Enhancement: Expected behavior achieved

src/empty_space_thing.gd

@@ -4,41 +4,67 @@ class_name SpaceNode
 var initial_pos: Vector2
 var offset: Vector2
 var draggable: bool = false
+var velocity: float = 0
+
+var mouse_first_location: Vector2
+var mouse_release_location: Vector2
+var time_since_first_location: float = -1
+
+@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
 
 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()
+			time_since_first_location = 0
 		
-		if Input.is_action_just_pressed("click"):
-			initial_pos = global_position
-			return
+		if Input.is_action_pressed("click"):
+			time_since_first_location += delta
 		
-		if Input.is_action_pressed("click", true):
-			is_dragging.is_dragging = true
-			offset = global_position - get_global_mouse_position()
-			global_position = Vector2(offset.x, initial_pos.y)
+		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 * time_since_first_location))
+				draggable = false
 				
-		elif Input.is_action_just_released("click") && is_dragging.is_dragging:
-			is_dragging.is_dragging = false
-			var tween = get_tree().create_tween()
-			tween.tween_property(self, "global_position", Vector2(get_global_mouse_position().x, initial_pos.y), 0.5).set_ease(Tween.EASE_OUT)
+			elif mouse_release_location.x > mouse_first_location.x:
+				var distance = abs(mouse_first_location.x 
+					- mouse_release_location.x)
+				velocity = (distance / 
+					(velocity_coeffecient * time_since_first_location))
+				draggable = false
 				
-		else:
-			return
-
-func reset_draggable():
-	if not is_dragging.is_dragging:
-		is_dragging.is_dragging = false
-		draggable = false
-
-
-func _on_mouse_exited() -> void:
-	reset_draggable()
-
-
-func _on_mouse_entered() -> void:
-	if not is_dragging.is_dragging:
+	elif not draggable:
+		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:
+		push_warning("too far to the pos_x")
+		velocity = 0
+		global_position.x = 999
+		time_since_first_location = -1
+		draggable = true
+		return
+		
+	elif global_position.x < min_x:
+		push_warning("too far to the neg_y")
+		velocity = 0
+		global_position.x = 1
+		time_since_first_location = -1
+		draggable = true
+		return

src/scroll_root.tscn

@@ -23,6 +23,4 @@ offset_top = 299.0
 offset_right = 455.0
 offset_bottom = 299.0
 script = ExtResource("2_mej84")
-
-[connection signal="mouse_entered" from="Sliding Box/EmptySpaceThing" to="Sliding Box/EmptySpaceThing" method="_on_mouse_entered"]
-[connection signal="mouse_exited" from="Sliding Box/EmptySpaceThing" to="Sliding Box/EmptySpaceThing" method="_on_mouse_exited"]
+velocity_coeffecient = 735