mirror of
https://github.com/Steffo99/nanogolf.git
synced 2024-11-24 17:14:19 +00:00
83 lines
2.4 KiB
GDScript
83 lines
2.4 KiB
GDScript
extends Node2D
|
|
class_name PuttController
|
|
|
|
## The maximum impulse that a putt can have.
|
|
@export var putt_max_impulse: float
|
|
## How many game units a pixel of screen mouse movement corresponds to.
|
|
@export var putt_drag_scale: float
|
|
## Length multiplier of the putt ghost
|
|
@export var putt_ghost_scale: float
|
|
## Curve mapping relative putt impulse to putt sound volume.
|
|
@export var putt_volume: Curve
|
|
## Emitted when a putt has happened.
|
|
signal putt(putt_vector: Vector2)
|
|
|
|
@onready var sprite: Sprite2D = $Sprite
|
|
@onready var sound: AudioStreamPlayer2D = $Sound
|
|
@onready var sprite_texture_width: float = sprite.texture.get_width()
|
|
|
|
var is_putting: bool = false
|
|
var putt_start_point: Vector2
|
|
|
|
var can_putt: bool = false:
|
|
get:
|
|
return can_putt
|
|
set(value):
|
|
can_putt = value
|
|
if not value:
|
|
is_putting = false
|
|
|
|
|
|
func _input(event: InputEvent):
|
|
if can_putt:
|
|
if event is InputEventMouseButton:
|
|
if event.pressed:
|
|
if not is_putting:
|
|
start_putt(event.position)
|
|
else:
|
|
push_warning("Attempted to start putt while another was in progress.")
|
|
else:
|
|
if is_putting:
|
|
end_putt(event.position)
|
|
else:
|
|
push_warning("Attempted to end putt while none was in progress.")
|
|
if is_putting:
|
|
update_putt_ghost(compute_putt(event.position, putt_start_point))
|
|
if event is InputEventMouseMotion:
|
|
if is_putting:
|
|
update_putt_ghost(compute_putt(event.position, putt_start_point))
|
|
|
|
|
|
func update_putt_ghost(putt_vector: Vector2):
|
|
sprite.rotation = putt_vector.angle()
|
|
sprite.scale.x = putt_vector.length() * putt_ghost_scale / sprite_texture_width
|
|
sprite.position = position - putt_vector * putt_ghost_scale * 0.5
|
|
|
|
|
|
func compute_putt(start_position: Vector2, end_position: Vector2) -> Vector2:
|
|
var vector: Vector2 = -(end_position - start_position)
|
|
vector *= putt_drag_scale
|
|
if vector.length() > putt_max_impulse:
|
|
vector = vector.normalized() * putt_max_impulse
|
|
return vector
|
|
|
|
|
|
func start_putt(start_position: Vector2):
|
|
visible = true
|
|
is_putting = true
|
|
putt_start_point = start_position
|
|
|
|
|
|
func end_putt(end_position: Vector2):
|
|
visible = false
|
|
is_putting = false
|
|
can_putt = false
|
|
var putt_vector = compute_putt(putt_start_point, end_position)
|
|
putt.emit(putt_vector)
|
|
play_putt_sound(putt_vector)
|
|
|
|
|
|
func play_putt_sound(putt_vector: Vector2):
|
|
var putt_impulse: float = putt_vector.length()
|
|
sound.volume_db = putt_volume.sample(putt_impulse / putt_max_impulse)
|
|
sound.play()
|