branch rotated + optimization

entities/plants/scripts/texture_builder/plant_part.gd

@@ -4,12 +4,14 @@ class_name PlantPart
 enum PartType {BASE_PART, BRANCH_PART, LEAF_PART, FLOWER_PART}
 
 @export var texture: Texture
+@export var image: Image
 @export var type: PartType
 @export var root: PlantAttach
 @export var attaches: Array[PlantAttach] # array of vec2
 
 func init(textute_arg: Texture, type_arg: PartType, root_arg: PlantAttach, attaches_arg: Array[PlantAttach]) -> void:
     texture = textute_arg
+    image = texture.get_image()
     type = type_arg
     root = root_arg
     attaches = attaches_arg