pan class="type-signature">(static, constant) </span>timeDelta<span class="type-signature"> :number</span></h3><div class="description"><p>How many seconds each frame lasts, engine uses a fixed time step</p></div><div class="member-item-container flex"><strong>Type:</strong><ul><li><span class="param-type">number</span></li></ul></div><dl class="details"><div class="details-item-container"><dt class="tag-default bold">Default Value</dt><dd class="tag-default"><ul><li data-skip-pre-process="true">1/60</li></