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fix to spiral trails

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2226 fc73d0e0-1445-4013-8a0c-d673dee63da5
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TimeServ 2006-04-20 22:21:42 +00:00
parent 81bd85742f
commit fbe51078b2
1 changed files with 14 additions and 10 deletions
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24
engine/client/r_part.c
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@ -3003,20 +3003,24 @@ static void P_ParticleTrailDraw (vec3_t startpos, vec3_t end, part_type_t *ptype
case SM_SPIRAL: case SM_SPIRAL:
{ {
float tsin, tcos; float tsin, tcos;
float tright, tup;
tcos = cos(len*tdegree+sdegree)*ptype->areaspread; tcos = cos(len*tdegree+sdegree);
tsin = sin(len*tdegree+sdegree)*ptype->areaspread; tsin = sin(len*tdegree+sdegree);
p->org[0] = start[0] + right[0]*tcos + up[0]*tsin; tright = tcos*ptype->areaspread;
p->org[1] = start[1] + right[1]*tcos + up[1]*tsin; tup = tsin*ptype->areaspread;
p->org[2] = start[2] + right[2]*tcos + up[2]*tsin;
tcos = cos(len*tdegree)*ptype->offsetspread; p->org[0] = start[0] + right[0]*tright + up[0]*tup;
tsin = sin(len*tdegree)*ptype->offsetspread; 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; tright = tcos*ptype->offsetspread;
p->vel[1] = vec[1]*veladd+crandom()*randvel + right[1]*tcos + up[1]*tsin; tup = tsin*ptype->offsetspread;
p->vel[2] = vec[2]*veladd+crandom()*randvelvert + right[2]*tcos + up[2]*tsin;
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; break;
// TODO: directionalize SM_BALL/SM_CIRCLE/SM_DISTBALL // TODO: directionalize SM_BALL/SM_CIRCLE/SM_DISTBALL