Karn Kallio wrote:
To support animation natively, I think Ur/Web will have to be able to express sources over CSS properties and DOM information like the cursor position. I believe that without these sources animation will be difficult. From looking over basis.urs and the Ur Reference Manual, I think that to make an animated sliding open window, we would have to have a static CSS file with styles for all of the window positions. Also, without access to information like the position of the cursor, effects like drawing a new window box beside the cursor where the user clicked cannot be expressed.
Yes, I make no claims about present suitability of Ur/Web for building applications with animations. It's easy to imagine simple extensions to support this, though.
Personally, I consider it a useful feature for a language to guarantee that no program that type-checks can contain animations, but I know others feel differently. ;)
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