Landing page with webGL and/or three.js

We want beautiful landing page by webGL and/or [login to view URL] [login to view URL] We want something similar to this, (of course, much simpler) Key actor: animated dolphin that serves as the insect/car in the above examples -- its movement leads the user's focal point on screen to different locations that contain the website's information dolphin file will be provided later, can first use any 3d animated object as replacement. Replacement objects can be found at [login to view URL] [login to view URL] Background will be cloud, we will provide you. The dolphin should travel forward in a fixed path (like the insect/forest version)