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Questions tagged [performance]

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.

77 questions with no upvoted or accepted answers
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3answers
757 views

Why do prefabs speed up loading?

I have a scene with a massive terrain. It took a long time to load (approximately 60 seconds) when I pressed play. I am in the editor. I prefabbed it. Now it only took about 5 seconds to load when ...
4
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0answers
934 views

Libgdx performance on old devices

I'm developing a game in Java for Android, using LibGDX. I'm using Nexus 5 to test my game most of the time and it works great (Minimum FPS it gets is 57 out of 60). Recently I ran my game in Galaxy ...
4
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1answer
3k 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
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0answers
151 views

MeshMemory causing constant spikes

I have a ready-to-launch application, cleaning everything right now. I have these strange spikes on Mesh Memory. The best part of it is that this view below is ...
3
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0answers
158 views

Generating color for mesh in Texture3D or shader?

In Unity, I'm trying to choose between two ways of procedurally colorizing meshes (with vertex color). The main concern here is performance, knowing that my software is already GPU bound (more ...
3
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0answers
180 views

Optimal solution to render sprites with transparent edges in Unity

Since I'm currently developing a 2D game for mobiles, overdraw and drawcall count is my first priority in the design of the application I've thought initially to split each sprite in two parts: one ...
3
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0answers
122 views

Camera concept in OpenFL

I'm starting a project using Haxe and OpenFL. I defined a big level in Flash, when I try to scroll the level in the game I have a really bad performance. I think that moving all the objects is ...
3
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0answers
72 views

Automated performance testing

I'm wondering if there's anyway of automatically testing the performance of my game on multiple configurations because I know a game runs well on my computer but how do I know how well my game ...
2
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0answers
737 views

unity lag while moving a sprite

I'm trying to build a 2D game for android and after I finished developing the game I noticed that there was lag present when moving objects around. I tested it on a phone much more powerful than my ...
2
votes
1answer
147 views

Should I store ads in the background or recreate them every time I need them?

I am developing an XNA game for Windows Phone 7 and 8. The game is level-based. After finishing each level a screen comes up with a bit of stats summary. I wish to embed an ad in this screen, on which ...
1
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0answers
45 views

Most efficient way to recalculate enemy A* path on the fly?

I'm working on implementing a more robust pathfinding algorithm for the enemies in my top-down shooter game, and I have the A* algorithm working, but now I need to decide when to calculate the path. ...
1
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0answers
66 views

Bullet Physics StepSimulation really slow when smaller TriangleMeshShape is inside bigger BoxShape

I observed that bullet physics StepSimulation is very very slow when a rigidbody with a TriangleMeshShape is fully inside a rigidbody with a simple BoxShape. I noticed that when I move the ...
1
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0answers
62 views

Junk movement with steady 60fps on Web canvas

I'm new to building games on canvas, and I'm trying to create one. But I encountered a problem with sprite movements. My sprites move is smooth, but sometimes it starts to "jump". FPS is stable 60 ...
1
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0answers
68 views

How to lower the cost of realtime lights?

Besides Deferred rendering, what can I do to make realtime lights cheaper to render? I don't really need them but I could make good use of them in my game. BTW I thought Deferred render would give me ...
1
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0answers
49 views

Whats the least expensive way to play video in unity?

Alright, Ive asked this various ways but my situation is I have several (over 100) objects that have screens that need to play animated videos on them. There does not need to be sound, but this is for ...
1
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0answers
110 views

Performance problems with scrolling html5 canvas for large tile-based game

I try programming a splix.io clone as an electron app and do the visualization via the html5 canvas. The movement across the tiles should look fluent like the original, so I target 60 frames a second. ...
1
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0answers
450 views

ParticleSystem, performance behind the technique on batching with different materials

I found that guide: https://thinhhb.wordpress.com/2016/03/27/unity3d-optimization-make-atlas-textures-for-particlesystem-reduce-drawcall-why-not/ which is quite clever. As far as I know, we can't ...
1
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0answers
256 views

How to efficiently batch blocks and reduce drawcalls in a voxel-like game

To fully get the benefits of GPU instancing in Unity in a voxel-like game I'm trying to batch as many static blocks as possible (the terrain won't be destructible, and I can't set these blocks to '...
1
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0answers
255 views

Will my huge sprites for a 2d game create performance issues?

I'm new to Unity, and have been confused about this issue for a while. Some people say that for 2D games you don't need to worry about performance (I'm making the game for PC, not mobile) while others ...
1
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0answers
559 views

GPU instancing vs combining meshes for performance

I have a relatively low poly procedurally generated scene in which I reuse a bunch of the same objects (walls, floors, etc). I've been writing some code to combine a room's floor tiles into one mesh, ...
1
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0answers
254 views

SDL C++ Flood Fill Performance

I'm using SDL and I need to quickly fill a lot of polygons (fake 3D walls, made linking calculated points with the SDL_RenderDrawLine() function, that I need to ...
1
vote
0answers
72 views

Most efficient way to modify character mesh at run time

What is the most efficient way in unity to alter the mesh of a character in this scenario: When the player pick up an item: -A part of the mesh should be replaced, for example, the left arm is ...
1
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0answers
546 views

Libgdx - Building dynamic 3d models with Modelbuilder/MeshPartBuilder while rendering

Context: I'm building a mobile game targeted for android with libgdx. It's an endless highscore based game. The environment/terrain is build dynamically. It's kind of a maze/wall/block terrain. I'm ...
1
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0answers
1k views

Should I combine multiple tiles of terrain as one mesh in Unity3D?

I have a tiled terrain, generated by multiple noise algorithms. Currently, each tile is it's own GameObject, that has a handler for an ...
1
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0answers
464 views

Game logic implemented using TPL / async / await, and performance of it

I'm working on a game, and as a typical game (here using Monogame) it uses frame based approach, where all logic happens in Update() method called every frame. As a consequence, any sequential logic ...
1
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0answers
2k views

Mesh vs LineRenderer Performance

I've created a script, which is drawing a line along a bezier curve, so that I can animate whatever I want with lines, mostly for UI purposes. For the moment I'm using a line renderer, which works, ...
1
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0answers
216 views

WebGL Primitive Batching unexpected performance

I'm kinda new to WebGL in general, I've started to make some batching experiences on primitives (just drying a bunch of rectangles by using a combination of two triangles repeatedly). I've started by ...
1
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0answers
44 views

Animated Typing Memory Usage with Immutable Strings

Right now I'm programming a game that has an animated typing effect typically seen in older 1980's and 90's role-playing games. An example can be seen here. The typing effect is generated by taking a ...
1
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0answers
134 views

Why do 100 rect contain 400 tris?

I am making a game targeted towards mobile, so I am experimenting around to know how I can boost performance. Now I have a rectangle with a road texture on it. This I made in Blender. And as expected ...
1
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0answers
74 views

Bullet btGImpactCollisionAlgorithm

I have a question about Bullet and in particular GImpact. When, the collisiontestpair(a, b) is called where GImpact pair check algo will be called on the btGImpactMeshShape, does it do a AABB tree ...
1
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0answers
36 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
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0answers
326 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 ...
1
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0answers
122 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 ...
1
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0answers
89 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 ...
1
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0answers
168 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 border ...
1
vote
0answers
489 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 ...
1
vote
0answers
970 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: http://docs.unity3d.com/Manual/class-...
1
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0answers
102 views

Casting every received packet as struct?

What is the best performant solution to handle received data from socket, in a MMORPG game? Is it good to have something like: ...
1
vote
0answers
56 views

How to I coordinate a camera with the eyes of a model?

I am currently working on an FPS in XNA and I wanted to know how I would position the camera at the eyes of the model and whenever the model rotated or moved it's head (where the eyes are), the camera ...
1
vote
0answers
220 views

Storing rigid body collision shapes in local or world coordinates

I'm writing the beginnings of a lightweight 2d rigid body engine (in javascript, as a hobby project), and i'm debating whether to store collision shapes in local or in (updated as needed) world ...
1
vote
0answers
259 views

Rendering tile maps for mobile devices

Hitting a bit of a roadblock with my game's development and I'm just looking for some outside advice. I'm trying to render a tilemap for my mobile game (Android) and I'm using LibGDX. Now, here's ...
1
vote
0answers
169 views

Non-smooth noise with optimal performance?

Any suggestions on how to get more 'jagged' results like linear interpolation gives with value noise using a faster algorithm concept like simplex noise? Simplex noise I haven't spent enough time ...
1
vote
0answers
101 views

iSGL3D Occlusion Culling

I was testing a cool 3D Scene Graph Library called iSGL3D. Since I found some functions called alpha culling for displaying partly hidden objects (making the ones in front transparent). I was ...
1
vote
0answers
100 views

XNA Kinect Color Stream Performance Issues

I am developing an XNA game using Kinect. It requires using Depth and Color streams for extracting only the player's image from ...
1
vote
0answers
264 views

Updating physics for animated models

For a new game we have do set up a scene with a minimum of 30 bone animated models.(shooter) The problem is that the update process for the animated models takes too long. Thats what I do: Each ...
0
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0answers
11 views

Unity Light Baking for Best Balance between Performance and Visuals

I'm trying to optimize my Unity game. I have static objects, dynamic objects and (only) static lights. I wish to fully pre-compute lighting and shadows for the static objects while still ...
0
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0answers
22 views

Optimizing texture fetches with higher mip levels

Let's say I have some shader program in DirectX or OpenGL rendering a full screen quad. And in a pixel/fragment shader I sample some huge textures at random texture coordinates. That is one same ...
0
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0answers
36 views

How Lots of ComputeBuffers at Once Affect Performance Unity

How will lots ComputeBuffer instances affect performance? And why? I know that I should call ComputeBuffer.Release() on every <...
0
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0answers
32 views

Occasional lag-spikes in performance in heavily optimized game (profiler screenshots included)

So I've been working on a mobile-based platformer for a few years now. I've spent more than a year optimizing the game for mobile as much as I could. Almost every single one of my meshes are using ...
0
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1answer
103 views

How does my GPU know what game is running?

I am trying to understand how game ready drivers work. How does my gpu know what application i am running and which application to use a specific driver optimization. For example the new nvidia driver ...