Added AbstractPlatform

game/platform/abstract_platform.gd

@@ -0,0 +1,41 @@
+@tool
+class_name AbstractPlatform
+extends Node2D
+
+
+const TILE_SIZE = 8
+const MIN_WIDTH = TILE_SIZE * 2
+const MAX_WIDTH = TILE_SIZE * 32
+
+
+@export_range(MIN_WIDTH, MAX_WIDTH, TILE_SIZE) var platform_width: int = MIN_WIDTH:
+	set(value):
+		value = clampi(value, MIN_WIDTH, MAX_WIDTH)
+		platform_width = value - (value % TILE_SIZE)
+		if is_node_ready():
+			rebuild_platform()
+
+
+@onready var collision: CollisionShape2D = $AnimatableBody2D/CollisionShape2D
+@onready var platform_sprite: Sprite2D = $PlatformSprite
+@onready var icon_sprite: AnimatedSprite2D = $IconSprite
+
+
+func _ready() -> void:
+	platform_sprite.material.set_shader_parameter("tile_size", TILE_SIZE)
+	rebuild_platform()
+
+
+func rebuild_platform() -> void:
+	var shape := collision.shape as RectangleShape2D
+	if not shape:
+		shape = RectangleShape2D.new()
+		collision.shape = shape
+	shape.size = Vector2(platform_width, TILE_SIZE)
+	
+	platform_sprite.material.set_shader_parameter("platform_width", platform_width)
+
+
+func _physics_process(_delta: float) -> void:
+	if Engine.is_editor_hint():
+		return