fix to spiral trails

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2226 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
TimeServ 2006-04-20 22:21:42 +00:00
parent 81bd85742f
commit fbe51078b2

View file

@ -3003,20 +3003,24 @@ static void P_ParticleTrailDraw (vec3_t startpos, vec3_t end, part_type_t *ptype
case SM_SPIRAL:
{
float tsin, tcos;
float tright, tup;
tcos = cos(len*tdegree+sdegree)*ptype->areaspread;
tsin = sin(len*tdegree+sdegree)*ptype->areaspread;
tcos = cos(len*tdegree+sdegree);
tsin = sin(len*tdegree+sdegree);
p->org[0] = start[0] + right[0]*tcos + up[0]*tsin;
p->org[1] = start[1] + right[1]*tcos + up[1]*tsin;
p->org[2] = start[2] + right[2]*tcos + up[2]*tsin;
tright = tcos*ptype->areaspread;
tup = tsin*ptype->areaspread;
tcos = cos(len*tdegree)*ptype->offsetspread;
tsin = sin(len*tdegree)*ptype->offsetspread;
p->org[0] = start[0] + right[0]*tright + up[0]*tup;
p->org[1] = start[1] + right[1]*tright + up[1]*tup;
p->org[2] = start[2] + right[2]*tright + up[2]*tup;
p->vel[0] = vec[0]*veladd+crandom()*randvel + right[0]*tcos + up[0]*tsin;
p->vel[1] = vec[1]*veladd+crandom()*randvel + right[1]*tcos + up[1]*tsin;
p->vel[2] = vec[2]*veladd+crandom()*randvelvert + right[2]*tcos + up[2]*tsin;
tright = tcos*ptype->offsetspread;
tup = tsin*ptype->offsetspread;
p->vel[0] = vec[0]*veladd+crandom()*randvel + right[0]*tright + up[0]*tup;
p->vel[1] = vec[1]*veladd+crandom()*randvel + right[1]*tright + up[1]*tup;
p->vel[2] = vec[2]*veladd+crandom()*randvelvert + right[2]*tright + up[2]*tup;
}
break;
// TODO: directionalize SM_BALL/SM_CIRCLE/SM_DISTBALL