arm movement

scenes/main_scene.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=7 format=3 uid="uid://n05pnykd3tff"]
+[gd_scene load_steps=9 format=3 uid="uid://n05pnykd3tff"]
 
 [ext_resource type="PackedScene" uid="uid://dgm3241ceqpim" path="res://scenes/body.tscn" id="1_eeca8"]
 
@@ -21,6 +21,12 @@ size = Vector3(50, 1, 50)
 [sub_resource type="BoxShape3D" id="BoxShape3D_0lkv2"]
 size = Vector3(50, 1, 50)
 
+[sub_resource type="BoxMesh" id="BoxMesh_6hnpm"]
+size = Vector3(25, 1, 100)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_qcnmp"]
+size = Vector3(25, 1, 100)
+
 [node name="Main" type="Node3D"]
 
 [node name="CanvasLayer" type="CanvasLayer" parent="."]
@@ -58,4 +64,15 @@ skeleton = NodePath("../..")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="World/StaticBody3D"]
 shape = SubResource("BoxShape3D_0lkv2")
 
+[node name="StaticBody3D2" type="StaticBody3D" parent="World"]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 50, -18)
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="World/StaticBody3D2"]
+mesh = SubResource("BoxMesh_6hnpm")
+skeleton = NodePath("../..")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="World/StaticBody3D2"]
+shape = SubResource("BoxShape3D_qcnmp")
+
 [node name="Body" parent="World" instance=ExtResource("1_eeca8")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 7, 0)

scripts/arm.gd

@@ -1,7 +1,9 @@
 class_name Arm extends Node3D
 
-@export var action: StringName
+@onready var camera: Camera3D = $"../../Camera3D"
+@onready var target: Marker3D = $Target
 
+@export var action: StringName
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
@@ -13,10 +15,17 @@ func _process(delta: float) -> void:
 	pass
 
 
-func _arm_enabled(arm):
-	print_debug("enabled!")
-	pass
-
-func _arm_disabled(arm):
-	print_debug("disabled!")
-	pass
+func update_target_pos() -> void:
+	var mouse_pos: Vector2 = camera.get_window().get_mouse_position()
+	
+	var origin: Vector3 = camera.project_ray_origin(mouse_pos)
+	var dir: Vector3 = origin + (camera.project_ray_normal(mouse_pos) * 100)
+	
+	var world_space: PhysicsDirectSpaceState3D = camera.get_window().world_3d.direct_space_state
+	var ray_query = PhysicsRayQueryParameters3D.create(origin, dir)
+	var collision: Dictionary = world_space.intersect_ray(ray_query)
+	
+	if collision == null: return
+	
+	var arm_target_pos: Vector3 = collision["position"]
+	target.global_position = arm_target_pos

scripts/body.gd

@@ -1,21 +1,25 @@
 class_name Body extends Node3D
 
 @export var arms: Array[Arm]
+@export var pull_strength: float = 5.0
 
-signal arm_enabled(arm)
-signal arm_disabled(arm)
-
+var active_arm: Arm
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	for arm in arms:
-		arm_enabled.connect(arm._arm_enabled)
-		arm_disabled.connect(arm._arm_disabled)
+	pass
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _physics_process(delta: float) -> void:
+func _unhandled_input(event: InputEvent) -> void:
 	for arm in arms:
-		if Input.is_action_just_pressed(arm.action):
-			arm_enabled.emit(arm)
+		if Input.is_action_pressed(arm.action):
+			active_arm = arm
+			return
 		if Input.is_action_just_released(arm.action):
-			arm_disabled.emit(arm)
+			active_arm = null
+			return
+
+func _physics_process(delta: float) -> void:
+	if active_arm == null: return
+	
+	active_arm.update_target_pos()