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            Phaser Editor 2D
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                v3.67.0
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  <section id="keyboard-key-object">
<h1>Keyboard Key object<a class="headerlink" href="#keyboard-key-object" title="Link to this heading"></a></h1>
<p>The <a class="reference external" href="../scene-editor/index.html">Scene Editor</a> supports adding a <a class="reference external" href="https://newdocs.phaser.io/docs/3.55.2/Phaser.Input.Keyboard.Key">Phaser.Input.Keyboard.Key</a> object to the scene. Just drag the <strong>Keyboard.Key</strong> object from the <a class="reference external" href="../workbench/blocks-view.html">Blocks view</a> and drop it into the scene:</p>
<img alt="Add Keyboard Key to the scene." src="../_images/scene-editor-input-add-key-20221114.webp" />
<p>The editor shows the <strong>Key</strong> objects in the <strong>Input</strong> section of the <a class="reference external" href="../workbench/outline-view.html">Outline view</a>:</p>
<img alt="Key objects in the Outline view." src="../_images/scene-editor-input-keys-in-outline-20221114.webp" />
<p>Select a key for editing its properties in the <a class="reference external" href="../workbench/inspector-view.html">Inspector view</a>:</p>
<img alt="The Keyboard Key properties." src="../_images/scene-editor-input-key-properties-20221114.webp" />
<p>The <strong>Variable</strong> properties:</p>
<ul class="simple">
<li><p><strong>Name</strong>: The name of the variable for the Key object.</p></li>
<li><p><strong>Scope</strong>: The scope of the variable. It may be <code class="docutils literal notranslate"><span class="pre">LOCAL</span></code>, <code class="docutils literal notranslate"><span class="pre">METHOD</span></code>, <code class="docutils literal notranslate"><span class="pre">CLASS</span></code>, or <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code>. By default it is <code class="docutils literal notranslate"><span class="pre">PUBLIC</span></code>. You can <a class="reference external" href="./variable-properties.html#scope-property">learn more about the variable scopes</a>.</p></li>
</ul>
<p>The <strong>Keyboard Key</strong> properties:</p>
<ul class="simple">
<li><p><strong>Key Code</strong>: the <a class="reference external" href="https://newdocs.phaser.io/docs/3.55.2/Phaser.Input.Keyboard.Key#keyCode">keyCode</a>. Click on the button for selecting the code:</p></li>
</ul>
<img alt="KeyCode dialog." src="../_images/scene-editor-input-keycode-dialog-20221114.webp" />
<p>The code generated for the key code is like this:</p>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="c1">// in the context of a scene:</span>

<span class="kd">const</span><span class="w"> </span><span class="nx">jumpKey</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">input</span><span class="p">.</span><span class="nx">keyboard</span>
<span class="w">        </span><span class="p">.</span><span class="nx">addKey</span><span class="p">(</span><span class="nx">Phaser</span><span class="p">.</span><span class="nx">Input</span><span class="p">.</span><span class="nx">Keyboard</span><span class="p">.</span><span class="nx">KeyCodes</span><span class="p">.</span><span class="nx">UP</span><span class="p">);</span>

<span class="c1">// in the context of a prefab:</span>

<span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">jumpKey</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">scene</span><span class="p">.</span><span class="nx">input</span><span class="p">.</span><span class="nx">keyboard</span>
<span class="w">        </span><span class="p">.</span><span class="nx">addKey</span><span class="p">(</span><span class="nx">Phaser</span><span class="p">.</span><span class="nx">Input</span><span class="p">.</span><span class="nx">Keyboard</span><span class="p">.</span><span class="nx">KeyCodes</span><span class="p">.</span><span class="nx">UP</span><span class="p">);</span>
</pre></div>
</div>
<p>A common usage of the keys, is to assign it to a field (set the <code class="docutils literal notranslate"><span class="pre">Class</span></code> scope) and check for its <strong>down</strong> state in the <strong>update</strong> method:</p>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="nx">update</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>

<span class="w">    </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">jumpKey</span><span class="p">,</span><span class="nx">isDown</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>

<span class="w">        </span><span class="k">this</span><span class="p">.</span><span class="nx">player</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">velocity</span><span class="p">.</span><span class="nx">y</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="o">-</span><span class="mf">400</span><span class="p">;</span>
<span class="w">    </span><span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
</section>


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