plusieurs amélioration mineure du gameplay et de la qualité de vie

entities/plants/scripts/plant_sprite.gd

@@ -10,6 +10,7 @@ func apply_texture_to_sprite(texture, with_animation = true):
 		$AnimationPlayer.play("bump")
 		await $AnimationPlayer.animation_finished
 	sprite.texture = texture
+	sprite.flip_h = true if randi()%2 == 0 else false
 
 func start_harvest_animation():
 	$AnimationPlayer.play("harvest")