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Questions tagged [optimization]

The process of modifying software to make some part of it work more efficiently or use fewer resources. Generally, this means it executes more rapidly, or will require fewer resources.

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Simplify Matrix math code- Sun billboarding

If was trying to set the correct position of my sun billboard in my 3d game. I tried long until it worked correctly, but I wonder why this code must be so complicated: ...
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1answer
83 views

Avoid useless copies of buffers

The other day I was looking at a opensource engine, basically it was uploading the image from a file to a RAM buffer adding some decoding while streaming (I assume this is done "in-cache" so I can't ...
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Greedy Meshing : Slow to rebuild when updating chunk

I've a problem with my voxel based game. The game is sliced into chunks (Like Minecraft), each chunk is 16x256x16 blocks. When I started the project, I used a basic culling system when hidden blocks ...
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1answer
82 views

GPU (render time) increase if screen size increase

i create a simple 2d scene in unity 2017.3.1f1 I changed the size (height and width) in the Game View and proflie to see how it affects the rendering.. (below photo) I saw that the rendering time ...
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1answer
75 views

low FPS when battery is low ( unity android )

i make a simple 2d scene in unity 2017.3.1f1 (only 5 sprite renderer). I realized that when my Android device's battery is under 20 %, the frame rate will be 60 to 30. I did all the optimizations I ...
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1answer
84 views

Most efficient way to remove a Rectangle ? Monogame/XNA

I have a project in which I'm trying to remove the "collision box" (Rectangle class) of one of my enemy. My game logic basically is: ...
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1answer
87 views

OpenGL scene performance optimization

I am writing my 3D engine for Linux, and I ran into a performance problem. What was included at the time of testing: Bloom DOF (Depth Of Field) Soft shadows Point light source 1k, 2k textures (...
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1answer
128 views

Unity - SpriteAtlas memory consumption

I'm in the process of optimizing my application memory consumption. To do so, I'm using Unity profiler while connecting to an Android device, which runs a development build of the application. The ...
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1answer
42 views

Logic at a low framerate with interpolated rendering at higher framerate

It takes too much processing power to do game logic on every rendered frame (60fps), so what if I made my game save frames? It would actually calculate important stuff 20 times a second, and the ...
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1answer
214 views

How do I reduce overdraw in a forest scene with lots of foliage?

Unity comes with an overdraw view that looks something like this: We've probably all seen it, and have probably been advised to check for overdraw. How do you go about actually doing anything about ...
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107 views

Are GPU drivers hand optimized for specific games using low-level APIs?

The GPU drivers often have slightly different behavior depending on game or program, which is using them. It optimizes performance, bypasses bugs and improves overall experience in popular games, ...
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3answers
413 views

How to optimize collisions

I'm building a 2D MORPG using JavaScript, Node JS and socket.io To prevent cheating, I have to run all collisions for all players on my server. I'm currently doing fairly simple square collisions ...
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477 views

Amplify Shader for mobile

I'm recently learning Amplify Shader to make shader more easily. It's visual shader editor for Unity that allows to create shader by connecting nodes. Right now I need a shader for Android project ...
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92 views

Pre-Hash Input Strings in Unity

So with the new Animator system, Unity has smartly allowed us to pre-hash the strings for looking up variables within the Animator state machine, using the Animator.StringToHash static method. This ...
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41 views
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27 views

Unity, Replace or modify camera with own script

I am making an RTS game which has a slowdown when many units are on screen at once. I have a plan to write my own camera script to speed this up. Since I have an efficient way to find where units are ...
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2answers
48 views

Most effective way to perform dynamic list of actions?

I have a huge list of predefined game objects with different actions they do. What is the best (in terms of code simplicity and runtime performance) way to store, dynamically refresh and execute their ...
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1answer
103 views

UNITY - Huge amount of GRAPHICS in RTS Tiled game

after year of development and week of unsuccessful optimization I turn for a help from you, guys. So, my game is turn-based strategy with hexagon map. One hexagon consists of one texture for hexagon ...
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2answers
274 views

Using std::threads to optimize drawing

I'm currently developing a 3D game with its own engine. I have some performance issues in the function that orders all the draw events and sends them to the GPU. I've heard about threads, and I ...
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56 views

Optimization for end-to-end multiplayer pong-like game

I've developing a small pong-like game for educational purposes and I've reached the point where I'm looking at implementing network gameplay. The idea is that a player can either wait for someone to ...
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2answers
131 views

Optimize polygons renderization

I'm developing a game (in Ogre3D) that, in short, consist in a vehicle that moves along a terrain and leaves a colored trail behind it. The trails are basically quads (a), these quads changes their ...
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2answers
617 views

Objects' coordinates and scale adjustment according to different devices resolution and aspect ration in Unity

E.g I have a bunch of objects which are generated in specific coordinates. Let's say in a range of - 5 to + 5 on X axis. I came app with these numbers because of camera size I have in Unity editor. ...
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1answer
117 views

How to balance GPU compute usage against render usage?

The GPU's primary purpose, obviously, is to render the scene. However, if we use compute capabilities on the very same GPU, how do we partitition and control these calls such that they do not ...
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2answers
121 views

Code optimization

I'm making Space shooter game in Unity, in which I want to place boss. I have script in which I wrote how boss should move and it works but... I know i can do better. Any ideas how can I improve that ...
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168 views

Unity Mesh Optimization

I am making a Minecraft style game and I am looking for a good way to hide block faces that are underground or blocked. Thank you for any suggestions. Below is my code. ...
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3answers
2k views

How to reduce the time taken to path-find to an unreachable location? [duplicate]

I have a 2048x2048 map and if I path-find to an unreachable location, it makes the pathfinder go through every node on the map which freezes the thread for 4 seconds. How can I reduce that time? I'm ...
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0answers
33 views

string[] preallocation to prevent using ToString() and save memory

I have some levels, with enemy waves and two Text components for: Enemies killed, like: "13/57" Waves passed, like: "68" On each enemy kill/new wave, I make a <...
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95 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 ...
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1answer
361 views

How can I improve my rendering performance in Java?

How can I improve the performance of my rendering? Currently, I'm rendering with java.awt.Graphics, but it seems to be starting to slow down since I'm adding new stuff to render. My rendering setup: ...
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138 views

Unity Performance Value

Ok so i wanted to know how good/bad each of the general collision checks hinder performance. Let's take a reference, say Raycast has a performance value of 1.0 (higher = better performance) How ...
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1answer
41 views

Unity: Render only select objects but show previously rendered objects

I am making an RTS game which is having performance issues. Is it possible to render the ground and units separately so I can only render the ground when the camera moves but keep the result ...
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1answer
50 views

How to optimize two-pass operations on an array with Unity Coroutines

I am working on simulating vacuum decompression in a 2D top down environment. I have 2 2-dimensional arrays: one that stores the pressure at a location, and one that stores the vector of fluid flow. ...
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0answers
126 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 ...
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1answer
455 views

How can City-sim simulate hundreds of characters?

My games usually start lagging quite easily when there are a couple hundred of boxes representing possible characters. While games like SimCity or even Anno have hundreds of characters. I realized ...
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1answer
64 views

Unity frame-rate drops / stall

I have an issue where my game suddenly stops for a second and then continues. And I think it has something to do with my performance so I took at look at the profiler: I tried to take a screenshot as ...
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1answer
428 views

Efficient Rendering for multiple light sources

I'm building a 3D rendering engine using C++ and OpenGL. Right now, I've added support for multiple light sources in my GLSL shaders, but I've hit a bit of a bump for my rendering methods. I'm ...
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1answer
75 views

Reasonable amount of garbage collection for mobiles games?

I'm making a 2D game for mobile and I noticed that my GC seemed to spike during attack. My normal GC is 40b but during attack it could spike to 2.2kb. I think this is really high specially when I saw ...
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1answer
135 views

Game is very slow. How to run it fast? [closed]

I'm developing Android 2D game by extending SurfaceView. This is my first game on Android, so I'm not very knowledgeable. I have taken care to optimise the code, ...
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0answers
84 views

android unity game optimisation

I'm finishing my game, i'm in the stage of optimisation, i tried multithreaded rendering and dynamic batching, with OpenGLES3.. i get a little bit increase , but now i'm getting function Clear take ...
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1answer
142 views

Calculating real time moment of inertia around arbitrary axis in 3d

I have a 3d rigid body consisting of multiple triangles forming a closed mesh. I know how to calculate the moment of inertia around an arbitrary axis by splitting up the mesh into simpler shapes and ...
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1answer
170 views

DirectX11 bind all textures at once?

If my game will use say 100mb of raw memory for textures, would it be a good idea to put all of them in srv array, bind once and leave it for the rest of the program so that I won't have to bind them ...
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2answers
149 views

Optimization of animation for large quantity of objects

I have run into a problem where I need to animate plenty of circles just scaling up and down. When I use animator, it needs 16ms per frame for 10000 circles. It drops fps significantly from 1000 to ...
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172 views

Asset imported from Magica-Voxel in unity is too big for the scene view

I am new to game development, I have created a game scene in MagicaVoxel (126 x 126 x 126 i.e full dimensions). So when I import it in unity (as an Object) the size of the asset is too big. So I ...
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0answers
63 views

compiler optimixation interfering with threaded function

I'm making a block game in c++ that stores voxels in a octree and because, at least in my implementation, editing the octree is slow, I'm generating the chunks of land in a separate thread. I manage ...
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186 views

Upgraded to Unity 2017.1.0f3 and Now Scenes Are Not Loading Properly?

I just purchased Unity Plus and it automatically upgraded me to version 2017.1.0f3. It is great so far except for one thing... It seems like the SceneManager is screwing up now! Sometimes it does not ...
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0answers
32 views

Unity inconsistent memory profiling when running same scene

I'm in the making of a 2D silhouette style game where I'm trying basically 2 setups: One where it consists only of sprites, One where it consists of a mix of sprites and meshes with NO texture. Now,...
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1answer
527 views

Unity engine memory usage issue - taking up more than it should

I'm making a 2D game that consists mostly of sprites. As a lot of them were too large in file size, I swapped them into meshes with unlit materials without textures. Now, The problem is that Unity by ...
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0answers
57 views

What is the most optimal way of choosing a value from an array, in HLSL?

I'm creating a HLSL DirectX 11 Uber Shader. The shader has a series of "generator" functions, where the Float outputs are mapped to Float4 components. The shader exposes which function is mapped to ...
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0answers
250 views

Add Rigidbody and MeshCollider at runtime : is it a bad practice?

Good day. To simulate an explosion of a vheicle, I decided to do this: When I need to explode veichle , at runtime, i add rigidibody for every single part of veichle (5-10 part: door, wheel, hood ...
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159 views

Instantiating identical objects marked as static never batches

I'm instantiating a lot of identical objects (well into the 1,000s) that share identical attributes save for their position as part of a visualization project. Even though I'm instantiating them all ...