refactor structure

scenes/match3/tile.gd

@@ -0,0 +1,33 @@
+extends Node2D
+
+@export var tile_type: int = 0
+var grid_position: Vector2i
+
+@onready var sprite: Sprite2D = $Sprite2D
+
+# Target size for each tile to fit in the 64x64 grid cells
+const TILE_SIZE = 48  # Slightly smaller than 64 to leave some padding
+
+var tile_textures = [
+	preload("res://assets/sprites/gems/bg_19.png"),
+	preload("res://assets/sprites/gems/dg_19.png"),
+	preload("res://assets/sprites/gems/gg_19.png"),
+	preload("res://assets/sprites/gems/mg_19.png"),
+]
+
+func _set_tile_type(value: int) -> void:
+	tile_type = value
+	if value >= 0 and value < tile_textures.size():
+		sprite.texture = tile_textures[value]
+		_scale_sprite_to_fit()
+
+func _scale_sprite_to_fit() -> void:
+	if sprite.texture:
+		var texture_size = sprite.texture.get_size()
+		var max_dimension = max(texture_size.x, texture_size.y)
+		var scale_factor = TILE_SIZE / max_dimension
+		sprite.scale = Vector2(scale_factor, scale_factor)
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	_set_tile_type(tile_type)