Events
An event system can be both useful and dangerous. Useful, because it allows you to create loose couplings between systems in the engine (an ...
The BitSquid low level animation system
In the BitSquid engine we differ between the low level and the high level animation system. The low level system has a simple task: given an...
Picking a scripting language
We are planning to make the BitSquid engine largely scripting language agnostic. We will expose a generic scripting interface from the engin...
First profiler screenshot
We now have the BitSquid thread profiler up and running. The profiler is a C# application that receives profiler events from the engine over...
Parallel rendering
I've spent the last week designing and implementing the low-level parts of the renderer used in our new engine. One of the key design pr...
Simplified JSON notation
JSON is human-editable, but not necessarily human-friendly. A typical JSON configuration file: { "ip" : "127.0.0.1",...
Multithreaded gameplay
How do we multithread gameplay without driving gameplay programmers insane? My current idea is: Do all gameplay processing as events reactin...
Two way serialization function
A trick to avoid having to keep the serialization code for input and output in sync is to use the same code for both input and output: struc...
JSON configuration data
The BitSquid engine will use JSON as an intermediate format for all generic configuration data. JSON is better than a custom binary format b...
Simple perfect murmur hashing
A simple way of finding a perfect (collision free) murmur hash for a set of keys S is to simply iterate over the seed values until we find ...
Welcome to the BitSquid blog
This blog will collect rants, ideas and random thoughts about the development of the BitSquid game engine. See: http://www.bitsquid.se for ...
Help AutoCAD Users Visually with Transient Graphics – Part 2
In my previous article ( Part 1 ), I showed how to use AutoCAD (2009 or later) Transient Graphics to highlight entities in interest when mou...
Help AutoCAD Users Visually with Transient Graphics – Part 1
An AutoCAD drawing could contains tens or hundreds of thousands entities, which makes it very difficult for a CAD user to find certain entit...
Hello, My Readers
From my blog title, you must have already known the main topics of this blog are about AutoCAD related programming. My 15-year programming e...