You'll want to link the beam to an entity (the character that fired it,
or possibly even the weapon which fired it). Probably the best way to do
this is something like:
[in your beam class declaration]
CHandle<CBaseEntity> m_hLinkedToEntity;
[in your beam spawn function]
pBeam->hLinkedToEntity = pPlayerWhoFiredMe;
[in your beam update function e.g. ItemBusyFrame]
if( hLinkedToEntity != NULL )
{
my_end_point = hLinkedToEntity->Weapon_ShootPosition();
}
So if the beam's linked to an entity, it will update the beam's position
every frame. Provided your class is defined on the client and the
server, this will update both.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: 15 August 2005 10:16
To: [email protected]
Subject: [hlcoders] Beams that move with you
Right. I'm still working on this beam weapon, and I've just decided that
my beam code isn't good enough. :P
Currently, I'm setting up a BeamInfo_t structure, and then displaying it
using beams->CreateBeamEntPoint( beamInfo ), where "beams" is the
statically exposed IViewRenderBeams object.
This is fine, until you come to move; the end point of the beam stays
anchored to one point. It was late at night when I encountered this, so
I
just hackhacked it to update the end point of the beam with a freshly
calculated vector based on the player's eye angles every frame.
My problem is that this is OK for beams that switch off quickly, but for
continuous-fire beams (a la Star Trek phaser), it lags. Badly.
Is there a beam creation function similar to CreateBeamEntPoint that
would
take, for example, a start point, and a vector, and make the beam always
point in that direction, transparently? Or, have I got it all wrong, and
should I be using a CBeam?
:S
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