Wow, you missed a good four or five years! A6 is more powerful, faster and more efficient in most cases. They updated collision detection, lighting, working with directX and even more.

From the manual:

Quote:

The main difference between A5 and A6 is the handling of polygon coordinates and lighting. A5 used its own algorithms for lighting and for converting polygon coordinates into screen space. A6 uses the DirectX algorithms for this, thus omitting the software world->screen conversion and lighting step. For this reason the A6 renderer is a lot simpler than the A5 renderer, but offers more features and can use T&L hardware. Very old 3D cards without multitexturing are not supported by A6.



If you download the manual, you can find which A4 instructions are no longer supported and find out what the changes are from A4->A5->A6.

Good luck!

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