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Can you please help me to create an outline for a 3d object without changing the color or texture of the object I know that you have made one for 2d sprites but I am making a 3d game and I am new to unity so can you please kindly help me.
Watch this tutorial: https://www.youtube.com/watch?v=SlTkBe4YNbo
I found that this tutorial explains it very well: https://roystan.net/articles/outline-shader.html
This method with a shader that you apply to the gameobject that you'd like a highlight on, might be helpful.
Keep on Creating!
Justin of JustinTime Studios (http://unity3d.expert)
just use a PBR shader and use a frensel node make your object transparent and add a colour node that will make your object show only outer parts.