoothing(value)
Getter	is_follow_smoothing_enabled()

If true, the camera smoothly moves towards the target at smoothing_speed.

float smoothing_speed

Default	5.0
Setter	set_follow_smoothing(value)
Getter	get_follow_smoothing()

Speed in pixels per second of the camera's smoothing effect when smoothing_enabled is true.

Vector2 zoom

Default	Vector2( 1, 1 )
Setter	set_zoom(value)
Getter	get_zoom()

The camera's zoom relative to the viewport. Values larger than Vector2(1, 1) zoom out and smaller values zoom in. For an example, use Vector2(0.5, 0.5) for a 2× zoom-in, and Vector2(4, 4) for a 4× zoom-out.

Method Descriptions

void align ( )

Aligns the camera to the tracked node.

void clear_current ( )

Removes any Camera2D from the ancestor Viewport's internal currently-assigned camera.

void force_update_scroll ( )

Forces the camera to update scroll immediately.

Vector2 get_camera_position ( ) const

Returns the camera position.

Vector2 get_camera_screen_center ( ) const

Returns the location of the Camera2D's screen-center, relative to the origin.

float get_drag_margin ( Margin margin ) const

Returns the specified margin. See also drag_margin_bottom, drag_margin_top, drag_margin_left, and drag_margin_right.

int get_limit ( Margin margin ) const

Returns the specified camera limit. See also limit_bottom, limit_top, limit_left, and limit_right.

void make_current ( )

Make this the current 2D camera for the scene (viewport and layer), in case there are many cameras in the scene.

void reset_smoothing ( )

Sets the camera's position immediately to its current smoothing destination.

This has no effect if smoothing is disabled.

void set_drag_margin ( Margin margin, float drag_margin )

Sets the specified margin. See also drag_margin_bottom, drag_margin_top, drag_margin_left, and drag_margin_right.

void set_limit ( Margin margin, int limit )

Sets the specified camera limit. See also limit_bottom, limit_top, limit_left, and limit_right.