diff --git a/README.md b/README.md
index 36c3087..4ed099d 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,11 @@ It works by instantiating an `Area2D` node with a polygon collision shape, and c
 also be mildly modified to draw level geometry dynamically.
 
 In either case, the challenge is taming an otherwise automatic system.
-Objects move on their own. You only control the pencil.
+Objects move on their own. You only control the ~~pencil~~ pen.
 
-## Current questions
-* Should it be about capturing only the correct game entities?
-* Should it be about drawing level geometry to guide game entities to a goal?
-
-## Current definites
-* Doodles-in-the-margins lined paper aesthetic
-* 2px outlines, simple colors
-* Can likely use shaders to make it appear slightly sketchy and animated
+# TODO:
+* swap pencil out for pen
+* add grouping code
+* multipliers for combos
+* penalties for not-combos
+* ignore all erroneous gestures, gesture recognition is probably my fault
diff --git a/assets/sprites/monster-programmer.png b/assets/sprites/monster-programmer.png
index 4ff3b28..5aeaf23 100644
Binary files a/assets/sprites/monster-programmer.png and b/assets/sprites/monster-programmer.png differ
diff --git a/assets/sprites/monster-programmer.xcf b/assets/sprites/monster-programmer.xcf
index 3a5325e..4d5f649 100644
Binary files a/assets/sprites/monster-programmer.xcf and b/assets/sprites/monster-programmer.xcf differ
diff --git a/assets/textures/lined-paper-margin.png b/assets/textures/lined-paper-margin.png
index 94c1db1..e8fee36 100644
Binary files a/assets/textures/lined-paper-margin.png and b/assets/textures/lined-paper-margin.png differ
diff --git a/assets/textures/lined-paper.png b/assets/textures/lined-paper.png
index 77d0101..65d32bd 100644
Binary files a/assets/textures/lined-paper.png and b/assets/textures/lined-paper.png differ
diff --git a/scenes/debug/MouseFling.tscn b/scenes/debug/MouseFling.tscn
deleted file mode 100644
index 1de0774..0000000
--- a/scenes/debug/MouseFling.tscn
+++ /dev/null
@@ -1,3 +0,0 @@
-[gd_scene format=3 uid="uid://cp2qdqu5ti42c"]
-
-[node name="MouseFling" type="Node2D"]
diff --git a/scenes/debug/MouseLoop.gd b/scenes/debug/MouseLoop.gd
index cdb5dce..f80f8db 100644
--- a/scenes/debug/MouseLoop.gd
+++ b/scenes/debug/MouseLoop.gd
@@ -1,35 +1,37 @@
 extends Node2D
 
 @onready var CURSOR = $Cursor
+var is_drawing : bool = false
 
 func _ready() -> void:
 	for x in range(64, get_viewport_rect().size.x, 96):
 		for y in range(64, get_viewport_rect().size.y, 96):
 			var c = Globals.SCENE_COLLECTABLE.instantiate()
 			c.global_position = Vector2(x, y)
-			if randf() < .2:
-				c.is_bad = true
+			c.type = randi() % 2
 			add_child(c)
 	$Camera2D.position = get_viewport_rect().size / 2
 
-func _draw() -> void:
-	var trail = CURSOR.get_tail(Globals.HISTORY_LENGTH)
-	
-	if trail.size() <= 0:
-		return
-	
-	for i in range(trail.size() - 1):
-		var color
-		if trail.size() > Globals.HISTORY_LENGTH * .66:
-			color = Color(.5,0,0,1)
-		elif trail.size() > Globals.HISTORY_LENGTH * .33:
-			color = Color(.5,.5,0,1)
-		else:
-			color = Color(0,.5,0,1)
-		draw_line(trail[i], trail[i + 1], color , Globals.LINE_THICC, false)
+#func _draw() -> void:
+	#var trail = CURSOR.get_tail(Globals.HISTORY_LENGTH)
+	#
+	#if trail.size() <= 0:
+		#return
+	#
+	#for i in range(trail.size() - 1):
+		#var color
+		#if trail.size() > Globals.HISTORY_LENGTH * .66:
+			#color = Color(.5,0,0,1)
+		#elif trail.size() > Globals.HISTORY_LENGTH * .33:
+			#color = Color(.5,.5,0,1)
+		#else:
+			#color = Color(0,.5,0,1)
+		#draw_line(trail[i], trail[i + 1], color , Globals.LINE_THICC, false)
 
 func _process(delta: float) -> void:
-	queue_redraw()
+	if is_drawing:
+		var trail = CURSOR.get_tail(Globals.HISTORY_LENGTH)
+		$LineProgress/InkWell.points = PackedVector2Array(trail)
 	
 	while CURSOR.loop_stack.size() > 0:
 		var loop = CURSOR.loop_stack.pop_back()
@@ -37,22 +39,19 @@ func _process(delta: float) -> void:
 
 func create_loop_object(loop:Array):
 	var scene = Globals.SCENE_LOOP.instantiate()
-	var polygon_collider = scene.get_node("PolygonCollision") as CollisionPolygon2D
-	polygon_collider.polygon = PackedVector2Array(loop)
+	scene.points = loop
+	if Geometry2D.decompose_polygon_in_convex(PackedVector2Array(loop)).size() == 0:
+		scene.is_error = true
 	add_child(scene)
 	await get_tree().create_timer(.2).timeout
 	var contents = scene.get_contained_nodes()
-	get_tree().queue_delete(scene)
 	print(contents)
 	var collectables = get_tree().get_nodes_in_group("collectable")
 	for i in contents:
 		if not (i in collectables):
 			continue
-		if i.is_bad:
-			print("ouch")
-			i.remove()
-		else:
-			i.remove()
+		# TODO: color matching logic
+		i.remove()
 
 func _on_cursor_started_drawing(pos:Vector2) -> void:
 	print("started drawing")
@@ -61,6 +60,8 @@ func _on_cursor_started_drawing(pos:Vector2) -> void:
 	t.tween_property(Engine, "time_scale", 0.2, .2)
 	$StartMarker.global_position = pos
 	$StartMarker.visible = true
+	$LineProgress.visible = true
+	is_drawing = true
 
 func _on_cursor_stopped_drawing() -> void:
 	print("stopped drawing")
@@ -68,3 +69,5 @@ func _on_cursor_stopped_drawing() -> void:
 	var t = get_tree().create_tween()
 	t.tween_property(Engine, "time_scale", 1.0, .2)
 	$StartMarker.visible = false
+	$LineProgress.visible = false
+	is_drawing = false
diff --git a/scenes/debug/MouseLoop.tscn b/scenes/debug/MouseLoop.tscn
index 2ecff21..dd58be8 100644
--- a/scenes/debug/MouseLoop.tscn
+++ b/scenes/debug/MouseLoop.tscn
@@ -1,9 +1,10 @@
-[gd_scene load_steps=9 format=3 uid="uid://d1bduqxqx10jb"]
+[gd_scene load_steps=10 format=3 uid="uid://d1bduqxqx10jb"]
 
 [ext_resource type="Script" uid="uid://b1ddnopgn4scy" path="res://scenes/debug/MouseLoop.gd" id="1_x04i4"]
 [ext_resource type="PackedScene" uid="uid://byipv4uqxdtfk" path="res://scenes/objects/Cursor.tscn" id="3_aaj44"]
 [ext_resource type="Texture2D" uid="uid://c7en2ehk2mvk0" path="res://assets/textures/lined-paper.png" id="3_u4ca0"]
 [ext_resource type="PackedScene" uid="uid://dnr505je252gd" path="res://scenes/objects/StartMarker.tscn" id="4_u4ca0"]
+[ext_resource type="PackedScene" uid="uid://dnkw8qq4rm0td" path="res://scenes/objects/InkWell.tscn" id="5_olkr6"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_va2mg"]
 size = Vector2(100, 591)
@@ -59,7 +60,12 @@ stretch_mode = 1
 
 [node name="StartMarker" parent="." instance=ExtResource("4_u4ca0")]
 visible = false
+
+[node name="LineProgress" type="Node2D" parent="."]
+visible = false
 z_index = -1
 
+[node name="InkWell" parent="LineProgress" instance=ExtResource("5_olkr6")]
+
 [connection signal="started_drawing" from="Cursor" to="." method="_on_cursor_started_drawing"]
 [connection signal="stopped_drawing" from="Cursor" to="." method="_on_cursor_stopped_drawing"]
diff --git a/scenes/objects/InkWell.tscn b/scenes/objects/InkWell.tscn
new file mode 100644
index 0000000..4fdae82
--- /dev/null
+++ b/scenes/objects/InkWell.tscn
@@ -0,0 +1,19 @@
+[gd_scene load_steps=3 format=3 uid="uid://dnkw8qq4rm0td"]
+
+[sub_resource type="Curve" id="Curve_u4ca0"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.904255, 0.505618), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="Gradient" id="Gradient_olkr6"]
+offsets = PackedFloat32Array(0, 0.76, 1)
+colors = PackedColorArray(0.466186, 0.00100478, 0.617304, 1, 0.621544, 0.219829, 0.753819, 1, 0.99221, 0, 0.512235, 1)
+
+[node name="InkWell" type="Line2D"]
+z_index = 1
+width = 16.0
+width_curve = SubResource("Curve_u4ca0")
+default_color = Color(6.61798e-07, 0.260467, 2.40654e-08, 1)
+gradient = SubResource("Gradient_olkr6")
+joint_mode = 2
+begin_cap_mode = 2
+end_cap_mode = 2
diff --git a/scenes/objects/Loop.tscn b/scenes/objects/Loop.tscn
index 0d2ce1e..06627c4 100644
--- a/scenes/objects/Loop.tscn
+++ b/scenes/objects/Loop.tscn
@@ -1,10 +1,26 @@
-[gd_scene load_steps=2 format=3 uid="uid://c3qo6pmowd5en"]
+[gd_scene load_steps=5 format=3 uid="uid://c3qo6pmowd5en"]
 
 [ext_resource type="Script" uid="uid://bi2yo4l1m60iu" path="res://scenes/objects/loop.gd" id="1_vv7t2"]
+[ext_resource type="PackedScene" uid="uid://dnkw8qq4rm0td" path="res://scenes/objects/InkWell.tscn" id="2_8ki1u"]
+
+[sub_resource type="Gradient" id="Gradient_4e0vx"]
+colors = PackedColorArray(0, 1, 0.65, 1, 0, 1, 0.65, 1)
+
+[sub_resource type="Gradient" id="Gradient_8ki1u"]
+interpolation_mode = 1
+offsets = PackedFloat32Array(0)
+colors = PackedColorArray(0.835056, 0, 0.286475, 1)
 
 [node name="Loop" type="Area2D"]
 script = ExtResource("1_vv7t2")
 
 [node name="PolygonCollision" type="CollisionPolygon2D" parent="."]
 
+[node name="InkWellGood" parent="." instance=ExtResource("2_8ki1u")]
+gradient = SubResource("Gradient_4e0vx")
+
+[node name="InkWellBad" parent="." instance=ExtResource("2_8ki1u")]
+visible = false
+gradient = SubResource("Gradient_8ki1u")
+
 [connection signal="body_entered" from="." to="." method="_on_body_entered"]
diff --git a/scenes/objects/StartMarker.tscn b/scenes/objects/StartMarker.tscn
index 37d352c..c6de999 100644
--- a/scenes/objects/StartMarker.tscn
+++ b/scenes/objects/StartMarker.tscn
@@ -1,18 +1,10 @@
-[gd_scene load_steps=4 format=3 uid="uid://dnr505je252gd"]
+[gd_scene load_steps=2 format=3 uid="uid://dnr505je252gd"]
 
-[ext_resource type="Shader" uid="uid://clj5gpccox0tb" path="res://scenes/objects/StartMarker.gdshader" id="1_kpqbh"]
 [ext_resource type="Script" uid="uid://bwut7fxknsnos" path="res://scenes/objects/start_marker.gd" id="1_u6erm"]
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_3ykre"]
-shader = ExtResource("1_kpqbh")
-shader_parameter/speed = 16.0
-shader_parameter/scale = 8.0
-shader_parameter/color_a = Color(0.158472, 0.158472, 0.158472, 1)
-shader_parameter/color_b = Color(0.864675, 0.864675, 0.864675, 1)
-
 [node name="StartMarker" type="Line2D"]
-material = SubResource("ShaderMaterial_3ykre")
 points = PackedVector2Array(-64, -64, 64, -64, 64, 64, -64, 64)
 closed = true
 width = 32.0
+default_color = Color(0.466667, 0, 0.615686, 1)
 script = ExtResource("1_u6erm")
diff --git a/scenes/objects/collectable.gd b/scenes/objects/collectable.gd
index 84d538d..021b49d 100644
--- a/scenes/objects/collectable.gd
+++ b/scenes/objects/collectable.gd
@@ -1,19 +1,21 @@
 extends CharacterBody2D
 
-@export var is_bad : bool = false
+@export_enum("color", "red", "blue", "green", "black") var type : int = 3
 
 func _ready() -> void:
-	velocity = Vector2.from_angle(randf() * PI * 2) * 50
-	if is_bad:
-		modulate = Color.RED
+	velocity = Vector2.from_angle(randf() * PI * 2) * 25
+	match type:
+		0: modulate = Color.RED
+		1: modulate = Color.BLUE
+		2: modulate = Color.GREEN	
 
 func _process(delta: float) -> void:
 	var results = move_and_collide(velocity * delta, false)
 	if results != null:
 		velocity = velocity.reflect(Vector2.from_angle(results.get_angle()))
 
+func vibrate() -> void:
+	$Sprite2D.offset = Vector2((randf() - .5) * 2, (randf() - .5) * 2) * 1
+
 func remove() -> void:
-	if is_bad:
-		velocity = Vector2(0,0)
-		await get_tree().create_tween().tween_property(self, "scale", Vector2(2,2), 1.0).finished
 	get_tree().queue_delete(self)
diff --git a/scenes/objects/cursor.gd b/scenes/objects/cursor.gd
index e9ee708..f954968 100644
--- a/scenes/objects/cursor.gd
+++ b/scenes/objects/cursor.gd
@@ -15,17 +15,15 @@ func _ready() -> void:
 	global_position = get_viewport_rect().size / 2
 	
 func _process(delta: float) -> void:
-	if global_position.y < 32:
-		$IconNormal.scale.y = -1.0
-	else:
-		$IconNormal.scale.y = 1.0
-	if global_position.x > get_viewport_rect().size.x - 32:
-		$IconNormal.scale.x = -1.0
-	else:
-		$IconNormal.scale.x = 1.0
+	$IconNormal.rotation_degrees = ((get_viewport_rect().size / 2) - Vector2(-10000, -10000)).normalized().dot(Vector2.from_angle(45.))
 
 func _input(event: InputEvent) -> void:
-	if event is InputEventMouseMotion:
+	if event is InputEventMouseButton:
+		Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+	if event is InputEventKey:
+		if event.keycode == KEY_ESCAPE:
+			Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	if event is InputEventMouseMotion and Input.mouse_mode == Input.MOUSE_MODE_CAPTURED:
 		var direction = event.relative.normalized()
 		# truthfully should calibrate by mouse
 		# need a max speed for fair gameplay
@@ -38,6 +36,7 @@ func _input(event: InputEvent) -> void:
 				emit_signal("started_drawing", global_position)
 				is_drawing = true
 			push_history_stack(global_position)
+			Globals.CURRENT_LINE = positions_history
 		else:
 			if is_close_to_loop():
 				create_valid_loop()
diff --git a/scenes/objects/loop.gd b/scenes/objects/loop.gd
index 92143dd..3b895ab 100644
--- a/scenes/objects/loop.gd
+++ b/scenes/objects/loop.gd
@@ -1,22 +1,28 @@
 extends Area2D
 
-var contents : Array = []
+var contained_nodes : Array = []
+var points : Array = []
 const LINE_THICC = 6.0
 
-func _ready() -> void:
-	await get_tree().create_timer(.2).timeout
-	$PolygonCollision.disabled = true
+var is_error : bool = false
 
-func _draw() -> void:
-	draw_polyline(
-		$PolygonCollision.polygon,
-		Color.BLACK, LINE_THICC, false)
-	draw_line(
-		$PolygonCollision.polygon[0], $PolygonCollision.polygon[$PolygonCollision.polygon.size() - 1], 
-		Color.BLACK, LINE_THICC, false)
+func _ready() -> void:
+	$PolygonCollision.polygon = points
+	$InkWellGood.points = PackedVector2Array(points)
+	if is_error:
+		$InkWellBad.points = $InkWellGood.points
+		$InkWellGood.visible = false
+		$InkWellBad.visible = true
+	await get_tree().create_timer(0.2).timeout
+	self.remove()
 
 func _on_body_entered(body: Node2D) -> void:
-	contents.append(body)
+	contained_nodes.append(body)
 
 func get_contained_nodes() -> Array:
-	return contents
+	return contained_nodes
+
+func remove() -> void:
+	if is_error:
+		await get_tree().create_tween().tween_property($InkWellBad, "width", 0.0, 0.5).finished
+	get_tree().queue_delete(self)
diff --git a/scenes/objects/start_marker.gd b/scenes/objects/start_marker.gd
index 34860ed..88d7d1e 100644
--- a/scenes/objects/start_marker.gd
+++ b/scenes/objects/start_marker.gd
@@ -6,3 +6,6 @@ func _ready() -> void:
 		var a = deg_to_rad(i * 10)
 		points.append(Vector2(cos(a), -sin(a)) * ((self.width / 2.0) - Globals.SNAP_DISTANCE))
 	self.points = points
+
+func _process(delta:float) -> void:
+	scale = Vector2(1,1) * (1.0 - (float(Globals.CURRENT_LINE.size()) / float(Globals.HISTORY_LENGTH)))
diff --git a/scripts/Globals.gd b/scripts/Globals.gd
index 4569f0c..2f737ef 100644
--- a/scripts/Globals.gd
+++ b/scripts/Globals.gd
@@ -7,3 +7,4 @@ const SCENE_START_MARKER = preload("res://scenes/objects/StartMarker.tscn")
 const LINE_THICC = 4.0
 const HISTORY_LENGTH = 196
 const SNAP_DISTANCE = 32
+var CURRENT_LINE = []