A changeable mask

[afrokick]

I need to implement a mask similar to a Flash's mask. Our artist should be able to rotate, scale and move this mask. I found a simple Mask Shader created by Niki. Sure, I can change texture's offsets, but I cannot rotate and scale this texture.

For this reason, I started implement a custom component(UIMask), which contains two UISprite-s(mask,sprite). But now I have questions.

Is it possible to make it only in one mesh, or I need to create another mesh?
How find an overlap of two sprites and draw only it?

I think that this component will be very useful for many developers)

Sorry for my bad english.

[badawe]

I guess do you want to do something like the stecil here right:

https://www.youtube.com/watch?v=5wcODp8Sh8o

have not a single clue of how do that with NGUI

[afrokick]

badawe, yes, you're right.