From b56d44bbd29f4f848783536659221f50cae58917 Mon Sep 17 00:00:00 2001
From: Willem Melching <willem.melching@gmail.com>
Date: Wed, 6 Jan 2021 11:25:37 +0100
Subject: [PATCH] dont show speed below zero

old-commit-hash: d8e864e33d08c60e9740d7433067382128962f92
---
 selfdrive/ui/paint.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/selfdrive/ui/paint.cc b/selfdrive/ui/paint.cc
index 56738bf404..d1a3bd2615 100644
--- a/selfdrive/ui/paint.cc
+++ b/selfdrive/ui/paint.cc
@@ -306,7 +306,7 @@ static void ui_draw_vision_maxspeed(UIState *s) {
 }
 
 static void ui_draw_vision_speed(UIState *s) {
-  const float speed = s->scene.controls_state.getVEgo() * (s->is_metric ? 3.6 : 2.2369363);
+  const float speed = std::max(0.0, s->scene.controls_state.getVEgo() * (s->is_metric ? 3.6 : 2.2369363));
   const std::string speed_str = std::to_string((int)std::nearbyint(speed));
   nvgTextAlign(s->vg, NVG_ALIGN_CENTER | NVG_ALIGN_BASELINE);
   ui_draw_text(s->vg, s->scene.viz_rect.centerX(), 240, speed_str.c_str(), 96 * 2.5, COLOR_WHITE, s->font_sans_bold);