improve rotation handling

[kimon]

The current approach to rotation artificially limits the expressible range of animatable values. Core Animation encountered a similar issue which prompted the addition of CAValueFunction. Investigate a Pop solution.

Links:
https://developer.apple.com/library/mac/documentation/graphicsimaging/reference/CAValueFunction_class/Reference/Reference.html

[ghost]

Thank you for reporting this issue and appreciate your patience. We've notified the core team for an update on this issue. We're looking for a response within the next 30 days or the issue may be closed.

[patchthecode]

so is this fixed? or... I still cant do a full flip rotate on y axis

[migrant]

@patchthecode Seems like not. I can not until now.