mirror of
https://github.com/hajimehoshi/ebiten.git
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106 lines
3.8 KiB
HTML
106 lines
3.8 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/typewriter.png">
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<meta name="description" content="Ebiten example - typewriter">
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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 - typewriter</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 - typewriter</h2>
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<iframe src="typewriter.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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"strings"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/ebitenutil"
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)
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var (
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text = "Type on the keyboard:\n"
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counter = 0
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bsPrevPressed = false
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)
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func update(screen *ebiten.Image) error {
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// Add a string from InputChars, that returns string input by users.
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// Note that InputChars result changes every frame, so you need to call this
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// every frame.
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text += string(ebiten.InputChars())
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// Adjust the string to be at most 10 lines.
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ss := strings.Split(text, "\n")
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if len(ss) > 10 {
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text = strings.Join(ss[len(ss)-10:], "\n")
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}
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// If the enter key is pressed, add a line break.
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if ebiten.IsKeyPressed(ebiten.KeyEnter) && !strings.HasSuffix(text, "\n") {
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text += "\n"
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}
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// If the backspace key is pressed, remove one character.
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bsPressed := ebiten.IsKeyPressed(ebiten.KeyBackspace)
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if !bsPrevPressed && bsPressed {
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if len(text) >= 1 {
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text = text[:len(text)-1]
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}
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}
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bsPrevPressed = bsPressed
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counter++
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if ebiten.IsRunningSlowly() {
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return nil
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}
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// Blink the cursor.
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t := text
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if counter%60 < 30 {
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t += "_"
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}
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ebitenutil.DebugPrint(screen, t)
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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, 320, 240, 2.0, "Typewriter (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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