Function calculateRealTime

src/Animation.js:170–175

(animatingRect, fromRect, toRect, options)

function calculateRealTime(animatingRect, fromRect, toRect, options) {
	return (
		Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) /
		Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2))
	) * options.animation;
}