Snap only when on board

- snaps only when placed on board
- Returns to original position if it isn't

godot_ship/script/game/moveShip.gd

@@ -5,11 +5,12 @@ extends RigidBody2D
 # var a = 2
 # var b = "text"
 var held = false
-
+var originalPos
+var snapOriginalPos = false
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	pass # Replace with function body.
+	pass
 
 var click_radius = 16
 var orient = 0;
@@ -22,9 +23,16 @@ func _input(event):
 				
 		if held and not event.pressed:
 			held = false;
-			position = position.snapped(Vector2(32, 32)) + Vector2(2, 2)
+			if (position.x > 17.4 and position.x < 337.5) and (position.y > 20.2 and position.y < 335.5):
+				position = position.snapped(Vector2(32, 32)) + Vector2(2, 2)
+			else:
+				position = originalPos
+				
 			
 	if event is InputEventMouseMotion and held:
+		if snapOriginalPos == false:
+			originalPos = position
+			snapOriginalPos = true
 		position = event.position;
 		
 	if event.is_action_pressed("ui_rotate"):
@@ -45,3 +53,4 @@ func drop(impulse=Vector2.ZERO):
 		mode = RigidBody2D.MODE_RIGID
 		apply_central_impulse(impulse)
 		held = false
+		snapOriginalPos = false