From 3d24ffe3e03cedb6f4cc159b5c9b8ab19cc1e0a9 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Mon, 3 Sep 2018 00:35:07 +0900
Subject: [PATCH] clock: Bug fix: function registerd OnStart might not be
 called

Fixes #645
---
 internal/clock/clock.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/internal/clock/clock.go b/internal/clock/clock.go
index f36b7a508..90df4a7e1 100644
--- a/internal/clock/clock.go
+++ b/internal/clock/clock.go
@@ -30,8 +30,8 @@ var (
 	fpsCount    = 0
 	tpsCount    = 0
 
-	started bool
-	onStart func()
+	onStartCalled bool
+	onStart       func()
 
 	m sync.Mutex
 )
@@ -132,11 +132,11 @@ func Update(tps int) int {
 	m.Lock()
 	defer m.Unlock()
 
-	if !started {
+	if !onStartCalled {
 		if onStart != nil {
 			onStart()
+			onStartCalled = true
 		}
-		started = true
 	}
 
 	n := now()