Welcome

DiceEQ helps users of the d20 and other similar table-top gaming systems to play out actions involving dice. It especially helps Dungeon Masters to manage many different characters during an encounter, getting the result of all attacks with a single button.

Welcome to TroolStudio. Our projects range from web-based tools to customized site design to quirky iPhone applications. Take a moment to browse what we have to offer and be sure to provide feedback on anything you try out. As part of a well-balanced diet, the TroolStudio logo eats positive and negative comments equally.

Looking for the latest news on our works-in-progress? Check out the projects page to find details and screenshots from each app. Browse our Blog to watch us work out the bugs, add the cool stuff, and debate the meaning of a computer's life. Leave comments and questions using the Contact form, and thanks for visiting!

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Hungry Vortex Released

Just got a note from Apple that Hungry Vortex has been approved at the app store. This is really a follow up to Vortex Pool, but with better everything. The game play has been tweeked, there are now multiple modes and power-ups. We’ve also added achievements, game center integration, way better graphics, and LOOT (so you can customize the game’s look). Check it out in the App Store or look at our page for the game. As always let us know what you think in the comments and feel free to rate it if you get the chance.

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DiceEQ iOS4 Problems

UPDATE: Added a new version that seems to fix some of the issues. Unfortunately, there still appears to be a problem with iPhone4. DiceEQ on iPhone4 does not save all of the stats on exit. I only have an iPhone 3G so will try to find someone who will let me borrow their iPhone4 to fix this new bug.

First thanks to all who told me about DiceEQ issues with iOS4. It’s cool to see people actually using it. Since I have a 3G iPhone I didn’t immediately update to iOS4 and so wasn’t aware that anything was wrong. However, now that I am, the problem has been fixed and the updated version is out to Apple for approval. I’m hoping it’ll be out in the next few days. I’ll update you all when it is.

VortexPool appears to be working fine with iOS4.

Graphsy Update: Shelves and Bug Fixes

It’s been a while, but here is a new update for Graphsy.  The biggest change is the new shelves system for storing and using common objects. I have also changed the default behavior to have the shelf panel visible when Graphsy loads.  Every user gets two shelves by default, Basic Shapes and Basic Shapes with Anchors, but can create any number of shelves.  Adding and removing objects is done by dragging them into and out of the shelf and individual shelves can be stored. Here is a brief video tutorial on how to use shelves.

In addition to shelves, several other things have also changed.  First you’ll notice that the logo at the top has gotten much smaller and the drawing area has gotten much bigger.  I have also taken the time to fix many bugs (most of them dealing with Internet Explorer) and improve performance accross all browsers, so hopefully you’ll find using Graphsy more pleasent.

As for the future, the next big updates will involve grouping objects together, creating tables. exporting graphs as PDFs, and sharing shelves among users. Let me know if you have any other ideas.

Short Graphsy Update

Haven’t posted anything lately so I wanted to catch everyone up on my progress. For the past few weeks I have been implementing a kind of shelf system to store custom shapes. That is more or less done. What’s holding up the update right now are some small bugs, UI enhancements, and performance upgrades.

One of the things I want when the shelves system is done, is to release many different object that could be used in several different chart drawing projects. However when creating them I ran into a few bugs and performance issues. These are being sorted out right now.

In addition to those, I also began to clean up the UI elements. Some of the buttons did not look correct and consistent, so I am changing those as I go. I also shrunk the Graphsy logo to give more drawing room to the user.

I’m hoping to get all of the features done in about a week, so if everything goes right you should see a new and improved Graphsy version after that.

After this upcoming release, I will spend some time updating the videos, front page, blog, and the help system of Graphsy. In the mean time feel free to request new features or report bugs.

Does everyone need to learn how to write code?

I have been debating this with myself for quite some time now. On one hand, it seems that writing code, or at least understanding enough about code to edit it, is quickly becoming a skill most people will find helpful to have.  Something like knowing how to put together IKEA furniture, not completely necessary to do, but helpful if you know how. On the other hand, however, developers are doing a good job creating tools that abstract the code via some visualization. At the end of the day, these tools still produce code, but the user never has to see it.

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Graphsy Update: Custom Shapes

Sample ShapeI’ve just added the ability to create custom shapes to Graphsy. This update ads a new button to the tool bar, right next to the object creation button. As with all of the previous drawing tools, users can choose to draw a single shape or several. Hitting the button once enters single shape mode and hitting it again will place Graphsy into infinite drawing mode, until the button is hit a third time.

The button that begin the custom object creation process.

When actually drawing shapes, you begin by clicking once on an empty spot, to select where the shape will start.  Then click again to draw the first edge of the shape.  Then, each additional click adds another edge. To finish drawing the shape, you have to click on the starting node.

shape_cmenuThe custom shapes have the same context menu as the regular shapes with one additional button.  In the lower left corner of the context menu there is a button to edit the shape.  By clicking on that button, or pressing ‘z’, you can edit the shape by moving, deleting, and creating new nodes.  All of those are accessible from the appropriate context menu.  A selected node can be moved or deleted it via its context menu.  Selecting an edge enables one to split it at the point of selection, again via the context menu.

The shape objects can be used in the same way as the regular shapes.  One can change their width and height, animate them, or change their color properties. Everything that can be done with regular shapes can be done with these “custom” shapes.

Next on the agenda is to create a way to group objects together and save them into libraries that could be shared with other users.  I’m still trying to figure out a good name for the library, right now I’m thinking shelf, but if you have any suggestions please post them in the comments or email me. I hope you guys like the new feature, as always let me know what you think.

To finish up here is a demo of the shapes:

Graphsy Gets Animated

This has been a long time coming.  I’ve just added animation capabilities to Graphsy.  They are simple to start with, a Fade In, Fade Out, and Move animation.  But that should be powerful enough to create something interesting.  The best way to explain all of the new functionality is really just to show you.  So here is a short video demoing some of the animation capabilities.  As everything else, animations can also be embedded, if there are animations, animation controls will appear on an embedded item.  I hope you guys try this out and let me know what you think, either here or email me at max@graphsy.com.

Here is also a simple example of an embedded Graphsy animation. Hit play, followed by next:

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What's up with Graphsy

Just wanted to drop a line about a new features I’ve been working on.  It’s not on the list of requested features, but I think it’s pretty cool none-the-less.  I wanted to create controls that would allow for simple animations of graphs.  Something where nodes can be rearranged to demonstrate a point.

The impetus for this feature came from wanting to write a post clustering and how it relates to software engineering.  I wanted to use Graphsy for illustrations, and then thought about using animations to demonstrate clustering.  Clustering and animations are a very natural fit, but Graphsy did not have that available.  So I figured I would create it.

As I started implementing the features I realized that it is going to be a bit more work than I originally thought.  A few things in the low levels needs to be changed to make room for it.  And, as I was creating it, the interface I wanted to use for it changed as well.  The feature has morphed from something really simple to something a bit more powerful, but hopefully still as simple to use.  I’m about half way there right now.  I’ve crossed most of the major hurdles already and can create some very basic animations.  What’s left is cleaning up the UI, adding build in and build out animations, and creating a player available in the embedded version of the graphs.

I hope to finish this in the next two to three weeks.  With a post about the features will also come a post about clustering to demonstrate the usefulness of Graphsy.  I hope people don’t mind me going off the path, but I really want to get Graphsy to a point where I use it as my main graph creation/editing tool.  It’s not there yet, hence the alpha and not beta, but hopefully it’ll get there in the next few months.

Testing the Tests via Mutation

HELMAND PROVINCE, AFGHANISTAN - JULY 21: A KBR...

To set the ground for this post I first need to reiterate a message that has been heard from many other sources.  Code coverage can only tell you how bad your test suite is, not how good it is.  Meaning that if you have bad coverage you know something is wrong, but a high coverage number tells you virtually nothing.  This message seems obvious for many developers out there, but it’s not heard by a surprisingly large section of them.

I have been a teaching assistant for several undergraduate and graduate testing classes.  Every year when I grade their unit testing projects I always get several of them (about a quarter) that hand in tests with “good” coverage, but not a single assert statement to check the results of their tests.  This is even after I get up in front of the class and rant about the exact problem from previous years. Needless to say those students tend to do poorly.

So, if test coverage is not a good metric, how can developers measure the quality of their test suites?  I’m going to talk about one approach in this post, mutation testing.

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Graphsy Update: Save Your Colors

This new update brings with it a way to store colors in palettes.  The color picker has changed to include enough space for 23 colors.  Once a color is selected the user has to simply drag it from the display into 1 of the 23 slots available.  These color choices will stay with the user across all of the projects and will be remembered when relaunching Graphsy.

The next feature I am working on is custom shapes.  I want to let users create custom shapes, combine them together into libraries, and share those libraries with others.  There is lots of work that needs to go into this, but I hope to have the basic creation tools available shortly.  Check out a list of features that were requested by other users, vote for your favorites, and add new ones at www.graphsy.com/request.

Since all of these updates, the tutorial videos are really getting out of date.  I’m going to spend some time this week updating them.  Hopefully I can get the object creation feature out in 2-3 weeks, unless work gets in the way again.

Anyway, here is a screenshot of the new feature.

New Color Picker

New Color Picker

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