Targeting Particles

Hi

I am using a couple of free scripts from The Particle Laboratory to shoot particles at an avatar named in chat, it works great but the particles go straight for the avatars crotch, which, although amusing, is a little weird for my particular use, is there a way to make the particles hit the avatars chest area?

According to the caveats at http://wiki.secondlife.com/wiki/LlParticleSystem/

What you want can be done, but it involves a fair bit of work...

unfortunately no.. it goes for object center and avatar mass center is... well...

you can make the particles go large to avoid the anatomic target look?

Ayup.

You'd likely want to use llSensor to find the avatar, then llDetectedPos to get their position and then move a target prim with a known UUID to llDetectedPos + <0,0,x> with x being your desired vertical offset from the pelvis. Then you can fire the particles at the target prim.

Another option is to just fire at the prim always and tell the prim what avatar name to constantly follow until told to come back to "home". That way the prim does the work following the AV and offsetting itself and the particle generator just does its job firing particles.

Thanks for your replies everyone, I've decided to just shoot everyone in the balls! as it does have some comedy value, and the 'move a prim' solution is perhaps a little over the top for this little novelty item.

Jeredin - just wondering where you are from? cos we say 'Ayup' a lot, here in Nottingham!

Born in CA, raised in NV... basically a west coaster from the US... I got "ayup" from reading too many Stephen King books where the characters have a Maine accent I think. Either that or from my grandpa hehe.

A biggish particle with an offset texture could do the trick. It will still look weird at first until the texture loads :/

'Eyup, me duck! (bet they don't say that in Maine).

In addition to the methods discussed (and I was going to suggest using a follower prim as the target -- I often do that), you might try angling the emitter. I've just been playing the the particle lab's "beam" template and this, with some success:

vector lookat; 
key target;
default
{
    state_entry()
    {
        llSetRot( llRotBetween( < 0.0, 0.0, 0.1 >, llVecNorm(lookat-llGetPos())));
    }
    
    touch_start(integer n){
        
       target = llDetectedKey(0);
       lookat = llList2Vector(llGetObjectDetails (target,[OBJECT_POS]),0);
       lookat.z+=0.5;
       llSetRot( llRotBetween( < 0.0, 0.0, 0.1 >, llVecNorm(lookat-llGetPos())));
       llSetTimerEvent(0.5);
    }

    timer(){
        
        lookat = llList2Vector(llGetObjectDetails (target,[OBJECT_POS]),0);
       lookat.z+=0.5;
       llSetRot( llRotBetween( < 0.0, 0.0, 0.1 >, llVecNorm(lookat-llGetPos())));
    }
        
}

you may find this old thread useful (or not..) it has an idea or three that should theoretically work, although none are detailed out in code.


ayup is fairly popular in several areas of the southc eastern US too.

Ahh I liked your suggestion in that thread.

Basically a particle cannon aimed where you want the particles to go, firing a particle with a known speed and known life, terminating coinciding with distance to target. Elegant...

and a PITA to code... =/ (would you believe math isn't my strong suite?)