Created C# networked Pong

networking/multiplayer_pong/logic/ball.gd

@@ -22,16 +22,20 @@ func _process(delta):
 		direction.y = -direction.y
 
 	if is_network_master():
-		# Only master will decide when the ball is out in the left side (it's own side).
-		# This makes the game playable even if latency is high and ball is going fast.
-		# Otherwise ball might be out in the other player's screen but not this one.
+		# Only the master will decide when the ball is out in
+		# the left side (it's own side). This makes the game
+		# playable even if latency is high and ball is going
+		# fast. Otherwise ball might be out in the other
+		# player's screen but not this one.
 		if ball_pos.x < 0:
 			get_parent().rpc("update_score", false)
 			rpc("_reset_ball", false)
 	else:
-		# Only the puppet will decide when the ball is out in the right side (it's own side).
-		# This makes the game playable even if latency is high and ball is going fast.
-		# Otherwise ball might be out in the other player's screen but not this one.
+		# Only the puppet will decide when the ball is out in
+		# the right side, which is it's own side. This makes
+		# the game playable even if latency is high and ball
+		# is going fast. Otherwise ball might be out in the
+		# other player's screen but not this one.
 		if ball_pos.x > _screen_size.x:
 			get_parent().rpc("update_score", true)
 			rpc("_reset_ball", true)

networking/multiplayer_pong/logic/lobby.gd

@@ -40,7 +40,7 @@ func _player_disconnected(_id):
 
 # Callback from SceneTree, only for clients (not server).
 func _connected_ok():
-	pass # We don't need this function.
+	pass # This function is not needed for this project.
 
 
 # Callback from SceneTree, only for clients (not server).
@@ -59,7 +59,8 @@ func _server_disconnected():
 
 func _end_game(with_error = ""):
 	if has_node("/root/Pong"):
-		# Erase immediately, otherwise network might show errors (this is why we connected deferred above).
+		# Erase immediately, otherwise network might show
+		# errors (this is why we connected deferred above).
 		get_node("/root/Pong").free()
 		show()
 

networking/multiplayer_pong/logic/paddle.gd

@@ -4,42 +4,42 @@ const MOTION_SPEED = 150
 
 export var left = false
 
-var motion = 0
-var you_hidden = false
+var _motion = 0
+var _you_hidden = false
 
 onready var _screen_size_y = get_viewport_rect().size.y
 
 func _process(delta):
 	# Is the master of the paddle.
 	if is_network_master():
-		motion = Input.get_action_strength("move_down") - Input.get_action_strength("move_up")
+		_motion = Input.get_action_strength("move_down") - Input.get_action_strength("move_up")
 
-		if not you_hidden and motion != 0:
+		if not _you_hidden and _motion != 0:
 			_hide_you_label()
 
-		motion *= MOTION_SPEED
+		_motion *= MOTION_SPEED
 
 		# Using unreliable to make sure position is updated as fast
 		# as possible, even if one of the calls is dropped.
-		rpc_unreliable("set_pos_and_motion", position, motion)
+		rpc_unreliable("set_pos_and_motion", position, _motion)
 	else:
-		if not you_hidden:
+		if not _you_hidden:
 			_hide_you_label()
 
-	translate(Vector2(0, motion * delta))
+	translate(Vector2(0, _motion * delta))
 
 	# Set screen limits.
 	position.y = clamp(position.y, 16, _screen_size_y - 16)
 
 
 # Synchronize position and speed to the other peers.
-puppet func set_pos_and_motion(p_pos, p_motion):
-	position = p_pos
-	motion = p_motion
+puppet func set_pos_and_motion(pos, motion):
+	position = pos
+	_motion = motion
 
 
 func _hide_you_label():
-	you_hidden = true
+	_you_hidden = true
 	get_node("You").hide()
 
 

networking/multiplayer_pong/logic/pong.gd

@@ -1,12 +1,12 @@
 extends Node2D
 
+signal game_finished()
+
 const SCORE_TO_WIN = 10
 
 var score_left = 0
 var score_right = 0
 
-signal game_finished()
-
 onready var player2 = $Player2
 onready var score_left_node = $ScoreLeft
 onready var score_right_node = $ScoreRight
@@ -23,7 +23,8 @@ func _ready():
 	else:
 		# For the client, give control of player 2 to itself.
 		player2.set_network_master(get_tree().get_network_unique_id())
-	print("unique id: ", get_tree().get_network_unique_id())
+
+	print("Unique id: ", get_tree().get_network_unique_id())
 
 
 sync func update_score(add_to_left):

networking/multiplayer_pong/pong.tscn

@@ -21,19 +21,14 @@ position = Vector2( 320, 200 )
 texture = ExtResource( 2 )
 
 [node name="Player1" parent="." instance=ExtResource( 3 )]
+modulate = Color( 0, 1, 1, 1 )
 position = Vector2( 32.49, 188.622 )
 left = true
 
-[node name="Sprite" parent="Player1" index="0"]
-self_modulate = Color( 0, 1, 1, 1 )
-
 [node name="Player2" parent="." instance=ExtResource( 3 )]
-self_modulate = Color( 1, 0, 1, 1 )
+modulate = Color( 1, 0, 1, 1 )
 position = Vector2( 608.88, 188.622 )
 
-[node name="Sprite" parent="Player2" index="0"]
-self_modulate = Color( 1, 0, 1, 1 )
-
 [node name="Ball" parent="." instance=ExtResource( 4 )]
 position = Vector2( 320.387, 189.525 )
 

networking/multiplayer_pong/project.godot

@@ -64,4 +64,3 @@ move_up={
 
 quality/driver/driver_name="GLES2"
 quality/2d/use_pixel_snap=true
-viewport/default_clear_color=Color( 0, 0, 0, 1 )