Top new questions this week:

Can I jump from A to B?

I'm making some rudimentary AI for my side-scroller and I need to know whether an AI unit can reach point B from point A simply by taking a jump. Flight trajectory of my characters is a bit unusal as …

2d math physics ai side-scroller

asked by Daedalus 7 votes answered by Jason 3 votes

How to predict movement correctly when a player is invisible?

I have a multiplayer game and I'm doing client-side prediction, but some players can drink a potion and become invisible... The problem is that when they become invisible I don't share anything that …

multiplayer client-server

asked by affiszervmention 5 votes answered by Dracor 4 votes

How can I keep two racing players synchronised?

I am working on a Unity mobile game, much like a multiplayer version of Temple Run. I'm seeing a fluctuating network latency (generally 200-500ms) because of the mobile platform. The two player …

unity multiplayer mobile synchronization latency

asked by Zohaib Javed 5 votes answered by Anko 6 votes

How does this formula for generating water waves work?

I have been trying to implement the wave equation described in this paper ("Water Simulating in Computer Graphics," Kai Li and Liming Wu) in Java. Part of the paper discusses modeling waves as a sum …

java physics water

asked by TastyLemons 5 votes answered by Marcks Thomas 3 votes

Is Batching Geometry Every Frame Always Slower Than Individual Draw Calls

I'm currently have an application that has ~10k draw calls. I implemented a batching scheme where I group all objects that share material, vertex format, etc and pre-transform them by their world …

opengl directx performance directx9

asked by pauld 4 votes answered by OriginalDaemon 2 votes

Can Neural Network play tic tac toe? Is this have any common sense?

I'm thinking about theoretical possibility of playing tic tac toe by neural net. Is this have any common sense? Let's consider tic tac toe which contains 3 rows and 3 cols (it's 9 cells). Ok, then the …

ai

asked by JavaRunner 4 votes answered by Arthur Wulf White 3 votes

Dealing with interpolation and object creation/destruction

I've implemented a game loop similar to that in Glenn Fiedler's Fix Your Timestep! article. I have an update step running at 50Hz and a render step running at 60Hz (monitor refresh rate). To keep …

game-loop c interpolation

asked by Boreal 3 votes answered by Denys 2 votes

Greatest hits from previous weeks:

Why do games seemingly reload the entire level when restarting a level?

Is the data really modified that much during play? I'm assuming the longish pause between restarting a level is the entire level reloading. But it seems to me that a well implemented system should …

levels filesystem

asked by Adrian 43 votes answered by Blue 50 votes

Do I need to ask Microsoft for permission to use their products logo?

I am currently making a trailer of my game for my college project, I would like to note that my game is cross platform. Do I need to ask for permission to use those images in such situation? - When …

windows cross-platform trademark

asked by Mikolaj Marcisz 29 votes answered by Byte56 52 votes

Can you answer these?

SSAO looks wrong

I'm trying to implement SSAO based on this tutorial. My setup: OpenGL 3.2 Forward renderer View-space depth and normal in a single 16-bit floating point texture. The result I get is this: The …

opengl glsl ssao

asked by SurvivalMachine 1 vote

Squashing screen resolution in XNA

I've made a game in 1920x1080 res in XNA, and I can't seem to find a way for the graphics device to squash the screen images to other resolutions like 1600x900 when played on different computers. How …

xna c# resolution

asked by Jon Dunn 1 vote

Animate Unit Movement on Tiled Grid

I'm writing a turn-based strategy game the uses a grid in Java. I use Swing for the windows, but paint the Grid with Graphics2D. I've already come up with two working solutions, but I'm not sure …

java graphics animation grid

asked by zalpha314 1 vote