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Fixing `An exception has occurred in the compiler (1.8.0_242-release)`

Today my Flutter project failed to compile with the following error: An exception has occurred in the compiler (1.8.0_242-release). Please file a bug against the Java compiler via the Java bug reporting page (http://bugreport.java.com) after checking the Bug

Automatically manage iOS certificates in XCode

Last time my signing certificate had expired, I regenerated them manually, as described in this old post. This time I tried to let XCode do it by itself. I checked this option. Then it had me sign into my Apple Developer account. After a

flutter

Fixing `CocoaPods could not find compatible versions for pod "flutter_facebook_auth"`

Today Flutter failed to compile my app to iOS with the following error: % pod install Analyzing dependencies cloud_firestore: Using Firebase SDK version '8.14.0' defined in 'firebase_core' firebase_analytics: Using Firebase SDK version '8.14.0' defined in 'firebase_core' firebase_

flutter

Fixing `The unauthenticated git protocol on port 9418 is no longer supported.` when running `flutter pub upgrade`

This morning, when I did a flutter pub upgrade, GitHub returned the following error: Git error. Command: `git fetch`) stdout: stderr: fatal: remote error: The unauthenticated git protocol on port 9418 is no longer supported. Please see https://github.blog/2021-09-01-improving-git-protocol-security-github/ for more information.

blender

Making a procedurally generated medieval city in Blender 3.1 with Geometry Nodes (part 2)

In the previous post, I described two approaches to building the medieval city, which consisted in extruding floor plans. It worked but was quite restrictive in what kind of houses we could produce. In this post, I'll describe the third approach, which consists in

blender

Making a procedurally generated medieval city in Blender 3.1 with Geometry Nodes

I was watching some anime the other day and there was a scene where the protagonist enters the city of Babylon. They are astounded by the sheer scale of the city. Inside the walls, you can see huge avenues, countless homes and buildings. And

blender

Scaling individual faces in place with Geometry Nodes in Blender 3.1

Recently I saw a YouTuber show how they scale individual faces in place using Geometry Nodes. This post will refine the method. ApproachThe key point is to first make each face standalone by using the Split Edges node. Then we can scale each face

blender

Voronoi pattern with Geometry Nodes in Blender 3.1

In my latest project, I wanted to build a city and layout avenues and streets. I thought a Voronoi pattern would make for realistic layouts. Even though there's no Voronoi pattern node in Blender, there's a way to make something similar. InspirationI found the

blender

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

blender

How to delete a texture or animation in Blender

It's easy to create a texture. Click "New" in a field that accepts a texture, and it creates one with the default name "Texture". However, deleting them can confusing. If you click the X next to it, it won't actually delete it. X doesn't

vr

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. ObjectiveMy goal is to show the player body in a way that's believable, while minimizing the amount of work and

Driving characters with Inverse Kinematics in Unity

Inverse Kinematics is a mechanisms in Unity where you specify constraints, such as where hands should be, or where the head should turn towards, and Unity computes the rest of the body's limbs to satisfy those constraints. Before reading this post, you should try

vr

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

vr

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

vr

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 brokenMy first step was to head to https://developer.oculus.com/manage and create an app.

unity

Using git in Unity

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

unity

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

unity

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

vr

Unity Cheat Sheet for VR

This is similar to my previous Cheat Sheet for Unity post. This time the topic is VR. Source: https://learn.unity.com/course/create-with-vr.https://www.youtube.com/c/VRwithAndrew/playlists.Setting up a VR project from scratchWhere in the world is the XR

unity

Using Korean characters in TextMeshPro in Unity

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

unity

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

unity

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

unity

Snow effect in Unity

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

gaming

Game performance by GPU

With tens of new graphics cards and games coming out every year, it's really hard to keep up. Which cards can run which games, and at which resolution? This is a follow up of the graphics cards comparison I wrote about last year. I'll

vega

How to set up dropdown options dynamically based on data in Vega

The short answer is there is no way to make the dropdown options refer to a data field. So let's look at the long answer. Here's my issue. I have a table of names. I want to display those names in a dropdown for