Ball implemented, started work on game AI

proto2/items/item.gd

@@ -0,0 +1,68 @@
+extends RigidBody
+class_name Item
+
+var _taken: bool = false
+var _taken_by: Object
+var _dropped: bool = false
+var _dropped_by: Object
+var is_at_hands: bool = false
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	add_to_group("activatable")
+
+func get_take_act():
+	return "Take item"
+
+func get_drop_act():
+	return "Drop item"
+
+func get_act():
+	if is_at_hands:
+		return get_drop_act()
+	else:
+		return get_take_act()
+func activate():
+	if is_at_hands:
+		dropped(world.master_node)
+		
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass
+func _taken_act(pobj):
+	mode = RigidBody.MODE_KINEMATIC
+	collision_layer = 16
+	collision_mask = 16 | 2
+	get_parent().remove_child(self)
+	pobj.add_child(self)
+	transform = Transform()
+	set_as_toplevel(false)
+	is_at_hands = true
+func _dropped_act(pobj):
+	mode = RigidBody.MODE_RIGID
+	collision_layer = 1
+	collision_mask = 1 | 2
+	get_parent().remove_child(self)
+	world.master_node.get_node("/root/main").add_child(self)
+	global_transform = pobj.global_transform
+	set_as_toplevel(true)
+	is_at_hands = false
+func _physics_process(delta):
+	if _taken:
+		_taken_act(_taken_by)
+		_taken = false
+		_taken_by = null
+	if _dropped:
+		_dropped_act(_dropped_by)
+		_dropped = false
+		_dropped_by = null
+func taken(pobj):
+	_taken = true
+	_taken_by = pobj
+func dropped(pobj):
+	_dropped = true
+	_dropped_by = pobj