Why do rotated Gui elements not get clipped?

[anon72197541]

Really bothers me that this bug has been around for such a long time

[anon58821042]

Technical performance reasons. Its not happening. Sadly.
This is pretty much intended. Not a bug.

[anon97857847]

Here is the reason:

@anon96368744

Stravant is correct - the reason this feature is not implemented atm is the requirement to change the UI code to work with arbitrary convex polygons everywhere instead of axis-aligned rectangles.

We can’t use scissor rectangles since they don’t provide full clipping support anyway as mentioned above; the only complete solution that does not need convex polygon clipping is stenciling, but it would require us to de-optimize current rendering code that aggressively merges geometry for visible UI elements to avoid CPU overhead.

We may end up implementing correct clipping some day but it would require a carefully optimized approach that only switches to slow convex clipping when absolutely necessary.

[anon65680458]

Instead of rotating 180 degrees, you could use
http://wiki.roblox.com/index.php?title=API:Class/ImageLabel/ImageRectOffset
http://wiki.roblox.com/index.php?title=API:Class/ImageLabel/ImageRectSize

Just set ImageRectOffset to (width, 0) and ImageRectSize to (-width, height), and your image is flipped horizontally!

Mhm, for anything else than 180 degree rotation, it pretty much sucks that clipping doesn’t work

[anon72197541]

Omg thank you x3

[anon71818447]

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[anon28187530]

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[anon17822222]

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