77 lines
2.5 KiB
GDScript
77 lines
2.5 KiB
GDScript
## XRayMachine — X-ray plate slides out when tapped; viewer lights up during exposure.
|
|
class_name XRayMachine extends Node2D
|
|
|
|
enum State { IDLE, SLIDING_IN, EXPOSING, SLIDING_OUT }
|
|
|
|
const SLIDE_DURATION: float = 0.8
|
|
const EXPOSE_DURATION: float = 1.5
|
|
const BUTTON_HALF_WIDTH: float = 50.0
|
|
const BUTTON_HALF_HEIGHT: float = 100.0
|
|
const PLATE_PARKED_X: float = -50.0
|
|
const PLATE_ACTIVE_X: float = 130.0
|
|
const VIEWER_LIT_COLOR: Color = Color(0.75, 0.90, 1.0, 1)
|
|
const VIEWER_DARK_COLOR: Color = Color(0.06, 0.08, 0.12, 1)
|
|
|
|
var _state: State = State.IDLE
|
|
|
|
|
|
func _ready() -> void:
|
|
var plate: Node2D = get_node_or_null("Plate") as Node2D
|
|
if plate != null:
|
|
plate.position.x = PLATE_PARKED_X
|
|
|
|
|
|
func _input(event: InputEvent) -> void:
|
|
if _state != State.IDLE:
|
|
return
|
|
var screen_pos: Vector2
|
|
if event is InputEventScreenTouch and event.pressed:
|
|
screen_pos = event.position
|
|
elif event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
|
|
screen_pos = event.position
|
|
else:
|
|
return
|
|
var canvas_transform: Transform2D = get_viewport().get_canvas_transform()
|
|
var world_pos: Vector2 = canvas_transform.affine_inverse() * screen_pos
|
|
var local_pos: Vector2 = to_local(world_pos)
|
|
if abs(local_pos.x) <= BUTTON_HALF_WIDTH and abs(local_pos.y) <= BUTTON_HALF_HEIGHT:
|
|
_start_scan()
|
|
|
|
|
|
func _start_scan() -> void:
|
|
_state = State.SLIDING_IN
|
|
var plate: Node2D = get_node_or_null("Plate") as Node2D
|
|
if plate == null:
|
|
_state = State.IDLE
|
|
return
|
|
var tween: Tween = create_tween()
|
|
tween.set_ease(Tween.EASE_IN_OUT)
|
|
tween.set_trans(Tween.TRANS_QUAD)
|
|
tween.tween_property(plate, "position:x", PLATE_ACTIVE_X, SLIDE_DURATION)
|
|
tween.finished.connect(_on_plate_in)
|
|
|
|
|
|
func _on_plate_in() -> void:
|
|
_state = State.EXPOSING
|
|
var viewer: ColorRect = get_node_or_null("Viewer") as ColorRect
|
|
if viewer != null:
|
|
viewer.color = VIEWER_LIT_COLOR
|
|
var timer: SceneTreeTimer = get_tree().create_timer(EXPOSE_DURATION)
|
|
timer.timeout.connect(_start_slide_out)
|
|
|
|
|
|
func _start_slide_out() -> void:
|
|
_state = State.SLIDING_OUT
|
|
var viewer: ColorRect = get_node_or_null("Viewer") as ColorRect
|
|
if viewer != null:
|
|
viewer.color = VIEWER_DARK_COLOR
|
|
var plate: Node2D = get_node_or_null("Plate") as Node2D
|
|
if plate == null:
|
|
_state = State.IDLE
|
|
return
|
|
var tween: Tween = create_tween()
|
|
tween.set_ease(Tween.EASE_IN_OUT)
|
|
tween.set_trans(Tween.TRANS_QUAD)
|
|
tween.tween_property(plate, "position:x", PLATE_PARKED_X, SLIDE_DURATION)
|
|
tween.finished.connect(func() -> void: _state = State.IDLE)
|