{"id":4897,"date":"2018-12-20T03:03:54","date_gmt":"2018-12-19T19:03:54","guid":{"rendered":"https:\/\/unitycoder.com\/blog\/?p=4897"},"modified":"2018-12-20T18:47:03","modified_gmt":"2018-12-20T10:47:03","slug":"marching-ants-selection-outline-shader","status":"publish","type":"post","link":"https:\/\/unitycoder.com\/blog\/2018\/12\/20\/marching-ants-selection-outline-shader\/","title":{"rendered":"Marching Ants Sprite Outline Shader"},"content":{"rendered":"

Saw interesting question here https:\/\/forum.unity.com\/threads\/animated-outline-effects-using-shader.600028\/<\/a><\/p>\n

and unity sprite outline\u00a0https:\/\/github.com\/wlgys8\/Sprites-Outline<\/a> + stackoverflow https:\/\/stackoverflow.com\/a\/16856878\/5452781<\/a> to the rescue!
\n(although this is for 2D sprite..)<\/p>\n

Results:<\/strong>
\n\"\"<\/p>\n

TODO<\/strong>
\n– Test how this would look with screenspace values (to keep same size even if zoomed)
\n– Maybe could check neighbor pixel to get “flowing direction” for each pixel ?<\/p>\n

Modified shader:<\/strong> *note: hard coded values, could put them into properties, and also download the original github project first to test.<\/p>\n