1 // CATEGORY:Particles
  2 // DESCRIPTION:Red Wand
  3 // ARCHIVED BY:Ferd Frederix
  4 
  5 //////////////////////////////////////////////////////////////////
  6 //////////////////////////////////////////////////////////////////
  7 //// eltee Statosky's Particle Creation Engine 1.0
  8 //// 01/09/2004
  9 //// *PUBLIC DOMAIN*
 10 //// Free to use
 11 //// Free to copy
 12 //// Free to poke at
 13 //// Free to hide in stuff you sell
 14 //// Just please leave this header intact
 15 //////////////////////////////////////////////////////////////////
 16 //////////////////////////////////////////////////////////////////
 17 
 18 integer effectFlags=0;
 19 integer running=TRUE;
 20 
 21 
 22 ///////////////////////////////////////////////////////
 23 // Color Secelection Variables
 24 ///////////////////////////////////////////////////////
 25 // Interpolate between startColor and endColor
 26 integer colorInterpolation  = TRUE;
 27 // Starting color for each particle 
 28 vector  startColor          = <1, .7, 0.>;
 29 // Ending color for each particle
 30 vector  endColor            = <1, .7, 0>;
 31 // Starting Transparency for each particle (1.0 is solid)
 32 float   startAlpha          = 1.0;
 33 // Ending Transparency for each particle (0.0 is invisible)
 34 float   endAlpha            = 0.0;
 35 // Enables Absolute color (true) ambient lighting (false)
 36 integer glowEffect          = TRUE;
 37 
 38 
 39 ///////////////////////////////////////////////////////
 40 // Size & Shape Selection Variables
 41 ///////////////////////////////////////////////////////
 42 // Interpolate between startSize and endSize
 43 integer sizeInterpolation   = TRUE;
 44 // Starting size of each particle
 45 vector  startSize           = <0.1, 0.1, 0.0>;
 46 // Ending size of each particle
 47 vector  endSize             = <0.1, 0.1, 0.0>;
 48 // Turns particles to face their movement direction
 49 integer followVelocity      = TRUE;
 50 // Texture the particles will use ("" for default)
 51 string  texture             = "";
 52 
 53 
 54 ///////////////////////////////////////////////////////
 55 // Timing & Creation Variables Variables
 56 ///////////////////////////////////////////////////////
 57 // Lifetime of one particle (seconds)
 58 float   particleLife        = 3.0;
 59 // Lifetime of the system 0.0 for no time out (seconds)
 60 float   SystemLife          = 0.0;
 61 // Number of seconds between particle emissions
 62 float   emissionRate        = 0.001;
 63 // Number of particles to releast on each emission
 64 integer partPerEmission     = 5;
 65 
 66 
 67 ///////////////////////////////////////////////////////
 68 // Angular Variables
 69 ///////////////////////////////////////////////////////
 70 // The radius used to spawn angular particle patterns
 71 float   radius              = .5;
 72 // Inside angle for angular particle patterns
 73 float   innerAngle          = 1;
 74 // Outside angle for angular particle patterns
 75 float   outerAngle          = 90;
 76 // Rotational potential of the inner/outer angle
 77 vector  omega               = <1.0, 1.0, 0.0>;
 78 
 79 
 80 ///////////////////////////////////////////////////////
 81 // Movement & Speed Variables
 82 ///////////////////////////////////////////////////////
 83 // The minimum speed a particle will be moving on creation
 84 float   minSpeed            = 0.0;
 85 // The maximum speed a particle will be moving on creation
 86 float   maxSpeed            = 0.1;
 87 // Global acceleration applied to all particles
 88 vector  acceleration        = <0.0, 0.0, 0.0>;
 89 // If true, particles will be blown by the current wind
 90 integer windEffect          = FALSE;
 91 // if true, particles 'bounce' off of the object's Z height
 92 integer bounceEffect        = FALSE;
 93 // If true, particles spawn at the container object center
 94 integer followSource        = FALSE;
 95 // If true, particles will move to expire at the target
 96 //integer followTarget        = TRUE;
 97 // Desired target for the particles (any valid object/av key)
 98 // target Needs to be set at runtime
 99 key     target              = "";
100 
101 
102 ///////////////////////////////////////////////////////
103 //As yet unimplemented particle system flags
104 ///////////////////////////////////////////////////////
105 integer randomAcceleration  = FALSE;
106 integer randomVelocity      = FALSE;
107 integer particleTrails      = FALSE;
108 
109 ///////////////////////////////////////////////////////
110 // Pattern Selection
111 ///////////////////////////////////////////////////////
112 //   Uncomment the pattern call you would like to use
113 //   Drop parcles at the container objects' center
114 //integer pattern = PSYS_SRC_PATTERN_DROP;
115 //   Burst pattern originating at objects' center
116 integer pattern = PSYS_SRC_PATTERN_EXPLODE;
117 //   Uses 2D angle between innerAngle and outerAngle
118 //integer pattern = PSYS_SRC_PATTERN_ANGLE;
119 //   Uses 3D cone spread between innerAngle and outerAngle
120 //integer pattern = PSYS_SRC_PATTERN_ANGLE_CONE;
121 // 
122 //integer pattern = PSYS_SRC_PATTERN_ANGLE_CONE_EMPTY;
123 
124 
125 
126 setParticles()
127 {
128 // Here is where to set the current target
129 // llGetKey() targets this script's container object
130 // llGetOwner() targets the owner of this script
131 // Feel free to insert any other valid key
132     target="";
133 // The following block of if statements is used to construct the mask 
134     if (colorInterpolation) effectFlags = effectFlags|PSYS_PART_INTERP_COLOR_MASK;
135     if (sizeInterpolation)  effectFlags = effectFlags|PSYS_PART_INTERP_SCALE_MASK;
136     if (windEffect)         effectFlags = effectFlags|PSYS_PART_WIND_MASK;
137     if (bounceEffect)       effectFlags = effectFlags|PSYS_PART_BOUNCE_MASK;
138     if (followSource)       effectFlags = effectFlags|PSYS_PART_FOLLOW_SRC_MASK;
139     if (followVelocity)     effectFlags = effectFlags|PSYS_PART_FOLLOW_VELOCITY_MASK;
140     if (target!="")       effectFlags = effectFlags|PSYS_PART_TARGET_POS_MASK;
141     if (glowEffect)         effectFlags = effectFlags|PSYS_PART_EMISSIVE_MASK;
142 //Uncomment the following selections once they've been implemented
143 //    if (randomAcceleration) effectFlags = effectFlags|PSYS_PART_RANDOM_ACCEL_MASK;
144 //    if (randomVelocity)     effectFlags = effectFlags|PSYS_PART_RANDOM_VEL_MASK;
145 //    if (particleTrails)     effectFlags = effectFlags|PSYS_PART_TRAIL_MASK;
146     llParticleSystem([
147         PSYS_PART_FLAGS,            effectFlags,
148         PSYS_SRC_PATTERN,           pattern,
149         PSYS_PART_START_COLOR,      startColor,
150         PSYS_PART_END_COLOR,        endColor,
151         PSYS_PART_START_ALPHA,      startAlpha,
152         PSYS_PART_END_ALPHA,        endAlpha,
153         PSYS_PART_START_SCALE,      startSize,
154         PSYS_PART_END_SCALE,        endSize,    
155         PSYS_PART_MAX_AGE,          particleLife,
156         PSYS_SRC_ACCEL,             acceleration,
157         PSYS_SRC_TEXTURE,           texture,
158         PSYS_SRC_BURST_RATE,        emissionRate,
159         PSYS_SRC_INNERANGLE,        innerAngle,
160         PSYS_SRC_OUTERANGLE,        outerAngle,
161         PSYS_SRC_BURST_PART_COUNT,  partPerEmission,      
162         PSYS_SRC_BURST_RADIUS,      radius,
163         PSYS_SRC_BURST_SPEED_MIN,   minSpeed,
164         PSYS_SRC_BURST_SPEED_MAX,   maxSpeed, 
165         PSYS_SRC_MAX_AGE,           SystemLife,
166         PSYS_SRC_TARGET_KEY,        target,
167         PSYS_SRC_OMEGA,             omega   ]);
168 }
169 
170 default
171 {
172     state_entry()
173     {
174         running=TRUE;
175         llSetText("Running", <1.0, 1.0, 1.0>, 0.5);
176         setParticles();
177     }
178     
179     touch_start(integer num_detected)
180     {
181         if (running==TRUE)
182         {
183             running=FALSE;
184             llSetText("Stopped", <1.0, 1.0, 1.0>, 0.5);
185             llParticleSystem([]);
186         }
187         else
188         {
189             running=TRUE;
190             llSetText("Running", <1.0, 1.0, 1.0>, 0.5);
191             setParticles();
192         }
193     }
194 }
195 // END //