ebiten/docs/examples/gamepad.html

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<!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/gamepad.png">
<meta name="description" content="Ebiten example - gamepad">
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<title>Ebiten example - gamepad</title>
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<main><div class="container">
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<h2>Ebiten example - gamepad</h2>
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<iframe src="gamepad.content.html" width="640" height="480"></iframe>
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<div class="card"><pre class="card-body"><code class="language-go">// &#43;build example
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package main
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import (
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&#34;fmt&#34;
&#34;log&#34;
&#34;strconv&#34;
&#34;strings&#34;
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&#34;github.com/hajimehoshi/ebiten&#34;
&#34;github.com/hajimehoshi/ebiten/ebitenutil&#34;
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&#34;github.com/hajimehoshi/ebiten/inpututil&#34;
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)
const (
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screenWidth = 640
screenHeight = 480
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)
func update(screen *ebiten.Image) error {
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ids := ebiten.GamepadIDs()
axes := map[int][]string{}
pressedButtons := map[int][]string{}
for _, id := range ids {
maxAxis := ebiten.GamepadAxisNum(id)
for a := 0; a &lt; maxAxis; a&#43;&#43; {
v := ebiten.GamepadAxis(id, a)
axes[id] = append(axes[id], fmt.Sprintf(&#34;%d:%0.2f&#34;, a, v))
}
maxButton := ebiten.GamepadButton(ebiten.GamepadButtonNum(id))
for b := ebiten.GamepadButton(id); b &lt; maxButton; b&#43;&#43; {
if ebiten.IsGamepadButtonPressed(id, b) {
pressedButtons[id] = append(pressedButtons[id], strconv.Itoa(int(b)))
}
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// Log some events.
if inpututil.IsGamepadButtonJustPressed(id, b) {
log.Printf(&#34;Button Just Pressed: id(%d), button(%d)&#34;, id, b)
}
if inpututil.IsGamepadButtonJustReleased(id, b) {
log.Printf(&#34;Button Just Released: id(%d), button(%d)&#34;, id, b)
}
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}
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}
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if ebiten.IsRunningSlowly() {
return nil
}
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// Draw the current gamepad status.
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str := &#34;&#34;
if len(ids) &gt; 0 {
for _, id := range ids {
str &#43;= fmt.Sprintf(&#34;Gamepad (ID: %d):\n&#34;, id)
str &#43;= fmt.Sprintf(&#34; Axes: %s\n&#34;, strings.Join(axes[id], &#34;, &#34;))
str &#43;= fmt.Sprintf(&#34; Buttons: %s\n&#34;, strings.Join(pressedButtons[id], &#34;, &#34;))
str &#43;= &#34;\n&#34;
}
} else {
str = &#34;Please connect your gamepad.&#34;
}
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ebitenutil.DebugPrint(screen, str)
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return nil
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}
func main() {
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if err := ebiten.Run(update, screenWidth, screenHeight, 1, &#34;Gamepad (Ebiten Demo)&#34;); err != nil {
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log.Fatal(err)
}
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}
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</code></pre></div>
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</div></main>
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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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