Questions tagged [debugging]
Debugging is a methodical process of finding and reducing the number of bugs in a game, thus making it behave as expected.
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See connected signals for instantiated Node while in Debug mode
I'm trying to debug an issue with my game, where the function that should be connected to a signal is not being called. I have a created minimal repro of the situation by:
Create a fresh Godot 4 ...
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Tessellation shaders not working, no objects drawing on screen
Using this tutorial https://learnopengl.com/Guest-Articles/2021/Tessellation/Tessellation and this tutorial https://www.youtube.com/watch?v=21gfE-zUym8 I implemented tessellation shaders that I haven'...
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Respawn Player to Respawn point when colliding with a Hazard
I have grid movement set up for the player within a set space. The player moves one unit at a time and can move several units when holding down a direction key. I would like the player to respawn back ...
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No vertex shader bound at draw?
I tried asking this on reddit but I didn't get any answers so I might as well try here
So I'm making a program to generate some terrain and it's not giving me the results I expected. It's drawing ...
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How to debug Unity/mono code on Linux/VsCode
I am new to Unity and I have been fighting with VSCode and debugging.
I am trying to attach a debugger to Unity to test some code that run in the editor without running the app ( kind of Unity ...
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Determine line that threw an Exception using Android Logcat
I just installed Android logcat to debug my game from Unity's package manager. I don't fully understand how it works or in what order the logs are shown relative to my code.
The problem I have is that ...
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How to check which code has destroyed or disabled a GameObject?
In legacy code, I need to check what caused the game object to be destroyed, disabled, etc.
Is there any way to trace or to place a breakpoint to check the call stack for why the game object became ...
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Why would Nintendo (or any game developer) compile their final retail game with "debug" symbols enabled?
I read this: https://zelda64.dev/games/mm#why-is-majoras-mask-so-far-behind-ocarina-of-time
Retail versions of both games are compiled with -O2 -g3. -g3 is a debugging flag that includes far more ...
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How do I debug multi-touch for a Unity on Android platform?
I'm trying to implement multi-touch in my game but there are many bugs so far and I need a way to get info on all of the touches as the game is running. So far I haven't found any way to do this.
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Are there conventions on what exactly to log in a game?
I am currently developing a game in C++, using SDL2. For logging, I wrote this Log class:
Log.h
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Gizmos disappear after a scene transition
I have used OnDrawGizmos function to draw some cubes. If I run the project from that particular scene, the gizmos are visible. But after a scene transition they disappear. It appears again if I select ...
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How to inspect child nodes in IDE debugger?
Consider an enemy with this node hierarchy:
* KinematicBody2D (Enemey)
|- Sprite
|- CollisionShape
|- Area2D (StompDetector)
|- CollisionShape2D
With signal ...
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Gizmos not being drawn until GameObject selected
I have implemented Scene loading in my game and have three scenes: Persistent, Main Menu and ...
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How to get the source code for a game?
I read here a spectacular story of someone (scrappily) fixing some things in a game's source code, making it load 4 times faster!
How did the developer get the source code in the first place? Is there ...
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Is it possible to debug shaders in GLSL level instead of assembly language level?
I'm writing some Vulkan code and write my shaders in GLSL.
I tried to use Renderdoc to debug my shaders, but I only got disassembly code.
Is it possible to debug shaders at the level of GLSL if I have ...
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How to draw unity gizmos with new input system?
I am using the new Unity Input system for my game.
When I press a key, for example "Q", I want gizmos to be drawn.
However, I can't subscribe to a keypress event with a Gizmo drawing ...
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Why do Dynamic Bones disconnect natural flow if they have ANY child gameobjects?
I've been having an issue for months now where if I have a dynamic bone chain that splits off in any way (ie. any of the chain's bones have child gameobjects), then the flow of the dynamic bone chain ...
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Help with moving object to mouse position
I'm trying to make an object follow my cursor using raycasting. I'm creating the raycast each frame and checking the player's distance from the hit and whether or not the hit landed on an object ...
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How to find a culprit BP from memory address in VS debugger causing build error messages in UE4?
I am trying to build out my project, but I keep running into a nasty error message about a BP reroute node... :(
It compiles all of the 1000 shaders and everything and just before it would finish it ...
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A Native Collection has not been disposed, resulting in a memory leak. Enable Full StackTraces to get more details
A Native Collection has not been disposed, resulting in a memory leak. Enable Full StackTraces to get more details.
In working on saving to file the ...
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Why my code changes don't take effect in editor UE4?
I have a plugin in my project to move around stuff with gizmos(much recommended tool, by the way).
It has quite a few blueprint functions that I use.
I would like to add some functionality to it, ...
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Unity build fails to load anything
I made a build of my game, which is running just fine in the editor. But when I run the build, I get the splash screen, then a black screen. No graphics, no sound, no response to any input. (...
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debug unreal engine c++ - how to run in break mode
I have a number of things not working properly with my FBX imports and I would like to understand how FBX imports work internally. Now, I am noob in software development, so how do I debug the ...
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How do I debug within an animation loop?
I'm trying to see some values within an animation loop, and am naively just console.log'ing when I need to, however, this usually results in the browser crashing ...
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How can I debug a GameObject's rotation?
I have a model of a dragon, with an animation of it flying. When I play the animation in the Animator's preview, the dragon flies in a straight line, but when I run it in-game, it flies around in ...
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How do I debug OpenGL apps written in python?
How do I debug OpenGL apps written in python? I tried but I was unable to use standard tools like nvidia nsight or glsl-debugger or renderDoc on python code.
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Third person and LineTracing C++
Problem
I have a crosshair in the middle of the screen.
I need to create a lineTrace that passes straight through this crosshair.
As this is a third person game,...
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How can I fix sprite vibrating randomly which is moving towards the mouse while using camera.position set to the sprite as the center?
So, when I use
camera.position.x = player.x;
camera.position.y = player.y;
to set the center of camera to my sprite, the code doesn't work as intended to. It's ...
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Unity build does not launch and leaves no logs/errors
I have released my first title Audio Infection ( https://store.steampowered.com/app/911580/Audio_Infection/ ) for a bit over a year ago. Recently 1 user has so far encountered an issue where the game ...
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Running Unity development build in Android emulator without signing
I am working on project with a friend who uses Windows while I am using Ubuntu. We are using Unity collaborate and it's going fine except when we want to build.
The keystore is in his filesystem, <...
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How to debug shaders running on Android 4.x devices?
I have tried some of the existing inspectors such as RenderDoc and gapid, but none of them can be used with Android 4.x. Latest version of gapid requires Android 6.0 and RenderDoc requires Android 5.0....
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How to figure out what's moving my GameObject?
I have a GameObject as part of a complex scene with a handful of interconnected parts, that's moving when it shouldn't be. I've tried running under the debugger and setting breakpoints on all of the ...
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how to generate mipmap, and check if done properly?
i am implementing Mipmapping for my texture for the first time.
i have 2 questions
HOW TO CHECK IF MIPMAP IS DONE PROPERLY ?
HOW TO SET MIPMAP FOR TEXTURE FROM FILE ?
First one. i implemented ...
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Set-up Android SDK path to make Android remote work in Unity
I am using the Unity 2019.1.12. If I go to Edit > Preferences... > External Tools it says that the Android SDK Tools Installed with Unity (recommended).
Now I downloaded the Unity Remote 5 to my ...
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Unity get component throwing NullReferenceException only in standalone build
I'm having a very frustrating issue with GetComponent().
...
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Bizarre Physics FixedUpdate Lag spikes
So I have this large forest of around 2M tris:
Same chunk selected with view on the whole level:
It's been generated within Blender and exported as fbx into Unity. Exporting each tree as an ...
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Problem with Rotation clamping in Unity
I'm trying to get a simple cannon to rotate to point at the mouse, but I only want it to follow the mouse for 180 degrees and then stop following the mouse, and pick up again when the player re-enters ...
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"Unfortunately game has stopped" error on Android device
In Unity 2018.4.3f1, I am able to build my APK successfully, but when I try to launch it on my mobile device, it shows: "Unfortunately game has stopped".
I don't know the problem is. Here are the ...
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objects disappear before time
I created a little pool in order to better manage my enemies, to which, an enemySpawner object calls to retrieve a clone and show it on screen
...
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Windows 10 GPU Engine Performance Counters - Phys / Eng Meaning
For performance tracing of intermittent degredation in performance I wanted to use the Performance Counters available in Windows 10 1809 under GPU Engine -> Utilization percentage. This particular ...
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Fixing error(23, 2) Error parsing expression, misplaced: func
When I try to use the GDScript code below, Godot gives me the error:
error(23, 2) Error parsing expression, misplaced: func
Why am I getting this error, and how can I fix it? Is there another ...
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What is wrong with this particular code?
I have to correct this code without changing the structure. Cannot seem to figure out what's wrong.
missiles is an array of ...
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How can I debug my game on mobile device?
I've been creating this game on my computer for months and everything works fine. But when I built the project and installed it into my android device, it doesn't run as smoothly. I don't wanna use ...
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Player light color he collects before checkpoint is getting reset when he restarts at checkpoint
I have a child object for my player called Light. The light color changes when the player touches balls of different colors.
When I respawn at a checkpoint, the light is getting reset to the default ...
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Instantiate an object and translate it randomly
My goal through this code in C # is that each time the player presses the Q I create a cube at a fixed position given by another object, then begin translating it in a random direction. ie.
first ...
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How to find the source of a memory leak in a Blockchain + Node.js game
We have been working in a Node.js game, part of a game network, which seems to be working slower and slower as you keep it open, as well as it seems to increase the RAM and CPU usage over time.
We ...
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How can I debug a black screen when testing on a device?
I have made an Android game with Unity. But, when I opened my game, I see a black screen and a closed game.
It works on a tablet but does not work on mobile phones. I tested it on 2 mobile phones.
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Can I run a script and generate warning when Unity project is saved?
Context:
I'm working with Unity using Git and we have .gitignore setup so that we could create "_local" folder anywhere in Assets and it won't be commited. It makes for kind of a Debug/Backup folder, ...
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