From afc7b4a3b919f6ab75e0e9bd346654afc3b2167f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Oudin?= <oudin@crans.org>
Date: Tue, 13 Feb 2018 12:46:47 +0100
Subject: [PATCH] reduction of speed on x and z axis

---
 Ball.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Ball.cpp b/Ball.cpp
index 9cef020..5e431b0 100644
--- a/Ball.cpp
+++ b/Ball.cpp
@@ -33,6 +33,8 @@ void Ball::_compute_pos(double dt) {
         double n_time = crt_time - stop_bouncing;
         Center.y = ((radius * (1.0 - exp(-n_time)) + radius)/2.) + (radius -
                 ((radius * (1- exp(-n_time)) + radius)/2.)) * sin(5. * n_time);
+        v_x *= 0.99;
+        v_z *= 0.99;
     }
     Center.x += dt * v_x;
     Center.z += dt * v_z;