add bone flattener

scripts/effects/discrete_animation_player.gd

@@ -0,0 +1,17 @@
+## https://forum.godotengine.org/t/how-to-set-all-3d-animation-tracks-to-nearest-interpolation/22056/4
+@tool
+extends AnimationPlayer
+
+
+func _ready() -> void:
+	interpolation_change()
+
+
+func interpolation_change() -> void:
+	for animation in get_animation_list():
+		var anim_track_1: Animation = get_animation(animation)
+		var count: int = anim_track_1.get_track_count()
+		for i in count:
+			anim_track_1.track_set_interpolation_type(
+				i, Animation.INTERPOLATION_NEAREST
+			)