mirror of
https://github.com/hajimehoshi/ebiten.git
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153 lines
5.6 KiB
HTML
153 lines
5.6 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<meta property="og:image" itemprop="image primaryImageOfPage" content="https://hajimehoshi.github.io/ebiten/images/examples/keyboard.png">
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<meta name="description" content="Ebiten example - keyboard">
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<link rel="shortcut icon" href="../favicon.png" type="image/png" >
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<link rel="icon" href="../favicon.png" type="image/png" >
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<title>Ebiten example - keyboard</title>
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<link rel="stylesheet" href="../stylesheets/bootstrap.min.css">
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<link rel="stylesheet" href="../stylesheets/highlight-github.css">
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<link rel="stylesheet" href="../stylesheets/ebiten.css">
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<script src="../scripts/googleanalytics.js"></script>
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<nav class="navbar"><div class="container">
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<nav class="d-flex flex-row" style="width: 100%;">
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<div class="nav mr-auto"><a class="navbar-brand" href="../"><img src="../images/logo_white.svg" alt="EBITEN"></a></div>
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<ul class="nav">
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<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
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<li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
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<li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
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<li class="nav-item"><a class="nav-link" href="https://ebiten-playground.github.io/">Playground</a>
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</ul>
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</nav>
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</div></nav>
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<main><div class="container">
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<h2>Ebiten example - keyboard</h2>
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<iframe src="keyboard.content.html" width="640" height="480"></iframe>
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<div class="card"><pre class="card-body"><code class="language-go">// +build example
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package main
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import (
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"log"
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"strconv"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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"github.com/hajimehoshi/ebiten/examples/keyboard/keyboard"
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)
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const (
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screenWidth = 320
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screenHeight = 240
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)
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var keyboardImage *ebiten.Image
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func init() {
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var err error
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keyboardImage, _, err = ebitenutil.NewImageFromFile("_resources/images/keyboard/keyboard.png", ebiten.FilterNearest)
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if err != nil {
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log.Fatal(err)
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}
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}
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var keyNames = map[ebiten.Key]string{
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ebiten.KeyBackspace: "BS",
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ebiten.KeyComma: ",",
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ebiten.KeyEnter: "Enter",
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ebiten.KeyEscape: "Esc",
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ebiten.KeyPeriod: ".",
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ebiten.KeySpace: "Space",
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ebiten.KeyTab: "Tab",
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ebiten.KeyMinus: "-",
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ebiten.KeyEqual: "=",
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ebiten.KeyBackslash: "\\",
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ebiten.KeyGraveAccent: "`",
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ebiten.KeyLeftBracket: "[",
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ebiten.KeyRightBracket: "]",
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ebiten.KeySemicolon: ";",
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ebiten.KeyApostrophe: "'",
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ebiten.KeySlash: "/",
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// Arrows
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ebiten.KeyDown: "Down",
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ebiten.KeyLeft: "Left",
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ebiten.KeyRight: "Right",
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ebiten.KeyUp: "Up",
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// Mods
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ebiten.KeyShift: "Shift",
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ebiten.KeyControl: "Ctrl",
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ebiten.KeyAlt: "Alt",
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}
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func update(screen *ebiten.Image) error {
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if ebiten.IsRunningSlowly() {
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return nil
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}
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const offsetX, offsetY = 24, 40
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op := &ebiten.DrawImageOptions{}
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op.GeoM.Translate(offsetX, offsetY)
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op.ColorM.Scale(0.5, 0.5, 0.5, 1)
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screen.DrawImage(keyboardImage, op)
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pressed := []string{}
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for i := 0; i <= 9; i++ {
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if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.Key0) {
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pressed = append(pressed, string(i+'0'))
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}
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}
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for c := 'A'; c <= 'Z'; c++ {
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if ebiten.IsKeyPressed(ebiten.Key(c) - 'A' + ebiten.KeyA) {
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pressed = append(pressed, string(c))
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}
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}
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for i := 1; i <= 12; i++ {
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if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.KeyF1 - 1) {
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pressed = append(pressed, "F"+strconv.Itoa(i))
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}
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}
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for key, name := range keyNames {
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if ebiten.IsKeyPressed(key) {
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pressed = append(pressed, name)
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}
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}
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op = &ebiten.DrawImageOptions{}
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for _, p := range pressed {
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op.GeoM.Reset()
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r, ok := keyboard.KeyRect(p)
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if !ok {
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continue
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}
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op.GeoM.Translate(float64(r.Min.X), float64(r.Min.Y))
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op.GeoM.Translate(offsetX, offsetY)
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op.SourceRect = &r
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screen.DrawImage(keyboardImage, op)
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}
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return nil
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}
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func main() {
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if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Keyboard (Ebiten Demo)"); err != nil {
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log.Fatal(err)
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}
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}
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</code></pre></div>
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</div></main>
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<footer><div class="container">
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<p>© 2013 Hajime Hoshi</p>
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<p>Code is licensed under <a href="https://github.com/hajimehoshi/ebiten/blob/master/LICENSE">the Apache License 2.0</a>.</p>
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<p>The content of this page is licensed under <a href="https://creativecommons.org/licenses/by/4.0/">the Creative Commons Attribution 4.0 License</a>.</p>
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</div></footer>
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<script src="../scripts/highlight.pack.js"></script>
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<script>hljs.initHighlightingOnLoad();</script>
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