Second Life Forums Archive - Basic Vehicle Help

Ferdinand Dougall

Registered User

Join date: 1 Feb 2005

Posts: 1

02-03-2005 19:21

I made vehicles but the problem is that when I do and I drive them (Space ships etc) I sit on a random par tof the surface, I asked my friend over and over and he wont tell me. I heard its something with the root object? I just want to be able to sit at a certain place every time.

billy Madison

www.SLAuctions.com

Join date: 6 Jun 2004

Posts: 2,175

02-03-2005 19:23

*cough* msg cristiano, he responded to some other thread in the forum about this and he is probably on right now *cough*

_____________________

Prestige Fine men and womens clothing and jewelry, on SLExchange

Kats Kothari

Disturbingly Cute

Join date: 14 Aug 2003

Posts: 556

02-03-2005 21:35

From: Ferdinand Dougall

I made vehicles but the problem is that when I do and I drive them (Space ships etc) I sit on a random par tof the surface, I asked my friend over and over and he wont tell me. I heard its something with the root object? I just want to be able to sit at a certain place every time.

Welcome to SL Ferdinand.

By root prim (or what can also be called the "parent" prim) your friend was referring to the main prim of the build, or the prim that you linked the other ones to. If you want the avatar to sit on a specific prim, you should link the remaining prims to that one. This can be done as well by linking to the main prim last. Hope that I explained it well (serves me right for posting so late).

_____________________

Maker of many kawaii items: Dolls, huggable plushies, and purses with cute critters.
Visit Kats' Kreatures for a better look and feel free to explore! =^_^=
Kats' Kreatures Gualala (140,9)

"The cat is cryptic, and close to strange things which men cannot see..."
- H.P. Lovecraft

Huns Valen

Don't PM me here.

Join date: 3 May 2003

Posts: 2,749

02-04-2005 04:28

#1: Your root prim should be set up so that when it is at zero rotation, the craft is pointing due east and at the horizon. IF IT ISN'T, YOU ARE GOING TO HAVE A GIGANTIC HEADACHE TRYING TO MAKE IT MOVE PROPERLY.
#2: Use llSitTarget() to make the avatar sit properly.
#3: Here is a sample airplane script which illustrates llSitTarget().
#4: Read the last two sentences in my sig.

_____________________

[ huns? || words || 1TBS KREW || VHI Aircraft || Whitepaper on Aircraft Physics ]

Make yourself and your objects immune to llPushObject().

Cubey Terra

Aircraft Builder

Join date: 6 Sep 2003

Posts: 1,725

02-04-2005 08:41

Ferdinand, you should look into this first, as Huns suggests:

From: Huns Valen

#1: Your root prim should be set up so that when it is at zero rotation, the craft is pointing due east and at the horizon. IF IT ISN'T, YOU ARE GOING TO HAVE A GIGANTIC HEADACHE TRYING TO MAKE IT MOVE PROPERLY.

The root prim (also called parent prim) is the prim that you select *last* before you link. In edit mode, it is highlighted with a yellow outline.

Next, make sure that the vehicle script is in the parent prim. Your vehicle will not move otherwise.

Next, make sure that the vehicle script contains a sit target, which is this line that starts with "llSitTarget". That's the bit that defines where the avatar should be positioned when you sit.

Good luck with that.

_____________________

C U B E Y · T E R R A
planes · helicopters · blimps · balloons · skydiving · submarines
Available at Abbotts Aerodrome and XstreetSL.com

Simon Oz

Perpetual Noob

Join date: 26 Dec 2004

Posts: 61

02-04-2005 10:52

Anyone know of a way to change the root prim after selection, or at any time for that matter? My problem is I'll make a vehicle with a canopy or something else, and getting to what I want to be a root prim (the seat, well inside the cockpit) can be a pain.

Jillian Callahan

Rotary-winged Neko Girl

Join date: 24 Jun 2004

Posts: 3,766

02-04-2005 11:06

I usually grab all the prims for the vehicle with a swipe. Then, to get the seats in order I Alt-Click'n'hold a peice of nearby ground and swing my camera inside the slected prims so I get a clear view of the "seats". Then I Shift-Click each seat to de-select them, and then Shift-Click them in reverse order - last seat to be sat in, then second to the last, all the way to the pilot's seat which would also be the parent prim - to re select them. Then a link and a rename and a take into inventory. Build done

HTH HAND

_____________________

Basic Vehicle Help
Ferdinand Dougall Registered User Join date: 1 Feb 2005 Posts: 1	02-03-2005 19:21 I made vehicles but the problem is that when I do and I drive them (Space ships etc) I sit on a random par tof the surface, I asked my friend over and over and he wont tell me. I heard its something with the root object? I just want to be able to sit at a certain place every time.
billy Madison www.SLAuctions.com Join date: 6 Jun 2004 Posts: 2,175	02-03-2005 19:23 cough msg cristiano, he responded to some other thread in the forum about this and he is probably on right now cough _____________________ Prestige Fine men and womens clothing and jewelry, on SLExchange
Kats Kothari Disturbingly Cute Join date: 14 Aug 2003 Posts: 556	02-03-2005 21:35 From: Ferdinand Dougall I made vehicles but the problem is that when I do and I drive them (Space ships etc) I sit on a random par tof the surface, I asked my friend over and over and he wont tell me. I heard its something with the root object? I just want to be able to sit at a certain place every time. Welcome to SL Ferdinand. By root prim (or what can also be called the "parent" prim) your friend was referring to the main prim of the build, or the prim that you linked the other ones to. If you want the avatar to sit on a specific prim, you should link the remaining prims to that one. This can be done as well by linking to the main prim last. Hope that I explained it well (serves me right for posting so late). _____________________ Maker of many kawaii items: Dolls, huggable plushies, and purses with cute critters. Visit Kats' Kreatures for a better look and feel free to explore! =^_^= Kats' Kreatures Gualala (140,9) "The cat is cryptic, and close to strange things which men cannot see..." - H.P. Lovecraft
Huns Valen Don't PM me here. Join date: 3 May 2003 Posts: 2,749	02-04-2005 04:28 #1: Your root prim should be set up so that when it is at zero rotation, the craft is pointing due east and at the horizon. IF IT ISN'T, YOU ARE GOING TO HAVE A GIGANTIC HEADACHE TRYING TO MAKE IT MOVE PROPERLY. #2: Use llSitTarget() to make the avatar sit properly. #3: Here is a sample airplane script which illustrates llSitTarget(). #4: Read the last two sentences in my sig. _____________________ [ huns? \|\| words \|\| 1TBS KREW \|\| VHI Aircraft \|\| Whitepaper on Aircraft Physics ] Make yourself and your objects immune to llPushObject().
Cubey Terra Aircraft Builder Join date: 6 Sep 2003 Posts: 1,725	02-04-2005 08:41 Ferdinand, you should look into this first, as Huns suggests: From: Huns Valen #1: Your root prim should be set up so that when it is at zero rotation, the craft is pointing due east and at the horizon. IF IT ISN'T, YOU ARE GOING TO HAVE A GIGANTIC HEADACHE TRYING TO MAKE IT MOVE PROPERLY. The root prim (also called parent prim) is the prim that you select last before you link. In edit mode, it is highlighted with a yellow outline. Next, make sure that the vehicle script is in the parent prim. Your vehicle will not move otherwise. Next, make sure that the vehicle script contains a sit target, which is this line that starts with "llSitTarget". That's the bit that defines where the avatar should be positioned when you sit. Good luck with that. _____________________ C U B E Y · T E R R A planes · helicopters · blimps · balloons · skydiving · submarines Available at Abbotts Aerodrome and XstreetSL.com
Simon Oz Perpetual Noob Join date: 26 Dec 2004 Posts: 61	02-04-2005 10:52 Anyone know of a way to change the root prim after selection, or at any time for that matter? My problem is I'll make a vehicle with a canopy or something else, and getting to what I want to be a root prim (the seat, well inside the cockpit) can be a pain.
Jillian Callahan Rotary-winged Neko Girl Join date: 24 Jun 2004 Posts: 3,766	02-04-2005 11:06 I usually grab all the prims for the vehicle with a swipe. Then, to get the seats in order I Alt-Click'n'hold a peice of nearby ground and swing my camera inside the slected prims so I get a clear view of the "seats". Then I Shift-Click each seat to de-select them, and then Shift-Click them in reverse order - last seat to be sat in, then second to the last, all the way to the pilot's seat which would also be the parent prim - to re select them. Then a link and a rename and a take into inventory. Build done HTH HAND _____________________

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