Help with my game - GameCreators Forum

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comando 300

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Posted: 30th Dec 2003 00:41

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I'm making a Space Invader game.I'm stuck in how to make the bullet move.
Any help will be welcome.

Is just of those days when you don't wanna wake up everything is *****, everybody sucks you really don't know why, but you wanna justify rippin' someone head off!

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justinHeintz

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Posted: 30th Dec 2003 00:43

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i can help becuase iv done it befor but i dont no how you want it to move

Justin Heintz

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Pincho Paxton

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Posted: 30th Dec 2003 01:53

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Up/Down is the Y position of the bullet. If you decrease the Y position, the bullet goes up.

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comando 300

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Posted: 30th Dec 2003 17:34

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I know.But I want to shoot in the spacakey and when I prees the space bar the bullet show up but I have to hold the spacebar to the bullet go up.

Is just of those days when you don't wanna wake up everything is *****, everybody sucks you really don't know why, but you wanna justify rippin' someone head off!

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flibX0r

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Posted: 1st Jan 2004 18:41

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code would be helpful

I was going to put some kind of geek joke, but i can't remember how it goes...

...something about a 12ft butch lesbian.

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zircher

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Posted: 1st Jan 2004 23:26

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What you're doing is placing the movement code inside of the space bar detection code.

What you need to do is start the bullet then the space bar is pressed and set a variable like... bullet = 1

Then, in your main loop have an if statement that says if bullet = 1 them move the bullet. When the bullet hits the top or an invader, set the bullet variable back to 0.
--
TAZ

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PiratSS

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Posted: 2nd Jan 2004 00:37

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You should post this on the newcomers forums. They won't flame you.

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the_winch

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Posted: 4th Jan 2004 10:34

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And post code, it's a lot easy to see exactly whats wrong when you see the code instead of trying to guess.

dbpro : 2ghz p4m : 512mb : geforce 4 4200 go

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Posted: 6th Jan 2004 01:49

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ok
All I want to do is when the bullet is shoot and the player press again the trigger the bullet shoot from the ship.

Here is the code and test it and you can see what I'm talking about.

REM -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
REM -       SPACES SHOOTERS       -
REM -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
SYNC ON : SYNC RATE 13
HIDE MOUSE
REM  LOADING THE THINGS
REM LOADING ALL OBJECTS
LOAD IMAGE "SPACESHUTTLE.BMP",1
LOAD IMAGE "BULLET BIG.BMP",2
LOAD IMAGE "SPACE.BMP",3
REM LOADING SOUNDS
LOAD SOUND "SHOOT1.WAV",1
REM VARIABLES
BULLET=2
SCORE#=0
LIFE#=5
PLAYERX#=300
PLAYERY#=390
BULLETX#=319
BULLETY#=390
REM PUTTING THE THINGS IN THE SCREEN
PRINT "SCORE:";SCORE#
PRINT "LIFES:";LIFE#
REM POSITIONING AND SETTING THE PLAYER
SPRITE 1,PLAYERX#,PLAYERY#,1
SET SPRITE 1,1,1
REM POSITIONING THE BULLET
SPRITE 2,BULLETX#,BULLETY#,2
SET SPRITE 2,1,1
HIDE SPRITE 2
REM SCENE
PASTE IMAGE 3,100,0
REM BEGIN THE LOOP
DO
REM MAKING THE MOVEMENTS OF THE SHIP
IF RIGHTKEY()=1  THEN SPRITE 1,PLAYERX#+9,PLAYERY#,1 : PLAYERX#=PLAYERX#+9 : BULLETX#=BULLETX#+9
IF LEFTKEY()=1 THEN SPRITE 1,PLAYERX#-9,PLAYERY#,1 : PLAYERX#=PLAYERX#-9 : BULLETX#=BULLETX#-9
REM MOVING THE BULLET
IF SPACEKEY()=1 THEN GOSUB FIRE
SYNC
LOOP
FIRE:
DEC BULLETY#,14
IF SPACEKEY()=1 THEN SPRITE BULLET,BULLETX#,BULLETY#,2 : PLAY SOUND 1
INC BULLET 
IF BULLET=>20 THEN BULLET = 2
RETURN

+ Code Snippet

REM -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
REM -       SPACES SHOOTERS       -
REM -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
SYNC ON : SYNC RATE 13
HIDE MOUSE
REM  LOADING THE THINGS
REM LOADING ALL OBJECTS
LOAD IMAGE "SPACESHUTTLE.BMP",1
LOAD IMAGE "BULLET BIG.BMP",2
LOAD IMAGE "SPACE.BMP",3
REM LOADING SOUNDS
LOAD SOUND "SHOOT1.WAV",1
REM VARIABLES
BULLET=2
SCORE#=0
LIFE#=5
PLAYERX#=300
PLAYERY#=390
BULLETX#=319
BULLETY#=390
REM PUTTING THE THINGS IN THE SCREEN
PRINT "SCORE:";SCORE#
PRINT "LIFES:";LIFE#
REM POSITIONING AND SETTING THE PLAYER
SPRITE 1,PLAYERX#,PLAYERY#,1
SET SPRITE 1,1,1
REM POSITIONING THE BULLET
SPRITE 2,BULLETX#,BULLETY#,2
SET SPRITE 2,1,1
HIDE SPRITE 2
REM SCENE
PASTE IMAGE 3,100,0
REM BEGIN THE LOOP
DO
REM MAKING THE MOVEMENTS OF THE SHIP
IF RIGHTKEY()=1  THEN SPRITE 1,PLAYERX#+9,PLAYERY#,1 : PLAYERX#=PLAYERX#+9 : BULLETX#=BULLETX#+9
IF LEFTKEY()=1 THEN SPRITE 1,PLAYERX#-9,PLAYERY#,1 : PLAYERX#=PLAYERX#-9 : BULLETX#=BULLETX#-9
REM MOVING THE BULLET
IF SPACEKEY()=1 THEN GOSUB FIRE
SYNC
LOOP
FIRE:
DEC BULLETY#,14
IF SPACEKEY()=1 THEN SPRITE BULLET,BULLETX#,BULLETY#,2 : PLAY SOUND 1
INC BULLET 
IF BULLET=>20 THEN BULLET = 2
RETURN

Is just of those days when you don't wanna wake up everything is *****, everybody sucks you really don't know why, but you wanna justify rippin' someone head off!

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Kwiki Mart

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Joined: 9th Dec 2003

Location: PA

Posted: 6th Jan 2004 10:52 Edited at: 6th Jan 2004 10:56

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I bet that when you shoot everything stops but the bullet right? Don't use a subroutine, keep using if statments. Like:

shot=0
do
if spacekey()=1 and shot=0 then shoot the bullet : shot=1
if shot=1 then bullety#=bullety#-5
if bullety#<0 then shot=0
if sprite collision(#,#)=1 then shot=0
loop

This should keep the bullet from coming back when the spacekey is pressed again.

also, if you put "bulletx#=playerx#+19" in your main loop then you can get rid of the bulletx# movements from the arrows. It will follow the players movements automaticly.

I hope this helps out.

On target, On time!

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comando 300

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Posted: 7th Jan 2004 01:48

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Yeah,but I have to hold the spacekey to make the bullet go up.That's what I don't want.

Is just of those days when you don't wanna wake up everything is *****, everybody sucks you really don't know why, but you wanna justify rippin' someone head off!

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Pincho Paxton

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Posted: 7th Jan 2004 04:35

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Naval Gun's code should fix that!

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comando 300

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Posted: 8th Jan 2004 01:49

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I erase my part and put Naval Gunz's code and it didn't fix it.It do the same thing.And no,the part of my code don't freeze the game.

Is just of those days when you don't wanna wake up everything is *****, everybody sucks you really don't know why, but you wanna justify rippin' someone head off!

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