Posts Tagged: fun

It all began half a year ago when I sat down with a friend and fellow crew member, Stephan, and we agreed that Gothic was indeed one the best RPGs of all times (seriously, if you don’t know it and are into RPGs, you should get it). We also soon agreed that it would be awesome to experience it’s amazing atmosphere in a browser, using WebGL. Stephan shopped two shiny new copies of Gothic and we started hacking away and gave the project the very fitting title RavenJS…

Update: Stephan recommended to put the video on top,  so here it goes: Some impressions from RavenJS, enjoy (fullscreen and headphones recommended)!

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Update: Micheil Smith had a cool idea to improve this and posted it in the comments. I have updated the test page and the code examples to reflect his idea. Thanks Micheil!

Update II: Ben Hockey proposed to do the whole thing without using the pub/sub system. I for one think its a good idea, but in case you want the topic version, I’ll leave the test page and add another one with the topic-less version. Thanks Ben!

Update III: Dojo 1.5 introduces robust Promises with dojo.deferred as Krys Zyp explains in this SitePen post.

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One of the things/ideas/concepts that I really like about CommonJS is Promises.

Promises? A brief explanation from the CommonJS API:

Promises provide a well-defined interface for interacting with an object that represents the result of an action that is performed asynchronously, and may or may not be finished at any given point in time.

To hear more about Promises, I highly recommend these two posts.
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If you use animations, you probably use them to animate CSS properties. But this post is about some real bareknuckle animation – using the dojo toolkit. We’ll have a look into dojo.Animation and talk about the curve, the line, easing and rate, and we’ll check out (the somehow undocumented) dojox.fx._core – and see how to work with multidimensional lines.

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In the series “convenience wrappers for small tasks that increase code readability”, today contains() is starring. Having a contains() method could also serve another purpose: to maybe prevent people from using match() to find out if a string contains a given substring (what is still proposed in some JS tutorials out there…). So, I want the contains() method to also have a switch to work case-insensitive.

Besides indexOf(), there are some other ways to achieve this, so – let’s have a competition and find out who’s the fastest!
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Well, I don’t really see a use for FloatingPane, except as a windowing system for projects like LucidDesktop, but I got the impression that many people just love the FloatingPane. However, it caught my attention these days.

One of its major drawbacks – and the one that keeps it pretty far from becoming a joyful member of the dijit namespace – is the lack of keyboard accessibility. It has plenty of other issues and could use some refactoring, but this one is outstanding. Hm, adding keyboard access shouldn’t be too hard I thought and went for it…
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Most cases where you find String.substr() in the wild are to check if a given string begins with a certain other string. Be it checking for a prefix or sorting out zipcodes that begin with certain numbers. And because code readability is a good thing (really, it is important), it would be nice to have a String.beginsWith() method. Or, because of dojo love, a dojo.string.beginsWith() method.

Consider the following code:

var nearbyZipcodes = dojo.filter(givenZipcodes,function(zipcode){
    return dojo.string.beginsWith(zipcode,'12');
});

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Screenshot

One of the things that fascinated me most about computers since I was a teen, was their ability to simulate a three-dimensional space where one could move around in.

That’s why I was so intrigued when I read Jacob Seidelin’s post about “Creating pseudo 3D Games“. I had to play around with it, as I wanted to have mouse control in it, but performance was so bad that it was impossible. So I laid aside that idea. Eventually, he continued this project and used it for something pretty awesome called “WolfenFlickr“, where you can walk around and look at Flickr photos, attached to walls. As I said, pretty awesome.

Anyway, what I wanted was mouse navigation and strafe keys, as you have it in shooters – this kind of moving around always gives me the feeling of being “free“ in a way. Experiencing that freedom in a web page (w/o flash, of course) was still on my mind.

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