For people interested in CSS:
CSS is now capable of complex animation routines and supports image filters as advanced as the ones found in Adobe Photoshop.
However, one thing that was missing was the ability to work with angles and perform mathematical operations more advanced than adding, subtracting, multiplying, or dividing two values.
The new CSS trigonometry functions have been approved less than two weeks ago, and it will take a while until they end up in our browsers.
Also interesting: a FPS game in CSS.