what causes people to leave bge halfway through a project and go for another engine?

Have seen this happen to many very cool looking games where people get through about half the game and then move onto another engine.
Why does this happen?
Will bge ever have developement to fix the problem and stop people from changing to another engine?

Lack of development
Performance
Publishing issues
Not so flexible workflow.

Cant export to android yet.

Historically, things like the game getting slow with a lot of animated objects and performance issues has been a major contributing factor.

In this case however, Moguri and Kupoman have been removing some of these roadblocks by way of bugfixes, animation culling, and a built-in LOD system (the last one not being in trunk yet but may come in for 2.69). Hopefully the enhanced shadow system (which might come in for 2.70) with its performance improvements will encourage people to stick with the BGE more as well (with goodies like cascaded shadow maps for large outdoor scenes).

Publishing? isn’t it supposed to be open source?

You can publish games - Dead Cyborg springs to mind.

For me the BGE is a no go because:

  1. The GPL license. Want to develop a game for iOS or PS4? Then you need an MIT/zlib/BSD type license for an open source game engine

  2. I want an engine that compiles easily. It has to be standalone. This is not the case with BGE as it’s tied with Blender code

  3. Python is too much to ship for a game. AngelScript or Lua are much more “light weight”

  4. Need for Android and iOS deployment. I think the BGE port for Android is 70% complete. Also compiling BGE for Android is a lot more involved than say Urho3D for example. This also means that the engine has to have a dedicated OpenGL ES 2.0 renderer, which an SDL 2.0 engine will give you. In the case of BGE’s Android port, the OpenGL ES 2.0 renderer is again tied with Blender (last time I checked).

I have little idea. As long as you know the engine limits (you can basically use it only to make a Windows/Mac/Linux game and it will use opengl over directx and the GPL can be little tricky commercially) there’s no reason. Even if you hit a brick wall with SCA system, with some python you can virtually do anything you might imagine.

I think for many BGE is something they prototype with, they create the assets that they need and see how they play together.

One phenomenon might also be the ease of use giving novice developers confidence to go for a big and commercial engine like UDK/Unity.

As far as I know, the UDK is appearing to be the choice for indie developers for very large-scale projects, perhaps what helps is the fact that the company behind the engine also makes its own game titles (how many published games have the company behind Unity made for example?)

Also, about Python and its possibilities, I recall that Agoose77 even made a library for use with the BGE that will allow your game to use KD-tree functionality to accelerate areas of logic like finding various objects in the scene, to think of it this way, this may have been possible due to how you can use the vast amount of non-game specific modules that come with Python. An engine that uses Lua script in contrast may need to have its own native implementation first because that project puts functionality for games first and foremost (ie. you need addon modules for such things as saving data to a file).

But still, if the BGE doesn’t work for you as of now, then most likely you will need to buy a commercial engine because there’s simply not much else out there when it comes to open source game engines (Urho3D being one of the few engines that look capable of being truly powerful sometime in the future).

Hopefully we can see development of the BGE pick up to where it can work out for the vast majority of people, but this issue is also shared by the general Blender project because there’s apparently a lot of developers who will not only leave Blender (and BA) for commercial solutions like Maya, but will also not even consider using Blender for any part of the pipeline (and if they don’t use Blender for any part of their asset creation, then they will definitely not use the BGE).

And does that Urho3D have any video tuts or a forum?

Most often people change engine because they think it will be easier to do it in the other engine. However, they regularly find that the ‘higher performance’ engines require more work to make the same game.

Also, lack of motivation is one of the main reasons people stop making a game, not performance or anything else.

I have never come close to blender’s performance limit on my laptop (2.6ghz quad core, 8gb ram, Radeon 7670M), but then I spend quite a bit of time making sure my models and code work properly. Also, I don’t aim for super huge games.

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There is a Google Group “Forum”:

https://groups.google.com/forum/#!forum/urho3d

As for video tutorials. No sorry. The editor is pretty basic either way. And the engine does come with plenty of code examples (i.e. script code examples and C++ examples).

You may also want to checkout the wiki, which explains how different parts work, including the editor:

http://code.google.com/p/urho3d/w/list

See “EditorInstructions”:

http://code.google.com/p/urho3d/wiki/EditorInstructions

Most of the time I see people change game engine simply because they don’t optimize it in the BGE, and think it will run faster elsewhere, at least that’s what happened to me(turns out it doesn’t work that way) lol :D. I also don’t see what the problem is with android and IOS export. From what I remember someone is/was working on android export(and there’s no licensing issues), and with IOS I’m not sure how many people will pay them $100+ to allow the game onto the app store anyway. Another reason I’ve seen a couple of times is that people try to make a mega huge AAA game in the BGE, with no game experience it runs really slowly, barely works, and looks/plays terribly, and they blame the engine and try to use one of those “proper” game engines. Too be honest though, I can’t see any reasons to not use the BGE, as long as you don’t expect to be able to make a game without putting alot of forethought into it. That’'s my 2 cents :slight_smile:

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1.) Lack of manpower

2.) Lack of leadership skills and vision from decision makers

BGE is supposed to be a ‘born winner’. Just the hassles saved from asset importing/exporting made it a winner before start.

If we fail, we all know by heart who to blame…

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I had to switch to unity for one of my projects for these reasons:

1- Game Engine performance started slipping, and BGE is pretty far behind when it comes to graphics.(which is important in a simulator)

2- Distribution is hard to do with blender, as far as I know, you must have access, or know someone that has access to the OS that you want to distribute to. Again unity makes this easy when compared to BGE.

3- Blenders organization of logic bricks is pretty bad when developing a larger game, and this means de-bugging is much harder. Crossed wires can give you a headache pretty quick :slight_smile:

That said, I still love how quickly you can get a game idea “Working” in blender. You can see if the concept is good before spending weeks on making the “real thing”. This makes blender the perfect thing for “hobbyists”, of course there are users that are far from hobbyists, and can do some amazing things with BGE. If BGE would be made more efficient, and the graphics were upped some more, I could see blender being a more viable option for developers.

How is the process of assets importing from blender to unity3d? Is it pain or smooth? Thanks!

Asset management and importing is amazing in Unity. The workflow is very efficient.For those who make simple games bge is good but for something more ,no.
I really agree with kendrick.
Also, game publishing with blender is really bad.
Good luck guys! But as an advice from my experiece, if you are making somehing serious, it will be more efficient to further develop it on a dedicated engine, otherwise you will end up spending lot of time ,losing motivation …and at the end switch the game and so on … I am telling this from my experience.

It is pretty hard to answer this question as these people usually are no member of this community anymore ;).

I tried various game engines in the past as well. I stayed with the BGE for a few reasons:

  • most close to an all-purpose authoring tool (with the ability to create custom behavior)
  • it is embedded in the 3D Modeller (Blender)
  • very fast testing (just <p> and the game is running)
  • no need to fiddle with several different applications (import export etc.)
  • very visual approach to apply logic (1:1 relationship between visible objects and their logic) = very object orientated
  • the option to create complex behavior with customized Python bricks.

These where the conclusions some years ago. I still miss a few things:

  • not enough of an “authoring tool”. Means it is missing high level abstraction support which makes it harder to use by artists.
  • missing workflow. When it comes to a larger project there is no guide or support how to do that. Without prior knowledge there is nothing to tell what to do when to develop a game.
  • the restrictive perspective at the GPL. This makes it nearly impossible to create a game with own licences AND technical protection of the delivered files. This is no problem if you do open source anyway.

What can Unity do graphics wise that BGE can’t? OR is it just a matter of having all the shaders ready made for drag and drop?

Personally I don’t think graphics are important in simulators. It is one of the oldest genres around and were very successful even on Amiga. Graphics might be important for something like cinematic or realistic style but style is always matter of choice and making photorealistic game on any engine will be very hard and translate into many times the work compared to another styles.

2- Distribution is hard to do with blender, as far as I know, you must have access, or know someone that has access to the OS that you want to distribute to. Again unity makes this easy when compared to BGE.

You really consider having to switch to Mac and Linux to have the versions out an issue? In game development process that is but one tiny bit of work compared to the whole thing. And even on Unity you shouldn’t just release on a platform on a press of a button just because you can. You will want to offer dedicated support to that OS and you can’t if you don’t have it or haven’t run the game on it once yourself.

3- Blenders organization of logic bricks is pretty bad when developing a larger game, and this means de-bugging is much harder. Crossed wires can give you a headache pretty quick :slight_smile:

I moved away from SCA long ago. While that might be a step towards another engine sometime in the future going for python scripts is just mandatory in some extent. The ideal scenario is to use them in balance and many people seem to do it very well.

On Unity you won’t get anything happening without writing code in lines (or drag-drop ready written code you will want to tweak yourself) so I consider an additional SCA system a strong plus for BGE.

If BGE would be made more efficient, and the graphics were upped some more, I could see blender being a more viable option for developers.

No. It isn’t about what BGE is and what BGE can do, it’s what the users of BGE can do. I find it very unprofessional of an artist to blame his tools.

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‘‘I find it very unprofessional of an artist to blame his tools.’’

Actually you are wrong. Try and do reflections in bge (don’t tell me about mirror and reflection input ), try and have a decent bloom.How about a tree/forest scene with animated trees? How about particle systems, optimized not just logic bricks that emit objects that are calculated separately and kills cpu in no time.
What about workflow? No real support for prefabs.

Simple. Blender is not for games, it is only for prototypes.