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__NOTOC__
=Smooth Sliding Door Script=
==Introduction==
It really annoys me that there are so many bad looking doors out there that jerk around.  While you can use llSetPos for a sliding door you have no control at what speed it moves.  This sliding door script i created because i wanted to time my sliding door movements with the door sounds i had.  It uses llMoveToTarget to move the door, with the door temporally turning phantom as it moves.

In laggy sims it will behave a little bit funky .. the door sometimes seeming to zoom off to the side before popping into the correct final position as the door becomes a physical object. However, even with that defect it still looks much better IMHO

==The Script==

<lsl>
// ********************************************************************
//
// Basic Physical Sliding Door Script
// by SimonT Quinnell 
// 11/07/2009
//
// NOTE: If you are going to reposition the door, do it while the door is closed.
//  Otherwise it will try and use the old close position as a reference point.
//
// Licensed under the "OpenCollar License"
// Ie. Licensed under the GPLv2, with the additional requirement that these scripts remain "full perms" in Second Life.
//
// Edit: Simplified the script to be just a basic move script .. removed the sound triggers (5/1/2010)
//
// ********************************************************************


// ********************************************************************
// CONSTANTS
// ********************************************************************

// Movement Constants
vector      OFFSET = <-2.0, 0.0, 0.0>;      // Directional offset for moving the door in x,y,z coordinates
float       OPENTIME = 3.5;                 // Time taken to open door
float       CLOSETIME = 3.5;                // Time taken to close door


// ********************************************************************
// Variables
// ********************************************************************

vector      vPosition;
rotation    rRot;
float       omega=0.0;
vector      vTargetPos;
integer     bOpen = FALSE;
integer     bMoving = FALSE;


// ********************************************************************
// Functions
// ********************************************************************


MoveDoor()
{    
    if(!bOpen)
    {   // Initial conditions
        bOpen = TRUE;                
        rRot = llGetRot();
        vPosition = llGetPos();
        
        // Target Position
        omega=OPENTIME/llVecDist(<0,0,0>,OFFSET);
        vTargetPos = vPosition+OFFSET*rRot;
        
        // Set the timer to cleanup position
        llSetTimerEvent(OPENTIME);        
    }else
    {        
        bOpen = FALSE;

        // Target Position
        omega=CLOSETIME/llVecDist(<0,0,0>,OFFSET);
        vTargetPos = vPosition;
        
        // Set the timer to cleanup position
        llSetTimerEvent(CLOSETIME);
    }
    
    // Set Door Physical and move it
    bMoving = TRUE;
    llSetStatus(STATUS_PHANTOM, TRUE);
    llSetStatus(STATUS_PHYSICS, TRUE);
    llMoveToTarget(vTargetPos,omega);
}


default
{            
    state_entry()
    {   // Initial conditions
        rRot = llGetRot();
        vPosition = llGetPos();
    }    
        
    touch_start(integer num_detected)
    {
        MoveDoor();
    } 
        
    timer()
    {
        // Clean up Position
        bMoving = FALSE;
        llSetTimerEvent(0.0);
        llSetStatus(STATUS_PHYSICS, FALSE);
        llSetStatus(STATUS_PHANTOM, FALSE);         
        llSetPrimitiveParams([ PRIM_POSITION, vTargetPos, PRIM_ROTATION, rRot ]);        
    }
}</lsl>

==The Script with Auto-Close==
Flax Quirina: A minor off-spin of the script above would be to add an auto-close feature so that the door slides back after a certain user-defined period of time.

<lsl>
// ********************************************************************
//
// Basic Physical Sliding Door Script
// by SimonT Quinnell (11/07/2009) edited by Flax Quirina
// for auto-close (17/06/2011).
//
// NOTE: If you are going to reposition the door, do it while the door is closed.
//  Otherwise it will try and use the old close position as a reference point.
//
// Licensed under the "OpenCollar License"
// Ie. Licensed under the GPLv2, with the additional requirement that these scripts remain "full perms" in Second Life.
//
// Edit: Simplified the script to be just a basic move script .. removed the sound triggers (5/1/2010)
//
// ********************************************************************
 
 
// ********************************************************************
// CONSTANTS
// ********************************************************************
 
// Movement Constants
vector      OFFSET = <-2.0, 0.0, 0.0>;      // Directional offset for moving the door in x,y,z coordinates
float       OPENTIME = 3.5;                 // Time taken to open door
float       CLOSETIME = 3.5;                // Time taken to close door
float       AUTO_CLOSE_TIME = 5;              // Time to auto-close the door
 
// ********************************************************************
// Variables
// ********************************************************************
 
vector      vPosition;
rotation    rRot;
float       omega=0.0;
vector      vTargetPos;
integer     bOpen = FALSE;
integer     bMoving = FALSE;
integer     destTarget;
 
// ********************************************************************
// Functions
// ********************************************************************
 
 
MoveDoor()
{
    if(!bOpen)
    {   // Initial conditions
        bOpen = TRUE;                
        rRot = llGetRot();
        vPosition = llGetPos();
 
        // Target Position
        omega=OPENTIME/llVecDist(<0,0,0>,OFFSET);
        vTargetPos = vPosition+OFFSET*rRot;
 
        // Set the timer to cleanup position
        //llSetTimerEvent(OPENTIME);        
    }else
    {        
        bOpen = FALSE;
 
        // Target Position
        omega=CLOSETIME/llVecDist(<0,0,0>,OFFSET);
        vTargetPos = vPosition;
 
        // Set the timer to cleanup position
        //llSetTimerEvent(CLOSETIME);
    }
 
    // Set Door Physical and move it
    bMoving = TRUE;
    llSetStatus(STATUS_PHANTOM, TRUE);
    llSetStatus(STATUS_PHYSICS, TRUE);
    destTarget = llTarget(vTargetPos, llVecDist(<0,0,0>,OFFSET));
    llMoveToTarget(vTargetPos,omega);
    
}
 
 
default
{            
    state_entry()
    {   // Initial conditions
        rRot = llGetRot();
        vPosition = llGetPos();
    }    
    at_target(integer tnum, vector targetpos, vector ourpos) {
        if(llVecDist(targetpos, ourpos) < 0.1) {
            // Clean up Position
            bMoving = FALSE;
            llSetStatus(STATUS_PHYSICS, FALSE);
            llSetStatus(STATUS_PHANTOM, FALSE);         
            llSetPrimitiveParams([ PRIM_POSITION, vTargetPos, PRIM_ROTATION, rRot ]);
            llTargetRemove(destTarget);
            if(bOpen) {
                llSetTimerEvent(AUTO_CLOSE_TIME);
            }
        }
    }
    touch_start(integer num_detected)
    {
        MoveDoor();
    } 
 
    timer()
    {
        llSetTimerEvent(0.0);
        MoveDoor();
    }
}
</lsl>