ebiten/docs/examples/gamepad.html
2016-08-28 07:10:41 +09:00

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<title>Ebiten example - gamepad</title>
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<h2>Ebiten example - gamepad</h2>
<iframe src="gamepad.content.html" width="640" height="480"></iframe>
<pre><code class="language-go">// &#43;build example
package main
import (
&#34;fmt&#34;
&#34;log&#34;
&#34;strconv&#34;
&#34;strings&#34;
&#34;github.com/hajimehoshi/ebiten&#34;
&#34;github.com/hajimehoshi/ebiten/ebitenutil&#34;
)
const (
screenWidth = 320
screenHeight = 240
)
func update(screen *ebiten.Image) error {
// TODO: API to get the available, lowest ID
const gamepadID = 0
axes := []string{}
pressedButtons := []string{}
maxAxis := ebiten.GamepadAxisNum(gamepadID)
for a := 0; a &lt; maxAxis; a&#43;&#43; {
v := ebiten.GamepadAxis(gamepadID, a)
axes = append(axes, fmt.Sprintf(&#34;%d: %0.6f&#34;, a, v))
}
maxButton := ebiten.GamepadButton(ebiten.GamepadButtonNum(gamepadID))
for b := ebiten.GamepadButton(gamepadID); b &lt; maxButton; b&#43;&#43; {
if ebiten.IsGamepadButtonPressed(gamepadID, b) {
pressedButtons = append(pressedButtons, strconv.Itoa(int(b)))
}
}
str := `Gamepad
Axes:
{{.Axes}}
Pressed Buttons: {{.Buttons}}`
str = strings.Replace(str, &#34;{{.Axes}}&#34;, strings.Join(axes, &#34;\n &#34;), -1)
str = strings.Replace(str, &#34;{{.Buttons}}&#34;, strings.Join(pressedButtons, &#34;, &#34;), -1)
if err := ebitenutil.DebugPrint(screen, str); err != nil {
return err
}
return nil
}
func main() {
if err := ebiten.Run(update, screenWidth, screenHeight, 2, &#34;Gamepad (Ebiten Demo)&#34;); err != nil {
log.Fatal(err)
}
}
</code></pre>
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