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GMX

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Posted: 19th Sep 2005 22:55

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Hello DarkBASIC users,

I am new to DarkBASIC. I'm currently using Gamemaker (a drag and drop game making program, though it uses some code so I know quite a lot of things about coding). Now that I'm starting with DarkBASIC I'm just sort of bamboozled by the 3d concepts (Gamemaker is a 2d maker). Does anybody know where I can download some tutorials?

Also, I tried making a simple 3rd person game (nothing special, just where the camera follows a cube around) but for some reason it isn't working, my code is at the bottom of the post.

Thanks!

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WarGoat

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Posted: 20th Sep 2005 02:55

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sry youre code didn't post do [ code] your code and [ /code] (withouth the space between the [c and the [/c.

Windows XP,pentium IIII, 1,9 MGZ, 256 mb memory, 128 mb video card ATI Radeon 9200 se s80 'sett squadron back on the assault'

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GMX

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Posted: 20th Sep 2005 02:59

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Oops, sorry, here it is. It's actually not working quite right, when I press up or down it doesn't go completely straight and sort of turns wierd. Can anybody tell me what's wrong?

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

rem variables:
walkspeed=2;
space=60;
cubedir=0; rem cube direction
cubex=0; rem cube x
cubey=0; rem cube y
cubez=0; rem cube z
rem now create the cube:
make object cube 1,10
rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100
rem set the camera's starting x y and z position
camerax=cubex-(cos(cubedir)*space);
cameray=0;
cameraz=cubez-(sin(cubedir)*space);

rem main loop:
do
rem point the camera
point camera cubex,cubey,cubez
rem camera x y and z coordinates
camerax=cubex-(cos(cubedir)*space);
cameray=10;
cameraz=cubez-(sin(cubedir)*space);
rem key inputs
if rightkey()=1 then: cubedir=cubedir-1
if leftkey()=1 then: cubedir=cubedir+1
if upkey()=1
cubex=cubex+(cos(cubedir)*walkspeed)
cubez=cubez+(sin(cubedir)*walkspeed)
endif
if downkey()=1
cubex=cubex-(cos(cubedir)*walkspeed)
cubez=cubez-(sin(cubedir)*walkspeed)
endif
rem end of that...
rem position and rotate objects
position camera camerax,cameray,cameraz;
position object 1,cubex,cubey,cubez;
point object 1,cubex+(cos(cubedir)*walkspeed),cubey,cubez+(sin(cubedir)*walkspeed)
rem debug text
text 10,10,"Cube direction: " +str$(cubedir)
text 10,30,"Camera X: " +str$(camerax)
text 10,50,"Camera Y: " +str$(cameray)
text 10,70,"Camera Z: " +str$(cameraz)
text 10,90,"Camera Y rotate: " +str$(camerary)
text 10,110,"Cube X: " +str$(cubex)
text 10,130,"Cube Y: " +str$(cubey)
text 10,150,"Cube Z: " +str$(cubez)
loop

+ Code Snippet

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

rem variables:
walkspeed=2;
space=60;
cubedir=0; rem cube direction
cubex=0; rem cube x
cubey=0; rem cube y
cubez=0; rem cube z
rem now create the cube:
make object cube 1,10
rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100
rem set the camera's starting x y and z position
camerax=cubex-(cos(cubedir)*space);
cameray=0;
cameraz=cubez-(sin(cubedir)*space);

rem main loop:
do
rem point the camera
point camera cubex,cubey,cubez
rem camera x y and z coordinates
camerax=cubex-(cos(cubedir)*space);
cameray=10;
cameraz=cubez-(sin(cubedir)*space);
rem key inputs
if rightkey()=1 then: cubedir=cubedir-1
if leftkey()=1 then: cubedir=cubedir+1
if upkey()=1
cubex=cubex+(cos(cubedir)*walkspeed)
cubez=cubez+(sin(cubedir)*walkspeed)
endif
if downkey()=1
cubex=cubex-(cos(cubedir)*walkspeed)
cubez=cubez-(sin(cubedir)*walkspeed)
endif
rem end of that...
rem position and rotate objects
position camera camerax,cameray,cameraz;
position object 1,cubex,cubey,cubez;
point object 1,cubex+(cos(cubedir)*walkspeed),cubey,cubez+(sin(cubedir)*walkspeed)
rem debug text
text 10,10,"Cube direction: " +str$(cubedir)
text 10,30,"Camera X: " +str$(camerax)
text 10,50,"Camera Y: " +str$(cameray)
text 10,70,"Camera Z: " +str$(cameraz)
text 10,90,"Camera Y rotate: " +str$(camerary)
text 10,110,"Cube X: " +str$(cubex)
text 10,130,"Cube Y: " +str$(cubey)
text 10,150,"Cube Z: " +str$(cubez)
loop

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Xolatron old

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Posted: 20th Sep 2005 03:51 Edited at: 20th Sep 2005 03:52

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The code box doesn't work for people who have newbie accounts (have to wait for their posts to be approved). I't also bad because it can't be edited (or so I believe - testing here).

[EDIT]
Yes, I can't change that code, so everyone's stuck with it now

[/EDIT]

-Xol

DBpro IonRay IDE: Demo 0.1.0.0 available!

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TDK

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Posted: 20th Sep 2005 14:23 Edited at: 20th Sep 2005 14:35

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For a start, you aren't using Delphi!

(You don't put a semicolon on the end of lines in DB)...

You also have colons where they shouldn't be.

I also suggest that you use indentation in your code to make it easier to read.

Other than that it seems to work OK, though without any reference point you couldn't see anything was moving. So I added a matrix for that reason.

Also, much of your code could be replaced with the Set Camera To Follow command (which I'll leave to you to experiment with).

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

Sync On
Sync Rate 60
Make Matrix 1,5000,5000,30,30

rem variables
walkspeed=2
space=60
cubedir=0: rem cube direction
cubex=0: rem cube x
cubey=0: rem cube y
cubez=0: rem cube z
rem now create the cube:
make object cube 1,10
rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100
rem set the camera's starting x y and z position
camerax=cubex-(cos(cubedir)*space);
cameray=0;
cameraz=cubez-(sin(cubedir)*space);

rem main loop:
do
  rem point the camera
  point camera cubex,cubey,cubez
  rem camera x y and z coordinates
  camerax=cubex-(cos(cubedir)*space)
  cameray=10
  cameraz=cubez-(sin(cubedir)*space)
  rem key inputs
  if rightkey()=1 then cubedir=cubedir-1
  if leftkey()=1 then cubedir=cubedir+1
  if upkey()=1
    cubex=cubex+(cos(cubedir)*walkspeed)
    cubez=cubez+(sin(cubedir)*walkspeed)
  endif
  if downkey()=1
    cubex=cubex-(cos(cubedir)*walkspeed)
    cubez=cubez-(sin(cubedir)*walkspeed)
  endif
  rem end of that...
  rem position and rotate objects
  position camera camerax,cameray,cameraz
  position object 1,cubex,cubey,cubez
  point object 1,cubex+(cos(cubedir)*walkspeed),cubey,cubez+(sin(cubedir)*walkspeed)
  Sync
  rem debug text
  text 10,10,"Cube direction: " +str$(cubedir)
  text 10,30,"Camera X: " +str$(camerax)
  text 10,50,"Camera Y: " +str$(cameray)
  text 10,70,"Camera Z: " +str$(cameraz)
  text 10,90,"Camera Y rotate: " +str$(camerary)
  text 10,110,"Cube X: " +str$(cubex)
  text 10,130,"Cube Y: " +str$(cubey)
  text 10,150,"Cube Z: " +str$(cubez)
loop

+ Code Snippet

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

Sync On
Sync Rate 60
Make Matrix 1,5000,5000,30,30

rem variables
walkspeed=2
space=60
cubedir=0: rem cube direction
cubex=0: rem cube x
cubey=0: rem cube y
cubez=0: rem cube z
rem now create the cube:
make object cube 1,10
rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100
rem set the camera's starting x y and z position
camerax=cubex-(cos(cubedir)*space);
cameray=0;
cameraz=cubez-(sin(cubedir)*space);

rem main loop:
do
  rem point the camera
  point camera cubex,cubey,cubez
  rem camera x y and z coordinates
  camerax=cubex-(cos(cubedir)*space)
  cameray=10
  cameraz=cubez-(sin(cubedir)*space)
  rem key inputs
  if rightkey()=1 then cubedir=cubedir-1
  if leftkey()=1 then cubedir=cubedir+1
  if upkey()=1
    cubex=cubex+(cos(cubedir)*walkspeed)
    cubez=cubez+(sin(cubedir)*walkspeed)
  endif
  if downkey()=1
    cubex=cubex-(cos(cubedir)*walkspeed)
    cubez=cubez-(sin(cubedir)*walkspeed)
  endif
  rem end of that...
  rem position and rotate objects
  position camera camerax,cameray,cameraz
  position object 1,cubex,cubey,cubez
  point object 1,cubex+(cos(cubedir)*walkspeed),cubey,cubez+(sin(cubedir)*walkspeed)
  Sync
  rem debug text
  text 10,10,"Cube direction: " +str$(cubedir)
  text 10,30,"Camera X: " +str$(camerax)
  text 10,50,"Camera Y: " +str$(cameray)
  text 10,70,"Camera Z: " +str$(cameraz)
  text 10,90,"Camera Y rotate: " +str$(camerary)
  text 10,110,"Cube X: " +str$(cubex)
  text 10,130,"Cube Y: " +str$(cubey)
  text 10,150,"Cube Z: " +str$(cubez)
loop

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GMX

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Posted: 20th Sep 2005 20:58

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Thanks for your help with my code, I'm glad to know that I don't have to put semicolons after every line. (I do that when I program in gamemaker, I guess I'm just trained lol)

The matrix works (I didn't even know there was such a thing lol) but the cube still moves wierd, for example if you are moving forward and turn with left/right, the camera will turn but the cube will still not (then after a couple seconds the cube will turn), or sometimes the opposite. Any ideas?

Thanks,
-GMX

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TDK

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Posted: 23rd Sep 2005 04:10

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I think most of your problems are down to your camera code - you are trying to calculate things that DB can already do.

All you need to do is read the keyboard, alter the Y rotation of the object then use Move Object.

Set Camera To Follow will do all the nasty calculations for you...

+ Code Snippet

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

Sync On
Sync Rate 60
Make Matrix 1,5000,5000,30,30

rem variables
walkspeed=2
make object cube 1,10
rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100

rem main loop:
do
  rem key inputs
  if rightkey()=1 then YRotate Object 1,WrapValue(Object Angle Y(1)+1)
  if leftkey()=1 then YRotate Object 1,WrapValue(Object Angle Y(1)-1)
  if upkey()=1
    Move Object 1,walkspeed
  endif
  if downkey()=1
    Move Object 1,0-walkspeed
  endif
  rem end of that...
  Rem SET CAMERA TO FOLLOW X, Y, Z, Angle, Camdist, Camheight, Camsmooth, ColFlag
  Set Camera To Follow Object Position X(1),Object Position Y(1),Object Position Z(1),Object Angle Y(1),50,20,10,0
  Sync
loop

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thinkdigital

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Posted: 24th Sep 2005 19:16

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GMX - Hi. (ahem...)

Just so you know, you can use a ':' to separate commands in DB, although they are not required at the end of every line. Darkbasic assumes that each command ends at the end of that line.

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GMX

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Posted: 25th Sep 2005 00:51

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Wow, it works! Awesome! Thanks everybody.

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GMX

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Posted: 25th Sep 2005 04:11

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Sorry for a double post, but the rules said if you think of another question after posting a topic to post your other questions in 1 topic, so I figured I should post them here? Or a mod could un-confuse me

Anyways, I tried loading an object into DBPro, using this code:

+ Code Snippet

shipobj=1;
load object "ship1.3ds",shipobj

(It's in the code given to me by TKD, just under walkspeed=2)

I'm trying to replace the cube with the shipobj (in other words I deleted the make object cube line). Here's my code so far:

+ Code Snippet

REM Project: TestGame
REM Created: 9/18/2005 7:58:44 PM
REM
REM ***** Main Source File *****
REM

Sync On
Sync Rate 60
autocam off
Make Matrix 1,5000,5000,30,30

rem variables
walkspeed=2
shipobj=1
load object "ship1.3ds",shipobj

rem position and rotate objects:
position object 1,cubex,cubey,cubez
yrotate object 1,cubedir
make object cube 2,10
position object 2,0,0,100

rem main loop:
do
  rem key inputs
  if rightkey()=1 then YRotate Object 1,WrapValue(Object Angle Y(1)+1)
  if leftkey()=1 then YRotate Object 1,WrapValue(Object Angle Y(1)-1)
  if upkey()=1
    Move Object 1,walkspeed
  endif
  if downkey()=1
    Move Object 1,0-walkspeed
  endif
  rem end of that...
  Rem SET CAMERA TO FOLLOW X, Y, Z, Angle, Camdist, Camheight, Camsmooth, ColFlag
  Set Camera To Follow Object Position X(1),Object Position Y(1),Object Position Z(1),Object Angle Y(1),50,20,10,0
  Sync
loop

But when I try and compile/run the game, it just gives me a black screen for half a second and then exits, without showing anything. What's going on?

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UFOs other account lol

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Posted: 25th Sep 2005 16:54

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It works in Dark Basic Classic with a hovercraft model instead of the ship model (because I don't have the ship model). There could be something wrong with the model or there must be some extra code you need in DB pro that you don't need in DB classic.

Green Bunnies rule!

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GMX

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Posted: 26th Sep 2005 22:36 Edited at: 26th Sep 2005 22:38

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Well just in case it's the model, here's the model:

http://www.thekeystoreality.com/adam/ship1.3DS

Could somebody try this model with my code on their computer?

Or maybe like Green Bunny said it is something that has to do with DBPro?

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Me!

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Posted: 26th Sep 2005 23:26 Edited at: 26th Sep 2005 23:28

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I tried to load it

the model is duff...doesn`t load
I loaded another 3DS model into the same code and that worked fine
I suggest you convert all your 3DS models to .X, they load a lot faster and they are more flexible, 3DS has issues in pro, you are best avoiding them.

Me!

we know where area 51 is, but where are areas 1 to 50?, and what do they do there?.

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GMX

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Posted: 26th Sep 2005 23:35 Edited at: 27th Sep 2005 01:09

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Well at least now I know...

P.S. I'm using 3ds max to make my models. I don't think 3ds max can export to .x, is there any other format that works with db pro?

EDIT: Well, I got it working. I figured out the problem, too. DBPro won't let me load models that I applied texture to when I made it in 3ds max. Why is that? And how do I apply texture that's just a shiny color to it? Or maybe gray color for the body of the ship and red for the wings?

EDIT: Also, I really need a tutorial. I tried making a game, and it stunk. Nothing worked. I attached the game to this message (source code). Here's what it's supposed to do:

You are supposed to see the sky in front of you (sort of works but I know there has to be an easier way)
You can press up and down to change your height, and left and right to change your horizontal position. (this works)
2 enemies start out a little ways in the distance and come towards you. (this works but I'm doing this in a really difficult and limiting way)
More enemies randomly come when i, a variable containing a random value, is equal to 2. (this doesn't work)

And I don't know why it doesn't work!

I know I'm doing pretty much everything in this game the hard way, and that's what I'm mainly asking: how do I do this the "easy" way?

(P.S. the game's called Red Wing)

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WarGoat

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Posted: 27th Sep 2005 01:17

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Quote: "P.S. I'm using 3ds max to make my models. I don't think 3ds max can export to .x, is there any other format that works with db pro?"

You are using 3ds max?! If I don't make a mistake, its the programs that worth like 5000$? But aniway, Lucas W(I think its him) as a program for converting 3ds to x in is web site. You should try it, its very useful.

Windows XP,pentium IIII, 1,9 MGZ, 256 mb memory, 128 mb video card ATI Radeon 9200 se s80 'sett squadron back on the assault'

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GMX

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Posted: 27th Sep 2005 01:23 Edited at: 27th Sep 2005 01:24

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Thanks.

Could somebody take a look at Red Wing (read my above post) and see what I could do to make it different (different meaning better and actually work)?

Now I just need some beginner's tips. Like, what type of game should I start with, if not one like red wing (I don't want to start with pong). An FPS?

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