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DarkBASIC Discussion / Polygon Collision

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AuzingLG
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Posted: 1st Apr 2004 21:46 Edited at: 1st Apr 2004 21:47
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Hi!
Compton's trick is nice, but I want to allow players of my game to add their own maps. So, my problem is:
If I use:

Everything works. But then I typed:

And the collision detection didn't work anymore. I hope there is a way to solve my problem without collision dlls.
Please help me, THANKS.

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guru of boredom
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Posted: 2nd Apr 2004 06:24
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umm why not just get rid of the period that u added so it works again. stupid answer but its all i can say

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Brandon Smith
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Posted: 5th Apr 2004 05:07
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lol,

Well the code that you have there looks correct. That's very strange. My guess is that it must be something that your doing somewhere else. How long is your code? I can take a look if you'd like. Is the model of your map loading correctly at least?

Brandon
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AuzingLG
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Posted: 5th Apr 2004 21:32 Edited at: 5th Apr 2004 21:33
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Thank you, that's nice.
The model is an X-Version of Stratus.CSM...
It's loading correctly.
The code is about 4 KB.
I've added it to this post.
It's very WIP.

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Brandon Smith
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Posted: 6th Apr 2004 21:52
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Instead of testing your object collision with object 4 and the second parameter as 0, what happens when you test it with 4 and 1?

So
if object collision(4, 0) > 0 then position object 4, x#, y#, z#

would become
if object collision(4, 1) > 0 then position object 4, x#, y#, z#

Does that help at all?

Brandon
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AuzingLG
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Posted: 7th Apr 2004 21:11
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no, it didn't work

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nuclear glory
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Posted: 8th Apr 2004 01:52
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hmmm, have you tried it using our DLL? It's probably not what you want to hear, but you might find that it quickly overcomes your problem.

Lead Programmer/Director
Powerful Collision DLL for DBPro and DBC: http://www.nuclearglory.com
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Brandon Smith
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Posted: 9th Apr 2004 04:20
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The problem might be because you are updating x#,y#,z# twice each frame.

So you're player is moving to a spot. The x#,y#,z# is updated to reflect that. Then you say, "is there a collision with the player and anything else? Well if there is move him to where he already is right now". Which doesn't make much sense, and then you update the x#,y#,z# again.

Try taking away the update of x#,y#,z# before the collision test, and see if that doesn't solve any problems.

I also strongly recommend the NuclearGlory collision DLL if you are serious about having good collision detection in your game, it's something to at least look into.

Brandon
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Brandon Smith
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Posted: 9th Apr 2004 05:12
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I apologize, I misread your code. You don't need to update the player positions twice, but it really shouldn't actually make a difference the way you have it written. I wish I knew what the problem was, but I'm sorry, I can't figure it out.

Brandon
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AuzingLG
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Posted: 9th Apr 2004 20:02
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it doesn't

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Emperor Baal
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Posted: 9th Apr 2004 20:32
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Here's a way to check for collision (sliding)



Done, you can also do this for the Y axis (+ height check, so he
can still walk on stairs and slopes)

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