Yeah.. well. That's definitely true for now, I mean that's definitely NOT easy to do with the current libraries and existing frameworks. With the "Canvas" project still chugging to completion and wide-spread implementation, we seriously don't have any proper 2D & 3D drawing libraries. Sure there are some really good libraries developed by some smart people, like the Ajax3D and the Triangles Method at UselessPickles but neither of those are true 3D engines capable of seriously importing and simulating objects with even, say, thousands of triangles at real-time, which is what even basic 3D games would require.
The most bugging thing is the lack of any sort of hardware acceleration available for drawing in the browser. Wait a minute! The Most Bugging Thing is the lack of ANY standard means of drawing at all in the browser! Well, as I see it, the graphic potential for rendering 3D objects using Javascript today lies somewhere close to the graphics prevalent in the year 1995, and is in a sense, actually worse. This is because not only is the triangles rendering capability sorely limited, the overheads involved in basic Input/Output is far higher, as it passes through several layers of application layer before it reaches the Javascript layer.
Well, I did write a basic 3D proof-of-concept type script that can simulate a rotating sphere with 300 odd triangles at pretty good speeds in my system. I'm still optimizing it. I find the task of writing this 3D engine in Javascript a lot more fun as compared to writing it in C++, because its like the old days when you had to squeeze out every little bit of speed from your code and run it in really restricted capability environments.
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