⚙️ Implement conveyor belt animation

Scenes/ConveyorBelt.tscn

@@ -1,10 +1,12 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://Tilesets/ConveyorBelt.tres" type="TileSet" id=1]
 [ext_resource path="res://Scripts/ConveyorBelt.gd" type="Script" id=2]
+[ext_resource path="res://Scenes/Gear.tscn" type="PackedScene" id=3]
+[ext_resource path="res://Scenes/Gears.gd" type="Script" id=5]
 
 [sub_resource type="RectangleShape2D" id=1]
-extents = Vector2( 680, 20 )
+extents = Vector2( 640, 20 )
 
 [node name="ConveyorBelt" type="StaticBody2D"]
 collision_layer = 4
@@ -22,4 +24,103 @@ cell_quadrant_size = 40
 cell_tile_origin = 1
 centered_textures = true
 format = 1
-tile_data = PoolIntArray( 65519, 0, 0, 65520, 1, 0, 65521, 1, 0, 65522, 1, 0, 65523, 1, 0, 65524, 1, 0, 65525, 1, 0, 65526, 1, 0, 65527, 1, 0, 65528, 1, 0, 65529, 1, 0, 65530, 1, 0, 65531, 1, 0, 65532, 1, 0, 65533, 1, 0, 65534, 1, 0, 65535, 1, 0, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 1, 0, 4, 1, 0, 5, 1, 0, 6, 1, 0, 7, 1, 0, 8, 1, 0, 9, 1, 0, 10, 1, 0, 11, 1, 0, 12, 1, 0, 13, 1, 0, 14, 1, 0, 15, 1, 0, 16, 2, 0 )
+tile_data = PoolIntArray( 65520, 0, 0, 65521, 0, 0, 65522, 0, 0, 65523, 0, 0, 65524, 0, 0, 65525, 0, 0, 65526, 0, 0, 65527, 0, 0, 65528, 0, 0, 65529, 0, 0, 65530, 0, 0, 65531, 0, 0, 65532, 0, 0, 65533, 0, 0, 65534, 0, 0, 65535, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 3, 0, 0, 4, 0, 0, 5, 0, 0, 6, 0, 0, 7, 0, 0, 8, 0, 0, 9, 0, 0, 10, 0, 0, 11, 0, 0, 12, 0, 0, 13, 0, 0, 14, 0, 0, 15, 0, 0 )
+
+[node name="Gears" type="Node2D" parent="."]
+position = Vector2( -220, 0 )
+script = ExtResource( 5 )
+
+[node name="Gear" parent="Gears" instance=ExtResource( 3 )]
+
+[node name="Gear2" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -360, 0 )
+
+[node name="Gear3" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -320, 0 )
+
+[node name="Gear4" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -280, 0 )
+
+[node name="Gear5" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -240, 0 )
+
+[node name="Gear6" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -200, 0 )
+
+[node name="Gear7" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -160, 0 )
+
+[node name="Gear8" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -120, 0 )
+
+[node name="Gear9" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -80, 0 )
+
+[node name="Gear10" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( -40, 0 )
+
+[node name="Gear11" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 0, 0 )
+
+[node name="Gear12" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 40, 0 )
+
+[node name="Gear13" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 80, 0 )
+
+[node name="Gear14" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 120, 0 )
+
+[node name="Gear15" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 160, 0 )
+
+[node name="Gear16" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 200, 0 )
+
+[node name="Gear17" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 240, 0 )
+
+[node name="Gear18" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 280, 0 )
+
+[node name="Gear19" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 320, 0 )
+
+[node name="Gear20" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 360, 0 )
+
+[node name="Gear21" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 400, 0 )
+
+[node name="Gear22" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 440, 0 )
+
+[node name="Gear23" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 480, 0 )
+
+[node name="Gear24" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 520, 0 )
+
+[node name="Gear25" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 560, 0 )
+
+[node name="Gear26" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 600, 0 )
+
+[node name="Gear27" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 640, 0 )
+
+[node name="Gear28" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 680, 0 )
+
+[node name="Gear29" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 720, 0 )
+
+[node name="Gear30" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 760, 0 )
+
+[node name="Gear31" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 800, 0 )
+
+[node name="Gear32" parent="Gears" instance=ExtResource( 3 )]
+position = Vector2( 840, 0 )

Scenes/Gear.gd

@@ -0,0 +1,21 @@
+extends Node2D
+
+
+var rng = RandomNumberGenerator.new()
+
+var cb_speed: float setget set_cb_speed, get_cb_speed
+var randomize_start_position: bool = false
+
+func set_cb_speed(value):
+	cb_speed = value
+	$AnimationPlayer.playback_speed = -value / 80
+	$AnimationPlayer.play("SpinClockwise")
+	if randomize_start_position:
+		rng.randomize()
+		var offset = rng.randf_range(0.0, 1.0)
+		$AnimationPlayer.seek(offset, true)
+		randomize_start_position = false
+
+func get_cb_speed():
+	return cb_speed
+

Scenes/Gear.tscn

@@ -0,0 +1,30 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://Sprites/conveyor_gear.png" type="Texture" id=1]
+[ext_resource path="res://Scenes/Gear.gd" type="Script" id=2]
+
+[sub_resource type="Animation" id=2]
+resource_name = "SpinClockwise"
+loop = true
+tracks/0/type = "value"
+tracks/0/path = NodePath("Gear1:rotation_degrees")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/keys = {
+"times": PoolRealArray( 0, 1 ),
+"transitions": PoolRealArray( 1, 1 ),
+"update": 0,
+"values": [ 0.0, 360.0 ]
+}
+
+[node name="Gear" type="Node2D"]
+position = Vector2( -400, 0 )
+script = ExtResource( 2 )
+
+[node name="Gear1" type="Sprite" parent="."]
+texture = ExtResource( 1 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+anims/SpinClockwise = SubResource( 2 )

Scenes/Gears.gd

@@ -0,0 +1,18 @@
+extends Node2D
+
+
+var cb_speed: float setget set_cb_speed, get_cb_speed
+
+func set_cb_speed(value):
+	for children in get_children():
+		children.set_cb_speed(value)
+
+func get_cb_speed():
+	return cb_speed
+
+
+var randomize_start_position: bool setget set_randomize_start_position
+
+func set_randomize_start_position(value):
+	for children in get_children():
+		children.randomize_start_position = value

Scenes/Main.tscn

@@ -1,11 +1,9 @@
-[gd_scene load_steps=7 format=2]
+[gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://Scenes/Player.tscn" type="PackedScene" id=1]
 [ext_resource path="res://Scenes/Conductor.tscn" type="PackedScene" id=2]
 [ext_resource path="res://Scenes/ConveyorBelt.tscn" type="PackedScene" id=3]
 [ext_resource path="res://Scenes/SingleScreenWalls.tscn" type="PackedScene" id=4]
-[ext_resource path="res://Scenes/Obstacles/Press.tscn" type="PackedScene" id=5]
-[ext_resource path="res://Scenes/Obstacles/ScrollingBlock.tscn" type="PackedScene" id=6]
 
 [node name="Main" type="Node2D"]
 __meta__ = {
@@ -17,80 +15,8 @@ position = Vector2( 622.258, 379.938 )
 
 [node name="ConveyorBelt" parent="." instance=ExtResource( 3 )]
 position = Vector2( 640, 700 )
-conveyor_speed = 100.0
+cb_speed = 100.0
 
 [node name="SingleScreenWalls" parent="." instance=ExtResource( 4 )]
 
 [node name="Conductor" parent="." instance=ExtResource( 2 )]
-song_bpm = 120.0
-
-[node name="ScrollingBlock" parent="." instance=ExtResource( 6 )]
-position = Vector2( 800, 660 )
-
-[node name="ScrollingBlock2" parent="." instance=ExtResource( 6 )]
-position = Vector2( 880, 580 )
-
-[node name="ScrollingBlock3" parent="." instance=ExtResource( 6 )]
-position = Vector2( 920, 540 )
-
-[node name="ScrollingBlock4" parent="." instance=ExtResource( 6 )]
-position = Vector2( 840, 620 )
-
-[node name="ScrollingBlock5" parent="." instance=ExtResource( 6 )]
-position = Vector2( 960, 500 )
-
-[node name="ScrollingBlock6" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1000, 460 )
-
-[node name="ScrollingBlock7" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1080, 380 )
-
-[node name="ScrollingBlock8" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1120, 340 )
-
-[node name="ScrollingBlock9" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1040, 420 )
-
-[node name="ScrollingBlock10" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1160, 300 )
-
-[node name="ScrollingBlock11" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1200, 260 )
-
-[node name="ScrollingBlock12" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1240, 220 )
-
-[node name="ScrollingBlock13" parent="." instance=ExtResource( 6 )]
-position = Vector2( 1660, 220 )
-scale = Vector2( 20, 1 )
-
-[node name="ScrollingBlock14" parent="." instance=ExtResource( 6 )]
-position = Vector2( 2240, 360 )
-scale = Vector2( 5, 1 )
-
-[node name="ScrollingBlock15" parent="." instance=ExtResource( 6 )]
-position = Vector2( 2540, 280 )
-scale = Vector2( 5, 1 )
-
-[node name="ScrollingBlock16" parent="." instance=ExtResource( 6 )]
-position = Vector2( 2820, 400 )
-scale = Vector2( 5, 1 )
-
-[node name="Press" parent="." instance=ExtResource( 5 )]
-position = Vector2( 160, 0 )
-scroll_velocity = Vector2( 0, 0 )
-
-[node name="Press2" parent="." instance=ExtResource( 5 )]
-position = Vector2( 3120, 0 )
-
-[node name="Press3" parent="." instance=ExtResource( 5 )]
-position = Vector2( 3280, 0 )
-subbeat_offset = 3
-
-[node name="Press4" parent="." instance=ExtResource( 5 )]
-position = Vector2( 3440, 0 )
-subbeat_offset = 6
-
-[node name="Press5" parent="." instance=ExtResource( 5 )]
-position = Vector2( 3600, 0 )
-subbeat_offset = 9

Scenes/Obstacles/ScrollingBlock.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=4 format=2]
 
-[ext_resource path="res://Sprites/scrolling_block.png" type="Texture" id=1]
+[ext_resource path="res://Sprites/crate.png" type="Texture" id=1]
 [ext_resource path="res://Scripts/Obstacles/ScrollingBlock.gd" type="Script" id=2]
 
 [sub_resource type="RectangleShape2D" id=1]

Scenes/Obstacles/ScrollingPipe.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Scripts/Obstacles/ScrollingBlock.gd" type="Script" id=2]
+
+[node name="ScrollingPipe" type="KinematicBody2D"]
+collision_layer = 8
+collision_mask = 2
+motion/sync_to_physics = true
+script = ExtResource( 2 )

Scenes/Obstacles/ScrollingPipesTileMap.tscn

@@ -0,0 +1,12 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://Tilesets/Pipes.tres" type="TileSet" id=1]
+
+[node name="TileMap" type="TileMap"]
+tile_set = ExtResource( 1 )
+cell_size = Vector2( 40, 40 )
+cell_quadrant_size = 40
+collision_use_kinematic = true
+collision_layer = 8
+collision_mask = 2
+format = 1

Scripts/ConveyorBelt.gd

@@ -3,10 +3,23 @@ class_name ConveyorBelt
 
 
 # Speed (and direction) of the conveyor belt
-export(float) var conveyor_speed = 0
+export(float) var cb_speed = 100 setget set_cb_speed, get_cb_speed
+export(bool) var randomize_gear_starting_position = false
+
+func set_cb_speed(value):
+	cb_speed = value
+	$Gears.set_cb_speed(value)
+
+func get_cb_speed():
+	return cb_speed
 
 
-func get_conveyor_speed(other_pos: Vector2):
+func _ready():
+	$Gears.set_randomize_start_position(randomize_gear_starting_position)
+	$Gears.set_cb_speed(cb_speed)
+
+
+func get_relative_cb_speed(other_pos: Vector2):
 	var relative_position = other_pos - position
 	var speed_sign = sign(relative_position.dot(Vector2.UP.rotated(rotation)))
-	return speed_sign * conveyor_speed
+	return speed_sign * cb_speed

Scripts/Player.gd

@@ -56,8 +56,8 @@ func _physics_process(delta):
 	
 	if is_on_floor():
 		var current_floor = get_floor()
-		if current_floor.has_method("get_conveyor_speed"):
+		if current_floor.has_method("get_relative_cb_speed"):
-			movement += floor_normal.rotated(- PI / 2) * current_floor.get_conveyor_speed(position)
+			movement += floor_normal.rotated(- PI / 2) * current_floor.get_relative_cb_speed(position)
 	
 	if Input.is_action_pressed("plr_left"):
 		movement += Vector2.LEFT * move_speed