Unanswered Questions
672 questions with no upvoted or accepted answers
9
votes
1
answer
1k
views
Using PhysX, how can I predict where I will need to generate procedural terrain collision shapes?
In this situation, I have terrain height values I generate procedurally. For rendering, I use the camera's position to generate an appropriate sized height map. For collision, however, I need to have ...
CommunityBot
- 1
6
votes
0
answers
213
views
How can I create a set of collision points for an arbitrary mesh?
In my project I am working on automatically deforming an arbitrary mesh with respect to another arbitrary mesh, within the context of user generated content, similar to this deformer being developed ...
CommunityBot
- 1
5
votes
0
answers
808
views
How to get UE4 to correctly put my bundle identifier for iOS projects?
Each time I create a new project UE4 adds a generic bundle identifier to the iOS platform settings, that I always have to change to com.myname.[PROJECT_NAME] in ...
- 981
5
votes
1
answer
184
views
How can I determine "exact moment" of collision with ray casting?
I'm currently brainstorming how the physics for my game engine is going to be handled.
It's top down and I'm thinking of using ray casting for collision detection.
I've reached two potential problems (...
CommunityBot
- 1
4
votes
0
answers
173
views
Support function of Minkowski Difference
I am watching this and if you stop at 7:25, you will find an implementation of the support function. The goal of the function is to give you the farthest point in a given direction. My question is how ...
- 121
4
votes
0
answers
314
views
Determine user mouse selection of 3D Object for multiple viewports
I am currently working on setting up some world objects for my level editor and am running into a bit of a snag. When I get the hit location from the mouse raycast, I would like to determine what part ...
- 1,801
4
votes
0
answers
181
views
Understanding unknown mesh data structure
I have a large number of old mesh files in a custom, undocumented binary format. I have managed to parse almost everything but am left with one group of structures, described below, that I don't ...
CommunityBot
- 1
4
votes
0
answers
180
views
How can I connect multiple explorable regions into one large map?
I am planning a 2-D science fiction game involving spaceships. A major thing that I am having trouble figuring out is how to create a 2-d array of smaller maps that the player can explore.
My ...
- 73.5k
4
votes
1
answer
356
views
Correct order of entity updates and collision detection
I'm trying to simulate a number of units walking in a single file. My update loop looks like this:
...
CommunityBot
- 1
4
votes
0
answers
489
views
Adjust the Camera Viewport Rect in Unreal Engine
Am new to Unreal Engine. I want to adjust the Camera Viewport Rect so that the camera will render to half of the screen. This is achieved in Unity by changing the Camera Viewport Rect property. How ...
- 1
3
votes
0
answers
1k
views
Wall sliding collision resolution with multiple objects
TLDR
My collision resolution algorithm with wall sliding works perfect for multiple walls but it fails when the angle of the corner of two walls is less than 90 degrees. (acute angles) and the player ...
- 135
3
votes
0
answers
2k
views
Unreal Engine 4.25.4 - CreateDefaultSubobject inside a child component attached to an actor loses values in blueprint editor
I have the following actor:
...
- 257
3
votes
1
answer
182
views
Creating a victory zone / Count units inside zone
So I am attempting to create a zone implementation where if the amount of units with a certain tag exceeds the number of units with another tag an objective will be captured standing in the zone will ...
CommunityBot
- 1
3
votes
0
answers
246
views
How can I make a tendril flame like aura visual effect?
I am a bit new to UE4 and I'm trying to get a tendril flame like aura like the picture below.
Does anyone know how I would go about this?
Should I use post processing or particles?
- 13.3k
3
votes
0
answers
215
views
How can I implement slow motion for one player in multiplayer?
Special attacks in Mortal Kombat Mobile require slow motion i.e. delay in game play.
On multiplayer mode, when the opponent uses special attacks, I don't observe any lag/delay.
When I use special ...
- 1