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The Curiously Recurring Gimlet Pattern

An Application for Creating Novel Escher-like Tessellations of the Plane

  Posted by jwezorek, 16 November 2014 · 862 views

Over the past several weeks I have been investigating desktop applications for creating novel Escher-like tilings of the plane. Basically I’ve determined that none of what is publicly available is useful to me. The game I have in development will involve an animated Escher-like tessellation of a double logarithmic spiral — see here . The “logarithmic spir...

What I am working on…

  Posted by jwezorek, 17 October 2014 · 430 views

I’m working on a puzzle game for iPads that takes the mechanics of a somewhat obscure game from the 1990s(*) and puts them on a double logarithmic spiral.

The final app will be styled similar to one of M. C. Escher’s tessellations of the plane with the tessellation changing at level breaks. I don't have a name yet...

Gameplay will be like the foll...

Discretely Distributed Random Numbers in C#

  Posted by jwezorek, 02 October 2014 · 1,184 views

Random numbers generated from a discrete distribution are commonly needed in game development.

By "discrete distibution" we just mean the roll you get from something like an unfair die, e.g. you want a random number from 0 to 5 but you want 4 and 5 to be twice as likely as 0, 1, 2, or 3. If we think of each possible random value as having a weight, in th...

Cocos2d-x + Box2d Breakout Updated

  Posted by jwezorek, 16 August 2014 · 495 views

Cocos2d-x releases since version 3 have broken compatibility with old tutorials. This can especially be a problem when you want to do something slightly non-standard from the point-of-view of Cocos2d-x.

If you want to use physics in a Cocos2d-x game the current standard way to do this is to use the integrated physics classes, which are Chipmunk-based by...

Zzazzy 1.0.0

  Posted by jwezorek, 26 July 2014 · 1,071 views

My iPad game Zzazzy has made it through the review process and is now on the App Store: see here .
I will be updating the page I have for it here this week with more detailed instructions than what the app itself provides (There is a tutorial mode but it really just covers the basics), but basically it is an action puzzle game in which you lay tiles on a...

Snurtle and My Greatest Contribution to Mathematics, Such That It Was

  Posted by jwezorek, 15 February 2014 · 724 views
language design
This summer coming up will be 20 years since the summer after I graduated from college. I’m currently in that golden period in between software jobs — starting a new one in March — and, given the free time, have just done something which I have been meaning to do since that summer.
I generated the following image in a non-ad hoc manner, with re-useable so...

New Zzazzy screenshot

  Posted by jwezorek, 20 August 2013 · 586 views

Here is what the game is looking like currently (click for full size ):


The World’s Simplest 2D Curve Library

  Posted by jwezorek, 11 February 2013 · 1,209 views

For the game I’m working on I need to have sprites that travel along curving paths.I’m talking about the sprites traveling along somewhat arbitrary curves, meaning curves that look good, not curves that result from gravity or other physical forces. If you need those kinds of curves, e.g. the parabolic trajectories of cannonballs, you need to simulate the...

Syzygy Update

  Posted by jwezorek, 10 February 2013 · 956 views

So, looking at the early entries of this blog, I must have started working on Syzygy around the beginning of the year 2012 because by March 2012 I had the Win32 prototype done . At that time, I didn’t own a Macintosh, didn’t own an iOS device, had never heard of cocos2d-x, and, professionally-wise, was still writing image processing code for a company in...

Marble Madness Madness

  Posted by jwezorek, 19 January 2013 · 1,065 views

gamedev.net recently linked to this video about the making of Marble Madness , which got me thinking about the raster-to-vector via contour extraction code  I wrote in Python last year and the fact that, it being the future and all, I can probably find all of the art from Marble Madness unrolled into a single image file. So three clicks later and, oh yeah...