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Questions tagged [unreal-4]

Unreal Engine 4 is a professional suite of tools and technologies used for building high-quality games across a range of platforms.

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21 votes
2 answers
5k views

Is it possible to use the Unreal Engine as a big C++ library, without using the editor?

I want to write a game entirely in C++, but I would like to profit from the possibilities offered by the Unreal Engine, especially in terms of graphics and physics. Nevertheless, I strongly dislike ...
Blackhole's user avatar
  • 343
5 votes
4 answers
17k views

Why do I get a blank material in Unreal Engine 4?

When I'm adding a material to a box in UE4, the material loses its textures. I want to add this material To this After I'm trying to drag & drop the material into the scene above (like in UDK) ...
balintpekker's user avatar
3 votes
1 answer
685 views

Very large terrains in Unreal-4

I was watching some YouTube tutorials on making terrains in UE4 and in each one they mention that the larger the terrain the worse the performance gets. I was wondering what you would do if you wanted ...
Matty2532's user avatar
1 vote
1 answer
3k views

Excluding geometry from a shadow casting light in deferred rendering

Is it possible to exclude geometry from a particular shadow casting light in a deferred rendering pipeline? If yes, can it be done correctly or are there limitations? This is mainly to reduce the ...
Samaursa's user avatar
  • 2,089
1 vote
3 answers
1k views

Unreal modular character tutorial errors

I'm trying to follow the modular character tutorial for Unreal from this link Specifically the mesh merge portion. How ever the code that is provided seems to not be working. For example when I add ...
Uri Popov's user avatar
  • 3,027
1 vote
1 answer
670 views

Making only parts of a mesh destroy in UE4

I am making a 3d, 3rd person shooter game where I want everything to be destructible. UE4 makes this possible by making meshes destructible, but the problem is that when the mesh is damaged, it ...
GuPe's user avatar
  • 77
1 vote
1 answer
895 views

UE4 crashing after compiling, anyway to fix?

I'm working on a small game project and made a completely noob mistake and don't have a back up. Well, after compiling my most recent c++ code, the engine crashed. And now every time I try to reopen ...
ethan codes's user avatar
1 vote
1 answer
175 views

Changing rendering in UE4

Is it possible to have Ue4 render the graphics with a black line around everything similar to a cell shaded style, or would that require models specifically prepared for that purpose?
Terry's user avatar
  • 129
0 votes
1 answer
517 views

Way to store object reference?

I have a project where a minion overlaps the tower. Needless to say, the problem occurs when more than one minion overlaps the tower at the same time. It turns out I've figured out how to go through ...
Boneco Sinforoso's user avatar
0 votes
1 answer
381 views

Error detecting collision with another instance of the same actor?

I have a project where after a certain time interval 2 NPCs are generated in different locations on the map. Each of them collides with a collision box that defines its "class" (red or blue): When 2 ...
Boneco Sinforoso's user avatar
0 votes
2 answers
7k views

How to make an action perform only after an animation has run?

I have an actor who has some animations. Animations perform based on some actor states (animation blueprint of actor): Conditions at the Event Tick (similar to while loop): The actor changes ...
Boneco Sinforoso's user avatar
0 votes
1 answer
947 views

How to make my character walk by clicking and holding the mouse button?

I created an Action Mapping using the right mouse button as a reference. The Action Map is called "Andar" (walk in english). In the character code, I call this Action Mapping and in it I make the ...
Boneco Sinforoso's user avatar
0 votes
2 answers
2k views

How to create smoke that spreads outward in all directions?

I saw many tutorials about smoke grenade but they just use volumetric smoke. I want to make something like the smoke grenade in PUBG, where the smoke spreads in all directions; how to do that? The ...
Lord722's user avatar
0 votes
3 answers
3k views

How do one NPC follow a succession of target points?

I have a project that contains 1 NPC (AI) and 2 target points. In the project I can make the NPC follow any of the 2 target points, but I can not get it to follow target point 1 and then target point ...
Boneco Sinforoso's user avatar