src/ui/button/button.tscn - Platformer Game Learning

Table of Contents

src / ui / button / button.tscn

src / ui / button / button.tscn

Diagram

Assets

Overridden virtual functions

_process

func _process(delta: float) -> void:
	if not focused: return
	blink_time += delta
	add_theme_color_override("font_focus_color", get_focus_color())
	if blink_time > BLINK_INTERVAL: blink_time = 0

Instantiators

Scene Tree

Button Button
- AnimationPlayer AnimationPlayer

Signal Connections

$.:[focus_entered]⇒$.

func _on_focus_entered() -> void:
	focused = true
	%AnimationPlayer.play("focused_%s" % [focus_move_direction_key()])

$.:[focus_exited]⇒$.

func _on_focus_exited() -> void:
	focused = false
	%AnimationPlayer.play("unfocused_%s" % [focus_move_direction_key()])

Animations

Animation_evwsm

focused_none

focused_right

focused_up

unfocused_none

unfocused_right

unfocused_up

Properties

Table 1. Root properties
Name	Value
texture_filter	`2`
offset_right	`287.0`
offset_bottom	`91.0`
theme	res://themes/default_theme.tres
text	` Button`
icon	Figure 1. res://assets/images/ui/Options.svg
flat	`true`
alignment	`0`
script	res://src/ui/button/button.gd
focus_color_1	`Color(0.5, 1, 0.5, 1)`
focus_color_2	`Color(1, 1, 0.5, 1)`

Table 2. $AnimationPlayer properties
Name	Value
unique_name_in_owner	`true`
libraries	`{ "": SubResource("AnimationLibrary_c4kiu") }`

button.gd

extends Button

@export var focus_move_direction : FocusMoveDirection
@export_color_no_alpha var focus_color_1 : Color
@export_color_no_alpha var focus_color_2 : Color
enum FocusMoveDirection { RIGHT, UP, NONE }

const BLINK_INTERVAL := 0.2
var blink_time := 0.0
var focused := false


func _process(delta: float) -> void:
	if not focused: return
	blink_time += delta
	add_theme_color_override("font_focus_color", get_focus_color())
	if blink_time > BLINK_INTERVAL: blink_time = 0


func get_focus_color() -> Color:
	if blink_time > BLINK_INTERVAL / 2:
		return focus_color_1
	else:
		return focus_color_2


func focus_move_direction_key() -> String:
	return FocusMoveDirection.find_key(focus_move_direction).to_lower()


func _on_focus_entered() -> void:
	focused = true
	%AnimationPlayer.play("focused_%s" % [focus_move_direction_key()])


func _on_focus_exited() -> void:
	focused = false
	%AnimationPlayer.play("unfocused_%s" % [focus_move_direction_key()])