based snake gaming

prefabs/snake_segment.gd

@@ -9,18 +9,21 @@ var want_direction : Vector2 = Vector2.RIGHT
 var start_pos : Vector2
 var target_pos : Vector2
 var move_progress : float
+
+var snake_speed : float = 1
 # if snake is the head, it chooses where it goes
 # if snake is not the head, it goes where the one infront went
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	target_pos = position
 	start_pos = position
 	get_new_target()
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
-	move_progress += delta
+	move_progress += delta * snake_speed
 	if Input.get_vector("left","right","up","down").length() > 0:
 		want_direction = Input.get_vector("left","right","up","down")
 	position = lerp(start_pos,target_pos,move_progress)
@@ -30,7 +33,8 @@ func _process(delta: float) -> void:
 func get_new_target():
 	start_pos=target_pos
 	if is_head:
-		direction = want_direction
+		if want_direction != direction*-1:
+			direction = want_direction
 		target_pos = start_pos + (direction * 320)
 	else:
 		target_pos = next_segment.position