Game Development Stack Exchange Community Digest

Top new questions this week:

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, ...

unity c# software-engineering events  
user avatar asked by Zibelas Score of 12
user avatar answered by Zibelas Score of 15

How does one efficiently render depth from an "Isometric" perspective?

I should start by clarifying that when I say "Isometric" I am talking more broadly about top-down games that use a "cheat" to display things on a z-axis, rather than being limited ...

2d rendering depth-buffer efficiency top-down  
user avatar asked by Sad Robot Score of 1
user avatar answered by Philipp Score of 1

Greatest hits from previous weeks:

How does Lua work as a scripting language in games?

I'm a little hazy on what exactly Lua is and how a game that is programmed in C++ would use it. I'm asking primarily about how it is compiled and run. For instance when you use a program written in C+...

c++ scripting lua  
user avatar asked by XSoloDolo Score of 73
user avatar answered by Panda Pajama Score of 99

Is it possible to use C++ with Unity instead of C#?

The title kind of says it all. Is it possible to replace C# with C++ on a game using Unity?

c++ unity  
user avatar asked by DJMcMayhem Score of 31
user avatar answered by MLM Score of 27

How to make a character jump?

I am currently making a game in C# using Direct X 9.0. The game remake is Donkey Kong NES. I have nearly everything completed, but I am having problems with the physics of Mario's jump. I have ...

physics input jumping  
user avatar asked by Sarah Score of 47
user avatar answered by David Gouveia Score of 88

How to split a 2D sprite tile set into individual sprites?

I see a lot of sprite catalogs for games provided as single PNG image, like the one below. I'm interested if I have to manually create tiles from that, or if there's some program that can split it ...

2d sprites tiles  
user avatar asked by Alex Stone Score of 10
user avatar answered by Alex Stone Score of 2

How can I find the perpendicular to a 2D vector?

I'm making a top down game where the player moves forwards towards the position of the mouse cursor. As part of the player's movement code, I need to determine a vector that is perpendicular to the ...

vector linear-algebra  
user avatar asked by Jonathan Dunn Score of 47
user avatar answered by craftworkgames Score of 42

Why is the origin in computer graphics coordinates at the top left?

From what I've seen almost all things use coordinates where (0, 0) is at the top left and the positive Y-axis goes in the downwards direction of your screen. Why is it like this? Why not the ...

coordinates graph  
user avatar asked by user3387566 Score of 52
user avatar answered by Uwe Plonus Score of 56

What is ambient occlusion?

I've heard about ambient occlusion and it looks nice, but what exactly is it?

graphics rendering terminology  
user avatar asked by Dr. Snoopy Score of 66
user avatar answered by Ólafur Waage Score of 39
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