Grenade Script

Uses two methods within separate states to 'throw' objects at a velocity dependent on how long you hold the mouse button down.

<source lang="lsl2"> vector pos; rotation rot; vector offset; vector fwd; integer gPermFlags; vector BULLET_VELOCITY = <2,0,1>; float REPEAT_DELAY = 0.40; string ammo = "grenade"; string throwanim = "avatar_throw_R"; integer on=TRUE;

default {

  state_entry()
    {
         gPermFlags = PERMISSION_TRIGGER_ANIMATION | PERMISSION_TAKE_CONTROLS | PERMISSION_TRACK_CAMERA;

         if ( llGetAttached() )
           llRequestPermissions(llGetOwner(), gPermFlags);
     }  
      
   run_time_permissions(integer perm)
   {
       if ((perm & gPermFlags) == gPermFlags)
      {
          llTakeControls(CONTROL_ML_LBUTTON, TRUE, FALSE);
          llOwnerSay("First Person Mode. Click to change to Third Person Mode.");
      }
   }
   
    touch_end(integer nd)  
   {   
   
     key DetectedKey= llDetectedKey(0);
     key OwnerKey= llGetOwner();
     
     
        if (OwnerKey== DetectedKey)  //Ensures only the operator can change the mode.
        {
         state two;   
        }   
    }
   
   attach(key id)
   {
       if (id)
           llRequestPermissions(id, gPermFlags);
           
       else if(id== NULL_KEY)         // Things to do when detached.
       {
        llStopAnimation(throwanim);
        llReleaseControls();
        llResetScript();    
        }
   }        
   changed(integer change)
   {
        if(change &(CHANGED_OWNER | CHANGED_INVENTORY))
           llResetScript();
   }

   control(key owner, integer level, integer edge)
   {
        if (edge  & CONTROL_ML_LBUTTON )
        {
            if(on==TRUE)
            {
             llResetTime();
             on=FALSE;   
            }  
       else if (on==FALSE)
        {
             float factor = llGetTime()+1*3; 
             vector last=factor*BULLET_VELOCITY *llGetCameraRot();
             llStartAnimation(throwanim);
             llRezAtRoot(ammo,llGetCameraPos()+<1.0,0,1.0>*llGetCameraRot(),last ,llGetCameraRot(),10);
             llSleep(REPEAT_DELAY);  
              on=TRUE;
        } 
      }
   }

}

state two {

   state_entry()
    {
         gPermFlags = PERMISSION_TRIGGER_ANIMATION | PERMISSION_TAKE_CONTROLS | PERMISSION_TRACK_CAMERA;
         llRequestPermissions(llGetOwner(), gPermFlags);
    }  
       
    run_time_permissions(integer perm)
    {
       if ( (perm & gPermFlags) == gPermFlags)
       {
           llTakeControls(CONTROL_LBUTTON, TRUE, FALSE);
           llOwnerSay("Third Person mode. Click to change to First Person Mode.");
       }
    }
   
    touch_end(integer nd) 
    {   
       key DetectedKey= llDetectedKey(0);
       key OwnerKey= llGetOwner();
      
        if (OwnerKey== DetectedKey)  //Ensures only the operator can change the mode.
        {
           state default;   
        }
    }
   
   attach(key id)
   {   
      if(id== NULL_KEY)            // Things to do when detached.
       {
          llStopAnimation(throwanim);
          llReleaseControls();
          llResetScript(); 
        }
   }        
   changed(integer change)
   {
         if(change &(CHANGED_OWNER | CHANGED_INVENTORY) )
            llResetScript();
    }

 control(key owner, integer level, integer edge)
   {
     
          if (edge  & CONTROL_LBUTTON )
        {
            if(on==TRUE)
            {
             llResetTime();
             on=FALSE;   
            }  
       else if (on==FALSE)
        {
           float factor = llGetTime()+1*3;
           llStartAnimation(throwanim);
           pos = llGetPos();
           rot = llGetRot();
           offset = <1.0,0.0, 2.0>;
           pos += offset*rot;
           offset *= rot;
           rot *= llEuler2Rot(<0, 0, 0>*DEG_TO_RAD);
           fwd = factor*BULLET_VELOCITY*rot;
           llRezAtRoot(ammo, pos, fwd, rot, 1);
           llSleep(REPEAT_DELAY);
           on=TRUE;
       }
     }
  }

}