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Code Snippets / Select object with mouse

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Mikko
21
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Joined: 25th Sep 2002
Location: Finland
Posted: 24th Mar 2003 23:21
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Here is a short function included in one example.

I used distance algorithm and basic sorting in it.

You can select any kind of objects
with it .

It works in any camera angle.

Move the camera with arrowkeys.

give it a try

http://koti.mbnet.fi/ketonen/db/functions/mouse3d.htm

Mikko
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andrew11
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Joined: 23rd Feb 2003
Location: United States
Posted: 25th Mar 2003 05:42
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That's really cool

I was thinking of creating something like that mysef. Mind if I use it for my own game? I'll put you in the credits

"All programmers are playwrights and all computers are lousy actors." -Anon.

<--- Just.. changed.. my. avatar... Ouch, my head!
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Mikko
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Location: Finland
Posted: 26th Mar 2003 18:25
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Great, that you like it.

And yes, you can. Me in the credits sounds fine

Mikko
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Juso
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Joined: 23rd Sep 2002
Location: Finland
Posted: 27th Mar 2003 00:22
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Hi Mikko and andrew11, you can replace the function with this:

function obj2mous(first,last)
mx=mousex():my=mousey()
neardist#=10000
for f=first to last
ox=OBJECT SCREEN X(f): oy=OBJECT SCREEN y(f)
dist#=sqrt((mx-ox)^2+(my-oy)^2)
if dist#<neardist# then nearest=f:neardist#=dist#
next f
endfunction nearest

Then you need no array at all.
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Mikko
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Joined: 25th Sep 2002
Location: Finland
Posted: 28th Mar 2003 11:17
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Yes ,you are right Juso.

The array is there only for the function to
work in all cases.

I mean, that if someone uses this function in
one game, he/she doesn't have to alter the
function itself.

It's like "all purpose" function

BTW. Function works in DB too.

(I have also another function . It can be used with
the same ease to know which object is nearest to selected
object in 3d-space. Using these two functions together you can
push objects with another objects and so on. )

Mikko
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Dostej
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Joined: 21st Jan 2003
Location: Switzerland
Posted: 1st May 2003 19:47
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Does it also work with a viewport?

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n3t3r453r
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Joined: 8th Nov 2002
Location: Russia
Posted: 2nd May 2003 18:45
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You still use such algorithms???

visit www.gamedev.net.

I'd like to change the world, but God doesn't want to give me sources!
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Ocean Runner
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Location: United States
Posted: 21st May 2003 05:51
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doesn't work in DBC!

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indi
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Joined: 26th Aug 2002
Location: Earth, Brisbane, Australia
Posted: 21st May 2003 09:53
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here is a better version for the Classic users.

tested on v113

see code button below

http://www.lunarpixel.com

http://www.lunarpixel.com/dt/
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indi
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Location: Earth, Brisbane, Australia
Posted: 21st May 2003 09:55
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note pro users will have to adjust the set object flags as DBC and DBP have some reversed flag conditions compared to each other.

SET OBJECT works in DBC but its pro counterparts that isolate each set object flag into its own command are not classic syntax.

http://www.lunarpixel.com

http://www.lunarpixel.com/dt/
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