1 
  2 // Particle Script 0.3
  3 // Created by Ama Omega
  4 // 10-10-2003
  5 
  6 // Mask Flags - set to TRUE to enable
  7 integer glow = TRUE;            // Make the particles glow
  8 integer bounce = FALSE;          // Make particles bounce on Z plan of object
  9 integer interpColor = TRUE;     // Go from start to end color
 10 integer interpSize = FALSE;      // Go from start to end size
 11 integer wind = FALSE;           // Particles effected by wind
 12 integer followSource = FALSE;    // Particles follow the source
 13 integer followVel = FALSE;       // Particles turn to velocity direction
 14 
 15 // Choose a pattern from the following:
 16 // PSYS_SRC_PATTERN_EXPLODE
 17 // PSYS_SRC_PATTERN_DROP
 18 // PSYS_SRC_PATTERN_ANGLE_CONE_EMPTY
 19 // PSYS_SRC_PATTERN_ANGLE_CONE
 20 // PSYS_SRC_PATTERN_ANGLE
 21 integer pattern = PSYS_SRC_PATTERN_DROP;
 22 
 23 // Select a target for particles to go towards
 24 // "" for no target, "owner" will follow object owner 
 25 //    and "self" will target this object
 26 //    or put the key of an object for particles to go to
 27 key target = "";
 28 
 29 // Particle paramaters
 30 float age = 133;                  // Life of each particle
 31 float maxSpeed = .1;            // Max speed each particle is spit out at
 32 float minSpeed = .1;            // Min speed each particle is spit out at
 33 string texture = "0561aa38-6fde-1fdb-3b78-1bf07dd0a176";                 // Texture used for particles, default used if blank
 34 float startAlpha = 1.0;           // Start alpha (transparency) value
 35 float endAlpha = 0.0;           // End alpha (transparency) value
 36 vector startColor = <0,0,0>;    // Start color of particles <R,G,B>
 37 vector endColor = <0,0,0>;      // End color of particles <R,G,B> (if interpColor == TRUE)
 38 vector startSize = <.4,.2,.7>;     // Start size of particles 
 39 vector endSize = <.4,.4,.7>;       // End size of particles (if interpSize == TRUE)
 40 vector push = <0,0,0.0>;          // Force pushed on particles
 41 
 42 // System paramaters
 43 float rate = .5;            // How fast (rate) to emit particles
 44 float radius = .1;          // Radius to emit particles for BURST pattern
 45 integer count = 1;        // How many particles to emit per BURST 
 46 float outerAngle = 1.54;    // Outer angle for all ANGLE patterns
 47 float innerAngle = 1.55;    // Inner angle for all ANGLE patterns
 48 vector omega = <0,0,10>;    // Rotation of ANGLE patterns around the source
 49 float life = 0;             // Life in seconds for the system to make particles
 50 
 51 // Script variables
 52 integer flags;
 53 
 54 updateParticles()
 55 {
 56     flags = 0;
 57     if(target == "owner") target = llGetOwner();
 58     if(target == "self") target = llGetKey();
 59     if(glow) flags = flags | PSYS_PART_EMISSIVE_MASK;
 60     if(bounce) flags = flags | PSYS_PART_BOUNCE_MASK;
 61     if(interpColor) flags = flags | PSYS_PART_INTERP_COLOR_MASK;
 62     if(interpSize) flags = flags | PSYS_PART_INTERP_SCALE_MASK;
 63     if(wind) flags = flags | PSYS_PART_WIND_MASK;
 64     if(followSource) flags = flags | PSYS_PART_FOLLOW_SRC_MASK;
 65     if(followVel) flags = flags | PSYS_PART_FOLLOW_VELOCITY_MASK;
 66     if(target != "") flags = flags | PSYS_PART_TARGET_POS_MASK;
 67 
 68     llParticleSystem([  PSYS_PART_MAX_AGE,age,
 69                         PSYS_PART_FLAGS,flags,
 70                         PSYS_PART_START_COLOR, startColor,
 71                         PSYS_PART_END_COLOR, endColor,
 72                         PSYS_PART_START_SCALE,startSize,
 73                         PSYS_PART_END_SCALE,endSize, 
 74                         PSYS_SRC_PATTERN, pattern,
 75                         PSYS_SRC_BURST_RATE,rate,
 76                         PSYS_SRC_ACCEL, push,
 77                         PSYS_SRC_BURST_PART_COUNT,count,
 78                         PSYS_SRC_BURST_RADIUS,radius,
 79                         PSYS_SRC_BURST_SPEED_MIN,minSpeed,
 80                         PSYS_SRC_BURST_SPEED_MAX,maxSpeed,
 81                         PSYS_SRC_TARGET_KEY,target,
 82                         PSYS_SRC_INNERANGLE,innerAngle, 
 83                         PSYS_SRC_OUTERANGLE,outerAngle,
 84                         PSYS_SRC_OMEGA, omega,
 85                         PSYS_SRC_MAX_AGE, life,
 86                         PSYS_SRC_TEXTURE, texture,
 87                         PSYS_PART_START_ALPHA, startAlpha,
 88                         PSYS_PART_END_ALPHA, endAlpha
 89                             ]);
 90 }
 91 
 92 default
 93 {
 94     state_entry()
 95     {
 96         updateParticles();
 97         llSetTimerEvent(.3);
 98     }
 99 
100     timer()
101     {
102         string anim = llGetAnimation(llGetOwner());
103         if((anim == "Walking") || (anim == "Running") || (anim == "Turning Left") || (anim == "Turning Right") || (anim == "CrouchWalking"))
104         {
105             updateParticles();
106         }
107         else
108         {
109             llParticleSystem([]);
110         }
111     }
112 }// END //