alpha of texture

[brian661]

I have .jpeg file where it is a red circle image, and the area out side the circle is white in color, 
I would like to use texture widget to put the image on the game scenes,
how can i remove the white part on the image when pasting to the game scene?

I believe i have to set the alpha channel for the texture, isn't it ? ( something learn from 3dsmax)

[Nicki]

Unity or NGUI doesn't handle this for you.

JPGs don't have alpha. Make it into a png or psd.

See something like this http://www.axialis.com/tutorials/tutorial-misc001.html

[brian661]

Unity or NGUI doesn't handle this for you.

JPGs don't have alpha. Make it into a png or psd.

See something like this http://www.axialis.com/tutorials/tutorial-misc001.html

I tried to store my image as psd and if I use button widget, it success,
but when I use texture widget, it fails...

[Nicki]

Are you on an old version of NGUI? The UITexture should use the Transparent Alpha shader, not the Unlit/Texture one - the latter has no alpha.