make zombie AI more useful

Main.gd

@@ -6,12 +6,13 @@ var relic_left = 5
 
 func add_zombie():
 	var zombie = zombie_scene.instance()
+	zombie.set_player($Player)
 	var zombie_spawn_location = get_node("Enemies/zombiePath/zombieSpawnLocation")
 	zombie_spawn_location.offset = randi()
 	zombie.position = zombie_spawn_location.position
 	if zombie.position.distance_to($Player.position) > 40:
-		zombie.look_at($Player.position)
-		zombie.linear_velocity = Vector2(100, 0).rotated(zombie.rotation)
+#		zombie.look_at($Player.position)
+#		zombie.linear_velocity = Vector2(100, 0).rotated(zombie.rotation)
 		zombie.connect("hit", self, 'player_got_hit')
 		add_child(zombie)
 	else:

Zombie.gd

@@ -1,7 +1,28 @@
-extends RigidBody2D
+extends KinematicBody2D
 
 signal hit
 
+onready var player
+
+func set_player(p):
+	player = p
+
+var velocity = Vector2()
+var speed = 2000
+
+func _process(delta):
+	if player.position.x > position.x:
+		velocity.x += speed
+	if player.position.x < position.x:
+		velocity.x -= speed
+	if player.position.y > position.y:
+		velocity.y += speed
+	if player.position.y < position.y:
+		velocity.y -= speed
+
+func _physics_process(delta):
+	velocity = move_and_slide(velocity * delta)
+	
 func _on_Area2D_body_entered(body):
 	if body.is_in_group("player"):
 		print("player hit")

Zombie.tscn

@@ -6,8 +6,8 @@
 [sub_resource type="RectangleShape2D" id=1]
 extents = Vector2( 13, 14.5 )
 
-[node name="RigidBody2D" type="RigidBody2D"]
-gravity_scale = 0.0
+[node name="RigidBody2D" type="KinematicBody2D"]
+collision/safe_margin = 0.001
 script = ExtResource( 2 )
 __meta__ = {
 "_edit_group_": true
@@ -22,7 +22,7 @@ scale = Vector2( 1.0262, 1.01107 )
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
 position = Vector2( 0, 0.5 )
-scale = Vector2( 0.744407, 0.756047 )
+scale = Vector2( 0.764139, 0.776087 )
 shape = SubResource( 1 )
 
 [node name="CollisionShape2D2" type="CollisionShape2D" parent="."]