Vehicle Types

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Revision as of 12:47, 26 September 2007 by Ralph Doctorow (talk | contribs) (New page: == VEHICLE_TYPE_SLED == Simple vehicle that bumps along the ground, and likes to move along it’s local x-axis. <pre> // most friction for left-right, least for up-down llSetVehicleVector...)
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VEHICLE_TYPE_SLED

Simple vehicle that bumps along the ground, and likes to move along it’s local x-axis. 

// most friction for left-right, least for up-down
llSetVehicleVectorParam( VEHICLE_LINEAR_FRICTION_TIMESCALE, <30, 1, 1000> );
// no angular friction
llSetVehicleVectorParam( VEHICLE_ANGULAR_FRICTION_TIMESCALE, <1000, 1000, 1000> );
// no linear motor
llSetVehicleVectorParam( VEHICLE_LINEAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_TIMESCALE, 1000 );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_DECAY_TIMESCALE, 120 );
// no agular motor
llSetVehicleVectorParam( VEHICLE_ANGULAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_TIMESCALE, 1000 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_DECAY_TIMESCALE, 120 );
// no hover (but with timescale of 10 sec if enabled)
llSetVehicleFloatParam( VEHICLE_HOVER_HEIGHT, 0 );
llSetVehicleFloatParam( VEHICLE_HOVER_EFFICIENCY, 10 );
llSetVehicleFloatParam( VEHICLE_HOVER_TIMESCALE, 10 );
llSetVehicleFloatParam( VEHICLE_BUOYANCY, 0 );
// maximum linear deflection with timescale of 1 second
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_TIMESCALE, 1 );
// no angular deflection
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_TIMESCALE, 10 );
// no vertical attractor (doesn’t mind flipping over)
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_TIMESCALE, 1000 );
// no banking
llSetVehicleFloatParam( VEHICLE_BANKING_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_BANKING_MIX, 1 );
llSetVehicleFloatParam( VEHICLE_BANKING_TIMESCALE, 10 );
// default rotation of local frame
llSetVehicleRotationParam( VEHICLE_REFERENCE_FRAME, <0, 0, 0, 1> );
// remove these flags
llRemoveVehicleFlags( VEHICLE_FLAG_HOVER_WATER_ONLY
    | VEHICLE_FLAG_HOVER_TERRAIN_ONLY
    | VEHICLE_FLAG_HOVER_GLOBAL_HEIGHT
    | VEHICLE_FLAG_HOVER_UP_ONLY );
// until banking is enabled, if ever)
llSetVehicleFlags( VEHICLE_FLAG_NO_DEFLECTION_UP
    | VEHICLE_FLAG_LIMIT_ROLL_ONLY
    | VEHICLE_FLAG_LIMIT_MOTOR_UP );

VEHICLE_TYPE_CAR

Another vehicle that bounces along the ground but needs the motors to be driven from external controls or timer events. 

// most friction for left-right, least for up-down
llSetVehicleVectorParam( VEHICLE_LINEAR_FRICTION_TIMESCALE, <100, 2, 1000> );
// no angular friction
llSetVehicleVectorParam( VEHICLE_ANGULAR_FRICTION_TIMESCALE, <1000, 1000, 1000> );
// linear motor wins after about a second, decays after about a minute
llSetVehicleVectorParam( VEHICLE_LINEAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_TIMESCALE, 1 );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_DECAY_TIMESCALE, 60 );
// agular motor wins after a second, decays in less time than that
llSetVehicleVectorParam( VEHICLE_ANGULAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_TIMESCALE, 1 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_DECAY_TIMESCALE, 0.8 );
// no hover
llSetVehicleFloatParam( VEHICLE_HOVER_HEIGHT, 0 );
llSetVehicleFloatParam( VEHICLE_HOVER_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_HOVER_TIMESCALE, 1000 );
llSetVehicleFloatParam( VEHICLE_BUOYANCY, 0 );
// maximum linear deflection with timescale of 2 seconds
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_TIMESCALE, 2 );
// no angular deflection
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_TIMESCALE, 10 );
// critically damped vertical attractor
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_TIMESCALE, 10 );
// weak negative critically damped banking
llSetVehicleFloatParam( VEHICLE_BANKING_EFFICIENCY, -0.2 );
llSetVehicleFloatParam( VEHICLE_BANKING_MIX, 1 );
llSetVehicleFloatParam( VEHICLE_BANKING_TIMESCALE, 1 );
// default rotation of local frame
llSetVehicleRotationParam( VEHICLE_REFERENCE_FRAME, <0, 0, 0, 1> );
// remove these flags
llRemoveVehicleFlags( VEHICLE_FLAG_HOVER_WATER_ONLY
    | VEHICLE_FLAG_HOVER_TERRAIN_ONLY
    | VEHICLE_FLAG_HOVER_GLOBAL_HEIGHT);
// set these flags
llSetVehicleFlags( VEHICLE_FLAG_NO_DEFLECTION_UP
    | VEHICLE_FLAG_LIMIT_ROLL_ONLY
    | VEHICLE_FLAG_HOVER_UP_ONLY
    | VEHICLE_FLAG_LIMIT_MOTOR_UP );

VEHICLE_TYPE_BOAT

Hovers over water with lots of friction and some anglar deflection. 

// least for forward-back, most friction for up-down
llSetVehicleVectorParam( VEHICLE_LINEAR_FRICTION_TIMESCALE, <10, 3, 2> );
// uniform angular friction (setting it as a scalar rather than a vector)
llSetVehicleFloatParam( VEHICLE_ANGULAR_FRICTION_TIMESCALE, 10 );
// linear motor wins after about five seconds, decays after about a minute
llSetVehicleVectorParam( VEHICLE_LINEAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_TIMESCALE, 5 );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_DECAY_TIMESCALE, 60 );
// agular motor wins after four seconds, decays in same amount of time
llSetVehicleVectorParam( VEHICLE_ANGULAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_TIMESCALE, 4 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_DECAY_TIMESCALE, 4 );
// hover
llSetVehicleFloatParam( VEHICLE_HOVER_HEIGHT, 0 );
llSetVehicleFloatParam( VEHICLE_HOVER_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_HOVER_TIMESCALE, 2.0 );
llSetVehicleFloatParam( VEHICLE_BUOYANCY, 1 );
// halfway linear deflection with timescale of 3 seconds
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_TIMESCALE, 3 );
// angular deflection
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_TIMESCALE, 5 );
// somewhat bounscy vertical attractor
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_TIMESCALE, 5 );
// weak negative damped banking
llSetVehicleFloatParam( VEHICLE_BANKING_EFFICIENCY, -0.3 );
llSetVehicleFloatParam( VEHICLE_BANKING_MIX, 0.8 );
llSetVehicleFloatParam( VEHICLE_BANKING_TIMESCALE, 1 );
// default rotation of local frame
llSetVehicleRotationParam( VEHICLE_REFERENCE_FRAME, <0, 0, 0, 1> );
// remove these flags
llRemoveVehicleFlags( VEHICLE_FLAG_HOVER_TERRAIN_ONLY
    | VEHICLE_FLAG_LIMIT_ROLL_ONLY
    | VEHICLE_FLAG_HOVER_GLOBAL_HEIGHT);
// set these flags
llSetVehicleFlags( VEHICLE_FLAG_NO_DEFLECTION_UP
    | VEHICLE_FLAG_HOVER_WATER_ONLY
    | VEHICLE_FLAG_HOVER_UP_ONLY
    | VEHICLE_FLAG_LIMIT_MOTOR_UP );

VEHICLE_TYPE_AIRPLANE

Uses linear deflection for lift, no hover, and banking to turn. 

// very little friction along forward-back axis
llSetVehicleVectorParam( VEHICLE_LINEAR_FRICTION_TIMESCALE, <200, 10, 5> );
// uniform angular friction
llSetVehicleFloatParam( VEHICLE_ANGULAR_FRICTION_TIMESCALE, 20 );
// linear motor
llSetVehicleVectorParam( VEHICLE_LINEAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_TIMESCALE, 2 );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_DECAY_TIMESCALE, 60 );
// agular motor
llSetVehicleVectorParam( VEHICLE_ANGULAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_TIMESCALE, 4 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_DECAY_TIMESCALE, 8 );
// no hover
llSetVehicleFloatParam( VEHICLE_HOVER_HEIGHT, 0 );
llSetVehicleFloatParam( VEHICLE_HOVER_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_HOVER_TIMESCALE, 1000 );
llSetVehicleFloatParam( VEHICLE_BUOYANCY, 0 );
// linear deflection
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_EFFICIENCY, 0.5 );
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_TIMESCALE, 0.5 );
// angular deflection
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_EFFICIENCY, 1.0 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_TIMESCALE, 2.0 );
// vertical attractor
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_EFFICIENCY, 0.9 );
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_TIMESCALE, 2 );
// banking
llSetVehicleFloatParam( VEHICLE_BANKING_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_BANKING_MIX, 0.7 );
llSetVehicleFloatParam( VEHICLE_BANKING_TIMESCALE, 2 );
// default rotation of local frame
llSetVehicleRotationParam( VEHICLE_REFERENCE_FRAME, <0, 0, 0, 1> );
// remove these flags
llRemoveVehicleFlags( VEHICLE_FLAG_NO_DEFLECTION_UP
    | VEHICLE_FLAG_HOVER_WATER_ONLY
    | VEHICLE_FLAG_HOVER_TERRAIN_ONLY
    | VEHICLE_FLAG_HOVER_GLOBAL_HEIGHT
    | VEHICLE_FLAG_HOVER_UP_ONLY
    | VEHICLE_FLAG_LIMIT_MOTOR_UP );
// set these flags
llSetVehicleFlags( VEHICLE_FLAG_LIMIT_ROLL_ONLY );

VEHICLE_TYPE_BALLOON

Hover, and friction, but no deflection. 

// uniform linear friction
llSetVehicleFloatParam( VEHICLE_LINEAR_FRICTION_TIMESCALE, 5 );
// uniform angular friction
llSetVehicleFloatParam( VEHICLE_ANGULAR_FRICTION_TIMESCALE, 10 );
// linear motor
llSetVehicleVectorParam( VEHICLE_LINEAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_TIMESCALE, 5 );
llSetVehicleFloatParam( VEHICLE_LINEAR_MOTOR_DECAY_TIMESCALE, 60 );
// agular motor
llSetVehicleVectorParam( VEHICLE_ANGULAR_MOTOR_DIRECTION, <0, 0, 0> );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_TIMESCALE, 6 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_MOTOR_DECAY_TIMESCALE, 10 );
// hover
llSetVehicleFloatParam( VEHICLE_HOVER_HEIGHT, 5 );
llSetVehicleFloatParam( VEHICLE_HOVER_EFFICIENCY, 0.8 );
llSetVehicleFloatParam( VEHICLE_HOVER_TIMESCALE, 10 );
llSetVehicleFloatParam( VEHICLE_BUOYANCY, 1 );
// no linear deflection
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_LINEAR_DEFLECTION_TIMESCALE, 5 );
// no angular deflection
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_ANGULAR_DEFLECTION_TIMESCALE, 5 );
// no vertical attractor
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_EFFICIENCY, 1 );
llSetVehicleFloatParam( VEHICLE_VERTICAL_ATTRACTION_TIMESCALE, 1000 );
// no banking
llSetVehicleFloatParam( VEHICLE_BANKING_EFFICIENCY, 0 );
llSetVehicleFloatParam( VEHICLE_BANKING_MIX, 0.7 );
llSetVehicleFloatParam( VEHICLE_BANKING_TIMESCALE, 5 );
// default rotation of local frame
llSetVehicleRotationParam( VEHICLE_REFERENCE_FRAME, <0, 0, 0, 1> );
// remove all flags
llRemoveVehicleFlags( VEHICLE_FLAG_NO_DEFLECTION_UP
    | VEHICLE_FLAG_HOVER_WATER_ONLY
    | VEHICLE_FLAG_LIMIT_ROLL_ONLY
    | VEHICLE_FLAG_HOVER_TERRAIN_ONLY
    | VEHICLE_FLAG_HOVER_GLOBAL_HEIGHT
    | VEHICLE_FLAG_HOVER_UP_ONLY
    | VEHICLE_FLAG_LIMIT_MOTOR_UP );
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