From 5c25d3d8ae7ccaa0476f88f1dfdb782c130b6f4e Mon Sep 17 00:00:00 2001
From: Gene Pasquet <dev@etenil.net>
Date: Wed, 22 May 2024 11:33:09 +0100
Subject: Lightweight reset, little adjustements

---
 TODO.org           | 24 ++++++------------------
 turbo.scm          | 14 +++++++++++---
 turbo/vehicles.scm |  2 +-
 3 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/TODO.org b/TODO.org
index c70be0b..ff2b60d 100644
--- a/TODO.org
+++ b/TODO.org
@@ -1,27 +1,15 @@
 * Stuff left to do
 
 ** DONE Detect when player leaves the road
-** TODO Add non-player cars onto the road
+** DONE Add non-player cars onto the road
 *** DONE Add constant van on one lane
 *** DONE Put van on random lane
 *** DONE Add multiple vehicles on different lanes
-*** TODO Ensure vehicles don't overlap
-
-Possible algorithm:
-
-#+begin_src
-when car goes off-screen
-go through all lanes
-if lane has space, roll a die
-if lucky
-    pick an inactive car
-    activate that car on the lane
-#+end_src
-
-What happens if there are no cars on screen!?
- => Force it?
-
-** TODO Detect collision with other vehicles
+*** DONE Ensure vehicles don't overlap
+** DONE Detect collision with other vehicles
+** TODO Make cars in different lanes drive at different speeds
+** TODO Add restart option
+** TODO Display level on screen
 ** TODO Add weapon to player car
 *** TODO Make weapon a power-up
 *** TODO Make weapon use limited (bullet? time?)
diff --git a/turbo.scm b/turbo.scm
index 91d098f..15cae62 100644
--- a/turbo.scm
+++ b/turbo.scm
@@ -31,7 +31,9 @@
 (define player-max-speed 20)
 (define player-rotation 0)
 
-(define music-play? #f)
+(define level-difficulty 200)
+
+(define music-play? #t)
 (define music-res (load-audio "music.ogg"))
 (define music (make-source #:audio music-res #:loop? #t))
 
@@ -184,7 +186,7 @@
 					     (+ 1 (random road-num-lanes))))
 		 (set-vehicle-active! veh #f))
 	       (if (and (not (vehicle-active? veh))
-			(= 0 (random 200))
+			(= 0 (random level-difficulty))
 			(vehicle-has-spawn-space? veh))
 		   (set-vehicle-active! veh #t))))
 	 vehicles))))
@@ -225,7 +227,13 @@
    ((eq? key 'd)
        (set-vehicle-speed! player-car (min (+ (vehicle-speed player-car) 1) player-max-speed)))
    ((eq? key 'escape)
-       (abort-game))))
+       (abort-game))
+   ((and (eq? key 'return) game-over)
+    (set-vehicle-position! player-car initial-player-position)
+    (set-vehicle-speed! player-car (+ 1 player-min-speed))
+    (set! player-rotation 0)
+    ;; Reset all vehicles
+    (set! game-over #f))))
 
 (define (key-release key modifiers)
   (if (or (eq? key 'w) (eq? key 's))
diff --git a/turbo/vehicles.scm b/turbo/vehicles.scm
index 7bc1421..62b6a02 100644
--- a/turbo/vehicles.scm
+++ b/turbo/vehicles.scm
@@ -45,7 +45,7 @@
   (let ((vehicle1-x (vec2-x (vehicle-position vehicle1)))
 	(vehicle2-x (vec2-x (vehicle-position vehicle2))))
     (> vehicle2-x
-       (+ (* 2 vehicle-length)
+       (+ (* 3 vehicle-length)
 	  vehicle1-x))))
 
 (define (vehicle-speed-diff vehicle1 vehicle2)
-- 
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