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examples/typewriter: Enable backspace

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This commit is contained in:
Hajime Hoshi 2017-11-10 01:27:43 +09:00
parent cea9bd5a19
commit cd70bc039b
1 changed files with 10 additions and 2 deletions
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8
examples/typewriter/main.go
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@ -27,6 +27,7 @@ import (
var ( var (
text = "Type on the keyboard:\n" text = "Type on the keyboard:\n"
counter = 0 counter = 0
bsPrevPressed = false
) )
func update(screen *ebiten.Image) error { func update(screen *ebiten.Image) error {
@ -38,6 +39,13 @@ func update(screen *ebiten.Image) error {
if ebiten.IsKeyPressed(ebiten.KeyEnter) && !strings.HasSuffix(text, "\n") { if ebiten.IsKeyPressed(ebiten.KeyEnter) && !strings.HasSuffix(text, "\n") {
text += "\n" text += "\n"
} }
bsPressed := ebiten.IsKeyPressed(ebiten.KeyBackspace)
if !bsPrevPressed && bsPressed {
if len(text) >= 1 {
text = text[:len(text)-1]
}
}
bsPrevPressed = bsPressed
counter++ counter++