@Sunny_islost It depends on what kind of help you need. Feel free to ask if you need something specific, but I don't have much free time, so I can't give more than a couple of hints
@Abubakar_Imam1@CodePen The wobble effect was made via vertex shader and falling leaves is a part of three js magick. I made an array of dead leaves and with every frame each of dead leaf going down a bit until it hits the ground. Thanks!