Material

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Hemnes Desk

Hemnes desk

The Hemnes desk is a simple design. It has a table top and three compartments for storage. The programming could be simple but because I tool a challenge to use egocentric movements only, so it takes more than two hours to complete. Another reason for the longer time taken was that during the construction, I actually found a bug in the VRMath2 Editor, which puzzled me with some strange behaviour of the turtle movement.

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NaCl Lattice Blog Entry FINAL (Ryan Gray ASC091C)

NaCl Lattice

By Ryan Gray ASC091C

This model is of a salt crystal lattice, with the chemical formula NaCl. Its different properties allow it to have many uses in society, including as a preservative, flavouring and currency. Salt demonstrates ionic bonding and its structure makes it interesting to model, because the crystal lattice can continue on forever and doesn't have a specific number of atoms like water does, with each water molecule consisting of one oxygen and two hydrogen atoms. For the purposes of this project, I limited my model to a 3x3x3 cube so it could be easily seen. The distance between the atoms was also expanded to allow the bonds to be more clearly viewed.

 

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NaCl

This is the introduction

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Bali Hut

Bali Hut

In my backyard, there is a Bali Hut. Before purchasing this house, we liked this piece of outdoor structure, and thought we can enjoy some outdoor leisure there with family and friends. And we did. Our hut is a very solid architecture. We decorated with artificial turf and fences on the three sides of the hut. It has become a comfortable place for our weekend breakfast place and retreat anytime at home. 

Because there is now furniture and fences, I thought I can make a 3D model to show what it looks like by itself.

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Gear 2D Prototype

gear2d prototype

Following the circle involute blog, I thought about creating a gear procedure for easy creation of different gears. The method used is quite differnt to the involute idea but the turtle geometry way of thinking and doing the gears. This prototype procedure utilised a simple regular poygon formula (repeat :sides [ fd 1 rt 360/:sides ]) and some built-in commands such as TOWARD and SETHEADING to rotate the turtle and get the directions needed.

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Bouncing spring

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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Analog clock

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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Coffee Table

Coffee table

It has been a while, a long while that I do not have time blogging. It feels good when I put down work and write a blog. In fact, it did not take long to do this coffee table at all.