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DarkBASIC Professional Discussion / Get Object Height Like Terrain

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punkyb
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Posted: 22nd Oct 2016 01:06
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I was wondering if there's an updated solution to this problem. I found some old ones but there's lack of proper simulation with the terrain counterpart.

Hope someone can shed some light into this.
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Derek Darkly
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Posted: 22nd Oct 2016 01:33
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A lot of people like to use Sparky's collision .dll... i've attached it if interested. It comes with examples.

Otherwise, INTERSECT OBJECT can be used for accurate terrain-like collision detection on objects.
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Ortu
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Posted: 22nd Oct 2016 02:05
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I use sparkys for object collision and highly recommend it. It's fast, can handle sliding collision, can return bounce vectors, surface normals, good stuff.


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punkyb
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Posted: 22nd Oct 2016 12:03
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Thanks Derek Darkly and Ortu! I did notice that this is the "Go-to" collision library for DBP. I'll give this a try.

I'm still working my way with basic DBP maybe there's already an example done where you can simulate a terrain mesh?


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punkyb
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Posted: 22nd Oct 2016 15:24
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I also found out that there's a command like this in Advanced Terrain Plugin



So I guess there are equivalent functions that are similar with matrix terrain?
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Derek Darkly
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Posted: 22nd Oct 2016 15:28 Edited at: 22nd Oct 2016 15:35
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This is not a full working example but the Advanced Terrain commands look something like this:
(You should be able to use "SAVE OBJECT" on these terrains.)

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Derek Darkly
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Posted: 22nd Oct 2016 15:33
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I have successfully used matrixes as terrains, although they are limited in the way you can texture them.
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punkyb
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Posted: 22nd Oct 2016 16:53 Edited at: 22nd Oct 2016 16:53
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Thanks! So it looks like this could be my option. Good example btw, maybe you can add up the INTERSECT OBJECT to sample the height/collision checking?

I was looking into the SparkyDLL examples but I cannot find the command set being used there.
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Derek Darkly
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Posted: 22nd Oct 2016 18:33 Edited at: 22nd Oct 2016 18:35
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Just open up the file "SC_Collision.ini" to see all the commands.

And as per the ReadMe:

Place the 'SC_Collision.dll' file in your 'Dark Basic Professional\Compiler\plugins-user' folder
If you want key words highlighted in the IDE place the 'Help\Keywords\SC_Collision.ini" in your "Dark Basic Professional\Editor\Keywords' folder


Each time you add a plugin you'll have to restart the editor.
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Derek Darkly
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Posted: 22nd Oct 2016 18:39
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BTW, if I were going to make a 3D terrain I would consider using texture splatting.
There is a nice thread on it here.
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punkyb
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Posted: 23rd Oct 2016 03:31
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Thanks Derek Darkly, finally I got to test on your last example above and it works like a charm!

So this is in particular what I'm after all along:



Yes noted that's a great resource but I already covered that part with the splat mapping.

Quick question though, what does terrain update do? I removed it but it doesn't change anything?
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Derek Darkly
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Posted: 26th Oct 2016 00:41
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Quote: "Quick question though, what does terrain update do? I removed it but it doesn't change anything?"


Well, I thought it was necessary but if your terrain shows up without it then that should be fine.
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punkyb
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Posted: 26th Oct 2016 01:12
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Quote: "Well, I thought it was necessary but if your terrain shows up without it then that should be fine. "


Ok thanks!
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Scorpyo
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Posted: 26th Oct 2016 09:51
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If I remember correctly - terrain update - occludes the chunks invisible to the camera for better performance.
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punkyb
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Posted: 26th Oct 2016 11:50
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Hey, that's good to know!
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Derek Darkly
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Posted: 28th Oct 2016 01:33
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LoL... I figured there had to be a good reason for that command to exist!
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