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21 May 09

James Grenning’s Blog » Blog Archive » Planning Poker Party (The Companion Games)

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Planning Poker in detail

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Welcome to Pivotal Tracker

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19 Nov 08

EA on iPhone game development: the accelerometer's no good for precision - Boing Boing Gadgets

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accelerometer iphone software engineering

the accelerometer's no good for precision
Why is the iPhone's accelerometer so crap at steering?
5 more annotations...
- "Think of it as a loose analog stick...you get lots of random data."
- various iPhone accelerometer smoothing algorithms
- using the accelerometer to steer or control an on-screen character is just never going to be as responsive or exact as a D-pad
- I suspect we're going to see a gaming culture on the iPhone based more primarily around multi-touch.
- Perhaps it's not that there's noise in the accelerometers. Perhaps it's that there's noise in the hands of the person playing. D-pads de-bounce signals from their contacts, insulating players from the consequences of inconsistently applying pressure to a contact.

Apps Touch: The iPhone a good platform for game developer ?

So not only you have to be up to the game programming challenge, which would be enough to keep you busy, but you have to fight against the API's and, most importantly, the language.

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iPhone main CPU is a Samsung ARM9 clocked at 412 MHz. The phone also has a PowerVR MBX 3D GPU, the mobile version of the GPU that powered the regretted SEGA Dreamcast. So clearly, the iPhone seems to have what it takes to make visually stunning games. The screen is spacious, offering a comfortable 480×320 pixels resolution and is multi-touch.
features 3 accelerometers
18 more annotations...
- generous storage space (8 or 16 Go models right now
- distribution model (game under 10Mo can be downloaded on the cellular network, over wifi otherwise)
- the absence of physical button
- IDE, debugger, simulator, profiler, etc…
- OpenGL ES, the mobile version of the established 3D API
- Quartz bring unprecedented level of quality for a 2D API
- Open AL provides positional audio
- Core Audio give access to a simple sound playback, sound manipulation as well as recording
- Coming from the desktop version of Mac OS X, those API's are deep and rich, and should cover a great deal of developer's needs
- can code in C and C++
- Objective-C
- promoted
- Free SDK
- Download the SDK, and you are set to go.
- You pick the price, and Apple keeps 30%
- innovation
  - low market entry treshold - on 2008-11-19
  Add Sticky Note
- More over, when you look at the demographics, people spending that kind of money on a mobile phone and an associated plan, those people are no kids.
- The battery might be a problem too. With 3G and OpenGL 3D graphics the device's autonomy is clearly reduced.

07 Sep 08

RPy home page

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30 Aug 08

untitled

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scripting software engineering oo article

A lot of factual errors (I highlighted a few but there are many more (didn't have much time)) but still contains some interesting information. - triquetra on 2008-08-30

The reason why object-oriented programming doesn't provide a large improvement in productivity is that it doesn't raise the level of programming or encourage reuse.
- Not true. OOP does encourage reuse. Reuse is one of the main points of OO. - on 2008-08-29
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In an object-oriented language such as C++ programmers still work with small basic units that must be described and manipulated in great detail.
- Not true. Programmers can work with objects which consist of multitude of mutually different objects working together to achieve their parent object goal. Such programmers do not care about the implementation details of the parent object. The only think they need is its public interface specification which, in some cases, may consist of one or two operations. - on 2008-08-30
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4 more annotations...
- The strong typing of most object-oriented languages encourages narrowly defined packages that are hard to reuse.
  - Misconception. Not all OO languages are strongly-typed. - on 2008-08-29
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- Implementation inheritance, where one class borrows code that was written for another class, is a bad idea that makes software harder to manage and reuse.
  - Absurd. Inheritance is all about reuse. - on 2008-08-29
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- a subclass cannot be understood without knowing how the inherited methods are implemented in its superclass
  - Nonsense. In well designed systems the implementation details are not important. Only class public interfaces matter (i.e. specifications of operations, not how the operations are implemented). - on 2008-08-29
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- Scripting languages, on the other hand, have actually generated significant software reuse.
  - This line (along with the preceding and following lines) does not really make much sense. Scripting and OO languages do not make mutually exclusive categories. In other words, there are languages which are both scripting and object-oriented. - on 2008-08-29
  - This line (along with the preceding and following lines) does not really make much sense. Scripting and OO languages do not necesserily belong to mutually exclusive categories. In other words - on 2008-08-29
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11 May 08

Yahoo! UI Library: YUI Theater

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Agile Data Home Page

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18 Apr 08

07 Apr 08

The Django Book

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06 Apr 08

import this.

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03 Apr 08

Version Control with Subversion

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31 Mar 08

Boost C++ Libraries

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27 Mar 08

Agile/Lean Documentation: Strategies for Agile Software Development

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21 Nov 07

BerliOS Developer: Subversion (SVN) HowTo

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22 Oct 07

Edgewall Software: Python Sidebar

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01 Oct 07

PyNSource

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