This comprehensive post delves into 5 distinct techniques for rendering outlines in Unity, exploring both simple and advanced methods. From basic fresnel effects to complex edge-detection algorithms, each technique is meticulously broken down in detail. One surprising method involves using a blurred buffer to create soft, glowing outlines, while another utilizes a Jump Flood algorithm for wider outlines at a reasonable performance cost. The author highlights how each technique can be used to achieve different visual effects and points out limitations based on object shapes. Additionally, the mention of creating custom normals for sharper edges adds a unique layer of complexity to the process.
https://ameye.dev/notes/rendering-outlines/