This is a quick version of that game known as RHINO on the CBM PET. Googling has told me that this was written by Jeff Minter.
Still a lot to do but the basic gameplay works. Don't get trampled!
See how sausage is made: https://github.com/wstephenson/rhino
v0.6
- Pincho Edition!
v0.5
- Add attract mode. Not very attractive yet
- Implement lives. Extra life every 4 levels
- Implement high score
- Add game mode (easy/hard)
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Update 8/9/2015
Added a lot to this, now that I had some more time.
-The dragon can now burn things with Z. He cannot move while burning, adding a little strategy. This whole little fire system took me over 2 hours to figure out how to do. Shameful really, but it all works beautifully and now I don't need to poke it. (I hope.)
-Burning snacks will leave gold pickups of random values behind. These show up as single pixel drawn pickups.
-Collecting gold will add to your gold amount.
-Flying over the hoard in the center will "deposit" the gold into your hoard. The hoard also updates it's graphical representation based on how much is in it(with cap on the amount of scaling to keep it sane).
-A few new sound effects. Snacks can now scream when burned, and the fire of course has a looping sound while it's hit area is active.
-Eaten enemies sometimes manage to scream before the dragon munches on them. I thought it was funny at 4 AM to make it random. Don't ask.
-Enemy ai is updated a bit in prep for later. Now in addition to random wandering, they also move closer to the hoard. I eventually plan to make them steal gold and attempt to run, adding to their gold amount when defeated, and potentially taking it off screen for good. For now they all just crowd into the middle eventually. The dragon says it's very convenient for eating them.
-Updated the print commands to set the color before printing. This fixes a bug adding the gold had created. Yay for saved drawing color commands.
original first post:
The cart title is a terrible pun, I know. No, I'm not sorry. More puns might, or might not, be on their way.
NOM ALL THE THINGS!
Well, currently only little silly people that walk around randomly and even sometimes straight into your belly. Not very bright really. Tasty though.
Ok, so it [i]might
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Hi, I'm wondering if there is no way to download pico8 for free, I have to purchase voxatron to get pico8?, Thanks
And by the way, if we have to purchase it, then that's the wrong marketing estrategy, a tool with features for developing 2d retro games for everyone, millions of users would make their own games and twitt them , publish them, just my oppinion.
Thanks for your answers guys
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What will be the long-term view on publishing games made for Pico-8? Will developers be able to post them elsewhere? Will devs be able to charge for the games?
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Quick little bit of silliness, inspired by the awkward little grand piano minigame/toy in that spooky mansion in Final Fantasy VII.
Use Z to toggle right hand, X to toggle higher chords/notes, arrow keys to play a chord or note.
Question: the thing I'd like to do with this is check to see if a sound is already playing on a given channel before I play another, so that e.g. btnp() doesn't keep retriggering a given note or chord every 4 frames if the player holds the button down instead of tapping. I'm guessing I'd have to peek() at a specific bit of memory, but I have no idea where!
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So after having a play with PICO for a while I've decided to sink my teeth in. I suspect I'm going to run out of tokens on this unless I get smart about how I implement enemy racers.
Cursor keys to control the ship, final game will have 9 stages (currently it doesn't check for end of game).
8/1/2015 - So far I've been focusing on the momentum of the ship and movement of the ground.
Next tasks...
-- add engine jets to each side
-- add engine noise
-- change the colour of the grid when you change stages
-- check when you've reached the end of stage 9
-- add enemy ships to bump into
-- bullets
-- lasers
-- music
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I was wondering how long it would take me to build a partial version of PONG and I was kind of amazed that nobody really built a PONG for Pico-8 up to now. It misses a number of features but I created at in a few hours while listening to some conference talks at Eurucamp 2015 and I will hopefully give a lightning talk on PICO-8 tomorrow.
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One thing that would be super handy for development in Pico-8 is an "assert" function which throws an error when a condition isn't met and can optionally print something in response, like the standard lua one.
eg.
assert(x != 0,"this shouldn't happen")
Another nice thing would be a way to write output to a console. you can do this with print, but it usually gets overwritten immediately and lost in the event you need to check up on some history.
log("frame: "..frame.." x is "..x)
also showing a full backtrace on error rather than only the head of the stack would be super helpful.
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A game about flying a damaged ornithopter through a sand storm on Arrakis. 3 levels of windy action! Fake speech synthesis!
Instructions:
Reach the end of each map without crashing into the dunes below or being overtaken by the following sandstorm.
Controls:
left: tilt thopter upward (less speed, more lift)
right: tilt thopter downward (more speed, less lift)
x: fire jet (more speed, fuel recovers over time)
z: air brake (cuts speed, gain a little altitude)
About the game
This is my second PICO-8 game, following on the Dune theme of Shai Hulud; I wanted to make a little flying game about surviving the sand storms of Arrakis as an excuse to experiment with flight model stuff, screen scrolling, and collision detection. I did that stuff and also played with a few other goofy "what if" ideas, and so the code is in places a mess of hacks, which I'm trying to embrace as an okay way to go with experimental P8 games.
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One set of tiles that can become six by a mere palette change.
Press arrows or Z/X to change the palette.
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It'd be awesome to be able to save/load state in your game like old console games.
Maybe a small per/game buffer we can read from/write to.
Or a virtual memory card type device we can access.
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First cart! Made this demake of our jam game, Sumo Puckii for some practice! It's 2-player only, so I recommend both gamepads and some friends <3
Mwuah <3 kisses
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An asteroids-like game for PICO 8.
Controls:
UP: thrust
LEFT/RIGHT: rotate
Z: shoot
X: blast (area attack radiating from ship; uses energy)
Don't get hit by the asteroids; shoot the asteroids for points. Big ones split into medium, medium ones sometimes split, small ones never do.
Each player starts with 3 lives, and also has a "power" gauge. The longer you stay alive, the higher the gauge goes. When it passes certain points, you automatically upgrade (upgrades: more bullets, longer distance bullets, multi-shot). When you die, it resets. The secondary attack ("blast") uses up 1 "tick" of energy (3 ticks per upgrade), so you can choose to use it to save yourself and rack up points, but it will slow down your upgrade path.
At this point, probably all that I'm going to polish on this is sfx and maybe some graphical tweaks.
[b]Original Post
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I got to wondering whether you could rotate a sprite in PICO-8. Of course this facility is not provided, but it should be achievable, I thought.
How this works: 3 rotating objects. Arrows move the green cursor among them, and Z or X to toggle each object on or off.
The rotations are slightly ugly, but I think accurate. Smoothing could probably make them look better, but maybe not at reasonable cost. I don't know! Rotating the large sprite is CPU-intensive (and ugly!). I think for small objects this could be used in a game.
Issues:
- Sprites are rotated about their top left corner. I think this is needed to guarantee that atan2 is one-to-one. But it would be better to rotate around an arbitrary center!
- I forgot what the other issues are.
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ADDED (7/31): Fixed some missing interactions; elastic collisions apply to the ship; re-did overlay; you can switch views; gravity calc is dropped at high distances.
Press 'Z' to switch views among ship and planetoids. Current view is displayed in overlay.
ADDED (7/31): Only detect collisions for nearby objects (fixes integer overflow issue).
ADDED (7/31): Elastic collisions (for planetoids), sound and music.
I've implemented perfectly elastic collisions between the planetoids. (I haven't done collisions for the ship, yet, partly because it's easier to detect collisions for circles.)
When two planetoids collide, a crashing sound plays and the planets exchange some energy and momentum (details). I'm pretty sure the math is accurate -- at least, the collisions look reasonably accurate. As with gravity, however, the math involved can involve large numbers and integer overflow could be a problem -- I don't know whether it actually does cause issues in the conditions I've built. (EDIT: I think it does. In particular, collision detection uses distance. But, because of integer overflow and sqrt, distances over ~181 roll back to 0. So very distant objects constantly collide with each other and go crazy. This makes the system less stable than it should be. A solution would be to only check collisions for nearby objects, using some cheap and safe heuristic (e.g. Manhattan distance).)
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Update:
Finally fixed the map issue from changes in Pico8 and fixed the 10 minute game freeze bug.
Some dialog stuff and fixed a bunch of bugs, cabins now work and there are caves you can rest in.
How to survive your first day:
- When you wash up you're nearly dead, hungry, tired, and exhausted.
- Your health will drop if any statuses (hungry,tired,exhausted,cold) are in the red.
- Resting while your statuses are ok will restore health
- Quickly drink some water from your flask. (x -> items -> flask -> drink)
- Find some fruit/berries and pick them then eat them.
- Salvage wood from your boat, and chop down another tree and get the logs
- Build a shelter, eat, drink and rest, stay warm
- After this, focus on finding freshwater (it has white sparkles) so you can drink and fill your flask
- Then try and find some stone and build a cabin which will replenish your stamina fully
- Build bridges to new areas
Features:
- Day night cycle
- Weather
- Temperature (it's colder at night and when it's raining, stay warm in your shelter/cottage)
- Simple menu system
- Procedurally generated world
- Bridge building
- Building wells that fill with water when it rains
- Plants grows overnight while you're resting
- In progress
- Farms and farming
Plans
- Fishing minigame
- Wild animals and fences to keep safe
- Disallow some stuff at night to incentivise you to work during the day
I suspect code size optimisation will be quite critical =\
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This is a really basic test of a supercover algorithm (for determining which grids in a square a line from square 1 to square 2 crosses). Potentially useful for collision detection or line of sight.
Algorithm is cribbed from online (with minor tweaks), and this is otherwise quite simple. Mostly a proof of concept, and to see how well it performed within PICO 8.
Up / Down / Left / Right: move the end point.
Z: change which end point you're moving
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SOME WOULD SAY IT'S TOO SOON. TO WHICH I SAY... Yeah, yeah it probably is. The original JELPI isn't even technically finished. But hey, I got the deadly spikes to work and made a whole cutscene...
plz tell me if you get to see the ending plz
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so based on a conversation from another thread, I decided to do an implementation of the one line program :
10 PRINT CHR$(205.5+RND(1)); : GOTO 10
now i'm a hobbyist programer at best, so I pose the challenge to the community, what's the smallest program you can write to recreate this effect?
this is my effort - using sprites and in 50 tokens
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I have started working on a version of " Combat" during the Outofthebit game jam.
blogpost
The game is far from finished, but I really think a 4 or 6 player version could be amazing.
to do :
- rotation of the sprites of the tank
- bullet creation
- bullet collision
- score
- explosion
- spawn the tanks randomly
- victory screen
- rematch
I
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