LlMakeSmoke

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/LSL

MakeSmoke

llMakeSmoke

	Deprecated
	(This function has been deprecated, please use llParticleSystem instead.)

Summary

Function: llMakeSmoke( integer particles, float scale, float vel, float lifetime, float arc, string texture, vector offset );

0.1	Forced Delay
10.0	Energy

Make smoke like particles

• integer	particles
• float	scale
• float	vel
• float	lifetime
• float	arc
• string	texture
• vector	offset

Caveats

• This function causes the script to sleep for 0.1 seconds.
• This function has been deprecated, please use llParticleSystem instead.

Examples

Deep Notes

Signature
function void llMakeSmoke( integer particles, float scale, float vel, float lifetime, float arc, string texture, vector offset );

Beginning in 1.14, the simulator will be using llParticleSystem to emulate legacy llMakeSmoke particles.

llMakeSmoke(integer particle_count,
          float particle_scale,
          float particle_speed,
          float particle_lifetime,
          float source_cone,
          string source_texture_id,
          vector local_offset);

fakeMakeSmoke(integer particle_count, float particle_scale, float particle_speed,
            float particle_lifetime, float source_cone, string source_texture_id,
            vector local_offset)
{
//       local_offset is ignored
 llParticleSystem([
     PSYS_PART_FLAGS,               PSYS_PART_INTERP_COLOR_MASK|PSYS_PART_INTERP_SCALE_MASK|PSYS_PART_EMISSIVE_MASK|PSYS_PART_WIND_MASK,
     PSYS_SRC_PATTERN,           PSYS_SRC_PATTERN_ANGLE_CONE,
     PSYS_PART_START_COLOR,       <1.0, 1.0, 1.0>,
     PSYS_PART_END_COLOR,           <1.0, 1.0, 1.0>,
     PSYS_PART_START_ALPHA,       1.00,
     PSYS_PART_END_ALPHA,           0.05,
     PSYS_PART_START_SCALE,       <particle_scale, particle_scale, 0.0>,
     PSYS_PART_END_SCALE,           <10, 10, 0.0>,       PSYS_PART_MAX_AGE,           3.0,
     PSYS_SRC_ACCEL,               <0.0, 0.0, 0.0>,
     PSYS_SRC_TEXTURE,           source_texture_id,
     PSYS_SRC_BURST_RATE,           10 / particle_count,
     PSYS_SRC_ANGLE_BEGIN,       0.0,
     PSYS_SRC_ANGLE_END,           source_cone * PI,
     PSYS_SRC_BURST_PART_COUNT,  1,
     PSYS_SRC_BURST_RADIUS,       0.0,
     PSYS_SRC_BURST_SPEED_MIN,   particle_speed,
     PSYS_SRC_BURST_SPEED_MAX,   particle_speed,
     PSYS_SRC_MAX_AGE,           particle_lifetime / 2,
     PSYS_SRC_OMEGA,               <0.0, 0.0, 0.0>
     ]);
}
 //    Known discrepencies:
//    1) The original llMakeSmoke has random particle lifetime, which cannot be
//       created in the current particle system via a single call
 //    2) The original llMakeSmoke has continual particle growth throughout its
//       lifetime, ending well past the 4m limit of the current system, on long lived
//       particles
 //    3) several values are not taken 'verbatim' in the original particle system
//       (velocity is not m/sec for instance, and number of particles seems to be
//       wildly off), these are approximated loosely in this simulation via basic
//       divisors, which may not work out the same in some scenarios
 //    4) There is no way to duplicate the offset from the old functions within the
//       new particle system