Round speed to nearest tenth

This fixes some problems with floating point rounding errors.
Beyley · Oct 24, 2023 · e0249e9 · e0249e9
1 parent 624247f
commit e0249e9
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/game/screens/gameplay.zig b/game/screens/gameplay.zig
@@ -1339,7 +1339,7 @@ fn drawScoreUi(render_state: Screen.RenderState, data: *GameplayData) !void {
         },
     };
 
-    //Get the accuracy timer in seconds, note we divide in 2 stagets to help remove floating point inaccuracies
+    //Get the accuracy timer in seconds, note we divide in 2 stages to help remove floating point inaccuracies
     var accuracy_text_timer = @as(f32, @floatFromInt(data.animation_timers.accuracy_text.read() / std.time.ns_per_ms)) / std.time.ms_per_s;
 
     var accuracy_text_offset: f32 = 0;

diff --git a/game/screens/song_select.zig b/game/screens/song_select.zig
@@ -131,6 +131,8 @@ pub fn keyDown(self: *Screen, key: c.SDL_Keysym) anyerror!void {
             } else if (data.challenge_info.speed < 4) {
                 data.challenge_info.speed += 0.5;
             }
+            //Round to nearest tenth to prevent floating pointrounding errors
+            data.challenge_info.speed = @round(data.challenge_info.speed * 10.0) / 10.0;
         },
         //Speed down
         c.SDLK_COMMA => {
@@ -141,6 +143,8 @@ pub fn keyDown(self: *Screen, key: c.SDL_Keysym) anyerror!void {
             } else if (data.challenge_info.speed > 0.5) {
                 data.challenge_info.speed -= 0.1;
             }
+            //Round to nearest tenth to prevent floating point rounding errors
+            data.challenge_info.speed = @round(data.challenge_info.speed * 10.0) / 10.0;
         },
         //Key down
         c.SDLK_MINUS => {