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// renderparticles.cpp
#include "cube.h"
const int MAXPARTICLES = 10500;
const int NUMPARTCUTOFF = 20;
struct particle {
vec o, d;
OFVector3D o, d;
int fade, type;
int millis;
particle *next;
};
particle particles[MAXPARTICLES], *parlist = NULL, *parempty = NULL;
bool parinit = false;
VARP(maxparticles, 100, 2000, MAXPARTICLES - 500);
void
newparticle(vec &o, vec &d, int fade, int type)
newparticle(OFVector3D &o, OFVector3D &d, int fade, int type)
{
if (!parinit) {
loopi(MAXPARTICLES)
{
particles[i].next = parempty;
parempty = &particles[i];
};
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parlist = p;
};
};
VAR(demotracking, 0, 0, 1);
VARP(particlesize, 20, 100, 500);
vec right, up;
setorient(vec &r, vec &u)
setorient(OFVector3D &r, OFVector3D &u)
{
right = r;
up = u;
};
vec nom = {0, 0, 0};
OFVector3D nom = OFMakeVector3D(0, 0, 0);
newparticle(player1->o, nom, 100000000, 8);
};
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*pp = p->next;
p->next = parempty;
parempty = p;
} else {
if (pt->gr)
p->o.z -= ((lastmillis - p->millis) / 3.0f) *
curtime / (pt->gr * 10000);
vec a = p->d;
OFVector3D a = p->d;
vmul(a, time);
vdiv(a, 20000.0f);
vadd(p->o, a);
pp = &p->next;
};
};
particle_splash(int type, int num, int fade, vec &p)
particle_splash(int type, int num, int fade, OFVector3D &p)
{
loopi(num)
{
const int radius = type == 5 ? 50 : 150;
int x, y, z;
do {
x = rnd(radius * 2) - radius;
y = rnd(radius * 2) - radius;
z = rnd(radius * 2) - radius;
} while (x * x + y * y + z * z > radius * radius);
vec d = {(float)x, (float)y, (float)z};
OFVector3D d = OFMakeVector3D(x, y, z);
newparticle(p, d, rnd(fade * 3), type);
};
};
particle_trail(int type, int fade, vec &s, vec &e)
particle_trail(int type, int fade, OFVector3D &s, OFVector3D &e)
{
vdist(d, v, s, e);
vdiv(v, d * 2 + 0.1f);
vec p = s;
OFVector3D p = s;
loopi((int)d * 2)
{
vadd(p, v);
vec d = {
float(rnd(11) - 5), float(rnd(11) - 5), float(rnd(11) - 5)};
OFVector3D d =
OFMakeVector3D(rnd(11) - 5, rnd(11) - 5, rnd(11) - 5);
newparticle(p, d, rnd(fade) + fade, type);
};
};
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