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DarkBASIC Professional Discussion / How do you get polygon collision to work?

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AnalSauceMonkey
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Posted: 26th Sep 2003 20:06 Edited at: 26th Sep 2003 20:07
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Move the sphere with the mouse.


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AnalSauceMonkey
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Posted: 26th Sep 2003 22:16
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does anybody know?

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AnalSauceMonkey
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Posted: 27th Sep 2003 01:15
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hello?

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DrakeX
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Posted: 27th Sep 2003 06:29
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umm there is no way to do sliding polygonal collisin with DBP's built in commands.

you have to use a DLL.

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AnalSauceMonkey
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Posted: 27th Sep 2003 07:16
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damn

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Benjamina
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Posted: 27th Sep 2003 07:31
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You mean you can't do sliding with sphere-to-poly or cube-to-poly collision?

I thought that was possible.

Regards
Ben

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AnalSauceMonkey
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Posted: 27th Sep 2003 08:08
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Okay now I'm confused. What is possible without dlls or whatever?

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UberTuba
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Posted: 27th Sep 2003 11:01
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stop.
forgetabout using polygon-polygon sliding collsision.
unless you have rich's pc you're only gonna be able to do about polygon-polygon collision routine per second. Its very slow.
And there is no quick way to do it in DB

So us the command interscet object for perfect collision, as it wil give you the exact ditance between the player and the wall
Im pretty sure kenuspens collision engine uses this method.
Go to the code Snippets forum and look for collision.


ps i think Benjamin misunderstood your post and thought you
were using geometric collision, as the object you were colliding
were a sphere and a cube.

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AnalSauceMonkey
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Posted: 27th Sep 2003 19:15
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Well I do have a fast pc (3.06ghz pentium 4, Radeon 9700, 512mb ram), but I will try what you're sayin.

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DrakeX
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Posted: 28th Sep 2003 06:29
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"You mean you can't do sliding with sphere-to-poly or cube-to-poly collision?
I thought that was possible."

nope. if it were, people wouldn't be writing DLLs to do it

you can check for collision. and it's very fast and accurate. however it gives you no way to move the objects if they do collide. GET OBJECT COLLISION X/Y/Z() are disabled in anything but unrotated box collisions.

if someone HAS figured out how to do sliding collision with INTERSECT OBJECT() -- well then that's awesome but i doubt' it'd be very fast.. well it'd be fast with a few object and a not-so-complex environmet. but crank up the players/objects and make the environment complex, and there goes the FPS...

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