Progress Thread - New demo - Cobra Mk III (18-May-08)

A full (6DOF) 3D engine for TI-83 based calculators.

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threefingeredguy
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Post by threefingeredguy »

I even wrote one man. Don't post stuff like that, its just as bad as all those "screen savers" on ticalc and calcgames.
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Post by coelurus »

Biased negative energy here, just leave it.

In an effort to be a little bit more on-topic: does anybody have any nice game ideas for a generic 3D engine of this kind, besides Space Dementia-clones?
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Post by benryves »

Stunts (AKA 4D Stunt Driver)? That used a very primitive, blocky polygonal engine. The "physics" (loosest possible meaning) might be a tad difficult though.

Naturally, Elite, but I guess that's been covered. And we don't want Mr. Braben on our backs, do we?
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Post by qarnos »

DarkerLine wrote:To essentially rephrase the question, will there be masking?
Masking is quite simple to do. There will be a small time penalty, but nothing too drastic.
CompWiz wrote:That demo is amazing. However, I noticed that without the lcd fix program, the display gets messed up after a little while of running this on an 84+SE. With it, it works fine.
:x Stupid TI display drivers :x
Hmm... I don't have an 84+SE so I guess I'll have to do some reading about that. When I started this engine there was no such thing as an 84 :P
benryves wrote:Stunts (AKA 4D Stunt Driver)? That used a very primitive, blocky polygonal engine. The "physics" (loosest possible meaning) might be a tad difficult though.

Naturally, Elite, but I guess that's been covered. And we don't want Mr. Braben on our backs, do we?
There is always the option of a game "loosely based" on Elite. Change the ship designs and names, etc.

Another good one would be "Corncob 3D". It's a very old but extremely entertaining flight sim set in an anternate history. I thinks it's available as freeware these days, not sure how it would run on modern machines though.

But as has been stated, I really need to perfect the polygon clipping before this engine will be useful. I am using a home-brewed adaption of Sutherland-Hodgman clipping. But instead of clipping to each plane one at a time (which would be too slow), I am trying to do all six simultaneously. It works fine for wireframe models, but polygons are a bit of a pain.
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Post by CompWiz »

qarnos wrote:
DarkerLine wrote:
CompWiz wrote:That demo is amazing. However, I noticed that without the lcd fix program, the display gets messed up after a little while of running this on an 84+SE. With it, it works fine.
:x Stupid TI display drivers :x
Hmm... I don't have an 84+SE so I guess I'll have to do some reading about that. When I started this engine there was no such thing as an 84 :P
Yeah, you have to be aware of that. Most of the people buying calcs now(at least at my school) get the 84's. I think that Harvest moon by Spencer won't play on anything except the 83+(not even 83SE) at all because of the display drivers. That game used some of the more advanced visual display techniques.

The demo did work on my 84+SE. The LCD fix is neccesary to play(without visual effects) quite a few games.
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Post by Timendus »

How about the 1991 PC game F-29 retaliator? :)
That game really rocked, and I think it should be possible to recreate that for calculators. You only need a horizon, some enemy planes, a few very simple buildings, an overlay of a cockpit and of course really cool grayscale splashscreens 8)

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Post by CoBB »

Oh, the game that refused to work in any directory but C:\RETAL!
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Post by Timendus »

Exactly! And that you had to run by starting the brilliantly clearly named program "X" :P
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Post by threefingeredguy »

Why not ES4:Oblivion :D

Actually, that retaliator game looks like something my friend was playing in class yesterday, let me ask him about it.
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Post by qarnos »

Timendus wrote:How about the 1991 PC game F-29 retaliator? :)
That game really rocked, and I think it should be possible to recreate that for calculators. You only need a horizon, some enemy planes, a few very simple buildings, an overlay of a cockpit and of course really cool grayscale splashscreens 8)

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Is it just me or is that pilot holding the parachute with his hands?!!!
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Post by currahee »

:o nice find, his hands/arms must be tough to withstand that kind of force.
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Post by blueskies »

back in '91, the pilots were a lot tougher.
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Post by threefingeredguy »

qarnos wrote:
Timendus wrote:How about the 1991 PC game F-29 retaliator? :)
That game really rocked, and I think it should be possible to recreate that for calculators. You only need a horizon, some enemy planes, a few very simple buildings, an overlay of a cockpit and of course really cool grayscale splashscreens 8)

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Is it just me or is that pilot holding the parachute with his hands?!!!
That is the manliest thing I have ever seen.
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Post by Timendus »

threefingeredguy wrote:That is the manliest thing I have ever seen.
I bet you'd be just as manly if your plane got shot down by enemy fighters, and your only chance of survival was to hold on to your very crappy 1991-styled parachute ;)

How on earth did I change the topic from a 3D engine to manliness? :?
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Post by DarkerLine »

He has a very manly (bigger than him) and light-weight gun as well.
just try to be nice to people.
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