The quality, efficiency, and speed of running gameplay as a result of several factors in the design and structure of the game and its architecture.

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-1
votes
1answer
47 views

Are the prefabs stored in RAM or in the Hard disk? (Unity3D)

I have many prefabs objects (65 MB) in an Unity3D project. My game use 100 different levels with combinations of the prefab objects. What is better create 100 scenes or create only one scene where ...
0
votes
1answer
74 views

CPU Usage and Available Ram in Unity 5

In Unity 5 I would like to be able to print out the CPU Usage and Available Ram left in MB. I followed the code posted on http://zamov.online.fr/EXHTML/CSharp/CSharp_927308.html and used it, however ...
-3
votes
1answer
130 views

Performance of programming languages and frameworks [closed]

I want to program an online 2D MMORPG with graphics like in this game. Since I develop in javascript and python mainly I chose python for my first games and the game library pygame which is pretty ...
0
votes
0answers
22 views

Performance and HotSpots

Usually, when discussing on performance in games, cache misses and localities come like the real problem. But i feel like videogames are too focus optimization in that way. For example, the author of ...
1
vote
1answer
63 views

Bad performance using VBO with OpenGL ES in Android

I'm making an Android app and I need to draw some polygons using OpenGL ES. I'm able to render them but I'm disappointed with performance. I updated the code to use VBO but I didn't notice any ...
0
votes
0answers
40 views

Should I handle mobile collision from the mob or projectile? [duplicate]

I have a fast tile collision setup and quadtrees for collision between mobile entities. I have been back and forth in my other games for if I handle projectile-mob collisions in player or mob ...
1
vote
0answers
35 views

Browser game - small models with tileable textures vs one big model and one big texture

I am few years behind in terms of browser capabilities. I plan to combine 3D with pixel art, and I am going to use Unity to make a browser based game. I have made a stage that is one model and has ...
1
vote
2answers
120 views

How can I render extremely large models?

I'm trying to build a game in Unity similar to the game Kerbal Space Program where there are large celestial bodies that the player can orbit. I'm running into a few problems though. My first issue is ...
0
votes
2answers
95 views

Why are games locked at a certain frame per second?

A lot of PC games are locked at 60 frames per second. I know that this is because a high frame rate can cause glitches/bug in a game and mess up the physics but is there another reason? Should anyone ...
3
votes
1answer
273 views

Recurring stalls in SwapBuffer

I am currently doing measurements on a test scene implemented in OpenGL 4.5 with different "setups". I noticed that in case I have a very high amount of FPS (1550 in this specific case), SwapBuffer ...
4
votes
2answers
124 views

How many LoD versions of a model should I have? [closed]

Many games facilitate better performance by increasing/decreasing the number of triangles/polygons that are drawn, depending on how close the camera is to said object. Mountains, viewed from far away, ...
1
vote
1answer
78 views

Polygons requirement on mobile devices, around 3000 vertices?

I read on the unity documentation that a character should be between 300 to 1500 "polygons" on mobile devices to have good results. In Blender, we have "tris" or "faces", does "polygon" stand for the ...
0
votes
1answer
62 views

SFML drawing Tiles low fps

int main() { sf::RenderWindow window(sf::VideoMode(800, 800), "SFML works!"); sf::VertexArray Tquad(sf::Quads, 40*40*4); int size{ 20 }; int width{ 40 }; for (int x = 0; x < width; x++) { for ...
0
votes
1answer
67 views

How should I improve my game world? [closed]

I'm in the process of teaching myself game development, and I'm trying to learn 3D, and started on a basic 3D game. The actual problem I've encountered is with level design, I'm using cubes all over ...
0
votes
1answer
67 views

submeshes and dynamic batching doesnt work as expected

I'm duplicating one object with submeshes frequently, and assigning a random material from five materials to each submesh. There is batching happening, but it's not quite as efficient as I would have ...
0
votes
2answers
85 views

Game lags when my player collides with a specific object (solution known, unsure how to implement)

I'm developing a game in Android using LibGDX (although this is more of a JAVA problem than an engine problem). My aim is to have my player bounce off one spring onto another that will eventually take ...
0
votes
1answer
43 views

Should I worry about variable time step for simple mobile 2d game

After going through some articles on framerate independent game design, i found that its not an easy task to implement in variable time steps(it is difficult compared to fixed frame rate, and ...
2
votes
2answers
169 views

How does a loop work in game engines? [duplicate]

Recently I started working on a game with the spritekit engine. My question is not about spritekit in specific though, but generally about game engines. When I write a loop and run it (eg while i ...
1
vote
2answers
60 views

Is there a difference in the time taken to load one texture instead of many?

Is there a difference in the loading time of 16 256*256 textures versus a single 1024*1024 texture? Specifically for level loading time?
1
vote
0answers
66 views

Unity sprites are no longer batched after the object rotates/moves

With Unity 5 and access to the profiler, I'm running our game through some stress tests so I can find where our performance issues are. While testing having 1024 units on the screen with 4 selection ...
2
votes
1answer
117 views

Is there a way to manipulate a pixel Array on the GPU?

I'm currently working on a 2D-Game and i want to draw and calculate the whole screen myself through a pixel array. I'm programming in C++, using SDL 2 and OpenGL specifically a OpenGL Texture which is ...
0
votes
1answer
203 views

OpenGL memory optimization and batching technique pitfalls

I'm studying OpenGL optimization techniques. What I'd like to achieve is to emulate as closely as possible Mantle/DirectX12 programming patterns (aggressive batching, flexible memory handling, complex ...
0
votes
0answers
33 views

Mobile game: Optimization only working on some devices / Render big texture causes stuttering after level load

I'm currently optimizing the rendering of the background of my mobile game. The background consists basically of many colored dots. Since the background is static I'm able ro render the whole ...
0
votes
1answer
109 views

Drawing the same model multiple times

I am looking ways to improve the efficiency of my draw method in XNA/Monogame and understand how things work. I have just a group of 4 models (bricks), (red, green, blue, yellow) I am drawing multiple ...
0
votes
0answers
34 views

What variables change the number of lightmaps

I need to know what changes the lightmap size. For example what changes the lightmap from being 2*1024*1024 to 4*1024*1024 - having larger textures or having larger quads (having more models) or ...
0
votes
1answer
80 views

Are lightmaps also considered textures?

I want my game to support phones with max texture size of 1024 so my texture atlases are 1024. My question is: are lightmaps also considered textures and their max size must be 1024? Or they can have ...
0
votes
0answers
40 views

Continous horizontal animation of objects

We have to continously animate objects from right to left in a panel. The player has to pop the first object. If the first object could not be destroyed by the player and it reaches the left ...
2
votes
1answer
108 views

What is the performance impact of rendering a larger quad?

Lets say I have two planes and I textured them in blender with a 512*512 tiled texture. One plane is bigger than the other (for example, one plane tiles the texture 60 times but another only six ...
0
votes
3answers
263 views

In OpenGL what's quicker, lots of smaller VAOs, or one large one updated each frame?

In my game engine, a mesh can be made of many submeshes. These submeshes may or may not share vertex data with the rest of the mesh, if they don't they have their own vertex data array. I've noticed ...
0
votes
1answer
123 views

XNA: How to capture precise time of button press?

I'm guessing the default XNA model encourages checking for button presses in Update(). However, I am developing a game-like application for research and need to measure reaction times as quickly as ...
1
vote
1answer
98 views

Draw multiple triangle strips in one draw call DirectX

I'm running into a bottleneck where I'm drawing many basic disconnected colored triangle strips in DirectX 9 (XNA). The problem comes with drawing them all in seperate draw calls, so I'd like to batch ...
8
votes
1answer
533 views

GPU Locality of Reference

Does locality of reference make as much of a difference to GPU performance as it does CPU performance? For example, if I send 200 draw commands to the GPU, will I see a (potentially) noticeable ...
2
votes
1answer
83 views

Alternatives to map of strings in regard to performance

I would like to start my first question here with a subjective question. I think it qualifies as constructive. To introduce the situation: I have a 2D tiled map. I also had different arrays of ...
23
votes
12answers
4k views

How can I make A* finish faster when the destination is impassable?

I am making a simple tile-based 2D game, which uses the A* ("A star") pathfinding algorithm. I've got all working right, but I have a performance problem with the search. Simply put, when I click an ...
3
votes
1answer
667 views

Why would it be faster to render using multiple canvas elements?

This video suggests that rendering using multiple canvas elements helps performance. How does this work? The idea was to use one for the player, one for the enemies, another for the background, ...
2
votes
1answer
97 views

How can I estimate the perfomance of graphics cards I don't have? [duplicate]

I'm developing a voxel game with OpenGL and want to optimize the number of rendered faces. How can I estimate how many faces at most a modern graphics card of a certain brand is able to compute, while ...
0
votes
2answers
103 views

Collision detection enhancement

I am developping a spaceinvader-like game. There comes the problem of how to handle collision detection. At first I was doing like that : forEach(fireBall : fireBalls) { forEach(stormTrooper : ...
1
vote
2answers
149 views

Optimizing Collision Detection in a 2D Game

I am optimizing my "little" Java (LibGDX) shooter game, and perhaps unsurprisingly, collision detection is a "bottleneck"; I've kind of reached my performance goals already, but I want to tweak the ...
1
vote
0answers
211 views

Phaser noob: Why is my Phaser game jittery? [closed]

I'm just getting started with HTML5 game development, and I'm very impressed with the quality of Run Pixie Run and bunnymark in both desktop and mobile, so I've started making a game using Phaser ...
0
votes
0answers
95 views

Java Graphics performance issue when drawing transparent shapes

I've started working on a game engine for fun with no external libraries. I've started creating a simple particle system and I've come to some huge performance issues. I have the following frawing ...
6
votes
1answer
1k views

How to profile CPU and GPU performance if I have a monster PC?

I'm going to upgrade my PC soon. I'm worried that I will no longer spot performance losses in my game because of the better specs. I can check memory usage easily, but how do I check and debug CPU ...
1
vote
0answers
200 views

Does Unity's “Compression quality” affect ETC2 compression?

In Unity I am using "Advanced" texture options on Android with ETC2 8-bit compression. There is an option for "Compression quality" as described here: ...
0
votes
0answers
91 views

Additive blend over camera preview

I am using SurfaceTexture to draw camera preview through opengl after applying blending but new camera preview frames overwrite my previous frames although i am not clearing my color buffer. I want my ...
1
vote
1answer
51 views

What is the fastest way to know if the current coordinate in screen-space is odd or even in GLSL/GLES2 frag shader?

I want to make a post-effect where every second column of pixels is colored differently, and I want to implement this as a GLSL fragment shader on GLES2. The question is what is the most effective way ...
2
votes
1answer
297 views

Avoiding memory allocation in Android game development

For obvious reasons, allocating memory on the fly in Android game development is not recommended. For example: http://developer.android.com/training/articles/perf-tips.html: There are two basic ...
2
votes
3answers
358 views

Issues with ECS performance

I'm currently implementing ECS in "classic" sense, as defined by this wonderful post, where we have Entities, Components and Systems. And I'm having a serious (for me) performance issues. They come ...
4
votes
5answers
314 views

How do I prevent receiving data from the network from dropping rendering frames in a multiplayer game?

I'm building an HTML5 massively multiplayer online game. I've been working on this project for awhile, but am having some trouble sorting through a couple of performance issues. Since this is a ...
0
votes
1answer
34 views

Heuristics used for determining device performance

Often times PC games offer an elaborate settings page which lets you turn 20 different knobs. Users can modify these settings at will in the pursuit of performance, or conversely, visual quality. ...
2
votes
2answers
538 views

Store values or calculate values [closed]

We're talking about fairly anal levels of optimisation here that I wouldn't really worry about in anything other than mobile games. Let's say for example you were drawing a texture to the screen in a ...
10
votes
3answers
744 views

Cache misses and usability in Entity Systems

Lately I have been researching and implementing an Entity System for my framework. I think I read most articles, reddits and questions about it that I could find, and so far I think I am grasping the ...