Image Spiral Fade In

Hi,

Im very new to Unity, and I am trying to have a circular image fade in a clockwise position. I was wondering how I would be able to approach this.

 

You may have to be more specific.

An image that is circular is pretty easy. Make a plane or quad or cylinder, make a material that uses your texture, use a shader that supports the image's transparency.

Fading the whole thing is straightforward. A script on the plane object can calculate how faded it should be at any time. Maybe fully opaque at the Start() and maybe a little less opaque every time Update() gets called.

Fading in a "clockwise position" is not clear to me. Is the image rotating, or is the image fading like a green phosphor radar screen sweep? Rotating the image is very easy but making a radar fade will take a little extra effort, likely using a custom shader.

 

Yup, kinda like that radar idea. Is there easier ways to do this?