85 lines
2.5 KiB
GDScript
85 lines
2.5 KiB
GDScript
extends Control
|
|
class_name SpaceNode
|
|
|
|
# adapted from pc_tile code (project-elysium-main)
|
|
var initial_pos: Vector2
|
|
var offset: Vector2
|
|
var draggable: bool = false
|
|
var velocity: float = 0
|
|
|
|
# variables for velocity calculation
|
|
var mouse_first_location: Vector2
|
|
var mouse_last_location: Vector2
|
|
var mouse_release_location: Vector2
|
|
var mouse_n_minus_one_location: Vector2
|
|
var time_since_first_location: float = -1
|
|
|
|
# Export variables, for ease of setting without going into the code
|
|
@export var velocity_coeffecient: int = 500
|
|
@export var max_x: int = 1000
|
|
@export var min_x: int = 0
|
|
@export var ease_out_time: float = 0.5
|
|
@export var bounce: bool = false
|
|
|
|
func _ready() -> void:
|
|
draggable = true
|
|
return
|
|
|
|
func _process(delta: float) -> void:
|
|
global_position.x += velocity
|
|
if draggable:
|
|
if (Input.is_action_just_pressed("click")):
|
|
mouse_first_location = get_global_mouse_position()
|
|
offset = get_local_mouse_position() - global_position
|
|
|
|
if Input.is_action_pressed("click"):
|
|
mouse_first_location = get_global_mouse_position()
|
|
global_position.x += -(mouse_last_location.x - mouse_first_location.x)
|
|
|
|
elif Input.is_action_just_released("click"):
|
|
time_since_first_location += delta
|
|
mouse_release_location = get_global_mouse_position()
|
|
if mouse_release_location.x < mouse_first_location.x:
|
|
var distance = mouse_release_location.x - mouse_first_location.x
|
|
velocity = (distance /
|
|
(velocity_coeffecient * delta))
|
|
draggable = false
|
|
|
|
elif mouse_release_location.x > mouse_first_location.x:
|
|
var distance = abs(mouse_first_location.x
|
|
- mouse_release_location.x)
|
|
velocity = (distance /
|
|
(velocity_coeffecient * delta))
|
|
draggable = false
|
|
|
|
# when the drag is complete, create a tween to ease out towards zero
|
|
var tween = get_tree().create_tween()
|
|
|
|
tween.tween_property(self, "velocity",
|
|
0, ease_out_time).set_ease(Tween.EASE_OUT)
|
|
|
|
mouse_first_location = Vector2(0,0)
|
|
mouse_release_location = Vector2(0,0)
|
|
|
|
draggable = true
|
|
|
|
if global_position.x >= max_x && velocity > 0:
|
|
if bounce:
|
|
velocity = -(velocity)/2
|
|
print("velocity negated, bouncing")
|
|
global_position.x = max_x - 1
|
|
time_since_first_location = -1
|
|
draggable = true
|
|
return
|
|
|
|
elif global_position.x < min_x && velocity < 0:
|
|
if bounce:
|
|
velocity = -(velocity)/2
|
|
print("velocity negated, bouncing")
|
|
global_position.x = min_x + 1
|
|
time_since_first_location = -1
|
|
draggable = true
|
|
return
|
|
|
|
mouse_last_location = get_global_mouse_position()
|