AE高科技HUD元素跟踪合成教程 Udemy – After Effects: Futuristic Graphics讲解AE中科幻元素的图形制作方法，实拍素材绿幕抠像步骤，面部跟踪合成等基础教程create and design your graphics using only After Effects’ built-in tools,animate your graphics using basic keyframes and simple expressions,achieve a clean green screen color keymotion track live-action footagecomposite your animated graphics over top for a final look.