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Age particle trails based on position in trail, during creation.

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Ragnvald Maartmann-Moe IV 2001-11-02 20:47:47 +00:00
parent d7e5f88ee3
commit 3958b4a4b3
1 changed files with 38 additions and 17 deletions
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55
libs/video/renderer/gl/gl_dyn_part.c
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@ -405,7 +405,7 @@ R_TeleportSplash (vec3_t org)
void
R_RocketTrail (entity_t *ent)
{
float dist, len, pscale, pscalenext;
float dist, len, origlen, percent, pscale, pscalenext;
vec3_t subtract, vec;
if (numparticles >= r_maxparticles)
@ -415,6 +415,8 @@ R_RocketTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
pscale = 1.5 + qfrandom (1.5);
while (len > 0) {
@ -427,11 +429,13 @@ R_RocketTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
// Misty-chan's Easter Egg: change color to (rand () & 255)
particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
pscale, vec3_origin, r_realtime + 2.0,
12 + (rand () & 3), 128 + (rand () & 31));
pscale + percent * 4, vec3_origin,
r_realtime +2.0 - percent, 12 + (rand () & 3),
128 + (rand () & 31) - percent * 100);
pscale = pscalenext;
}
}
@ -439,7 +443,7 @@ R_RocketTrail (entity_t *ent)
void
R_GrenadeTrail (entity_t *ent)
{
float dist, len, pscale, pscalenext;
float dist, len, origlen, percent, pscale, pscalenext;
vec3_t subtract, vec;
if (numparticles >= r_maxparticles)
@ -447,6 +451,7 @@ R_GrenadeTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
pscale = 6.0 + qfrandom (7.0);
while (len > 0) {
@ -459,11 +464,13 @@ R_GrenadeTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
// Misty-chan's Easter Egg: change color to (rand () & 255)
particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
pscale, vec3_origin, r_realtime + 2.0, (rand () & 3),
128 + (rand () & 31));
pscale + percent * 4, vec3_origin,
r_realtime + 2.0 - percent, (rand () & 3),
128 + (rand () & 31) - percent * 100);
pscale = pscalenext;
}
}
@ -471,7 +478,7 @@ R_GrenadeTrail (entity_t *ent)
void
R_BloodTrail (entity_t *ent)
{
float dist, len, pscale, pscalenext;
float dist, len, origlen, percent, pscale, pscalenext;
int j;
vec3_t subtract, vec, porg, pvel;
@ -480,6 +487,7 @@ R_BloodTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
pscale = 5.0 + qfrandom (10.0);
while (len > 0) {
@ -500,9 +508,11 @@ R_BloodTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
pvel[2] -= percent * 40;
particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
r_realtime + 2.0, 68 + (rand () & 3), 255);
r_realtime + 2.0 - percent, 68 + (rand () & 3), 255);
pscale = pscalenext;
}
}
@ -510,7 +520,7 @@ R_BloodTrail (entity_t *ent)
void
R_SlightBloodTrail (entity_t *ent)
{
float dist, len, pscale, pscalenext;
float dist, len, origlen, percent, pscale, pscalenext;
int j;
vec3_t subtract, vec, porg, pvel;
@ -519,6 +529,7 @@ R_SlightBloodTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
pscale = 1.5 + qfrandom (7.5);
while (len > 0) {
@ -539,9 +550,11 @@ R_SlightBloodTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
pvel[2] -= percent * 40;
particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
r_realtime + 1.5, 68 + (rand () & 3), 192);
r_realtime + 1.5 - percent, 68 + (rand () & 3), 192);
pscale = pscalenext;
}
}
@ -549,7 +562,7 @@ R_SlightBloodTrail (entity_t *ent)
void
R_GreenTrail (entity_t *ent)
{
float dist, len;
float dist, len, origlen, percent;
static int tracercount;
vec3_t subtract, vec, pvel;
@ -558,6 +571,7 @@ R_GreenTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
dist = 3.0;
while (len > 0) {
@ -577,17 +591,19 @@ R_GreenTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
particle_new (pt_fire, part_tex_smoke, ent->old_origin,
2.0 + qfrandom (1.0), pvel, r_realtime + 0.5,
52 + (rand () & 4), 255);
2.0 + qfrandom (1.0) - percent * 2, pvel,
r_realtime + 0.5 - percent, 52 + (rand () & 4),
255 - percent * 32);
}
}
void
R_FlameTrail (entity_t *ent)
{
float dist, len;
float dist, len, origlen, percent;
static int tracercount;
vec3_t subtract, vec, pvel;
@ -596,6 +612,7 @@ R_FlameTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
dist = 3.0;
while (len > 0) {
@ -615,16 +632,18 @@ R_FlameTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
particle_new (pt_fire, part_tex_smoke, ent->old_origin,
2.0 + qfrandom (1.0), pvel, r_realtime + 0.5, 234, 255);
2.0 + qfrandom (1.0) - percent * 2, pvel,
r_realtime + 0.5 - percent, 234, 255 - percent * 32);
}
}
void
R_VoorTrail (entity_t *ent)
{
float dist, len;
float dist, len, origlen, percent;
int j;
vec3_t subtract, vec, porg;
@ -633,6 +652,7 @@ R_VoorTrail (entity_t *ent)
VectorSubtract (ent->origin, ent->old_origin, vec);
len = VectorNormalize (vec);
origlen = r_frametime / len;
dist = 3.0;
while (len > 0) {
@ -645,9 +665,10 @@ R_VoorTrail (entity_t *ent)
VectorScale (vec, min(dist, len), subtract);
VectorAdd (ent->old_origin, subtract, ent->old_origin);
len -= dist;
percent = len * origlen;
particle_new (pt_static, part_tex_dot, porg, 1.0 + qfrandom (1.0),
vec3_origin, r_realtime + 0.3,
vec3_origin, r_realtime + 0.3 - percent,
9 * 16 + 8 + (rand () & 3), 255);
}
}