From 40805e977537e31ab54c005d7737348238dbe413 Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Wed, 6 Jan 2021 23:37:10 +0100
Subject: [PATCH] Show correct speed in hud

---
 src/hud.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/hud.rs b/src/hud.rs
index 8ce8305..0b01bca 100644
--- a/src/hud.rs
+++ b/src/hud.rs
@@ -34,15 +34,17 @@ fn speed_update_system(
   rigid_body_set: Res<RigidBodySet>,
   mut text_query: Query<&mut Text, With<SpeedText>>,
   player_query: Query<&RigidBodyHandleComponent, With<PlayerMarker>>,
+  time: Res<Time>,
 ) {
   for player in player_query.iter() {
     // TODO: would be better to calculate this in a function in player somehow
     let player_body = rigid_body_set.get(player.handle());
     let player_velocity = player_body.unwrap().linvel();
-    let player_speed = Vec3::new(player_velocity.x, 0.0, player_velocity.z).length();
+    let player_velocity_2d = Vec3::new(player_velocity.x, 0.0, player_velocity.z);
+    let player_speed_2d = player_velocity_2d.length() / time.delta_seconds();
 
     for mut text in text_query.iter_mut() {
-      text.value = format!("{} m/s", player_speed);
+      text.value = format!("{:.0} m/s", player_speed_2d);
     }
   }
 }