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October 1, 2012at8:02 pm apexvj, design, English, flash, stage3d, 5 Comments
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Today I released the second version of APEXvj in browser. It took me several months to get this far. That’s simply because I only used irregular hours and minutes that was left from my everyday life. During these months I remade the whole thing several times. In this post I’ll show layouts and ideas I went through and why I ended up to decisions seen online today.

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What do you think of this? (5)

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March 20, 2012at1:09 pm air, apexvj, design, English, flash, stage3d, 18 Comments
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A couple weeks ago I released mobile version of my project APEXvj to stores. It’s made with Adobe AIR 3.2 and it works in iOS and Android. Since then I’ve been collecting feedback, reacting to those and continued to work on get it solid as possible.

The first release was in many ways total disaster and in other hand a priceless learning experience. This post will cover that and explain the design of gadget. I would also want to make one point (oh no…). This post covers many topics so if you find one boring just skip to next. It’ll also be pretty safe from hardcore coding stuff instead there’s a lot of pretty pictures :)

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In this post I’m going to explain some of my findings when playing around with Adobe’s Stage3D and particles. I have pushed the current version of particle engine called evoSpicyParticleEngine into GitHub, will show some examples how to play with it and explain tricks used in it.

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What do you think of this? (33)

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HeartOfGlass
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That’s 200 000 particle version. That might run on your browser.

So like I’ve written on this blog my particle engine can move large amount of particles from A to B and I can do custom tweening algorithms for that transition. Great… what then. I realized that using perlin noise for setting the B positions of the particles could turn this thing look quite interesting.

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PrimeSpermOfSibelius
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Prime Sperm of Sibelius. Music http://soundcloud.com/djlo/sibelius-finlandia-op-26-version-for-male-choir-and-orchestra

and of course.

AbandonedSpermOfSibelius
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Abandoned Sperm of Sibelius. Music http://soundcloud.com/yourhips/sibelius

These are a bit heavier then last ones. Too bad if you have slow computer and you hate classic music. :/

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PyroTechnicsExpoOut
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Here’s how I can ‘individually’ move massive amount of particles.
1. Give them start and end point.
2. Tween between those points in vertex shader.
3. Send only time value to vertex shader in every frame.

No there’s no catch. The movement doesn’t have to be linear. AGAL can do this thing called mathematics and is quite awesomely fast in it. Familiar easing functions can be rewritten into AGAL. Upper flash is an example use case of Robbie‘s legendary ExpoOut function.

And here’s example of ExpoIn function.

PyroTechnicsExpoIn
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OceanBubbles
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I’m working on a new particle engine (evoSpicyParticleEngine). That I’ll open source when it’s ready enough. Here’s some taste of it. There are 200 000 individually moving z-sorted particles. :D

I found the browser player a bit slow. Or well.. I know it sounds ridiculous to whine “it can only run some hundred thousand particles… nyyh nyyh” when we only had few thousand couple months ago. BUT the local standalone player runs way way way faster! On my OSX it can run almost million in full hd resolution. Maybe browsers limit the power or what?

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What do you think of this? (18)

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October 14, 2011at10:43 pm AS3.0, English, Experimentals, flash, stage3d, 7 Comments
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FourSparklers
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I just checked and yeah… I had almost a year break from releasing experiments. The very core content of my blog. What ever. Here’s another particle experiment. There are 87 380 balls doing their thing. I think this will lead to open source Stage3D particle engine lib and hopefully I end up adding these monsters to Away3D someday soon too.

This isn’t a perfect system yet and not fully optimized. Anyway.

What this thing does is:
1. Set start and ending points for particle vertices. (2304 in every frame)
2. GPU will tween between those points.
3. Plus all sort of funky stuff with colors and there’s light at the top of every particle stream. GPU will calculate distances to those and add more value to colors. As you can see.

Anyway that was the plan. In this case it started to behave funny when I adjusted my AGAL codes and the rule explained doesn’t fully apply anymore. So what I released here is a mistake, but I think it feels and looks great!

Here’s a link to that cool song.

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October 6, 2011at12:59 pm AS3.0, demoscene, evoTinyEngine, flash, 9 Comments
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SparkleaMoment
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You can watch it now or read this thing first. This post contains spoilers but it might help you to understand demo better.

There are several ways to view this demo:

1. The blazing performance and highest quality way (recommended):
a) Download the standalone player here. (NOT THE DEBUGGER)
b) Download the swf + mp3 here and open it with that player.

2. Play in browser. Great quality but not as good in performance.
a) By visiting this link

3. Watch the video.
a) HD Video at YouTube

Making of ‘Sparkle a Moment’ by Away3D Development Team and Evoflash

It was 18th of August when Rob Bateman, the head man of Away3D framework (the worlds most advanced open source flash 3D engine), sent me an email and asked for a demo for Robbie’s and Richie‘s session at Adobe MAX 2011. We did this sort of collaboration with Away3D guys last year. Although it was a insane job I was stoked to burn my self out a bit again for sake of art and passion for this sport.

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SalmonFlyingIntoLadasBackSeat
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I got a change to speak for three minutes at Flash on the Beach conference few days ago. I was one of the 20 speakers that got three minutes to show something they’ve done or discovered or whatever. The lineup was pretty damn hot in this session. One could build a conference around these people easily.

For some forsaken reason I was the last one of 20 to get into stage. So I had to wait 57 minutes behind the curtain. 57 minutes of nail eating, struggling against the pressure in my stomach and desperately meditating to keep my mental in some sort of order. The session it self went pretty well. I didn’t freeze too much. Hopefully FOTB will release videos from Elevator Pitch so I can see others stuff. They sounded really interesting behind the curtain.

My speech was about APEXvj of course. I’ll post video of it here if there’s gonna be one. The APEXvjDesktop is now in version 1.0 and we’ll move on to new project. We gonna get what we learned from earlier projects and build APEXvjHD with just Stage3D based effects. AWESOME! So related to that I showed this new Molehill experiment at the end of my speech. There are 87 380 particles flying. Movements and rendering are done in GPU so it runs pretty easily in full HD.

Here are songs that I used in my session:
Ellie Goulding – Lights (Bassnectar Remix) by Bassnectar
Blu Mar Ten vs Erykah Badu – You Got Me Remix
Oliver – I Need You

It was brilliant to meet so many web friends in real life. There are risks involved in these geeks + beer situations. No, it’s not that it’s only talking about coding.. ohh no, not at all. I spent several hours with David Lenaerts talking about how we could throw all sort of fishes in to a car. Concludes are that best fish for this job is Salmon and old Lada has simply best back seat for this sort of sport. “You know what happens when shit hits the fan? -Fish hits the van”. I also witnessed chicken and ninja moves by party-@nicoptere and learned some really kinky drinking games from @grapefrukt. We also solved the mathematics behind Joshua Davis’s talk.

So it goes without saying that FOTB was simply epic experience.

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