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Made spawnmode circle face the correct direction (z is no longer flat) - this is only on trails. 

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1890 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2006-01-26 04:04:04 +00:00
parent 1eca1491e0
commit a5c48434df
1 changed files with 26 additions and 3 deletions
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27
engine/client/r_part.c
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@ -2807,6 +2807,10 @@ static void P_ParticleTrailDraw (vec3_t startpos, vec3_t end, part_type_t *ptype
if (ptype->spawnparam1)
tdegree = 2*M_PI/ptype->spawnparam1; /* distance per rotation inversed */
}
else if (ptype->spawnmode == SM_CIRCLE)
{
VectorVectors(vec, right, up);
}
// store last stop here for lack of a better solution besides vectors
if (ts)
@ -2988,12 +2992,10 @@ static void P_ParticleTrailDraw (vec3_t startpos, vec3_t end, part_type_t *ptype
break;
// TODO: directionalize SM_BALL/SM_CIRCLE/SM_DISTBALL
case SM_BALL:
case SM_CIRCLE:
p->org[0] = crandom();
p->org[1] = crandom();
p->org[2] = crandom();
VectorNormalize(p->org);
if (ptype->spawnmode != SM_CIRCLE)
VectorScale(p->org, frandom(), p->org);
p->vel[0] = vec[0]*veladd+crandom()*randvel + p->org[0]*ptype->offsetspread;
@ -3004,6 +3006,27 @@ static void P_ParticleTrailDraw (vec3_t startpos, vec3_t end, part_type_t *ptype
p->org[1] = p->org[1]*ptype->areaspread + start[1];
p->org[2] = p->org[2]*ptype->areaspreadvert + start[2];
break;
case SM_CIRCLE:
{
float tsin, tcos;
tcos = cos(len*tdegree)*ptype->areaspread;
tsin = sin(len*tdegree)*ptype->areaspread;
p->org[0] = start[0] + right[0]*tcos + up[0]*tsin + vstep[0] * (len*tdegree);
p->org[1] = start[1] + right[1]*tcos + up[1]*tsin + vstep[1] * (len*tdegree);
p->org[2] = start[2] + right[2]*tcos + up[2]*tsin + vstep[2] * (len*tdegree)*50;
tcos = cos(len*tdegree)*ptype->offsetspread;
tsin = sin(len*tdegree)*ptype->offsetspread;
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;
}
break;
case SM_DISTBALL:
{
float rdist;