Tag Archives: meggyjr

Lucky World – A jump’n’run game for MeggyJr RGB

Today I release a full featured jump’n’run game for the MeggyJr RGB platform. It has an intro, a level map with more than 16 levels packed with obstacles and even a end scene. This game uses most of the flash of the ATmega328P and it was an interesting challenge to keep everything as compact as possible. In the past, when I learned to develop software, a very limited RAM was normal. Creating this game for this platform brought back a little bit of this nostalgia.

I release all sources of the game under the GPL v2 license. Feel free to create your own fork and improve this game even further. You can download a ZIP with the sources for version 1.0 here:

https://github.com/LuckyResistor/LuckyWorld/archive/v1.0.zip

To give you a quick impression of the gameplay, I created the following video.

Read more about the requirements for the game in the sections below.

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All Meggy Jr RGB Colors

I created a complete color table with the impression of all possible 4096 Meggy Jr RGB colors. The green LED is much brighter than the other two LEDs, the first tables used blue as base which does not make much sense. So I created a second set of tables which use the bright green as base.

If you like to create own tables or if you try to create something like a simulator or color lookup, here a ZIP file with all colors as individual PNG images: MeggyJrColorLEDs.zip

MeggyColorGreen_0

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A New Library for Meggy Jr RGB

I planed to create a game as a gift and use the really great Meggy Jr RGB platform for it. See the picture above, it’s a great game machine powered by the ATmega328P (buy it here). You can use the Arduino IDE to program it.

After assembling the device, I played a little bit around with the provided library — but was a bit disappointed by the library. This is a game device after all, but the library lack in my opinion some important things a game library need.

So I wrote a new library from scratch, using the provided schema and documentation (you can see the printed out schema in the background of the picture). Sometimes its better to start from scratch and learn from the mistakes of other libraries.

Today I release the first version of the library at GitHub here: https://github.com/LuckyResistor/LRMeggyJr. It has a proper API documentation and a few examples. I release this early, but hope to improve the documentation and add examples while I develop the actual game.

Download the release v1.2 as a ZIP

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