robert
/
xjs


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143
							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>onUpdate - Animal.js</title>
    <link rel="stylesheet" href="demo.css">
    <style>
        .circle {
            width: 50px;
            height: 50px;
            background-color: var(--highlight-color);
            border-radius: 50%;
        }
        .value {
            font-size: 20px;
            font-weight: bold;
            color: #fff;
            margin-bottom: 20px;
            font-family: monospace;
        }
        .demo-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
        }
    </style>
</head>
<body>

    <div class="container">
        <div style="font-size: 10px; font-weight: bold; letter-spacing: 1px; color: #ff4b4b; margin-bottom: 20px;">ANIMATION > CALLBACKS</div>
        
        <h1>onUpdate</h1>
        <p class="description">Executes a function on every frames of a running animation at the specified <code class="inline">frameRate</code>.</p>

        <h2>Accepts</h2>
        <p>A <code class="inline">Function</code> whose first argument is the animation itself</p>
        
        <h2>Default</h2>
        <p><code class="inline">noop</code></p>
        
        <div style="background: rgba(33, 150, 243, 0.1); border-left: 4px solid #2196F3; padding: 15px; border-radius: 4px; margin-bottom: 30px; font-size: 14px;">
            <div style="font-weight: bold; color: #2196F3; margin-bottom: 5px; font-size: 10px; letter-spacing: 1px;">INFO</div>
            <div style="color: #90caf9; margin-bottom: 10px;">To change the default value globally, update the <code class="inline" style="color: #fff">engine.defaults</code> object.</div>
            <div style="background: rgba(0,0,0,0.3); padding: 10px; border-radius: 4px; font-family: monospace; font-size: 12px; color: #a9b7c6; white-space: pre-wrap;">
<span class="kwd">import</span> { engine } <span class="kwd">from</span> <span class="str">'animejs'</span>;
engine.defaults.onUpdate = self => console.log(self.id);
            </div>
        </div>

        <div class="box-container">
            <div class="box-header">
                <div class="box-title">onUpdate code example</div>
                <div class="tabs">
                    <div class="tab active" onclick="switchTab('js')">JavaScript</div>
                    <div class="tab" onclick="switchTab('html')">HTML</div>
                </div>
            </div>

            <!-- JS Code View -->
            <div id="js-code" class="code-view active">
<span class="kwd">import</span> <span class="punc">{</span> animate<span class="punc">,</span> utils <span class="punc">}</span> <span class="kwd">from</span> <span class="str">'animejs'</span><span class="punc">;</span>

<span class="kwd">const</span> <span class="punc">[</span> $value <span class="punc">]</span> <span class="punc">=</span> utils.<span class="fun">$</span><span class="punc">(</span><span class="str">'.value'</span><span class="punc">);</span>

<span class="kwd">let</span> updates <span class="punc">=</span> <span class="num">0</span><span class="punc">;</span>

<span class="kwd">const</span> animation <span class="punc">=</span> <span class="fun">animate</span><span class="punc">(</span><span class="str">'.circle'</span><span class="punc">,</span> <span class="punc">{</span>
  x<span class="punc">:</span> <span class="str">'16rem'</span><span class="punc">,</span>
  loopDelay<span class="punc">:</span> <span class="num">1500</span><span class="punc">,</span>
  loop<span class="punc">:</span> <span class="kwd">true</span><span class="punc">,</span>
  alternate<span class="punc">:</span> <span class="kwd">true</span><span class="punc">,</span>
  onUpdate<span class="punc">:</span> self <span class="punc">=></span> $value.textContent <span class="punc">=</span> ++updates
<span class="punc">}</span><span class="punc">);</span>
            </div>

            <!-- HTML Code View -->
            <div id="html-code" class="html-view">
<span class="tag">&lt;div</span> <span class="attr">class</span>=<span class="val">"value"</span><span class="tag">&gt;</span>0<span class="tag">&lt;/div&gt;</span>
<span class="tag">&lt;div</span> <span class="attr">class</span>=<span class="val">"circle"</span><span class="tag">&gt;&lt;/div&gt;</span>
            </div>

            <!-- Live Demo -->
            <div class="demo-visual">
                <div class="demo-content">
                    <div class="value">0</div>
                    <div class="circle"></div>
                </div>
            </div>
            
            <div class="action-bar">
                <button class="play-btn" onclick="runDemo()">REPLAY</button>
            </div>
        </div>

    </div>

    <script src="../animal.js"></script>
    <script>
        const utils = {
            $: (selector) => document.querySelectorAll(selector)
        };

        function switchTab(tab) {
            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
            document.querySelectorAll('.code-view, .html-view').forEach(v => v.classList.remove('active'));
            
            if (tab === 'js') {
                document.querySelector('.tabs .tab:nth-child(1)').classList.add('active');
                document.getElementById('js-code').classList.add('active');
            } else {
                document.querySelector('.tabs .tab:nth-child(2)').classList.add('active');
                document.getElementById('html-code').classList.add('active');
            }
        }

        function runDemo() {
            const $circle = document.querySelector('.circle');
            const $value = document.querySelector('.value');
            $circle.style.transform = 'none';
            $value.textContent = '0';
            
            let updates = 0;
            const [ valueEl ] = utils.$('.value');
            
            animal.animate('.circle', {
                x: '16rem',
                duration: 1000,
                loop: Infinity, 
                direction: 'alternate',
                update: () => {
                    valueEl.textContent = ++updates;
                }
            });
        }
        
        setTimeout(runDemo, 500);
    </script>
</body>
</html>