addCallbacks(context, onDown, onUp, onPress)
Add callbacks to the Keyboard handler so that each time a key is pressed down or released the callbacks are activated.
Parameters
| Name | Type | Argument | Default | Description |
|---|---|---|---|---|
context | object | The context under which the callbacks are run. | ||
onDown | function | <optional> | null | This callback is invoked every time a key is pressed down. |
onUp | function | <optional> | null | This callback is invoked every time a key is released. |
onPress | function | <optional> | null | This callback is invoked every time the onkeypress event is raised. |
- Source code: input/Keyboard.js (Line 114)
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