note instantiating fixes, hold note rendering experimentation

Things/HitLine.tscn

@@ -0,0 +1,71 @@
+[gd_scene load_steps=4 format=3 uid="uid://cyetvgmwnoy8l"]
+
+[ext_resource type="Texture2D" uid="uid://dkohutwp0yujj" path="res://_Assets/Textures/HitLine/BGLine.png" id="1_w0gbp"]
+
+[sub_resource type="Gradient" id="Gradient_djnn4"]
+offsets = PackedFloat32Array(0, 0.380682, 1)
+colors = PackedColorArray(0, 0, 0, 0.368627, 0, 0, 0, 0.368627, 0, 0, 0, 0.0980392)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_kn5i7"]
+gradient = SubResource("Gradient_djnn4")
+width = 2048
+
+[node name="Background" type="Control"]
+custom_minimum_size = Vector2(1920, 1920)
+layout_mode = 3
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_top = -32.0
+grow_vertical = 0
+
+[node name="Shadow" type="TextureRect" parent="."]
+custom_minimum_size = Vector2(1920, 1920)
+layout_mode = 1
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_right = 1920.0
+offset_bottom = 1920.0
+grow_vertical = 0
+rotation = -1.5708
+texture = SubResource("GradientTexture1D_kn5i7")
+expand_mode = 1
+
+[node name="HitLine" type="Control" parent="."]
+custom_minimum_size = Vector2(1920, 32)
+layout_mode = 1
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_top = -32.0
+offset_right = 1920.0
+grow_vertical = 0
+
+[node name="Reverse" type="Control" parent="HitLine"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Line" type="TextureRect" parent="HitLine/Reverse"]
+layout_mode = 1
+anchors_preset = -1
+anchor_right = 0.5
+anchor_bottom = 1.0
+grow_vertical = 2
+texture = ExtResource("1_w0gbp")
+expand_mode = 1
+
+[node name="Line2" type="TextureRect" parent="HitLine/Reverse"]
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 0.5
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 0
+texture = ExtResource("1_w0gbp")
+expand_mode = 1