Make Sheeps Draggable with a CursorMagnet

Throwing and drag isn't implemented yet. Any ideas for how to do it with this framework?
Might be a good idea to do it on a branch first...

behaviours/draggable.gd

@@ -2,11 +2,20 @@ extends Area2D
 class_name Draggable
 
 
+signal move(movement: Vector2)
 signal dragged
 signal dropped
 
 
-var being_dragged: bool = false
+@onready var mover: Node2D = $"MatchMousePosition"
+
+var being_dragged: bool:
+	get:
+		return being_dragged
+	set(value):
+		being_dragged = value
+		mover.set_process(being_dragged)
+		mover.set_physics_process(being_dragged)
 
 
 func drag():
@@ -16,3 +25,10 @@ func drag():
 func drop():
 	being_dragged = false
 	dropped.emit()
+
+
+func _ready():
+	being_dragged = false
+
+func _on_move(movement: Vector2):
+	move.emit(movement)

behaviours/draggable.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3 uid="uid://dijcjahkddudv"]
+[gd_scene load_steps=4 format=3 uid="uid://dijcjahkddudv"]
 
 [ext_resource type="Script" path="res://behaviours/draggable.gd" id="1_hdedq"]
+[ext_resource type="PackedScene" uid="uid://bvrxvrjlo5130" path="res://behaviours/move_towards_mouse.tscn" id="2_gi6xd"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_vkph8"]
 radius = 8.0
@@ -11,3 +12,9 @@ script = ExtResource("1_hdedq")
 [node name="Shape" type="CollisionShape2D" parent="."]
 shape = SubResource("CircleShape2D_vkph8")
 debug_color = Color(1, 1, 1, 0)
+
+[node name="MatchMousePosition" parent="." instance=ExtResource("2_gi6xd")]
+scale = Vector2(10000, 10000)
+speed = 100000.0
+
+[connection signal="move" from="MatchMousePosition" to="." method="_on_move"]

behaviours/move_towards_mouse.gd

@@ -27,8 +27,10 @@ func get_relative_mouse_position():
 func _physics_process(delta: float) -> void:
 	match state:
 		State.CAPTURED:
-			var direction: Vector2 = position.direction_to(get_relative_mouse_position())
+			var relative_mouse_position: Vector2 = get_relative_mouse_position()
-			var movement: Vector2 = direction * delta * speed
+			var direction: Vector2 = position.direction_to(relative_mouse_position)
+			var actual_speed: float = min(delta * speed, relative_mouse_position.length())  # Don't overshoot.
+			var movement: Vector2 = direction * actual_speed
 			move.emit(movement)
 
 func _on_capture_area_mouse_entered() -> void:

entities/sheep.gd

@@ -2,6 +2,14 @@ extends CharacterBody2D
 class_name Sheep
 
 
+@onready var draggable: Draggable = $"Draggable"
+
 
 func _on_move(movement: Vector2) -> void:
-	move_and_collide(movement)
+	if not draggable.being_dragged:
+		move_and_collide(movement)
+
+
+func _on_drag_move(movement: Vector2) -> void:
+	if draggable.being_dragged:
+		move_and_collide(movement)

entities/sheep.tscn

@@ -25,5 +25,7 @@ speed = -20.0
 can_detach = true
 
 [node name="Draggable" parent="." instance=ExtResource("3_8ku7r")]
+scale = Vector2(2, 2)
 
 [connection signal="move" from="MoveTowardsMouse" to="." method="_on_move"]
+[connection signal="move" from="Draggable" to="." method="_on_drag_move"]

scenes/game/cursor_magnet.gd

@@ -0,0 +1,54 @@
+extends Area2D
+class_name CursorMagnet
+
+
+signal dragged(node: Draggable)
+signal dropped(node: Draggable)
+
+
+func find_closest_target() -> Draggable:
+	var bodies = get_overlapping_bodies()
+	var min_distance: float = INF
+	var to_drag: Node = null
+	for body in bodies:
+		for target in body.find_children("Draggable", "Draggable", false, false):
+			var distance = position.distance_to(target.position)
+			if distance < min_distance:
+				min_distance = distance
+				to_drag = target
+	return to_drag
+
+
+var dragging: Draggable = null
+
+func drag():
+	var target = find_closest_target()
+	if target:
+		dragging = target
+		target.drag()
+		dragged.emit(target)
+
+func drop():
+	if dragging:
+		var target = dragging
+		dragging = null
+		target.drop()
+		dropped.emit(target)
+
+
+func _input(event: InputEvent) -> void:
+	if event is InputEventMouseButton:
+		if event.button_index == MOUSE_BUTTON_LEFT:
+			if event.pressed:
+				drag()
+			else:
+				drop()
+
+func _on_dragged(node: Draggable) -> void:
+	Log.p(self, "Dragged: %s" % node)
+
+func _on_dropped(node: Draggable) -> void:
+	Log.p(self, "Dropped: %s" % node)
+
+func _on_move(movement: Vector2) -> void:
+	position += movement

scenes/game/cursor_magnet.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=3 uid="uid://7j1b55t8tafg"]
+
+[ext_resource type="Script" path="res://scenes/game/cursor_magnet.gd" id="1_xk040"]
+[ext_resource type="PackedScene" uid="uid://bvrxvrjlo5130" path="res://behaviours/move_towards_mouse.tscn" id="2_ljil3"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_6mkjn"]
+radius = 16.0
+
+[node name="CursorMagnet" type="Area2D"]
+script = ExtResource("1_xk040")
+
+[node name="Shape" type="CollisionShape2D" parent="."]
+scale = Vector2(0.5, 0.5)
+shape = SubResource("CircleShape2D_6mkjn")
+debug_color = Color(1, 1, 1, 0.67451)
+
+[node name="MoveTowardsMouse" parent="." instance=ExtResource("2_ljil3")]
+scale = Vector2(10000, 10000)
+speed = 100000.0
+
+[connection signal="dragged" from="." to="." method="_on_dragged"]
+[connection signal="dropped" from="." to="." method="_on_dropped"]
+[connection signal="move" from="MoveTowardsMouse" to="." method="_on_move"]

scenes/game/main_game.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=8 format=3 uid="uid://cxj5aud02f40j"]
+[gd_scene load_steps=9 format=3 uid="uid://cxj5aud02f40j"]
 
 [ext_resource type="Script" path="res://scenes/game/main_game.gd" id="1_wiglu"]
 [ext_resource type="PackedScene" uid="uid://dm068vaseh45n" path="res://scenes/game/game_camera.tscn" id="2_db5xs"]
 [ext_resource type="PackedScene" uid="uid://brvbtvt4em32" path="res://behaviours/counter.tscn" id="3_p6jw3"]
+[ext_resource type="PackedScene" uid="uid://7j1b55t8tafg" path="res://scenes/game/cursor_magnet.tscn" id="3_xbolm"]
 [ext_resource type="PackedScene" uid="uid://uoxwjpmgg27a" path="res://entities/gold.tscn" id="4_eu7q4"]
 [ext_resource type="PackedScene" uid="uid://bc2bm8lbol18w" path="res://entities/sheep.tscn" id="5_63bwb"]
 
@@ -26,6 +27,8 @@ debug_color = Color(1, 1, 1, 0)
 
 [node name="GameCamera" parent="." instance=ExtResource("2_db5xs")]
 
+[node name="CursorMagnet" parent="." instance=ExtResource("3_xbolm")]
+
 [node name="GoldCounter" parent="." instance=ExtResource("3_p6jw3")]
 
 [node name="Gold" parent="." instance=ExtResource("4_eu7q4")]