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archiv:opensim:downloads:scripts:fire_particle [2024/01/24 16:39] – Externe Bearbeitung 127.0.0.1archiv:opensim:downloads:scripts:fire_particle [Unbekanntes Datum] (aktuell) – Externe Bearbeitung (Unbekanntes Datum) 127.0.0.1
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 +===== Fire Particle =====
 +
 +<code>
 +//// "Fire" PARTICLE TEMPLATE v1 - by Jopsy Pendragon - 4/8/2008
 +//// You are free to use this script as you please, so long as you include this line:
 +//** The original 'free' version of this script came from THE PARTICLE LABORATORY. **//
 +
 +// SETUP:  Drop one optional particle texture and this script into a prim.
 +// Particles should start automatically. (Reset) the script if you insert a
 +// particle texture later on.  Add one or more CONTROLLER TEMPLATES to any
 +// prims in the linked object to control when particles turn ON and OFF.
 +
 +// Customize the particle_parameter values below to create your unique 
 +// particle effect and click SAVE.  Values are explained along with their
 +// min/max and default values further down in this script.
 +
 +
 +string  CONTROLLER_ID = "A"; // See comments at end regarding CONTROLLERS.
 +integer AUTO_START = TRUE;   // Optionally FALSE only if using CONTROLLERS.
 +
 +list particle_parameters=[]; // stores your custom particle effect, defined below.
 +list target_parameters=[]; // remembers targets found using TARGET TEMPLATE scripts.
 +
 +default {
 +    state_entry() {
 +        particle_parameters = [  // start of particle settings
 +           // Texture Parameters:
 +           PSYS_SRC_TEXTURE, llGetInventoryName(INVENTORY_TEXTURE, 0), 
 +           PSYS_PART_START_SCALE, <.4,.4,FALSE>,  PSYS_PART_END_SCALE, <.5,.5, FALSE>, 
 +           PSYS_PART_START_COLOR, <1,1,1>,    PSYS_PART_END_COLOR, <.4,.1,0>, 
 +           PSYS_PART_START_ALPHA, (float).8,            PSYS_PART_END_ALPHA, (float).0,     
 +         
 +           // Production Parameters:
 +           PSYS_SRC_BURST_PART_COUNT, (integer)1, 
 +           PSYS_SRC_BURST_RATE, (float) 0.0,  
 +           PSYS_PART_MAX_AGE, (float)1.5, 
 +           PSYS_SRC_MAX_AGE,(float) 0.0,  
 +        
 +           // Placement Parameters:
 +           PSYS_SRC_PATTERN, (integer)2, // 1=DROP, 2=EXPLODE, 4=ANGLE, 8=ANGLE_CONE,
 +           
 +           // Placement Parameters (for any non-DROP pattern):
 +           PSYS_SRC_BURST_SPEED_MIN, (float).1,   PSYS_SRC_BURST_SPEED_MAX, (float).3, 
 +        // PSYS_SRC_BURST_RADIUS, 0.0,
 +        
 +           // Placement Parameters (only for ANGLE & CONE patterns):
 +           PSYS_SRC_ANGLE_BEGIN, (float) .03*PI,     PSYS_SRC_ANGLE_END, (float)0.00*PI,  
 +        // PSYS_SRC_OMEGA, <0,0,0>, 
 +        
 +           // After-Effect & Influence Parameters:
 +           PSYS_SRC_ACCEL, <0.0,0.0,1.5>,  
 +        // PSYS_SRC_TARGET_KEY,      llGetLinkKey(llGetLinkNum() + 1),       
 +              
 +           PSYS_PART_FLAGS, (integer)( 0         // Texture Options:     
 +                                | PSYS_PART_INTERP_COLOR_MASK   
 +                                | PSYS_PART_INTERP_SCALE_MASK   
 +                                | PSYS_PART_EMISSIVE_MASK   
 +                                | PSYS_PART_FOLLOW_VELOCITY_MASK
 +                                                  // After-effect & Influence Options:
 +                                | PSYS_PART_WIND_MASK            
 +                                | PSYS_PART_BOUNCE_MASK          
 +                             // | PSYS_PART_FOLLOW_SRC_MASK     
 +                             // | PSYS_PART_TARGET_POS_MASK     
 +                             // | PSYS_PART_TARGET_LINEAR_MASK   
 +                            ) 
 +            //end of particle settings                     
 +        ];
 +        
 +        if ( AUTO_START ) llParticleSystem( particle_parameters );
 +        
 +    }
 +    
 +    link_message( integer sibling, integer num, string mesg, key target_key ) {
 +        if ( mesg != CONTROLLER_ID ) { // this message isn't for me.  Bail out.
 +            return;
 +        } else if ( num == 0 ) { // Message says to turn particles OFF:
 +            llParticleSystem( [ ] );
 +        } else if ( num == 1 ) { // Message says to turn particles ON:
 +            llParticleSystem( particle_parameters + target_parameters );
 +        } else if ( num == 2 ) { // Turn on, and remember and use the key sent us as a target:
 +            target_parameters = [ PSYS_SRC_TARGET_KEY, target_key ];
 +            llParticleSystem( particle_parameters + target_parameters );
 +        } else { // bad instruction number
 +            // do nothing.
 +        }            
 +    }
 +        
 +}
 +
 +
 +//============================= About Parameters =============================
 +// There are 22-ish NAMED attributes that affect a particle display.
 +// To customize a display you give each a VALUE.
 +// For example: PSYS_PART_START_COLOR is a named attribute,
 +// and <1.0, 0.5, 0.0> is a color VALUE (orange, in this case).
 +// 
 +// As long as your 'names' and 'values' are paired up properly, they can
 +// be in any order!  Any you omit a pair, it reverts to a default value.
 +
 +//============================= Texture Parameters =============================
 +//
 +// TEXTURE, can be an "Asset UUID" key copied from a texture 
 +//          that you have full permissions to, or the name of
 +//          a texture in the prim's inventory.
 +//
 +// SCALE, (size) 0.0 to 4.0 meters wide, by 0.0 to 4.0 meters tall. (default 1x1)
 +//          Textures are FLAT, so the 'z' part of the vector is ignored.
 +//          Values smaller than 0.04x0.04 may not get rendered at all.
 +//          Tiny particles vanish if the viewer is not near them.
 +//
 +// BEGIN_SCALE sets particle start size.  
 +// END_SCALE (end size) is ignored, if the INTERP_SCALE_MASK option is disabled.
 +//
 +// COLOR, < RED, GREEN, BLUE > from <0.00,0.00,0.00> (black) to <1.00,1.00,1.00> (white/default)
 +// ALPHA, 1.0 = 100% visible(default), 0.0 = invisible.  Less than 0.1 might not get seen.
 +// START_COLOR and START_ALPHA set the color and transparency of newly created particles. 
 +// END_COLOR and END_ALPHA are ignored, if the INTERP_COLOR_MASK option is disabled.
 +         
 +         
 +//============================= Production Parameters =============================
 +//
 +// BURST_PART_COUNT: quantity of particles per burst, 1 to 4096 (default 1), 
 +//
 +// BURST_RATE: seconds to delay between particle bursts. 0.0 to 30.0 (default 0.1)
 +//
 +// PART_MAX_AGE: particle lifespan in seconds, 0.00 to 30.0 (default=10.0)
 +//               PART_MAX_AGE less than 0.5 might not be visible.
 +//
 +// The default total number of particles that can be seen is 4096, if one or more 
 +// emitters try to create more than that, many will not be seen, and it may cause
 +// viewer lag.  Use as few particles as you can for your effect:
 +// AGE/RATE * COUNT will tell you approximately how many particles your emitter creates.
 +//
 +// SRC_MAX_AGE: emitter auto shut-off timer. 1.0 to 60.0 seconds. 0.0 = never stop. (default)
 +
 +
 +//============================= Placement Parameters =============================
 +//                
 +// PATTERN:   
 +//      DROP, ignores all other placement settings.
 +//      EXPLODE, spray particles in all directions
 +//      ANGLE, sprays a flat "fan" shape defined by ANGLE_BEGIN and END values
 +//      CONE, sprays "ring" or "cone" shapes defined by ANGLE_BEGIN and END values
 +//
 +// RADIUS:  0.0 to 50.0?  distance from emitter to create new particles
 +//      (RADIUS is disabled with DROP pattern and the FOLLOW_SRC & TARGET_LINEAR options)
 +//        
 +// SPEED: 0.00 to 50.0?  Sets min/max starting velocities for non-drop patterns. (default: 1.0)
 +//        
 +// ANGLE_BEGIN & END:  0.00*PI (up) to 1.00*PI (down),  (Only for ANGLE & CONE patterns)
 +//       (Values work much like the Sphere-prim's DIMPLE attributes.) (defaults: 0.0)
 +//
 +// OMEGA: <x,y,z> Sets how much to rotate angle/cone spray direction after
 +//                every burst. 0.0 to PI?  (default: <0,0,0>)
 +
 +//======================== After-Effects & Influence Parameters ================
 +//
 +// ACCEL, x,y,z 0.0 to 50.0?  sets a constant force, (affects all patterns)
 +//          Causes particles to drift up/down or in a compass direction.
 +//          Use ACCEL to create the illusion of (anti-)gravity or a directional wind.
 +//          (ineffective with TARGET_LINEAR option)
 +//       
 +// TARGET_KEY,  "key", (requires the TARGET option be enabled).  
 +//       "key" can be a variety of many different things:
 +         // llGetOwner()
 +         // llGetKey() target self 
 +         // llGetLinkKey(1) target parent prim
 +         // llGetLinkKey(llGetLinkNum() + 1) target next prim in link set 
 +         //
 +         // WARNING: New copies of objects get new keys, you can't simply paste
 +         // a prim's key into your script and expect it to always work.  Visit
 +         // the Particle Laboratory's section on TARGETS for a variety of ways
 +         // to dynamically find your target's key. There are different 'best ways'
 +         // depending on if your target is linked to your emitter or not.
 +
 +
 +//============================= About Options =============================
 +//    
 +// Each option may be ON/ENABLED (no leading // )
 +// or OFF/DISABLED (by putting a // in front of it.)
 +// Options are combined together in a special way, (using the | symbol).
 +// This creates one single Parameter for PSYS_PART_FLAGS.
 +
 +              
 +//============================= Texture Options =============================
 +//
 +// EMISSIVE: identical to "full bright" setting on prims     
 +//   
 +// FOLLOW_VELOCITY: particle texture 'tilts' towards the direction it's moving
 +//
 +// INTERP_COLOR: causes particle COLOR and ALPHA(transparency) to change over it's lifespan
 +//
 +// INTERP_SCALE: causes particle SCALE(size) to change over it's lifespan
 +
 +
 +//======================== After-Effects & Influences Options ================
 +//
 +// BOUNCE:  particles bounce up from the z-altitude of emitter, and cannot fall below it.
 +//
 +// WIND: the sim's wind will push particles around
 +//
 +// FOLLOW_SRC: makes particles move (but not rotate) if their emitter moves, (disables RADIUS)
 +//
 +// TARGET_POS: causes particles to arrive at a some target at end of of their lifespan.
 +//
 +// TARGET_LINEAR: forces particles to form into an even line from emitter to target
 +//                and forces a DROP-like pattern and disables effects of WIND and ACCEL
 +
 +
 +
 +//========================================================================
 +//======================== USING CONTROL TEMPLATES =======================
 +//
 +// Want to control when your particles turn ON and OFF?   You can!
 +// 
 +// Drop one (or more) of the CONTROL TEMPLATES from the particle laboratory
 +// into your object containing this script.  That's it!
 +
 +// Your controls should be effective immediately.  (Some controllers can be
 +// adjusted and tuned, open them and read the USAGE notes to see.)
 +//
 +// One control template can control several particle templates in the
 +// same object.   (keep in mind that each prim can only have ONE
 +// particle effect active at a time).
 +//
 +// The 'particle_effect_name' value must be the same in both the control
 +// and particle template to work.  You can change that value and have
 +// a controller for one effect, and a different controller for a different
 +// effect in the same object.
 +//
 +
 +
 +//======================================== END ===============================default
 +</code>
  

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