Newest Questions
57,711 questions
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How to model tic-tac-toe as a Model View Controller Pattern in JavaFX?
I wrote a Board.java class which
draws the initial board
draws the Reset button
draws the label to indicate whose turn is it
In the Main class:
I initialized a Pane.
Initialized the Board's board ...
- 101
12
votes
1
answer
1k
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Destroying the parent when all children are destroyed
I have a spell system where a the spell is a self-contained game object handling all the logic. When done, it destroys itself. This works great
Then I added a second game object handling animation, ...
- 5,012
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votes
0
answers
14
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Controlling a material attached to a Post Process Volume's opacity in Unreal 5.5.1
I'm trying to create a Slenderman-style TV static effect in Unreal Engine 5.5.1, where the effect slowly fades in as you're looking at Slenderman. I'm using an unbound Post Process Volume with the ...
0
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1
answer
108
views
How to make enemies spawn off-screen in Godot 4.5?
I am trying to make a game using Godot 4.5 where enemies spawn off-screen, but I faced this bug where they spawn on-screen instead:
The white squares are the spawned enemies and the red is the player....
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1
answer
122
views
In game engines and 3D rendering, which coordinate system results in the least amount of operations to transform and render scenes?
I understand this is a slightly esoteric question, but its something I've constantly asked myself over and over when using various 3D design tools and game engines.
In what way should models be facing,...
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1
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82
views
Does it make sense to use a compute shader with Dispatch(1,1,1) and Numthreads[1,1,1] to draw a cone?
I was working on this idea of drawing a cone rotating on the y axis with a parametric equation, using a compute shader with a function like:
...
- 331
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0
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38
views
How to implement a bilateral filter in a shader?
I want to implement a bilateral filter because I have read the it preserves the edges. The equation is given as:
$$ BF\left[I\right]_p =
\frac{1}{W_p}\sum_{q\in S}
G_{\sigma_s}\left( \left\Vert p-q \...
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2
answers
116
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Do GPUs re-draw a all of a character's vertices/triangles/fragments every frame?
I'm a beginner in game programming and I want someone to confirm my understanding.
Let's say there's a 3D model for a character in the game. This character is made up of triangles. Each vertex in ...
2
votes
3
answers
186
views
How are deltatime overshoots typically dealt with--or are they dealt with at all?
So I was implementing deltatime adjustment into a game when I thought of this problem. Consider a control case, with no adjustment for framerate:
Here, our character jumps up to a max height of 12.5 ...
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39
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Coding a health and stamina bar above player in Adobe Animate
I am using Adobe Animate for my school assignment.
I have a three-segment health and stamina bar that is above the player (it isn't set to be attached to the player yet).
I have a single enemy ...
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1
answer
58
views
Is an assumption of Welzl’s algorithm valid?
The stated assertion that a point outside some intermediate Minimum Enclosing Sphere is on the boundary of the final Minimum Enclosing Sphere seems unsupportable. It is true only for the first point ...
0
votes
1
answer
42
views
Animation can't disable gameobject
I'm using a very basic animation to create a transition, which involves deactivating a gameobject on the last keyframe.
Goal:
The ChangeRound animation is about 1 second long. It enables the UI image ...
- 231
3
votes
1
answer
122
views
What’s the correct / idiomatic way to pause a game in Unity?
I'm trying to implement a robust pause system in Unity and I'm confused about the correct approach. My first (very simple) implementation in my previous project used a ...
- 231
1
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0
answers
32
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Sign out of Google Play Services through code
In the Unity engine, I am using GPGS as a token to log in via Google sign-in. It works, but now I have another issue:
As of the last update of the SDK 2.1., this method in PGS for Unity is deprecated:
...
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0
answers
22
views
Can Godot's AnimationTree blend multiple skeletons using Animation Playback Tracks?
I have a setup in Godot with two different skeletons for male and female models. The skeletons are different because the proportions are different, but I want to use the same animations on both.
Both ...
- 1,031
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3
answers
134
views
How do big open worlds handle Object Pooling?
Object pools are great. They are fun to make, save you a lot of memory and fps.
But as my projects grow in size and complexity it gets harder and harder to work with them. If you only have a couple of ...
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1
vote
1
answer
46
views
Can't get a Prefab to scale down accordingly inside a Container
I have a prefab with some fixed sizes on itself and its elements:
Then added a Aspect Ratio Fitter and a Preferred Height:
.
When using that prefab from a container with Horizontal Layout Group with ...
- 111
1
vote
0
answers
21
views
Halftoning Multipass HDRP Unity
I am pretty new to rendering, and I wanted to add a black and white halftone effect. I wrote the two shaders and created the materials (pass 0 to create mask and pass 1 to mix it with the scene). They ...
- 11
0
votes
1
answer
35
views
Godot Multiplayer Player Doesn't Spawn
Godot Version
4.5 Stable
I'm trying to create a multiplayer game. Since this is my first multiplayer game I started with a simple LAN setup.
How it is supposed to work:
When ...
- 59
0
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0
answers
19
views
How to set only the yaw in Transform (Modify) Bone node?
I'm trying to modify the hips bone as to make it fixed at one global yaw rotation but the "Transform (Modify) Bone" node only has the option to modify all 3 Roll, Pitch & Yaw:
Is there ...
- 151
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50
views
Storing reference of delegate in pointer
I have multiple different classes which need to perform the same complex operation
So to keep my code dry, I'm using a manager object which requires a delegate for the complex operation
Here's a ...
- 151
1
vote
0
answers
49
views
How can I integrate a library that expects backend events into my own event system?
I'm using SDL2 in my game engine and have created custom event types that use the data from SDL_Event. This works well within my own code, but it becomes ...
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0
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44
views
How to integrate QML UI into a custom Vulkan renderer without using a separate window
I'm developing a custom Vulkan renderer and want to integrate a QML-based UI into it.
I already have a working Vulkan setup and also managed to render QML over Vulkan using a separate ...
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0
answers
114
views
How do I render points in 3d space given spherical coordinates?
I have a 3d renderer I'm working on, and I need to know how the specific details of the human eye so I can project that to a coordinate, what is the math that does this given spherical coordinates and ...
0
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1
answer
70
views
Can PNG format be used for alpha channel-packing for URP shader in Unity engine?
Note: I intend to use only the Inspector window to use all textures, not Shader Graph or Nodes or any custom scripts. Also I might use some technical terms incorrectly by mistake, as I'm not much ...
- 103
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2
answers
105
views
When should an object with a collider have a rigidbody?
I had some questions about Physics / Rigidbody in Unity.
I have a 2D sprite with a collider. The 2D sprite is simply a card that I place on a table with the mouse. I use the collider for raycasting (...
- 231
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1
answer
111
views
Weird artifacts after baking in Unity
I am trying to bake a scene with these settings:
and getting artifacts like squares and noise on walls:
I did try to solve it for quite a while, checked this whole documentation, tried higher number ...
1
vote
1
answer
54
views
D3D11 type conversion rules
My understanding is that, in general, we can supply data to the GPU in some format (in D3D, as defined by DXGI_FORMAT_xxx) and it will be implicitly converted to ...
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44
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How to detect which physics body of skeletal mesh has overlapped?
I have a skeletal mesh with a Physics Asset assigned to it as such:
This skeletal mesh is used within an ACharacter with collision settings as such:
And an actor which has the overlap event as such:
...
- 151
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1
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59
views
Rendering Sprite from tightly packed atlas onto RenderTexture
I'm currently working on a Unity BepInEx Plugin that should allow users to customize certain textures in the game. As part of this, I need to extract sprites from a sprite atlas into individual ...
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0
answers
61
views
Applying greyscale shading to objects in a Python 3D renderer
I need help with how to apply greyscale shading to objects in a 3D renderer I made in Python. The code is pasted below:
...
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2
answers
119
views
Why is my rigidbody not moving when I press the buttons? I can't see any reason it shouldn't
The "Car" in question is a plane. The question is pretty self explanatory.
Here's the Car in the Hierarchy:
Here's the car in the inspector:
And here's the PlayerMovement script:
...
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0
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40
views
Can a single large SSBO in vulkan store different types of structs?
I was using tinkering with vulkan and was wondering if a SSBO can store a mix of structs of different kind like shown in picture and pass offsets of the said structs to access them in shader.
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1
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68
views
Difficulties for GPU rendering of a cone using parametric equation
I'm trying to render a cone at the gpu for some effects. I'm using the parametric equation provided here. I ended up with the shader below intended to work with an unorderedaccessview target (DX11). I'...
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vote
1
answer
86
views
Drawing textures to a RenderTexture + rotating in 90° intervals
For context: I am currently working on a BepInEx Plugin for the Unity-based game Hollow Knight: Silksong. The goal is to be able to replace the base game sprites with custom ones. The game uses Sprite ...
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1
vote
1
answer
61
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D3D11 batching with texture arrays
When employing texture arrays how does typically communicate the associated indices when rendering to batch as much work as possible per draw? The only approaches I can think of are:
Supply texture ...
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1
answer
73
views
How to make volumetric scanning effects
I have an effect where a character has a small tool that emit a sort of scanning effect to detect some property of an object. My FX is simple as it uses a pyramidal mesh whose top is positioned where ...
- 331
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0
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41
views
How to handle draw events without synchronization issues
So in my game I'm using a message queue for everything, very similar to an event manager or event queue pattern. I've seen that lots of people use them, and they decouple when the event fires and ...
- 113
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votes
2
answers
80
views
How would I make a "slideshow" cutscene?
I'm making a 2D game using Unity and I want to implement cutscenes that change over at certain lines.
...
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1
vote
1
answer
92
views
Is there a way in Unity to detect which gameobjects are making it take longer to enter/exit play mode?
I have a scene with quite a few gameobjects in it and for the first time since using Unity, when I enter/exit play mode (or even close and reopen the scene) it takes about a minute to complete this. ...
- 1,789
-1
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1
answer
127
views
How to promote an indie game on Android?
I have developed my first indie game (space survival genre) for Android phones, and I want to ask: which promotion channels are best to start with?
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86
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FPS improves when parents of skinned AI are disabled before play, but not when disabling them during play
I am playing a scene in Unity editor. If I play the whole scene, the FPS is 125.
Next, there are 2 test cases.
Case 1: If I disable some big game objects first, and then play the scene, the FPS is ...
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1
answer
144
views
Rotation and unique identification
My question relates to content rotation and data management of the emerging objects in a database.
I assume a networked game, with a server-client model. Unspecified objects in the game world are ...
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1
answer
103
views
Why does early z not work with fragment shaders using discard
I am currently trying to understand why using discard inside of a fragment shader disables early z.
I am using a simple cutout shader, which discards fully ...
- 53
1
vote
1
answer
104
views
Objects move with different speed on different devices
I was making a 2d top-down game, but when I tested it on two devices (Samsung M31 and Samsung S25) there was a problem with player speed - it was faster on S25 and slower on M31. I tried using some ...
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2
votes
1
answer
78
views
How to switch to a testing branch for a DLC in the Steam client?
I created a password protected branch for my DLC in Steamworks under the DLC app page / Steamworks / Builds.
How can I switch to this branch from the Steam client?
Going to my game / Properties / ...
- 121
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vote
1
answer
82
views
Phong shading: missing specular lighting, skipped face
I'm implementing my first rasterizer, and I've run into a 2 issues with Phong shading that I have no idea how to debug. First, specular lighting seems to be completely missing. Second, there is an ...
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103
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How is 2.5D achieved with 3D Objects in a 2D scene?
I would like to make a 2d top down scene with 3d Objects. I could make a 3D scene and just tilt the camera 45 degrees on X and that would give me basically the same thing(I think). But I started with ...
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1
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48
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How to Render Moon Phases from a Texture2D in Unity Using a Script?
I have a Texture2D of the Moon, and I want to render different moon phases so that it visually matches the examples shown here Celestial Programming : Moon Phase Image Rendering, I've tried several ...
- 189
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0
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53
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LootJS/Forge GLM injecting items fails due to mod-internal overwrite (Apocalypse Now/Lost Cities)
I am trying to have modded items in the chests of lost cites mod, and there is this problem I am facing, in which a mod called Apocalypse Now automatically injects its mod items into the chests ...
