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#1
[ENTRY] Mario Kart Virtual Cup
Posted on: 2008/9/30 23:55
PVB Elite
Joined 2003/7/25
USA
1507 Posts
PVBCC 1stContributor#3 PosterHOTY09 EntryLong Time User (14 Years) PVBCC 2010 EntryPVBCC 2013 Entry
Here's my submission for the competition, Mario Kart Virtual Cup. It should work fine in the latest Reality Boy, and it works (best) on hardware. I'll probably upload a video of it when I get home tonight for those without a flash cart, or those too lazy to burn it ;-). Enjoy!

DogP

Attach file:


zip kart.zip Size: 77.78 KB; Hits: 737
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#2
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/9/30 23:58
Nintendoid!
Joined 2006/3/15
Ecuador
225 Posts
PVBCC 3rdLong Time User (12 Years)
WOW :-O I'm impressed DogP!, great work!.

jorgeche
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#3
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 0:01
Nintendoid!
Joined 2006/3/15
Ecuador
225 Posts
PVBCC 3rdLong Time User (12 Years)
BTW, I'm curious about how do you implement collision detection and how do you define the circuit? If is not a problem to ask :-)

jorgeche
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#4
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 0:07
VUE(xpert)
Joined 2003/9/3
Sweden
438 Posts
PVBCC EntryHighscore Top10 3rdContributorHOTY09 2ndLong Time User (14 Years) PVBCC 2010 1st20+ Game RatingsPVBCC 2013 2nd
Wow, this is really great DogP!
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#5
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 0:17
PVB Elite
Joined 2003/7/25
USA
1507 Posts
PVBCC 1stContributor#3 PosterHOTY09 EntryLong Time User (14 Years) PVBCC 2010 EntryPVBCC 2013 Entry
Pretty much everything is done with the BGMap... the track is a 2x2 BGMap world (standard image, affine transformed of course), and I have a collision table for each char in the charset to tell whether it's track, wall, dirt, pit, etc. I check my position in the BGMap to get the char, then check my position in the char with my table for the exact action.

BTW, Thanks for the compliments.

DogP
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#6
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 0:35
Nintendoid!
Joined 2007/8/8
Great Britain
201 Posts
ContributorHOTY09 EntryLong Time User (10 Years)
The affine 3D track effect is very impressive. Nice work.
Edited by dasi on 2008/10/1 0:52
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#7
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 0:41
Nintendoid!
Joined 2006/3/15
Ecuador
225 Posts
PVBCC 3rdLong Time User (12 Years)
Very cleaver, thanks for sharing.

jorgeche
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#8
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 1:40
PVB Elite
Joined 2003/7/26
USA
1427 Posts
PVBCC EntryContributorSpecial AchievementTop10 PosterHOTY09 EntryLong Time User (14 Years) 20+ Game RatingsPVBCC 2013 Entry
I can't get the accelerator to work, (did you implement the "spin-out" w/out the animation?) and the converted kart 3D effect is somewhat lacking, at least in the emu (I probably would have just had "cardboard cutouts") but given the time, man-power, and technology constraints, this is really fine work! I will so totally consume that source code when (if?) it's released.
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#9
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 2:03
PVB Elite
Joined 2003/7/25
USA
1507 Posts
PVBCC 1stContributor#3 PosterHOTY09 EntryLong Time User (14 Years) PVBCC 2010 EntryPVBCC 2013 Entry
The right trigger is accelerate. I used to have A for accelerate, but it was too difficult to hold A and press the Right D-Pad to look around. I figured there's no real need to have both triggers do the same thing anyway. And you can do the spin out (and boost) by hitting the gas and brake at the same time during the start. I'll put up a video showing some of the features in a little bit.

DogP
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#10
Re: [ENTRY] Mario Kart Virtual Cup
Posted on: 2008/10/1 5:03
VB Gamer
Joined 2008/8/31
Germany
41 Posts
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Wow! It looks really great, but there are a few things i noticed:
- the 3d effect of the player/kart looks a little bit strange
- the ground seems to be sometimes quite choppy. maybe because of too low accuracy in fixedpoint calculations and/or low precision LUTs??
- it looks like there is a bug in your parallax (MP) calculations for the ground. there is a hardly visible bent where MP becomes zero. If you increase the paralax value, it should become more visible. (its only visible on the vb, not in rboy)
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