Minore rename of Materials to materials_map

scenes/blocks/block.gd

@@ -7,7 +7,7 @@ enum Types {
 	STONE,
 }
 
-const Materials: Dictionary[Types, StandardMaterial3D] = {
+var materials_map: Dictionary[Types, StandardMaterial3D] = {
 	Types.DIRT: preload("res://assets/materials/dirt.tres"),
 	Types.STONE: preload("res://assets/materials/stone.tres"),
 }
@@ -23,7 +23,7 @@ func _ready() -> void:
 
 
 func apply_material() -> void:
-	material = Materials[type]
+	material = materials_map[type]
 
 func _apply_materials() -> void:
 	for face: MeshInstance3D in block_faces.get_children():