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I wouldn't be. If you can write that sort of stuff with any ease you wouldn't be calling them "controls". Check out PEAR I believe there is a package especially designed for this kind of stuff, it has 3D in the title, shouldn't be hard to find.
http://www.geocities.com/SiliconValley/2151/math3d.html talks about rotations. In the quick glance I took of it, it did not specify if the math was for the 2D projection of the rotation however. Although the math to convert them isn't all that complicated. You will probably need subpixel calculation however.
elinews wrote:Do you know where/how I can download and install php imagecontrols on my apache server?
What image controls are you referring to? I've never heard of image controls before.
The GD library can do basically anything that you are after with images, though you may run across times where you'll need to know more in-depth mathematics to accomplish what you are after. You can usually find examples, it's just a matter of knowing what to search for (which is a pain). You usually won't find examples in PHP, but C++ and Delphi always seem to have examples for image creation and manipulation.