Any sites that will help me? - GameCreators Forum

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Seraf

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Joined: 22nd Feb 2004

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Posted: 28th May 2004 22:21

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I am wanting to make old Atari like games, but the User Manual isn't exactly helping me any, and the tutorials here on the DB site aren't what I'm looking for so nothing is helping me

Does anyone know of a good site that will help me out?

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C l a r k

22

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Joined: 18th Apr 2004

Location: Rhode Island...State motto: Who Cares?

Posted: 29th May 2004 01:30

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reaperman posted a nice 2d shootemup retro game tut...
http://www.thegamecreators.com/?m=forum_view&t=27598&b=4

im working on a retro space invaders game...contact me if you need any help and i'll help to my full ability.

Concept Software: http://concept.dbspot.com

"Hey! HEY! Sir you can't park your car on the - oh...wait...it's not a van, it's just a fat kid!"

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Seraf

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Joined: 22nd Feb 2004

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Posted: 29th May 2004 02:11

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Thanks, that helped me a bit but I'm still confused on many things x.x Theres still a bit I don't completely understand yet. Maybe you can help me a bit

I wanna ask you somthing really really basic so I can get started with this. Lets say I wanted a little Triangle (ship) on the bottom of the screen and 5 Triangles (enemy ships) on the opposite end of the screen, how will I set this up? (The 5 enemy ships also being a different color than the players) lol

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C l a r k

22

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Joined: 18th Apr 2004

Location: Rhode Island...State motto: Who Cares?

Posted: 29th May 2004 17:50

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...k.

use sprites. make 2 triangles on ms paint, both point-up. 1 green, 1 red. 10x10px.

keep in mind this code is untested...I may have mixed up x and y coordinates...inverse them if it looks wierd

+ Code Snippet

sync on
sync rate 30
hide mouse
color backdrop 0

`load images for sprites
load image 1,"yourship.bmp"
load image 2,"enemy.bmp"

`make and position sprites
youX#=screen width()/1-5
youY#=240

rem YOUR SHIP
sprite 1,youX#,youY#,1

rem FIVE ENEMIES
for x=1 to 5
    enemyX#=280
    enemyY#=200
    spritenum#=x+1
    sprite spritenum#,enemyX#,enemyY#,2
    inc enemyX#,20
next x

Concept Software: http://concept.dbspot.com

"Hey! HEY! Sir you can't park your car on the - oh...wait...it's not a van, it's just a fat kid!"

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Seraf

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Joined: 22nd Feb 2004

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Posted: 30th May 2004 23:06 Edited at: 30th May 2004 23:10

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Thanks, I'll experiment with that ^_^ but before I read your post I had somebody help me and this is the code I had so far. Now mine looks a bit different on the making enemies <.< in your code is that so you can have 5 enemies up?

Heres mine o-o

I need some help on making it where I can attack and the enemies have AI where they move around and shoot at you and you have your 3 continues and a score counter. I don't know how to do this x.x

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C l a r k

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Joined: 18th Apr 2004

Location: Rhode Island...State motto: Who Cares?

Posted: 1st Jun 2004 00:02 Edited at: 1st Jun 2004 00:10

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my code (above) wont work as of now...
I wrote it from a hotel and the hotel manager (ass) kicked me off and I couldnt finish -_-

I cant be arsed at the moment to rewrite the code but here are some snippets for you to work off of.

yes, it could make 100 enemies if you wanted

+ Code Snippet

ex=0
for x=1 to 100
sprite x,ex,100,[imageforsprite]
inc ex,20
next x
sync

(this would run off the screen, but you get the idea.)

here's an example of what I did to store info on each of 5 enemies in my game...someone tell us if there's an easier way XD

+ Code Snippet

dim enemyHealth(5)
dim enemyStrength(5)
dim enemyType$(5)
dim enemyX(5)
dim enemyY(5)

ex=0
for a=1 to 5
    enemyHealth(a)=100
    enemyStrength(a)=5
    enemyType$(a)="Starship"
    enemyX(a)=ex
    enemyY(a)=ey
    inc ex,20
next a
sync

(by the way, this assumes that your enemy sprite is 10x10px..."inc ex,20" spaces each 10 apart (10 for the next sprite + 10 for a space=20)

I havent gotten to my AI yet, but here's a code to check to see if your ship's sprite is under any of the five enemies. It then randomly (1 out of 4) shoots. (I'll leave out the shoot function...I'll just point it to a code section labeled "eshoot", where the variable "enemynum" tells the code which enemy shot a laser. assume sprite 6 is your ship's sprite, and it's 10x10px.)

this should *theoritcally* work.

+ Code Snippet

rem (I really should learn to use sprite offset :P)

for y=1 to 5
eLeft=sprite x(y)
eRight=sprite x(y)+10

you=sprite x(6)+10

if you > eLeft and you < eRight
    chance=rnd(4)
    if chance=2
        enemynum=y
        gosub eshoot
    endif
endif
next y
sync

hope that helped

EDIT:

I believe this is wrong.

+ Code Snippet

enemy2x = 150
enemy2y = 30

enemy3x = 70
enemy3y = 30

enemy4x = -10
enemy4y = 30

enemy6x = 310
enemy6y = 30

enemy7x = 390
enemy7y = 30

enemy8x = 470
enemy8y = 30

enemy9x = 550
enemy9y = 30

This will work:

+ Code Snippet

enemy(2,x) = 150
enemy(2,y) = 30

enemy(3,x) = 70
enemy(3,y) = 30

enemy(4,x) = -10
enemy(4,y) = 30

enemy(6,x) = 310
enemy(6,y) = 30

enemy(7,x) = 390
enemy(7,y) = 30

enemy(8,x) = 470
enemy(8,y) = 30

enemy(9,x) = 550
enemy(9,y) = 30

Try using for/next loops mroe often, its MUCH more efficient. inc [variable],[number to increase by] helps too. Look at the codes I posted above, and model off those.

Concept Software: http://concept.dbspot.com

"Hey! HEY! Sir you can't park your car on the - oh...wait...it's not a van, it's just a fat kid!"

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