From 098033bbbf71f3c3bd8f851d1d3360c168a375ae Mon Sep 17 00:00:00 2001
From: KingGurke <Kukumberia@gmail.com>
Date: Sun, 1 Oct 2023 11:26:52 +0200
Subject: [PATCH] Added a (shrinking) finish line, and ensured maximum
 smoothness of the track at finish

---
 src/game/level.gd    | 18 ++++++++++++++++++
 src/game/level1.tscn | 11 +++++++++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/game/level.gd b/src/game/level.gd
index 8cdbf82..da41ae5 100644
--- a/src/game/level.gd
+++ b/src/game/level.gd
@@ -18,18 +18,33 @@ extends Node2D
 @export var line: Line2D
 ## reference to the player node
 @export var player: StaticBody2D
+## reference to the line node used to draw the finish line
+@export var finish: Line2D
 
 #variables
 var width
 var running = true
 var last_offset = 0.
 var lap_distance = 0.
+var start
+var finish_right
+var finish_left
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	width = starting_width
+	var start_out = path.curve.get_point_out(0)
+	path.curve.set_point_in(path.curve.point_count - 1, path.curve.get_point_in(0))
+	path.curve.set_point_out(path.curve.point_count - 1, start_out)
 	line.set_width(width)
 	line.set_points(path.curve.get_baked_points())
+	start = path.curve.get_point_position(0)
+	finish_right = start_out.normalized().rotated(deg_to_rad(90)) * width/2
+	finish_left = start_out.normalized().rotated(deg_to_rad(-90)) * width/2
+	finish.add_point(start + finish_right)
+	finish.add_point(start + finish_left)
+#	print_debug("start: ", start, "start out: ", start_out.normalized(), " finish left: ", start + start_out.normalized().rotated(90) * width/2, "start right: ", start + start_out.normalized().rotated(-90) * width/2)
+	finish.width = 20
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
@@ -39,6 +54,7 @@ func _process(delta):
 		width -= shrink_factor * delta
 		update_line()
 		
+		
 		# checking whether the player is still on the track
 		var p_pos = player.position
 		var closest = path.curve.get_closest_point(p_pos)
@@ -68,6 +84,8 @@ func _process(delta):
 
 func update_line():
 	line.set_width(width)
+	finish.points[0] = start + finish_right.normalized() * width/2
+	finish.points[1] = start + finish_left.normalized() * width/2
 
 func get_total_distance():
 	return lap_distance + last_offset
diff --git a/src/game/level1.tscn b/src/game/level1.tscn
index 4b5a7bc..d4a52a9 100644
--- a/src/game/level1.tscn
+++ b/src/game/level1.tscn
@@ -1,8 +1,9 @@
-[gd_scene load_steps=5 format=3 uid="uid://c77xk0mywwt5f"]
+[gd_scene load_steps=6 format=3 uid="uid://c77xk0mywwt5f"]
 
 [ext_resource type="Script" path="res://src/game/level.gd" id="1_hv75i"]
 [ext_resource type="PackedScene" uid="uid://ckau5s2tsb3oc" path="res://src/game/player.tscn" id="2_5nf51"]
 [ext_resource type="Texture2D" uid="uid://bd0jqkgq1gh7p" path="res://assets/track.png" id="2_knecs"]
+[ext_resource type="Texture2D" uid="uid://cd7bqj3v0k8yi" path="res://assets/finish.png" id="4_r6pvu"]
 
 [sub_resource type="Curve2D" id="Curve2D_ll8bj"]
 _data = {
@@ -10,13 +11,14 @@ _data = {
 }
 point_count = 7
 
-[node name="level1" type="Node2D" node_paths=PackedStringArray("path", "line", "player")]
+[node name="level1" type="Node2D" node_paths=PackedStringArray("path", "line", "player", "finish")]
 script = ExtResource("1_hv75i")
 starting_width = 400.0
 shrink_factor = 5.0
 path = NodePath("TrackPath")
 line = NodePath("TrackLine")
 player = NodePath("player")
+finish = NodePath("FinishLine")
 
 [node name="TrackPath" type="Path2D" parent="."]
 curve = SubResource("Curve2D_ll8bj")
@@ -26,6 +28,11 @@ texture_repeat = 2
 texture = ExtResource("2_knecs")
 texture_mode = 2
 
+[node name="FinishLine" type="Line2D" parent="."]
+texture_repeat = 2
+texture = ExtResource("4_r6pvu")
+texture_mode = 1
+
 [node name="player" parent="." instance=ExtResource("2_5nf51")]
 position = Vector2(42.7545, -14.9219)
 brake_strength = 800.0