Fix crash guard

Bug due to premptive rotation of player.

Player.gd

@@ -3,9 +3,6 @@ extends Area2D
 # Nodes
 var grid:TileMap
 onready var tween = $Tween
-onready var rayFront = $RayFront
-onready var rayLeft = $RayLeft
-onready var rayRight = $RayRight
 
 # Misc
 var cell_size
@@ -86,12 +83,13 @@ func move():
 
 	generate_wall()
 
-	if dire_delta == -1 and !rayLeft.is_colliding():
+	if dire_delta == -1 and !has_block_on_side(dire_delta):
+		# TODO Undo sprite turn if blocked
 		dire += dire_delta
 		if dire < 0:
 			dire = 3
 
-	elif dire_delta == 1 and !rayRight.is_colliding():
+	elif dire_delta == 1 and !has_block_on_side(dire_delta):
 		dire += dire_delta
 		if dire > 3:
 			dire = 0
@@ -106,6 +104,13 @@ func move():
 	tween.move_char(self, target_pos)
 	tween.start()
 
+func has_block_on_side(left_or_right:int):
+	var bposx:int = posix - diry * left_or_right
+	var bposy:int = posiy + dirx * left_or_right
+
+	# TODO : use enum for blocks
+	return grid.get_cell(bposx, bposy) == 1
+
 func turn(dir:int):
 	dirx = 0
 	diry = 0

Player.tscn

@@ -22,33 +22,6 @@ __meta__ = {
 "_edit_lock_": true
 }
 
-[node name="RayFront" type="RayCast2D" parent="."]
-position = Vector2( 0, -30 )
-enabled = true
-exclude_parent = false
-cast_to = Vector2( 0, -64 )
-__meta__ = {
-"_edit_lock_": true
-}
-
-[node name="RayLeft" type="RayCast2D" parent="."]
-position = Vector2( -30, 0 )
-enabled = true
-exclude_parent = false
-cast_to = Vector2( -64, 0 )
-__meta__ = {
-"_edit_lock_": true
-}
-
-[node name="RayRight" type="RayCast2D" parent="."]
-position = Vector2( 30, 0 )
-enabled = true
-exclude_parent = false
-cast_to = Vector2( 64, 0 )
-__meta__ = {
-"_edit_lock_": true
-}
-
 [node name="Tween" type="Tween" parent="."]
 script = ExtResource( 3 )
 duration = 0.1