Animation

Someone asked about an ElevationGrid rotating about its center in the X3DOM User Mailling List, so I created this one using VRMath2 Editor to demonstrate that it is quite easy to create one. The idea in this demo is to have the center of ElevationGrid at 0,0,0 then move the ElevationGrid into an empty Transform node. The OrientationInterpolator is then applied on to the outer Transform node.

For the Holiday Season Challenge, I thought of creating some animating (flying) snowflakes. So I started with creating one piece of snow. My idea is that this snow should fall from about 30 meters above ground. It should fall with some acceleration but not to fast because it is light. It should also spin a little while falling. For an easy beginning, I used a scaled rectangle to be the snow. If this works, this snow can be easily transformed into a more beautiful snowflake, and it can be multiplied to create many falling snowflakes.

What if the world is a Mobius ring? Then would this man even walk to the end of the world?

A normal wrist band has inside and outside faces. If we cut the band, twist it 180 degrees then reconnect the band, then we have created a Mobius ring (or Mobius strip). A Mobius ring has only 1 face. You can observe the man walking continuously on the inside to outside, then inside, and outside again and again.....   

This is another test of animation in VRMath2. The construction of the man utilises basic 3D primitives including sphere, cone, sylinder, and cube. It is basically a trial and error approach to scale and apply material settings onto those 3D primitive objects. 

Animation is then applied to the arms and legs by careful considerations about their positions and orientations of movements.