From 1763cc34548b341e356049b5d01a9e69bd87a74b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <tastyfish@seznam.cz>
Date: Thu, 20 Jun 2019 15:43:19 +0200
Subject: [PATCH] Start camera control (city)

---
 programs/city.c | 7 +++++--
 todo.txt        | 3 ---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/programs/city.c b/programs/city.c
index 65fad09..79240e3 100644
--- a/programs/city.c
+++ b/programs/city.c
@@ -318,11 +318,14 @@ int main()
     else
       velocity = S3L_min(0,velocity + stepFriction * friction);
 
+    S3L_Unit cameraDistance =
+      S3L_FRACTIONS_PER_UNIT / 2 + (S3L_abs(velocity) * (S3L_FRACTIONS_PER_UNIT / 2) / MAX_VELOCITY);
+
     scene.camera.transform.translation.x =
-      scene.models[1].transform.translation.x - carDirection.x;
+      scene.models[1].transform.translation.x - (carDirection.x * cameraDistance) / S3L_FRACTIONS_PER_UNIT;
 
     scene.camera.transform.translation.z =
-      scene.models[1].transform.translation.z - carDirection.z;
+      scene.models[1].transform.translation.z - (carDirection.z * cameraDistance) / S3L_FRACTIONS_PER_UNIT;
 
     scene.camera.transform.rotation.y = models[1].transform.rotation.y;
 
diff --git a/todo.txt b/todo.txt
index c4faaf5..5b1fd9d 100644
--- a/todo.txt
+++ b/todo.txt
@@ -27,9 +27,6 @@ features:
   interpolation -- it will randomly picky one of three values, with greater
   probabilities at greater coords
 
-- change the default backface culling to the other one (and edit the obj tool
-  accordingly)
-
 - option to disable baycentric coordinates computing    DONE
 
 - Z-buffer: