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TouchScreenButton¶

Inherits: Node2D < CanvasItem < Node < Object

Button for touch screen devices for gameplay use.

描述¶

TouchScreenButton allows you to create on-screen buttons for touch devices. It's intended for gameplay use, such as a unit you have to touch to move. Unlike Button, TouchScreenButton supports multitouch out of the box. Several TouchScreenButtons can be pressed at the same time with touch input.

This node inherits from Node2D. Unlike with Control nodes, you cannot set anchors on it. If you want to create menus or user interfaces, you may want to use Button nodes instead. To make button nodes react to touch events, you can enable the Emulate Mouse option in the Project Settings.

You can configure TouchScreenButton to be visible only on touch devices, helping you develop your game both for desktop and mobile devices.

属性¶

String	action	`""`
BitMap	bitmask
bool	passby_press	`false`
Shape2D	shape
bool	shape_centered	`true`
bool	shape_visible	`true`
Texture2D	texture_normal
Texture2D	texture_pressed
VisibilityMode	visibility_mode	`0`

Methods¶

bool	is_pressed ( ) const

信号¶

pressed ( )

Emitted when the button is pressed (down).

released ( )

Emitted when the button is released (up).

Enumerations¶

enum VisibilityMode:

VisibilityMode VISIBILITY_ALWAYS = 0

Always visible.

VisibilityMode VISIBILITY_TOUCHSCREEN_ONLY = 1

Visible on touch screens only.

Property Descriptions¶

String action = ""

void set_action ( String value )
String get_action ( )

The button's action. Actions can be handled with InputEventAction.

BitMap bitmask

void set_bitmask ( BitMap value )
BitMap get_bitmask ( )

The button's bitmask.

bool passby_press = false

void set_passby_press ( bool value )
bool is_passby_press_enabled ( )

If true, the pressed and released signals are emitted whenever a pressed finger goes in and out of the button, even if the pressure started outside the active area of the button.

Note: This is a "pass-by" (not "bypass") press mode.

Shape2D shape

void set_shape ( Shape2D value )
Shape2D get_shape ( )

The button's shape.

bool shape_centered = true

void set_shape_centered ( bool value )
bool is_shape_centered ( )

If true, the button's shape is centered in the provided texture. If no texture is used, this property has no effect.

bool shape_visible = true

void set_shape_visible ( bool value )
bool is_shape_visible ( )

If true, the button's shape is visible in the editor.

Texture2D texture_normal

void set_texture_normal ( Texture2D value )
Texture2D get_texture_normal ( )

The button's texture for the normal state.

Texture2D texture_pressed

void set_texture_pressed ( Texture2D value )
Texture2D get_texture_pressed ( )

The button's texture for the pressed state.

VisibilityMode visibility_mode = 0

void set_visibility_mode ( VisibilityMode value )
VisibilityMode get_visibility_mode ( )

The button's visibility mode. See VisibilityMode for possible values.

Method Descriptions¶

bool is_pressed ( ) const

Returns true if this button is currently pressed.