Science

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Spur gears

Submitted by Andy on Tue, 20/10/2015 - 21:51
Spur gear set

Finally, not perfect at all but working gear set in 3D. Thanks to asplech's blog about involute gear and this Spur Gear document, I finally get to know better about these cogged wheels.

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involute gear

Submitted by aplesch on Fri, 16/10/2015 - 22:49
two gears

It turned out that producing a set of involute gears requires quite a bit of geometry in addition to involutes.

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Palm Tree Leaf

Submitted by Andy on Sun, 11/10/2015 - 12:51
Palm tree leaf

Outsite my office window, there are many palm trees. I thought about making one so it may be reused later to make a full tree.

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Ripple wave

Submitted by Andy on Tue, 30/06/2015 - 23:43
Ripple test

This is my first water ripple experiment. I found a function on Youtube and had a quick experiment. The ripple effect is not perfect but could be a good start for whoever is interested to refine it.

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Bouncing spring

Submitted by Andy on Tue, 16/06/2015 - 14:06
Bouncing Spring

Bouncing is fun. A spring has potential (elastic?) energy that has many uses in our life. Can you think of any uses? I just had a front suspesion replace in my old car. There are two big springs (or perhaps 4, I did not check back wheels) on top of the two front wheels. The two springs make sitting in the car comfortable by obsorbing forces and only bouncing slightly when driving (on rocky road).

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Interactive Earth Cross Section

Submitted by Andy on Sat, 09/05/2015 - 13:35
Earth Cross Section 2

This is a slightly improve Earth Cross Section model of the previous one, with added animation and some interaction. Previously, the focus was on using VRMath2 Editor to construct the model. This time, the focus is on the learning about the Earth's geo structure. This is one of the main purpose of VRMath2 as a learning community for all to create, share, discuss and learn.

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Earth Cross Section

Submitted by Andy on Sat, 09/05/2015 - 00:02
Earth Cross Section

In the X3DOM mailing list, there was a discussion about constructing solid geometry. One application of solid geometry is to model the cross section of Earth. Unfortunately, solid geometry is not supported in X3DOM. However, the cross section can be achieved by using other geometry available in X3DOM. Here is an example.

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Analog clock

Submitted by Andy on Fri, 07/11/2014 - 00:19
Analog clock

The TIMESENSOR of X3D is quite a complicated time mechanism to understand. As I have created some commands for easy animation, I thought that it would be interesting to test the TIMESENSOR with an analog clock.

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CSC Ice cream

Submitted by Andy on Tue, 28/10/2014 - 11:56

Hello world, We found that the most popular flavour icecream for CSC is Vanilla flavour.

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Helium atom

Submitted by Andy on Fri, 10/10/2014 - 18:56
Helium atom

Since version 0.9.1 of VRMath2 Editor, animation has become quite easy. I have previously made a hydrogen atom and now I can't resist to create the second one in the periodic table, the helium atom.