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Cart #cbex_01-4 | 2020-05-22 | Code ▽ | Embed ▽ | No License
1

Join Squirt as he jumps and bounces in the sky through varying times of day, on his way to Cloud Land.

Controls:

Left/Right---Move
Z------------Small jump/bounce
X------------Regular jump/bounce
Z+X----------Super jump/bounce

A little while ago I uploaded my first game Cloud Bounce, an animated platformer designed to fit in 280 characters. I was happy with the basic gameplay, but in order to fit it in such a crazy small space, it was pretty bare-bones. The EX version is fundamentally the same game, and still tiny at just over 700 characters, but with a lot of important game features added, including:

  • Title screen
  • Lives system
  • Game over screen with restart
  • Checkpoints
  • Gameplay timer
  • An improved ending (the original was by necessity super abrupt)

It's still missing sound because I haven't figured out how to make music yet, and when I tried adding a basic jump sound without music, it got monotonous quick. The game's a simple and straightforward platformer with no enemies or in-depth mechanics besides reaching the end in good time, and I don't plan to really change that outside of making a sequel. I'd appreciate any feedback on ways I could make it better and more engaging within those limitations, though. Thanks.

P#77005 2020-05-22 09:24 ( Edited 2020-05-22 09:57)

Cart #tweetris1_0-5 | 2020-05-15 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
9

This is a fully playable version of Tetris in fewer characters than a moderate-length email, including:

  • Line removal
  • Level progression (speed increases after every 10 lines cleared)
  • 'Lines cleared' display
  • Soft drop button (with slight delay when next piece appears)
  • Reset button

Controls:
L/R-------move piece
Down------soft drop
O,X-------rotate piece
S---------reset game

Fitting everything in this small a space was really tough, but I made it. I had to cut a few corners, for instance there's no next piece preview, only one rotation direction, and there wasn't space for logic to allow movement of blocks once they land, so overhangs are a nuisance. With all that said, though, I worked hard trying to make this an actually decent version of tetris and not just a technical curiousity, so hopefully somebody actually enjoys playing it instead of just staring at the indecipherable souce code. Shoutout to 2dArray, whose Tweetjam Tetris and its genius piece indexing system I built on for this project.

P#76116 2020-05-08 08:53 ( Edited 2020-05-15 05:07)

Cart #avalanche_02-0 | 2020-05-06 | Code ▽ | Embed ▽ | No License
2

Version 0.2 - Now has definite fail state with timer stop, and recolored graphics

Avalanche!

You are a ground-based defense drone at a top-secret research base inexplicably located by a mountain prone to avalanches. When a tidal wave of snow and ice rushes toward you, you must use your cannon to vaporize it, keeping it at bay for as long as possible so the base staff can get to safety. How long can you hold out?

Controls:
L/R------Move drone
X--------Fire cannon

This is the unintended result of trying to cram a minimalistic space invaders clone into 280 characters. I couldn't figure out how to fit code for individual enemies, but an advancing amorphous mass was just doable. Hopefully it turned out alright on its own terms, and I welcome any feedback or criticism. Warning, though, this can get a bit nerve-wracking. o_O

P#75452 2020-04-26 23:42 ( Edited 2020-05-06 06:03)

After discussing base64 encoding in a recent thread, I decided to try my own version of it for storing level strings, but after some experimentation I started wondering how much of a storage benefit it really offers vs. hexidecimal. I also came across an old post from user Overkill from 2016, in which he concludes that unfavorable interaction with Pico-8's built-in compression basically negates base64's byte-per-character advantage.

https://www.lexaloffle.com/bbs/?tid=3738

I decided to perform a test of my own to measure the difference precisely. To do this, I used some web-based tools to generate random strings, using both hexidecimal and my own base64 character set, which uses as many 1-byte characters as possible (59, to be specific -- certain characters like small caps and glyphs use 2 bytes). I generated very large strings and pared them down just enough to fill the compressed data limit to 100.00% using each character set. I performed 3 trials each, recording how many characters would fit for each encoding type, then averaged these amounts for a general comparison. Results are as follows:

Trial 1
Base64: 15846 characters max.
Hex: 23230 characters max.

Trial 2
Base64: 15776 characters max.
Hex: 23261 characters max.

Trial 3
Base64: 15757 characters max.
Hex: 23275 characters max.

Averages
Base64: 15793 characters max. -- 11,845 bytes
Hex: 23255 characters max.-- 11,628 bytes

From these trials, the difference in byte capacity vs. compressed size appears to be about 2%, which suprised me. While there could be cases in which custom encoding offers various benefits, in general I think I'll stick with hexidecimal. For me, a negligible increase in storage efficiency is more than offset by much easier conversion to and from byte values and some degree of readability.

P#75328 2020-04-25 07:59 ( Edited 2020-04-25 08:02)

Cart #cloud_bounce_proto-0 | 2020-04-10 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
1

Join Squirt as he jumps and bounces in the sky through varying times of day, on his way to Cloud Land.

Features character and level animation, 60fps gameplay, and 150 unique screens of platforming-- all in 280 characters!

Controls:

Left/Right---Move
Z------------Small jump/bounce
X------------Regular jump/bounce
Z+X----------Super jump/bounce
Reset Cart---Retry

This is my first game for Pico-8 (or for any platform, for that matter...). I wasn't originally planning to try and fit a game in this small a size, I was just working on a platformer game test, but then I came across the concept of tweetcarts and things went in an unexpected direction.The game won't change a lot because I can't find any way of packing more in, but I figured it would be good to have some feedback before releasing. Thanks.

P#74630 2020-04-10 20:11 ( Edited 2020-04-14 01:42)

Hello, first post here.

I just got started with Pico-8 recently, and have learned about the usefulness of storing data in strings to get around token limits. I was wondering, can I build a data string using a p8 program, then output that string as text that can be fed into another p8 program without it being reformatted? I'm working on a graphical level-editor program that will output level data strings usable by another cart.

I tried using printh(), but when I opened the text file it mangled up the extended character glyphs and didn't preserve the 4x3 font lower-case letters I had in the string. My goal is to have all 121 characters available so I can store about 7 bits per character, instead of the 4 possible with hexadecimal, if this is possible.

Thanks.

P#73959 2020-03-15 22:20

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