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So far johnstejskal has created 74 blog entries.

How Nintendo’s wisdom Saved my Dream Indie Game from Disaster – DevLog

By |2020-08-22T05:12:24+00:00August 22nd, 2020|Categories: Uncategorized|Tags: , |

I came close to ruining my indie game BloodAndMead. I was too close to the project and didn't see the critical flaw which stared me right in the face. Thanks to a close analysis of Nintendo's Super mario design, I was able to rethink my coding implementation and save my game from the dumpster. This is [...]

How to use Unity Prefabs – Game Dev Classroom

By |2019-05-17T13:12:43+00:00May 17th, 2019|Categories: Unity3D|

Unity Prefabs are a powerful yet often confusing system. In this tutorial I explain everything you need to know about using them. This is the first of a new game dev lecture / classroom series. Topics covered in this video include: workflow examples, nested prefabs, unpacking prefabs, editing master and instances. […]

How to stop rigidbodies sliding and falling off moving platforms in Unity3d and 2D

By |2020-02-14T16:05:38+00:00August 27th, 2016|Categories: Game Development, Unity3D|

In this post I will demonstrate a solution to the common problem of slipping off moving platforms in Unity when using RigidBody game objects. The problem can be encountered in both 2D and 3D games, I will cover two known solutions I have come across, and explain in detail the solution I have applied in the game [...]

My latest project launched, The Solar Journey – An 3D interactive web adventure through the solar system

By |2016-06-09T07:19:34+00:00June 9th, 2016|Categories: Game Development, JavaScript|

After several months of on and off tinkering, I finally managed to pack up and ship my latest personal indie project. I present to you, The Solar Journey. It's an interactive 3D, web app which allows you to explore and learn about the solar system in a rich and exciting way. Built in Html/css and Javascript then [...]

Remote Debugging mobile apps using javascript and JSConsole

By |2015-12-17T00:12:54+00:00December 16th, 2015|Categories: JavaScript|

JavaScript developers will spend most their time in the Chrome debugger, only to discover when they actually deploy to a mobile device their fancy mobile app hits all types of script errors. The problem is, you don't have access to a console window on mobile browsers (out of the box) to see where the code failed.  Let [...]

Detecting device orientation change in javascript

By |2015-10-25T09:05:17+00:00September 28th, 2015|Categories: JavaScript|

I've recently been getting stuck back into mobile app development in javascript. Being able to detect orientation change allows is really useful, It can be used to force users into a specific orientation by throwing up a notification panel saying "Please hold the device in landscape for this app". Such scenarios are particularly important when developing [...]

How to create realistic smoke in Unity

By |2020-02-14T16:07:32+00:00July 1st, 2015|Categories: Game Development, Unity3D|

In this tutorial I will explain how to create a realistic looking smoke effects in Unity. It will be your typical upwards smoke, which is ideal for camp-fires, smoky car engines. Basically anything that burns. It's also an effective way to simulate steam (for both 2D and 3D games). Unity uses what is called the 'Shuriken' [...]

This Is A Custom Widget

This Sliding Bar can be switched on or off in theme options, and can take any widget you throw at it or even fill it with your custom HTML Code. Its perfect for grabbing the attention of your viewers. Choose between 1, 2, 3 or 4 columns, set the background color, widget divider color, activate transparency, a top border or fully disable it on desktop and mobile.