robothead

Flash and Unity development

Let’s Greeble! 5 Minute Cities with Greebles in 3ds Max

Posted by robotheadgames on October 20, 2014

In my first post on #5 minute cities, I mentioned the Greeble plug-in for 3ds Max. It’s a great way to add detail or even build whole cities, realistic or sci-fi. And it does take 5 minutes, and even less just to greeble. Just install the plug-in, available here for Max versions up through 2015, and select Greeble from the drop-down Modifier list. That’s it. I started with the Greebling tutorials on Digital Urban, first to greeble a skyscraper and then a whole city.

Greeble Towers

Greeble Towers. Make a shape like a cylinder, cube, tube or cone, then greeble, tweak, rinse and repeat. Tapering, twisting or skewing towers prior to greebling them can generate all kinds of interesting contemporary or futuristic shapes which are a nice alternative to boxy buildings.

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And a whole city (or part of one, really). Just make a plane (the tutorial suggests 10×10 segments) and greeble it. A bit crowded, but rather convincingly like the slightly lower-rise blocks of Manhattan. I like how the little greeble blocks on top add realism, like the HVAC units and other boxes and gizmos found on top of tall buildings.

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Copy and rotate your blocks and tweak greeble values like Seed and Max Height for variety. Add your towers in. The plainer buildings can be greebled again for more interesting geometry, though it’s starting to resemble to surface of the Death Star. (This may be good.)

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Finally, terrain objects can be greebled. Take a plane, apply Displace using a bitmap (similar to doing it in Bryce), apply Quadify Mesh and then Greeble. Since, greebling adds polys, the plane can’t be too high-res. (40×40 segments worked well.) Decreasing the number of segments and tweaking Quadify (or using Subdivide instead) can generate interesting architecture ranging from the dystopian to the downright alien.

Happy Greebling!

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Mouse Platformer: Flash and Unity Engines in Review

Posted by robotheadgames on October 9, 2014

And some thoughts on all 4 demos and their engines…

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Demos can be gotten from the Box widget at top right or here:

Edward Engine in Flash

Unity 3D

Unity 2D

Flash with Flare 3D

Reviews and engine links below the jump…

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One platform game, two more demos: Unity 2D, Flash with Flare3D

Posted by robotheadgames on October 8, 2014

2D Unity? 3D Flash? What is this witchcraft? A lot seems to have changed since I first posted my platformer demos. My recent progress in building a true 2D platformer in Unity 4 has already been pretty well documented under the Platformer tag. But I’ve also built a demo using 3D graphics and 2D movement using Flash, FlashDevelop and Flare3D.

The new demos can be gotten in .zip format from the Box widget at the top right or here:
https://app.box.com/s/2g7by9bohg9o9j5bv14s (Unity)
https://app.box.com/s/b7g3fghpa78ed2sztf33 (Flash/Flare 3D)

Screenshots and experiences follow…

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Tumblr

Posted by robotheadgames on September 16, 2014

I will be crossposting some of these posts over here:

http://robotheadgames.tumblr.com/

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5 Minute Cities Revisited

Posted by robotheadgames on September 16, 2014

It’s been a while since I made one of these. Past entries in this series are here and here. As the linked YouTube tutorial from the first post explains, you can make these in 5 minutes. (Or a bit longer.) Using Bryce, which, while old, is very, very cheap (used to be free) and has nice, powerful tools for creating lighting and atmosphere. It’s no longer supported on Mac and won’t run in newer versions of OSX. Windows 8 is fine.

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…Default view with preset and tweaked atmospheres. More views:

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I like making them look more stylized and cartoonish. The very blue one reminds me of 16-bit city backdrops. I may use these for a shooter or perhaps a new version of my Funky Robot game. (The first game I ever made!)

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Mouse platformer update: Simple 2d enemy movement in Unity 4

Posted by robotheadgames on September 5, 2014

Finally, before going in and tweaking the mouse platformer demo, adding my own art assets, etc., I wanted to get some basic enemy action going. Baddies who’d go back and forth and you could jump on and squish them. (Or whatever happens when you jump on your enemies.)

The example project has enemy spawners sending small hordes of them down through the platforms. I liked how this worked – it reminded me of old run-and-gunners like Gunstar Heroes when there seemed impossible numbers of baddies on screen but perhaps that was just clever game design. However, it seemed like the wrong approach for my game.

For now at least, I want the whole game to be about jumping. Shooting is fine but for this game perhaps it should be limited, like Mario’s fireballs, if even. I wanted enemies my hero would jump on or punch from below while jumping. (More on this in a bit.) I also wanted two classes of enemies for now – one that flew and another that stayed on the ground. Referencing my first blog post on this subject, Edward Engine had flying enemies and the Lerpz tutorial had ones that stood around in an idle state until you got too close and then they’d attack.

However, the ground based enemies I came up with are not like the Lerpz baddies. I may make a similar class to those later. Both my classes of enemies go back and forth, presumably keeping a vigilant eye on my hero and making life hard for him

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Simple Jump Pads and Wind Zones in Unity 2D plus Errata and Lerpz Tutorial Links…

Posted by robotheadgames on August 30, 2014

First, I goofed in my last post on the mouse platformer. The platform trigger should be set to this:

errata_triggerSettings

Oneway should be checked OFF. Why? You only want it enabled when it is triggered. Otherwise, when enemies come down from above, they will fall through all the platforms. Note: I’m using the enemy script from the 2D example, I am not sure what the enemies will do in my final game yet. Perhaps they won’t follow physics. It will be a learning experience.

Also, if you are looking for the Lerpz tutorials I mentioned in my first post, they are gone from Unity’s site. The PDF’s can be downloaded from here (2D) and here (3D). Assets for the 2D game (actually the whole 2D Unity project) are also on GitHub. 3D assets including scripts (which aren’t fully documented in the PDF) are in this project based on Lerpz 3D. They are also probably in this game also based on Lerpz (I haven’t checked.)

Next, how to make those jump pads and wind…

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Simple One-Way Platforms in Unity 2D

Posted by robotheadgames on August 26, 2014

That’s right… 2D, not 3D…

I’ve been recently revisiting my mouse (the rodent, not the controller) platformer and I wanted to try out Unity’s relatively new 2D tools and see how they compared to Flash.

Note: I still like Flash, I’m quite comfortable with it as a 2D game dev tool and with AS3 but Unity has grown on me for game development.

Anyway, working from the 2D example project, all was well, except for one thing. One-way platforms. Again, you don’t get them out of the box. In 3D, as noted in the earlier post, this is easy enough to do by using a plane as a mesh collider. Unity could have made this easy in 2D by including the option of a one-way edge collider but they didn’t, edge colliders are two-way only. It seems to be a major oversight as one-way platforms are a major part of many old school 2D games. And they are an essential part of my mouse game. The entire game feels different without them.

There seems to be a good bit of demand for this feature and I found a number of solutions online. One, they have implemented a Physics2D.IgnoreCollision function in Unity 4.5 which seems to be most helpful. However, the simplest solution seems to be this one and it even works in Unity 4.3:

http://physicist3d.blogspot.com/2013/12/unity-tutorial-how-to-make-one-way.html

By Sudhir Attri. (Thanks dude!) Basically you make an empty GameObject as a child of your platform, give it a box collider that sits right below your platform and make it a trigger that turns the platform’s collider on and off. (Dead simple with their script.) That way your character can jump up through the platform and land on top of it. Success!

Except there is a problem. This only works once per game. Let’s say my mouse falls down from a higher platform and has to go back up. But he can’t, as the one-way platforms he’s passed through are no longer one-way and are blocking his way. This will not do.

Here is the solution I came up with. It’s simple: 

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Blippix: Bit Warrior Updated With More… Bits

Posted by robotheadgames on April 7, 2013

Added a few things which make things a bit more interesting (hopefully) and harder (definitely).

Black bits are like the invincible white bits… only invisible too. Not really, since they have an outline.

Chameleon bits change color. I already hate these but in a good way.

Yellow bits act as bombs that blow up all RGB bits onscreen… this is actually helpful.

Purple bits reset the clock – helpful as well.

Next I should work on the difficulty curve of the game and possibly add a few bosses. While I am a bit resistant to boss battles – they are a videogame cliche, are already used in sp8ce and may interrupt the flow of Blippix – I have some good ideas for bit-ty bosses that allow for gameplay experimentation.

Play the latest version on Kongregate: http://www.kongregate.com/games/robotheadgames/blippix-bit-warrior

Or download .swf or .apk from the Box widget @ right or from https://www.box.com/s/889b3d397a074ecc6f6f

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Blippix: Bit Warrior Beta

Posted by robotheadgames on April 4, 2013

Formerly BitWar… for Flash desktop and Android .apk.

Now up on Kongregate: http://www.kongregate.com/games/robotheadgames/blippix-bit-warrior

Or download from the Box widget @ right or from https://www.box.com/s/889b3d397a074ecc6f6f

I have some more ideas for this game. More opinions and ideas couldn’t hurt either.

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