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ui: Refactoring: rename variables

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This commit is contained in:
Hajime Hoshi 2016-02-28 02:16:57 +09:00
parent fc200ec6f2
commit 8132264a88
1 changed files with 17 additions and 15 deletions
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32
run.go
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@ -60,8 +60,9 @@ func Run(f func(*Image) error, width, height, scale int, title string) error {
}
frames := 0
gameTime := ui.Now()
before := ui.Now()
now := ui.Now()
beforeForUpdate := now
beforeForFPS := now
for {
// TODO: setSize should be called after swapping buffers?
if 0 < runContext.newScreenWidth || 0 < runContext.newScreenHeight || 0 < runContext.newScreenScale {
@ -92,25 +93,26 @@ 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
}
c := int((now - gameTime) * 60 / int64(time.Second))
for i := 0; i < c; i++ {
if err := graphicsContext.update(f); err != nil {
return err
// If beforeForUpdate is too old, we assume that screen is not shown.
if int64(5*time.Second/60) < now-beforeForUpdate {
beforeForUpdate = now
} else {
c := int((now - beforeForUpdate) * 60 / int64(time.Second))
for i := 0; i < c; i++ {
if err := graphicsContext.update(f); err != nil {
return err
}
}
beforeForUpdate += int64(c) * int64(time.Second/60)
ui.SwapBuffers()
}
gameTime += int64(c) * int64(time.Second/60)
ui.SwapBuffers()
// Calc the current FPS.
now = ui.Now()
frames++
if time.Second <= time.Duration(now-before) {
runContext.fps = float64(frames) * float64(time.Second) / float64(now-before)
before = now
if time.Second <= time.Duration(now-beforeForFPS) {
runContext.fps = float64(frames) * float64(time.Second) / float64(now-beforeForFPS)
beforeForFPS = now
frames = 0
}
}