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Key Event Handler

Installation

Unity Package Manager

Add below setting for Unofficial Unity Package Manager Registry into scopedRegistries.

  "scopedRegistries": [
    {
      "name": "Unofficial Unity Package Manager Registry",
      "url": "https://upm-packages.dev",
      "scopes": [
        "com.unity.simpleanimation",
        "com.stevevermeulen",
        "jp.cysharp",
        "dev.monry",
        "dev.upm-packages"
      ]
    }
  ]

Command Line

upm add package dev.upm-packages.keyeventhandler

Usages

Event Subscription

You can subscribe down, press and up key event.

using UnityEngine;
using UniRx;
using KeyEventHandler;

class Sample : MonoBehaviour
{
    private void Start()
    {
        this.OnKeyDownAsObservable(KeyCode.Return)
            .Subscribe(_ => Debug.Log("On key down Return"))
            .AddTo(this);
        this.OnKeyPressAsObservable(KeyCode.Space)
            .Subscribe(_ => Debug.Log("On key press Space"))
            .AddTo(this);
        this.OnKeyUpAsObservable(KeyCode.Escape)
            .Subscribe(_ => Debug.Log("On key up Esc"))
            .AddTo(this);
    }
}

These methods are implementing as extension method for Component or GameObject.

Event layering

You need to set up a component called KeyEventLayer to accept key events. (If not set, it will be added automatically)

KeyEventLayer is a function to switch the validity of KeyEvents subscribed by the underlying GameObject in a batch.

KeyEventLayers can be nested, and KeyEvents will not be executed unless all KeyEventLayers in the parent-child relationship are valid.

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