Switching directions for bullets

Non-platform specific questions.

Switching directions for bullets

Postby AnimeTank » Tue May 08, 2007 2:04 am

My game is coming along great. One bug i have is the direction the bullets are going. You see, my character has a gun but when i shoot, the bullets go one direction. Even if i'm facing the other way. Can anyone help me out here please? :lol: :wink:
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Postby Sgt. Sparky » Tue May 08, 2007 2:43 am

okay,
make a variable called DIR.
for the draw actor event of the player,
Code: Select all
char*key=GetKeyState();
if(key[KEY_LEFT] == 1)DIR = 0;
if(key[KEY_RIGHT] == 1)DIR = 1;

and for the create actor event for the bullet,
Code: Select all
if(DIR == 0)xvelocity = - 10;
if(DIR == 1)xvelocity = 10;

:)
if you still need help let me know. :D
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Okay... a new problem...

Postby AnimeTank » Tue May 08, 2007 3:09 am

I wrote all the information you gave me in the script and it worked out fine, but theres another bug. It's kind of difficult for me to say but let me try anyway. When i shoot my gun one way and then i turn the other way, the bullets then change direction and head the way i am looking! If i shoot and turn the other way, the bullet is just gonna keep going the direction i'm facing... back and forth, back and forth. Can you help me out? :oops:
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Re: Okay... a new problem...

Postby Sgt. Sparky » Tue May 08, 2007 3:10 am

AnimeTank wrote:I wrote all the information you gave me in the script and it worked out fine, but theres another bug. It's kind of difficult for me to say but let me try anyway. When i shoot my gun one way and then i turn the other way, the bullets then change direction and head the way i am looking! If i shoot and turn the other way, the bullet is just gonna keep going the direction i'm facing... back and forth, back and forth. Can you help me out? :oops:

on create actor event use the velocity calculation,
not on the draw actor event. :D
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Postby AnimeTank » Tue May 08, 2007 3:31 am

??? Can you specify? :?:
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Postby Sgt. Sparky » Tue May 08, 2007 8:07 pm

AnimeTank wrote:??? Can you specify? :?:

your code may look somthing like this on the draw actor event of your bullet,
Code: Select all
if(DIR == 0)x -= 10;
if(DIR == 1)x += 10;

do not use it like that,
use it on the create actor event,
only change x to xvelocity,
Code: Select all
if(DIR == 0)xvelocity = -10;
if(DIR == 1)xvelocity = 10;

:D
got it?
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Postby AnimeTank » Tue May 08, 2007 8:55 pm

Hmm... i don't know whats the problem. I tried everything you told me but it still does what it usually does... Hmmm, i wonder if i'm doing something wrong... :?:
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Postby Sgt. Sparky » Tue May 08, 2007 8:58 pm

AnimeTank wrote:Hmm... i don't know whats the problem. I tried everything you told me but it still does what it usually does... Hmmm, i wonder if i'm doing something wrong... :?:

Send me the file. :D (.ged and data)
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Postby AnimeTank » Tue May 08, 2007 9:42 pm

It won't let me. It says that the extension ged is not allowed?
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Postby Oman » Tue May 08, 2007 10:52 pm

you have to put it in a zip file, dont you?
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how about this

Postby d-soldier » Tue May 08, 2007 11:42 pm

Post your bullet actors scripts here. I want to see it's create actor script, and it's daw actor script. This information will help us fix your problem.
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Postby AnimeTank » Wed May 09, 2007 12:52 am

It's exactly like the way sparky posted them, because i copied it then pasted it onto my scripts
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Postby Fuzzy » Wed May 09, 2007 1:00 am

Code: Select all
if(DIR == 0){x -= 10;}
if(DIR == 1){x += 10;}


Code: Select all
if(DIR == 0){xvelocity = -10;}
if(DIR == 1){xvelocity = 10;}


Corrected...
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Postby Caaz Games » Wed May 09, 2007 2:36 am

... Use Two Bullets One Going One Way The Other Going The Other ...
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http://caaz.freeforums.org/
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Postby Sgt. Sparky » Wed May 09, 2007 3:13 am

Fuzzy wrote:
Code: Select all
if(DIR == 0){x -= 10;}
if(DIR == 1){x += 10;}


Code: Select all
if(DIR == 0){xvelocity = -10;}
if(DIR == 1){xvelocity = 10;}


Corrected...

you do not need the { and }
but
all you must use is the create actor event of:
Code: Select all
if(DIR == 0)xvelocity = - 10;
if(DIR == 1)xvelocity = 10;

if you used a draw actor event you would still have the same problem.
(it would change the direction of the bullet all the time)
on the create actor event it only changes it once.

sorry for the confusion. :(
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Random Links:
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