Move movement in dedicated player method

Make methods shorter and modular.

Game.gd

@@ -25,6 +25,9 @@ func _ready():
 	player.turn_right_action = "player_2_turn_right"
 	player.position = Vector2(6 * 64 + 32, 8 * 64 + 32)
 	add_child(player)
+	
+	# TODO Timer
+	get_tree().call_group("players", "_on_game_start")
 
 func _process(d):
 	move_camera()

Player.gd

@@ -29,7 +29,6 @@ var diry = 0
 export var dire = Direction.UP
 var dire_delta = 0
 
-var is_moving = false
 var target_pos
 
 # Controls
@@ -60,20 +59,32 @@ func _ready():
 	rayRight = $RayRight
 
 func _physics_process(delta):
-	
-	if !alive:
-		return
-
+	# TODO : use action callbacks
 	if Input.is_action_just_pressed(turn_left_action):
 		dire_delta = -1
 	elif Input.is_action_just_pressed(turn_right_action):
 		dire_delta = 1
-	
-	if is_moving:
-		return
 
+func _on_game_start():
+	move()
+
+func _on_tween_completed(o, k):
+	move()
+
+func _on_crash(b):
+	die()
+	generate_wall()
+	grid.set_cell(posix, posiy, 2)
+
+func generate_wall():
 	grid.set_cell(posix - dirx, posiy - diry, 1)
 
+func move():
+	if !alive:
+		return
+
+	generate_wall()
+
 	if dire_delta == -1 and !rayLeft.is_colliding():
 		tween.rotate_char(self, rotation_degrees - 90)
 
@@ -96,18 +107,8 @@ func _physics_process(delta):
 
 	target_pos = Vector2(posix * cell_size + cell_half_size, posiy * cell_size + cell_half_size)
 	tween.move_char(self, target_pos)
-	is_moving = true
 	tween.start()
 
-
-func _on_tween_completed(o, k):
-	is_moving = false
-
-func _on_crash(b):
-	die()
-	grid.set_cell(posix - dirx, posiy - diry, 1)
-	grid.set_cell(posix, posiy, 2)
-
 func turn(dir:int):
 	dirx = 0
 	diry = 0