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Correct the direction of pt_fire particles.

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sub_grav() was accelerating the particle in the wrong direction. Down being
+ve gravity caused a bit of confusion (though it was a c&p error).
This commit is contained in:
Bill Currie 2012-08-10 13:52:29 +09:00
parent 31dead3dcd
commit 5a5b31bae4
1 changed files with 17 additions and 17 deletions
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34
libs/video/renderer/r_part.c
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@ -93,13 +93,13 @@ static int ramp3[8] = { 0x6d, 0x6b, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01 };
static inline float
grav (void)
{
return vr_data.frametime * vr_data.gravity * 0.05;
return -vr_data.frametime * vr_data.gravity * 0.05;
}
static inline float
fast_grav (void)
{
return vr_data.frametime * vr_data.gravity;
return -vr_data.frametime * vr_data.gravity;
}
static inline void
@ -111,7 +111,7 @@ add_vel (particle_t *part)
static inline void
add_grav (particle_t *part)
{
part->vel[2] -= grav ();
part->vel[2] += grav ();
}
static inline void
@ -123,7 +123,7 @@ sub_grav (particle_t *part)
static inline void
add_fastgrav (particle_t *part)
{
part->vel[2] -= fast_grav ();
part->vel[2] += fast_grav ();
}
static inline qboolean
@ -272,22 +272,22 @@ part_phys_flame (particle_t *part)
}
static pt_phys_func part_phys[] = {
part_phys_static,
part_phys_grav,
part_phys_static, // pt_static
part_phys_grav, // pt_grav
part_phys_grav, // pt_slowgrav
part_phys_fire,
part_phys_explode,
part_phys_explode2,
part_phys_blob,
part_phys_blob2,
part_phys_smoke,
part_phys_smokecloud,
part_phys_bloodcloud,
part_phys_fire, // pt_fire
part_phys_explode, // pt_explode
part_phys_explode2, // pt_explode2
part_phys_blob, // pt_blob
part_phys_blob2, // pt_blob2
part_phys_smoke, // pt_smoke
part_phys_smokecloud, // pt_smokecloud
part_phys_bloodcloud, // pt_bloodcloud
part_phys_static, // pt_fadespark
part_phys_static, // pt_fadespark2
part_phys_fallfade,
part_phys_fallfadespark,
part_phys_flame,
part_phys_fallfade, // pt_fallfade
part_phys_fallfadespark,// pt_fallfadespark
part_phys_flame, // pt_flame
};
pt_phys_func