Robots w/Lasers

April 26, 2006

Saving to SRAM, Loading for All

Draw version R10 is released! The new features are:

  • Saving to SRAM, flash-cart users can now save!
  • Loading saved .png from CF/SD adaptors
  • Loading saved image from SRAM (again, for flash cart users)

Now, I don’t have a working flash cart, so I would be grateful if you could test out the loading and saving to SRAM, and post the results into the comments here. The main limitation is that I can’t save larger than 64KB images to SRAM. This will be solved in the future (most likely by lowering the image quality, there are several optimizations I can make.)

Download R10 .zip
Download R10 .zip for Supercard CF users




Whee, I can draw with color
Filed under: Draw, Nintendo DS — davr @ 10:42 pm

April 25, 2006

Flash is still better than AJAX

So I’ve been ignoring the whole ajax/js/dhtml thing, only doing flash programming. It turns out that the implementation of XmlHttpRequest has a few major shortfalls. Short summary of linked article:

  1. There are no persistant connections. This rules out any type of ’server-push’ programming model, forcing clients to poll the server, which either puts more strain on bandwidth and server resources, and/or increases lag time between updates.
  2. You can’t turn off HTTP request headers

So in essence, AJAX coders are still stuck with LoadVars. They don’t have anything that offers the functionality of XMLSocket (persistant connections, ability to send whatever data you want).

The one shortfall of XMLSocket (text only data, must be null-terminated), is removed in Flash 9 (formerly known as 8.5), and already I’ve seen a flash-based pop3 example as well as a flash-based vnc viewer/client.

The solution is to modify the implementation of XmlHttpRequest. The above article talks about some possible fixes. This would really be a boon to all the “Web 2.0″ coders who for whatever reason are unable to use Flash.

Filed under: Flash — davr @ 5:44 pm

April 24, 2006

DS Wifi Lib v0.3!

After much waiting, and much complaining by the community, Stephen Stair finally got most of the basics working! WEP, DHCP, TCP, ICMP, DNS, WFC data, and various other acronyms are all supported now!

Expect to see many neat things from the homebrew community in the coming weeks!

Link to wifi lib release

Filed under: Nintendo DS — davr @ 1:32 pm

April 21, 2006

Dynamic Sound in 8.5

Please see this update

As far as I know the company formerly known as Macromedia did not add any kind of dynamic sound generation methods to ActionSciprt3 / Flash 8.5. However, they did add two features we can use to hack it:

  1. ‘ByteArray’ class which is a low level data class
  2. ‘Loader’ class (formerly MovieClipLoader) can load from a ByteArray, as well as the normal loading from a URL.

So the theory is, I generate valid swf into a byteArray that simply contains sound data, then I load that and it plays.

This would involve me understanding the swf binary file format…however that’s a bit of a pain, so I cheated.

  1. Create a .fla in Flash 8 & import a sound into frame 1
  2. Copy & paste the entire data from the .swf into an array in my AS3 project
  3. At runtime, replace the central part of the array with new data (leaving the header and footer of the data intact). Just a bit of trial & error to see how much data needs to be left

Here is a very simple example:
(more…)

Filed under: Flash — davr @ 11:39 am

April 19, 2006

JetBlue Easter Egg

This is hilarious. I wonder how long until this gets pulled out. Someone’s head is definately going to roll.

1. Go to JetBlue Routemap
2. Click on any destination airport
3. Hold shift and type PBJ

UPDATE: As I write this, the page no longer has the animation, and only has a static image now. Here is a screenshot to see what you missed.

Filed under: Flash — davr @ 2:58 pm
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