more random movement toward target

core/battlefield.gd

@@ -0,0 +1,13 @@
+extends Node2D
+
+var _ticker1 := 0.0
+
+func _physics_process(delta):
+	_ticker1 += delta
+	if _ticker1 > 1.0:
+		_ticker1 -= 1.0
+		ticker("ticker1")
+		
+func ticker(group_name: String):
+	for node in get_tree().get_nodes_in_group(group_name):
+		node.tick()

core/battlefield.tscn

@@ -1,3 +1,6 @@
-[gd_scene format=3 uid="uid://brbtq46uk18gg"]
+[gd_scene load_steps=2 format=3 uid="uid://brbtq46uk18gg"]
+
+[ext_resource type="Script" path="res://core/battlefield.gd" id="1_u7icn"]
 
 [node name="battlefield" type="Node2D"]
+script = ExtResource("1_u7icn")

core/unit.gd

@@ -29,12 +29,10 @@ func _compose():
 			
 func _physics_process(delta):
 	if not target_reached:
-		# TODO use position instead of position, once parented to battlefield
+		# TODO use position instead of global_position, once parented to battlefield
 		global_position += (target_position - global_position).normalized() * 100.0 * delta
 		if global_position == target_position:
 			target_reached = true
-		
-	make_decision()  # TODO not every tick
 	
 func move_to(pos: Vector2):
 	if pos != target_position:
@@ -48,6 +46,3 @@ func damage(lost_hitpoints: float):
 		
 func die():
 	queue_free()
-		
-func make_decision():
-	pass

tac/units/fighter.gd

@@ -1,6 +1,6 @@
 extends Unit
 
-func make_decision():
+func tick():
 	# go to nearest enemy
 	var enemy: Unit = null
 	var closest := INF
@@ -11,5 +11,5 @@ func make_decision():
 				closest = distance
 				enemy = unit
 	if enemy:
-		move_to(enemy.global_position)
+		move_to(enemy.global_position + Vector2.from_angle(randf_range(0.0, PI * 2.0)) * randf_range(100.0, 300.0))
 		$turret.set_target(enemy)

tac/units/fighter.tscn

@@ -5,7 +5,7 @@
 [ext_resource type="Texture2D" uid="uid://2nhprnyswhyh" path="res://tac/assets/ship_small_1.png" id="2_oablw"]
 [ext_resource type="PackedScene" uid="uid://byg2bmiy2gia0" path="res://tac/weapons/turret.tscn" id="3_rt3r8"]
 
-[node name="fighter" instance=ExtResource("1_2ka4q")]
+[node name="fighter" groups=["ticker1"] instance=ExtResource("1_2ka4q")]
 script = ExtResource("2_evq3k")
 hitpoints = 20