Circular 9 slice? Draw a circle with constant thickness

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Trying to do something that sounds rather simple - each unit has different attack range, I want to draw a circle around that unit, and the size of the circle depends on the range.

This is in 2D, and the problem is that if I use a sprite and stretch/skew it, the thickness of the outline changes. I'd like to do something similar to the UI 9-slice for dialogs, so that the inside can stretch/skew (in my case the inside is transparent), but the outline will keep it's thickness.

Any tricks on how to do this without creating many different sprites?

Answer 1

Answer by DiegoSLTS · Oct 22, 2015 at 03:03 PM

I don't think something like that ("9-sliced" equivalent for circular images) exists.

One option could be to use a LineRenderer instead of a texture, with enough points to make a fake circle. If the outline is more than a constant color you can use a material with a more detailed texture.

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Circular 9 slice? Draw a circle with constant thickness

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