Fix collision bug

Player.gd

@@ -31,11 +31,10 @@ var tween
 var target_pos = Vector2()
 var blocks = []
 var is_blocked:bool = false
-export (NodePath) var rayU
-export (NodePath) var rayD
-export (NodePath) var rayL
-export (NodePath) var rayR
-var raycast
+
+var rayFront
+var rayLeft
+var rayRight
 
 func _ready():
 	grid = get_parent()
@@ -48,6 +47,10 @@ func _ready():
 	tween = $Tween
 	tween.connect_into(self)
 
+	rayFront = $RayFront
+	rayLeft = $RayLeft
+	rayRight = $RayRight
+
 func _physics_process(delta):
 
 	if Input.is_action_pressed("ui_left"):
@@ -72,7 +75,7 @@ func _physics_process(delta):
 
 		turn(dire)
 
-		if !is_moving and !raycast.is_colliding():
+		if !is_moving and !rayFront.is_colliding():
 			posix += dirx
 			posiy += diry
 
@@ -88,14 +91,10 @@ func turn(dir:int):
 	dirx = 0
 	diry = 0
 	if dir == DIR_UP:
-		raycast=get_node(rayU)
 		diry -= 1
 	elif dir == DIR_RIGHT:
-		raycast=get_node(rayR)
 		dirx += 1
 	elif dir == DIR_DOWN:
-		raycast=get_node(rayD)
 		diry += 1
 	else:
-		raycast=get_node(rayL)
 		dirx -= 1

Player.tscn

@@ -9,10 +9,6 @@ extents = Vector2( 16, 16 )
 
 [node name="Player" type="Area2D"]
 script = ExtResource( 1 )
-rayU = NodePath("RayUp")
-rayD = NodePath("RayDown")
-rayL = NodePath("RayLeft")
-rayR = NodePath("RayRight")
 
 [node name="Sprite" type="Sprite" parent="."]
 texture = ExtResource( 2 )
@@ -26,7 +22,7 @@ __meta__ = {
 "_edit_lock_": true
 }
 
-[node name="RayUp" type="RayCast2D" parent="."]
+[node name="RayFront" type="RayCast2D" parent="."]
 position = Vector2( 0, -30 )
 enabled = true
 exclude_parent = false
@@ -35,15 +31,6 @@ __meta__ = {
 "_edit_lock_": true
 }
 
-[node name="RayDown" type="RayCast2D" parent="."]
-position = Vector2( 0, 30 )
-enabled = true
-exclude_parent = false
-cast_to = Vector2( 0, 32 )
-__meta__ = {
-"_edit_lock_": true
-}
-
 [node name="RayLeft" type="RayCast2D" parent="."]
 position = Vector2( -30, 0 )
 enabled = true