unity - wafrat

A comprehensive guide to exporting models from Blender to Unity

I recently got into modeling in Blender and wanted to export them into Unity. Most written and video guides show how easy it is, but it ended up being much more complicated than I thought. So I'll summarize what I've learned after hours of trial and error and searching online.

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Showing the player's body in VR in Unity

Even though I published a Cheat Sheet for VR, I feel like showing the player's body is a topic of its own. Here goes. Objective My goal is to show the player body in a way that's believable, while minimizing the amount of work and code. Adding a model Drag

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Physics of VR hands in Unity

I am making a boxing game where the player hits specific targets. Each target is equipped with a collider. I look at the velocity of the punch in OnCollisionEnter, and compute damage accordingly. I also want to enable ragdoll mode on enemy death and make the body fly according to

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Camera positioning for an XRRig in Unity

If you want to set the camera to match the user's height, assuming they're standing in the room ("room scale"), you want to: * Set the XRRig's Y to 0 so it's on the floor. * In the Camera Offset component, set Requested Tracking Mode to Floor and Camera Y Offset to

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Publishing an app on the Oculus Quest Store on a Mac

Since the Quest OS is based on Android, I expected publishing my app would be as easy as on the Play Store. I was wrong. Web upload is broken My first step was to head to https://developer.oculus.com/manage and create an app. Then I proceeded to the

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Using git in Unity

This works whether or not you are using GitHub. 1. Get the free GitHub for Unity package on the Asset Store. Despite the name, it works for Git as well. 2. In Unity, import GitHub for Unity into your project. 3. Open Window, GitHub. 4. In the GitHub window, click

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Using GetComponent with interfaces in Unity

In my new game, I have a GameManager that instantiates enemies. I'd like my enemy prefabs to all share a common IEnemy interface. How do I make my GameManager use the interface instead of the concrete Enemy type? My starting code is this: public class Enemy : MonoBehaviour { ... } class GameManager { public

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How to trigger OnTriggerEnter on a parent from a child's Collider in Unity

I am a total beginner in Unity, so I don't know why it works or how obvious it might be to seasoned developers. But with some trial and error, here's the simplest setup I've found that will make a parent trigger OnTriggerEnter when a child's Collider collides with something else:

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Unity Cheat Sheet for VR

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Using Korean characters in TextMeshPro in Unity

Best method Courtesy of this answer: 1. Download the Korean font. For example https://fonts.google.com/specimen/Noto+Sans+KR. 2. Import the .ttf font files into your Unity assets. 3. In the assets list, select the font you want to convert. 4. Press Cmd+Shift+F12. It generates

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Publishing a game made in Unity to the Play Store in 2022

Up till now, my game was still on the default platform: Windows/Mac OS. In order to turn it into a mobile phone, I need to switch the platform and support mobile input, then publish it to the Play Store. I've actually done it before in this post, but this

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Spacing out objects evenly in Unity

In my latest game, I wanted to place windows evenly on a building. I had a window prefab, and wanted to place dozens of them. Sure I could Cmd+D and duplicate them, then input their X and Y values manually, but I figured there should be a faster way

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Snow effect in Unity

I am making a game where you are supposed to sweep snow off the floor to protect passersby. Let it snow Tiny Spheres with RigidBody My first idea was to make a tiny sphere called Snowflake. I made it white, gave it a Rigidbody and a large drag to make

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Publishing an asset on the Unity Asset Store

My goal is to make reusable components that I would reuse throughout most of my games. Sign up as a Publisher I went to the Publisher sign up page, and filled out the required info. As usual, I used the tools at http://blog.wafrat.com/beginning-android-day-1/#publishinganapp to make

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Simulating touch events in Play mode in Unity

This should have been easy, but it really wasn't. I wish the information was more prominently displayed in the Unity docs and tutorials. How to do it * Go to Window, Analysis, Input Debug. * In the Options dropdown, check Simulate Touch Input From Mouse or Pen. * The Simulated Touchscreen will be

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Publishing a game made in Unity to the Play Store

There is a tutorial on how to publish a game made in Unity to the Play Store on Unity Learn. Here's how it went. Publishing for Android - Unity LearnUnity includes a built-in publishing feature that allows you to publish to various popular platforms in an easy and efficient way.

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Making the UI resolution dependent in Unity

The UI on my phone was tiny compared to when I ran it on my computer. Also even though I haven't tried on other devices, I figured results might differ widely depending on their resolutions. It's actually possible to make resolution independent UI. As explained here, select your Canvas element

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Migrating TMPro to Unity's new Input System

After installing Unity's new EventSystem, my UI broke. It turns out I had to click the "Replace with InputSystemUIInputModule" in each scene's EventSystem. But I realized that only after deleting the EventSystems. To have a default EventSystem remade, I uninstalled and reinstalled TMPro. After reinstalling, I added a TMPro button,

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Fixing adb server version (41) doesn't match this client (40); in Unity

Earlier Unity suddenly started to refuse building and running on my Android phone. The error message was this: * failed to start daemon error: cannot connect to daemon UnityEditor.Android.CommandInvokationFailure: Unable to list connected devices. /Applications/Unity/Hub/Editor/2019.4.18f1/PlaybackEngines/AndroidPlayer/SDK/platform-tools/adb devices stderr[ adb

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Unit Testing in Unity

I am developing a mobile game in Unity, and it was getting really hard to test it manually. So here's how I introduced unit tests to speed up development. Developing for Desktop vs Mobile On desktop, you can get away without unit tests because of how fast you can play

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Version Control in Unity

There are several ways to do version control in Unity. What works for me is the regular git command line. Here's my workflow. Available options There is a full "mission" on Unity Learn on how to do it. Version Control and Optimization - Unity LearnWelcome to Version Control and Optimization,

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Architecture of an FPS in Unity

The FPS Microgame is a FPS template for learning Unity. In this post, I'll explore the project to understand how things are made. This will help me make my own games later. This is a work in progress. FPS Microgame - Unity LearnThe FPS Microgame Template is a 3D First

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Shaders in Unity

Shaders let you create cool effects like dissolve, energy shields. There are a few ways to use them: * Use an asset pack. For example I have used this asset in one of my project for its great looking energy shield. * Make one with Shader Graph. See https://www.youtube.com/

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Unity Cheat Sheet

I started learning Unity for fun, and I've decided to keep useful snippets here for future reference. Free Assets * Create with code series: low-poly vehicles, animals, foods, props, sky dome, fonts... After importing, you'll have to update Package Manager to avoid some compilation error. * Standard Assets: terrain, trees, models... * SpeedTree: