Tested ray marching in Unity after watching this episode of The Coding Train. Source code:https://gist.github.com/unitycoder/7120e492deba748dba3d4e1e424d3c2a Usage:Set camera to 0,0,-10Projection: OrthographicThen Place spheres under empty gameobject, with sphere z values at 0

How to build simplest possible android AR app in “few” steps. ( No coding at all! ) Download Unity 2018.3.x https://download.unity3d.com/download_unity/06548a9e9582/UnityDownloadAssistant-2018.3.13f1.exe Install with these 3 options selected: [x] Unity, [x] Android Build Support, [x] Vuforia support. *Visual studio might be listed here also, if you […]

Converted this RANSAC 2D line fitting pseudocode into Unity c# http://www.visual-experiments.com/demo/ransac.js/ What is RANSAC? https://en.wikipedia.org/wiki/Random_sample_consensus Source code:https://gist.github.com/unitycoder/53495435c28853ef6522ff60d5c6a091 *Note this is not optimized at all, just a quick test Usage instructions:– Add this script to empty gameobject– Add gameobjects as a child of that gameobject (place […]

Small tool to generate gradient Texture2D from array of colors. (Note: maximum colors is 8, since it uses unity Gradient internally ( https://docs.unity3d.com/ScriptReference/Gradient.html ) Source:https://github.com/UnityCommunity/UnityLibrary/blob/master/Assets/Scripts/Texture/GradientTextureMaker.cs Example usage script: (attach script to some 3d object)https://gist.github.com/unitycoder/f7ea9019bb67b7042efbd08f0f4fa785

Saw interesting question here https://forum.unity.com/threads/animated-outline-effects-using-shader.600028/ and unity sprite outline https://github.com/wlgys8/Sprites-Outline + stackoverflow https://stackoverflow.com/a/16856878/5452781 to the rescue! (although this is for 2D sprite..) Results: TODO – Test how this would look with screenspace values (to keep same size even if zoomed) – Maybe could check neighbor pixel […]

Had to make an UI button clickable by multiple different keyboard keys (like enter, space, left/right shift etc.) And almost started writing custom script to handle extra keys when selecting UI button.. but then realized that you can duplicate Input Manager keys, and sure enough […]

Briefly tested https://nuitrack.com/ in unity, and had this error when trying to run examples: DllNotFoundException: libnuitrack nuitrack.NativeNuitrack.Init (System.String config) nuitrack.Nuitrack.Init (System.String config, NuitrackMode mode) NuitrackManager.NuitrackInit () (at Assets/NuitrackSDK/Nuitrack/NuitrackManager.cs:218) NuitrackManager.Awake () (at Assets/NuitrackSDK/Nuitrack/NuitrackManager.cs:117) There is a thread about it in nuitrack forums, https://community.nuitrack.com/t/dllnotfoundexception-libnuitrack/562/23 and the solution […]

Converted this old animated sprite sheet script into shader, its useful for animating sprites from sprite sheet. (when Animator is too heavy for simple sprite animation) Could be extended to have billboard option. Shader source: *Updated: 30/11/18 to fix index wrapping and UV direction https://github.com/UnityCommunity/UnityLibrary/blob/master/Assets/Shaders/2D/Sprites/FlipBook.shader […]

Had problems finding some Debug.LogError messages in the android logcat output, so googled around and sure enough you can enable output colors easily! Just add -v color parameter: adb logcat -s Unity ActivityManager PackageManager dalvikvm DEBUG -v color Note: Default windows Command Prompt doesn’t support […]

Saw this tip at #UniteKL18, fast way to get nearby objects using CullingGroup! (main image with 5000 gameobjects, searching objects within 3m radius) example source code: https://github.com/UnityCommunity/UnityLibrary/blob/master/Assets/Scripts/Docs/UnityEngine/CullingGroupExample.cs my example project: https://github.com/unitycoder/GetNearestObjectsWithCullingGroup Some notes on that: – You need to have MainCamera in the scene (as […]