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Stop the game when the screen is not active

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Hajime Hoshi 2015-02-21 22:19:03 +09:00
parent f2a496b6ad
commit 5e5eea59ce
1 changed files with 5 additions and 0 deletions
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5
run.go
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@ -42,6 +42,7 @@ func CurrentFPS() float64 {
//
// The given function f is guaranteed to be called 60 times a second
// even if a rendering frame is skipped.
// f is not called when the screen is not shown.
func Run(f func(*Image) error, width, height, scale int, title string) error {
runContext.running = true
defer func() {
@ -95,6 +96,10 @@ func Run(f func(*Image) error, width, height, scale int, title string) error {
return nil
}
now := ui.Now()
// If gameTime is too old, we assume that screen is not shown.
if int64(5*time.Second/60) < now-gameTime {
gameTime = now
}
for gameTime < now {
gameTime += int64(time.Second / 60)