mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-14 15:07:26 +01:00
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
// Copyright 2021 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build example
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// +build example
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package main
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import (
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"errors"
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"log"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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"github.com/hajimehoshi/ebiten/v2/inpututil"
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)
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var regularTermination = errors.New("regular termination")
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type Game struct {
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windowClosingHandled bool
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}
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func (g *Game) Update() error {
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if ebiten.IsWindowBeingClosed() {
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g.windowClosingHandled = true
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}
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if g.windowClosingHandled {
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if inpututil.IsKeyJustPressed(ebiten.KeyY) {
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return regularTermination
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}
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if inpututil.IsKeyJustPressed(ebiten.KeyN) {
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g.windowClosingHandled = false
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}
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}
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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if !g.windowClosingHandled {
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ebitenutil.DebugPrint(screen, "Try to close this window. This works only on desktops.")
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return
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}
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ebitenutil.DebugPrint(screen, "Do you really want to close this window? [y/n]")
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {
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return outsideWidth, outsideHeight
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}
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func main() {
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ebiten.SetWindowClosingHandled(true)
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ebiten.SetWindowTitle("Window Closing (Ebiten Demo)")
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if err := ebiten.RunGame(&Game{}); err != nil && !errors.Is(err, regularTermination) {
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log.Fatal(err)
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}
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}
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