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  old racing game programming  (Read 3280 times)
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Offline vincenzo.maltese

Senior Newbie


Medals: 1



« Posted 2010-09-04 13:36:08 »

Hi guy,

first...sorry for my English Sad

someone may explain the techniques in this games

http://www.youtube.com/watch?v=y-8cTsJ-8Vg&feature=related

in particular....

1) how to make the way's scrolling? mode7 techniques, it's correct?
2) i need the raycasting, yes or no?

help me! please Smiley
Offline Karmington

Senior Duke


Medals: 1
Projects: 1


Co-op Freak


« Reply #1 - Posted 2010-09-04 14:31:50 »

I believe it is quite a simple stack of horizontal lines, roughly like this:

straight
................,        ,......................
...............,          ,.....................
..............,            ,....................
.............,              ,...................
............,                ,..................

turn
....................,           ,...............
.................,            ,.................
..............,             ,...................
............,               ,...................
............,                  ,................

Manipulate the horizontal graphics positions according to some formula that you will have to work out yourself,
draw sprites on top of that.

Offline vincenzo.maltese

Senior Newbie


Medals: 1



« Reply #2 - Posted 2010-09-05 00:24:27 »

good solution,  can you ensure other games use this solution?

thanks you
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Offline vincenzo.maltese

Senior Newbie


Medals: 1



« Reply #3 - Posted 2010-09-06 14:32:23 »

Hi,

unfortunately this solution not work  Sad impossible draw curves not angular

some idea?

help me, please  Huh
Offline Karmington

Senior Duke


Medals: 1
Projects: 1


Co-op Freak


« Reply #4 - Posted 2010-09-06 16:35:23 »

perhaps show some of your tests, screenshots or code and we could help you more

Offline vincenzo.maltese

Senior Newbie


Medals: 1



« Reply #5 - Posted 2010-09-07 14:03:14 »

the results:

----------------------------------------------horizon
-------             carriageway_left
---------
----------
-----------        point_of_curve
----------
---------
--------

the code:

Graphics2D g2 =...// graphics contex

int width = screen.width;
int horizon = width / 4;
int point_of_curve = width / 2;
int carriageway_left = (width / 8 )*3;
                  
for(int x = 0; x < horizon; x++)
   g2.drawLine(0, carriageway_left+x, horizon+x, carriageway_left+x);
     
for(int y = 0; y < horizon; y++)
   g2.drawLine(0, (carriageway_left+horizon)+y, point_of_curve-y, (carriageway_left+horizon)+y);

 Undecided
some idea?

Offline oNyx

JGO Coder


Medals: 2


pixels! :x


« Reply #6 - Posted 2010-09-07 21:44:28 »

http://www.gorenfeld.net/lou/pseudo/

That should answer every question.

弾幕 ☆ @mahonnaiseblog
Offline vincenzo.maltese

Senior Newbie


Medals: 1



« Reply #7 - Posted 2010-09-08 08:49:49 »

  Cheesy waoooooooo, thanks thanks thanks
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