mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-13 22:47:26 +01:00
156 lines
4.9 KiB
HTML
156 lines
4.9 KiB
HTML
<!DOCTYPE html>
|
|
<script src="../scripts/force-https.js"></script>
|
|
<link rel="shortcut icon" href="../favicon.png" type="image/png" >
|
|
<link rel="icon" href="../favicon.png" type="image/png" >
|
|
<title>Ebiten example - keyboard</title>
|
|
<link rel="stylesheet" href="../stylesheets/bootstrap.min.css">
|
|
<link rel="stylesheet" href="../stylesheets/highlight-github.css">
|
|
<link rel="stylesheet" href="../stylesheets/ebiten.css">
|
|
<script src="./scripts/googleanalytics.js"></script>
|
|
|
|
<header class="navbar"><div class="container">
|
|
<div class="navbar-header">
|
|
<a class="navbar-brand" href="..">Ebiten</a>
|
|
</div>
|
|
<nav class="collapse navbar-collapse">
|
|
<ul class="nav navbar-nav navbar-right">
|
|
<li><a href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
|
|
<li><a href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
|
|
<li><a href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a>
|
|
</ul>
|
|
</nav>
|
|
</header>
|
|
|
|
<main><div class="container">
|
|
|
|
<h2>Ebiten example - keyboard</h2>
|
|
<iframe src="keyboard.content.html" width="640" height="480"></iframe>
|
|
<pre><code class="language-go">// +build example
|
|
|
|
package main
|
|
|
|
import (
|
|
"log"
|
|
"strconv"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/ebitenutil"
|
|
"github.com/hajimehoshi/ebiten/examples/keyboard/keyboard"
|
|
)
|
|
|
|
const (
|
|
screenWidth = 320
|
|
screenHeight = 240
|
|
)
|
|
|
|
var keyboardImage *ebiten.Image
|
|
|
|
func init() {
|
|
var err error
|
|
keyboardImage, _, err = ebitenutil.NewImageFromFile("_resources/images/keyboard/keyboard.png", ebiten.FilterNearest)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
var keyNames = map[ebiten.Key]string{
|
|
ebiten.KeyBackspace: "BS",
|
|
ebiten.KeyComma: ",",
|
|
ebiten.KeyDelete: "Del",
|
|
ebiten.KeyEnter: "Enter",
|
|
ebiten.KeyEscape: "Esc",
|
|
ebiten.KeyPeriod: ".",
|
|
ebiten.KeySpace: "Space",
|
|
ebiten.KeyTab: "Tab",
|
|
|
|
// Arrows
|
|
ebiten.KeyDown: "Down",
|
|
ebiten.KeyLeft: "Left",
|
|
ebiten.KeyRight: "Right",
|
|
ebiten.KeyUp: "Up",
|
|
|
|
// Mods
|
|
ebiten.KeyShift: "Shift",
|
|
ebiten.KeyControl: "Ctrl",
|
|
ebiten.KeyAlt: "Alt",
|
|
}
|
|
|
|
type pressedKeysParts []string
|
|
|
|
func (p pressedKeysParts) Len() int {
|
|
return len(p)
|
|
}
|
|
|
|
func (p pressedKeysParts) Dst(i int) (x0, y0, x1, y1 int) {
|
|
k := p[i]
|
|
r, ok := keyboard.KeyRect(k)
|
|
if !ok {
|
|
return 0, 0, 0, 0
|
|
}
|
|
return r.Min.X, r.Min.Y, r.Max.X, r.Max.Y
|
|
}
|
|
|
|
func (p pressedKeysParts) Src(i int) (x0, y0, x1, y1 int) {
|
|
return p.Dst(i)
|
|
}
|
|
|
|
func update(screen *ebiten.Image) error {
|
|
const offsetX, offsetY = 24, 40
|
|
op := &ebiten.DrawImageOptions{}
|
|
op.GeoM.Translate(offsetX, offsetY)
|
|
op.ColorM.Scale(0.5, 0.5, 0.5, 1)
|
|
if err := screen.DrawImage(keyboardImage, op); err != nil {
|
|
return err
|
|
}
|
|
|
|
pressed := []string{}
|
|
for i := 0; i <= 9; i++ {
|
|
if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.Key0) {
|
|
pressed = append(pressed, string(i+'0'))
|
|
}
|
|
}
|
|
for c := 'A'; c <= 'Z'; c++ {
|
|
if ebiten.IsKeyPressed(ebiten.Key(c) - 'A' + ebiten.KeyA) {
|
|
pressed = append(pressed, string(c))
|
|
}
|
|
}
|
|
for i := 1; i <= 12; i++ {
|
|
if ebiten.IsKeyPressed(ebiten.Key(i) + ebiten.KeyF1 - 1) {
|
|
pressed = append(pressed, "F"+strconv.Itoa(i))
|
|
}
|
|
}
|
|
for key, name := range keyNames {
|
|
if ebiten.IsKeyPressed(key) {
|
|
pressed = append(pressed, name)
|
|
}
|
|
}
|
|
|
|
op = &ebiten.DrawImageOptions{
|
|
ImageParts: pressedKeysParts(pressed),
|
|
}
|
|
op.GeoM.Translate(offsetX, offsetY)
|
|
if err := screen.DrawImage(keyboardImage, op); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func main() {
|
|
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Keyboard (Ebiten Demo)"); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
</code></pre>
|
|
|
|
</div></main>
|
|
|
|
<footer><div class="container">
|
|
<p>© 2013 Hajime Hoshi</p>
|
|
<p>Code is licensed under <a href="https://github.com/hajimehoshi/ebiten/blob/master/LICENSE">the Apache License 2.0</a>.</p>
|
|
<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>
|
|
</div></footer>
|
|
|
|
<script src="../scripts/highlight.pack.js"></script>
|
|
<script>hljs.initHighlightingOnLoad();</script>
|