Folder structures
Add folders for framework，separated from win32 sample,
Including sub－folders
- common
- identity (base of all subject class)
- field
- boundary
- attribute
- physics
- EM field (describing of electric magnetic field and light)
- mechanics (shape change, sound and vibration)
- form of matters ( solid, gas, liquid, plasma and mixtures)
- reaction
- thermal
- sense
Base Class
Fill all the folders with classes (C++);
Use the class Boundary to describe shapes, and Attribute to give them colors;
Implement basic view function for scenes.
