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examples/keyboard: Use inpututil functions in Update rather than Draw

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This is not a strict rule, but it is preferrable to use input functions
in Update rather than Draw.
This commit is contained in:
Hajime Hoshi 2021-04-07 01:54:47 +09:00
parent 0fcf5c8470
commit 0300be7d9e
1 changed files with 4 additions and 3 deletions
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7
examples/keyboard/main.go
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@ -47,9 +47,11 @@ func init() {
} }
type Game struct { type Game struct {
keys []ebiten.Key
} }
func (g *Game) Update() error { func (g *Game) Update() error {
g.keys = inpututil.PressedKeys()
return nil return nil
} }
@ -67,8 +69,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
// Draw the highlighted keys. // Draw the highlighted keys.
op = &ebiten.DrawImageOptions{} op = &ebiten.DrawImageOptions{}
keys := inpututil.PressedKeys() for _, p := range g.keys {
for _, p := range keys {
op.GeoM.Reset() op.GeoM.Reset()
r, ok := keyboard.KeyRect(p) r, ok := keyboard.KeyRect(p)
if !ok { if !ok {
@ -80,7 +81,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
} }
keyStrs := []string{} keyStrs := []string{}
for _, p := range keys { for _, p := range g.keys {
keyStrs = append(keyStrs, p.String()) keyStrs = append(keyStrs, p.String())
} }
ebitenutil.DebugPrint(screen, strings.Join(keyStrs, ", ")) ebitenutil.DebugPrint(screen, strings.Join(keyStrs, ", "))