Some improvements

cards/card.gd

@@ -19,13 +19,18 @@ func _ready() -> void:
 func _gui_input(event: InputEvent) -> void:
 	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
 		dragged = true
+		var pos = global_position
 		top_level = true
+		global_position = pos
 		accept_event()
 
 func _input(event: InputEvent) -> void:
 	if dragged and event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and not event.pressed:
 		dragged = false
+		
+		var pos = global_position
 		top_level = false
+		global_position = pos
 		accept_event()
 
 func _process(_delta: float) -> void:
@@ -34,6 +39,6 @@ func _process(_delta: float) -> void:
 		return
 	
 	var mouse_pos = get_global_mouse_position()-get_combined_pivot_offset()
-	position = lerp(position,mouse_pos,0.25)
+	global_position = lerp(global_position,mouse_pos,0.25)
-	var relative_x = mouse_pos.x - position.x
+	var relative_x = mouse_pos.x - global_position.x
 	rotation = lerp(rotation,clamp(relative_x/PIXEL_PER_ROTATION*ROTATION,-ROTATION,ROTATION),0.25)

scenes/game.tscn

@@ -2,6 +2,7 @@
 
 [ext_resource type="Texture2D" uid="uid://b2pm032d5tqwb" path="res://sprites/field.png" id="1_iywne"]
 [ext_resource type="PackedScene" uid="uid://dl3ve6prnn2m6" path="res://cards/card.tscn" id="2_p57ef"]
+[ext_resource type="Script" uid="uid://caf4h6lok18so" path="res://ui/hand.gd" id="2_u5sy4"]
 [ext_resource type="Resource" uid="uid://e7kiu3wcf0ff" path="res://cards/resources/fosma.tres" id="3_u5sy4"]
 [ext_resource type="Resource" uid="uid://djqlx7bmcs5gj" path="res://cards/resources/doh.tres" id="4_gee14"]
 [ext_resource type="Resource" uid="uid://b6kiwb0marpng" path="res://cards/resources/zlosma.tres" id="5_0tnpc"]
@@ -14,23 +15,53 @@ centered = false
 
 [node name="PlayerInterface" type="CanvasLayer" parent="." unique_id=269857956]
 
-[node name="Card" parent="." unique_id=267582807 instance=ExtResource("2_p57ef")]
+[node name="Hand" type="Control" parent="PlayerInterface" unique_id=403305026]
-offset_left = 401.0
+layout_mode = 3
-offset_top = 466.0
+anchors_preset = 12
-offset_right = 514.0
+anchor_top = 1.0
-offset_bottom = 635.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 0
+pivot_offset_ratio = Vector2(0.5, 0.5)
+script = ExtResource("2_u5sy4")
+
+[node name="Card" parent="PlayerInterface/Hand" unique_id=267582807 instance=ExtResource("2_p57ef")]
+layout_mode = 0
+anchors_preset = 0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 402.0
+offset_right = 515.0
+offset_bottom = 169.0
 card_resource = ExtResource("3_u5sy4")
 
-[node name="Card2" parent="." unique_id=1229293312 instance=ExtResource("2_p57ef")]
+[node name="Card2" parent="PlayerInterface/Hand" unique_id=1229293312 instance=ExtResource("2_p57ef")]
-offset_left = 544.0
+layout_mode = 0
-offset_top = 467.0
+anchors_preset = 0
-offset_right = 657.0
+anchor_right = 0.0
-offset_bottom = 636.0
+anchor_bottom = 0.0
+offset_left = 519.0
+offset_right = 632.0
+offset_bottom = 169.0
 card_resource = ExtResource("4_gee14")
 
-[node name="Card3" parent="." unique_id=1907397406 instance=ExtResource("2_p57ef")]
+[node name="Card4" parent="PlayerInterface/Hand" unique_id=1427311772 instance=ExtResource("2_p57ef")]
-offset_left = 698.0
+layout_mode = 0
-offset_top = 471.0
+anchors_preset = 0
-offset_right = 811.0
+anchor_right = 0.0
-offset_bottom = 640.0
+anchor_bottom = 0.0
+offset_left = 804.0
+offset_right = 917.0
+offset_bottom = 169.0
+card_resource = ExtResource("3_u5sy4")
+
+[node name="Card3" parent="PlayerInterface/Hand" unique_id=1907397406 instance=ExtResource("2_p57ef")]
+layout_mode = 0
+anchors_preset = 0
+anchor_right = 0.0
+anchor_bottom = 0.0
+offset_left = 636.0
+offset_right = 749.0
+offset_bottom = 169.0
 card_resource = ExtResource("5_0tnpc")

ui/hand.gd

@@ -0,0 +1,27 @@
+@tool
+extends Control
+
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(_delta: float) -> void:
+	var calculated_size: Vector2 = Vector2.ZERO
+	
+	for card: Card in get_children():
+		calculated_size += card.get_rect().size
+	
+	calculated_size.y /= get_child_count()
+	
+	var offset: float = 0.
+	for i in range(get_child_count()):
+		var card:Card = get_child(i)
+		offset += card.get_rect().size.x
+		if card.top_level:
+			continue
+		
+		var calculated_position: Vector2 = get_combined_pivot_offset() - calculated_size * Vector2(1.-1./get_child_count(),1) + Vector2.RIGHT*offset
+		
+		card.position = lerp(card.position,calculated_position,0.25)
+
+func resort_by_position():
+	var children: Array = get_children()

ui/hand.gd.uid

@@ -0,0 +1 @@
+uid://caf4h6lok18so