Questions tagged [c++]
C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.
4,360 questions
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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 ...
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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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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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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:
...
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How to properly change resolution dynamically in SFML?
I am working on creating an options menu through which I can change resolution and toggle full screen mode. I am allowing only those resolutions that have aspect ratio 16:9, as my game was originally ...
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Specifying a "default value" for parameters when binding functions to delegates?
Let's say I have a class UFoo which has a dynamic delegate myDelegate with no parameters. I cannot modify the contents of ...
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Hashing gradient vector and unshuffled permutation table in perlin noise generator
I'm implementing perlin noise in C++. I have a permutation table for the gradients vectors and want to shuffle them with a 2 number hash that has 2 purposes. The hash uses the integer portion of the ...
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How to format a godot::String with an array parameter in a gdextension?
I'm writing a gdextension and trying to format a string using an array as one of the parameters.
Example:
...
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How does real Perlin noise work?
I find lots of articles but they cut parts out to simplify the process. I am trying to write a function to generate real 3D Perlin noise without skipping steps like averaging the 4 corners ray somehow....
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Voxel Level Storage
I want to know some methods of storing the voxel data in a game like Infiniminer or Minecraft in a C++ program. What file types can do this easily? The voxel values will be big possibly a trillion by ...
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AABB algorithm in C++ no vec3 [duplicate]
Hi im trying to select voxels in a voxel world that are at the center of the cameras view.
The players camera X,Y,Z position and its rotations are known. The camera works in this program.
I tried ...
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Voxel Raycasting/ Divide A Line In 3D Into Small Portions
I have a voxel game where I want to know which block the players camera is facing. To do this I have a line the distance allowed for the player to interact with the world cast from the center of the ...
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Looking for a way to handle/define area of effect attacks in a 2D grid based game
I am working on a top down 2D grid based game, where as it is currently, units have a movement and an attack range. An example of this:
The blue squares are tiles the selected unit can move to, the ...
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How to implement something like Noita's spell system?
Does anyone have any insight or at least a guess as to how the spell system works in Noita?
The game is done in C++, and it has spells that can be modified with other spells and spell modifiers that ...
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How much slower are decent ECS frameworks supposed to be, compared to a naive array lookup?
I'm developing an ECS framework in C++ and after doing every optimization I could think of, the comparison with a naive array look up is terrible. It's 10x worse in debug mode and 3x worse in release ...
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