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DarkBASIC Discussion / Bah. Collision problems.

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Yoshiman1
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Posted: 21st Jan 2005 02:04
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Okay, so I take a look at DBC's collision example, since I'm having problems with my collision. All they have is the command set object collision on 1 and the if object collision, do whatever command.

So I do the exact same thing with mine. I have a level object and my player model. I have set object collision on 1 (my player model), and the if object collision command, do whatever it's supposed to. Thing is, it won't do what it's supposed to. It's like there's no collision.

I even tried setting global collision on and setting the object collision on my level model. But neither works.

The only thing that works is if I set the object collision to boxes or spheres. But then it slows down majorly. The only time I've had it slow down is if I set to to polygon. But spheres and box collision? Never had it slow down.
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NanoBrain
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Posted: 21st Jan 2005 03:45
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I have no knowledge of using DB's collision system, but I have heard of it being a major processor eater. I would suggest just learning to calculate the collision yourself. EXwritten in pusedo style code)

Here is an image to visually explain what I am saying.

Anyway, you might already know this and just not like it's method. But, I thought I would give my honest input. Later.

+NanoBrain+
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Yoshiman1
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Posted: 21st Jan 2005 05:27
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Holy crap. That's gonna be a hectic code for my level model.
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Osiris
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Posted: 21st Jan 2005 05:30
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just go newton physics

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Yoshiman1
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Posted: 21st Jan 2005 06:37
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Isn't that something you have to pay for? I don't have the money for it.
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Osiris
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Posted: 21st Jan 2005 13:02
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walber told me it was free and i got the lastest one for free of his site

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Yoshiman1
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Posted: 21st Jan 2005 23:41 Edited at: 21st Jan 2005 23:45
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Ah. Nevermind. I'm thinking of Nuclear Glory.


EDIT: Aw, man, it's free, but it's for DarkBasic Pro. I have Pro, but it has problems with animation in my models.
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Hop a long
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Posted: 22nd Jan 2005 10:06
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Yoshi
In your first post you mentioned DBC. You also have DBP. In which one are you coding now? And, can you post a snippet?
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Phaelax
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Posted: 22nd Jan 2005 23:23
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For simple, non-rotated box collision (AABB), check out this snippet.
http://www.thegamecreators.com/?m=codebase_view_code&i=67ac560245c9b4822f6e288ba7137bd4

"eureka" - Archimedes
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Dom
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Posted: 22nd Jan 2005 23:52
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Just use NGC. You can still get a free version of it. I have (Cos Im a cheapskate)


Thanks to Animeblood for the Logo!
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Yoshiman1
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Posted: 23rd Jan 2005 14:07
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"Yoshi
In your first post you mentioned DBC. You also have DBP. In which one are you coding now? And, can you post a snippet?"


I'm coding in DBC right now, as it doesn't mess up animations in my model.

I can post the source code, but I don't know how it'll help, it's the regular commands you'd see in any other normal working program.

This is all I have for now. But it makes Mario move and fall, and that's enough to check collision.
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Hop a long
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Posted: 24th Jan 2005 05:18
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Yoshi
I believe DBC will load your "L1\Level1.x" as a single object. I don't think it will be able to pick out the individual objects that the level is made of.
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Yoshiman1
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Posted: 25th Jan 2005 01:41
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Well, actually, I think it does, because when I put on the set collision to spheres or boxes or any of those commands, the collision works. It just goes way too slow, but I've never had that problem when setting the collision to SPHERES or BOXES.
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Hop a long
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Posted: 25th Jan 2005 11:30
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Ohkaaay
I've made levels in the DeleD editor which saves as x files. I could not write code that would register collisions against the individual components using the Object Collision command. Never mind any that worked but slowed down the frame rate.

What editor or app are you using to build your level?

Also in your code I don't see any routines for collision except to end your jump. You don't say what you are trying to do when the collision does't seem to work. For example, are you looking for collisions against walls?
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Yoshiman1
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Posted: 26th Jan 2005 02:10
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I used Anim8or, copying and pasting on different models onto my 3 boxes. Then I transfered it over to 3D Studio Max to reduce the polygon count. Then I used Darkbasic's X convertor to convert it to an x file.



Well, basically, if there's no collision, then allow him to fall. If there's a collision, set the grav# to 0 so that he doesn't fall anymore. So I'm looking for collisions against the ground.
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Hop a long
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Posted: 26th Jan 2005 08:20
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I think I know what your level is like, the player has to jump from platform to platform. Though I'm not sure what this means:
Quote: "copying and pasting on different models onto my 3 boxes"

If your level has a small number of objects you can load them individually.

I might be missing the platform completely and about to fall but is this what you are talking about? :
http://www.geocities.com/hifin2003/platform_jumping.html

If it is then here is a follow up with a simple animation:
http://www.geocities.com/hifin2003/platform_teddy.html
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Yoshiman1
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Posted: 27th Jan 2005 07:30
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"If your level has a small number of objects you can load them individually."

... load... them... individually, hey, wait a minute, YOU'RE A FLIPPIN' GENIUS! Thank you, this just solved my problems!
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Hop a long
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Posted: 27th Jan 2005 09:26
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Dom
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Posted: 28th Jan 2005 01:37
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NGC!!!!


Thanks to Animeblood for the Logo!
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Yoshiman1
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Posted: 28th Jan 2005 08:26
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Bah... not so much, still had the same problem. I made a seperate box, and didn't even set the collisions on for the big level, and for some reason, when I set polygon collisions for only 2 boxes made in Darkbasic, it still went slow.


And I tried NGC, but it was weird and complicated.
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Hop a long
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Posted: 28th Jan 2005 10:36
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When you change your code, no one knows the new details of what you have done unless you post it. Hint,hint,hint....hint.

By the by, just how many polys are in your models?
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