diff --git a/addons/frag/ACE_Settings.hpp b/addons/frag/ACE_Settings.hpp
new file mode 100644
index 0000000000..b160a127f3
--- /dev/null
+++ b/addons/frag/ACE_Settings.hpp
@@ -0,0 +1,8 @@
+class ACE_Settings {
+    class GVAR(enabled) {
+        displayName = "Frag System";
+        description = "Enables the shrapnel system for explosives";
+        typeName = "BOOL";
+        value = 1;
+    };
+};
diff --git a/addons/frag/CfgAmmo.hpp b/addons/frag/CfgAmmo.hpp
index 142414ab40..c4841ef96a 100644
--- a/addons/frag/CfgAmmo.hpp
+++ b/addons/frag/CfgAmmo.hpp
@@ -9,7 +9,7 @@ class CfgAmmo {
     //    GVAR(skip) = 1;
     //};
     class Bo_GBU12_LGB;
-    class Nou_GBU12 : Bo_GBU12_LGB {
+    class ACE_GBU12 : Bo_GBU12_LGB {
         GVAR(classes)[] = {"ACE_frag_large", "ACE_frag_large", "ACE_frag_large_HD", "ACE_frag_large", "ACE_frag_huge", "ACE_frag_huge_HD", "ACE_frag_huge"};
         GVAR(metal) = 140000;
         GVAR(charge) = 87000;
@@ -72,26 +72,27 @@ class CfgAmmo {
         GVAR(gurney_c) = 2320;
         GVAR(gurney_k) = 1/2;
     };
-
-
-    class G_40mm_HE: GrenadeBase {
-        GVAR(skip) = 0;
-        GVAR(force) = 1;
-    };
-
-    class ACE_G_40mm_HEDP: G_40mm_HE {
+    
+    class G_40mm_HEDP: GrenadeBase {
+        // Source: http://www.inetres.com/gp/military/infantry/grenade/40mm_ammo.html#M433
         GVAR(classes)[] = {"ACE_frag_tiny_HD"};
         GVAR(metal) = 200;
         GVAR(charge) = 45;
         GVAR(gurney_c) = 2830;
-        GVAR(gurney_k) = 3/5;
+        GVAR(gurney_k) = 1/2;
     };
-    class ACE_G_40mm_HE: ACE_G_40mm_HEDP {
+    class G_40mm_HE: GrenadeBase {
+        // Source: http://www.inetres.com/gp/military/infantry/grenade/40mm_ammo.html#M441
         GVAR(classes)[] = {"ACE_frag_tiny_HD"};
         GVAR(metal) = 200;
         GVAR(charge) = 32;
         GVAR(gurney_c) = 2700;
-        GVAR(gurney_k) = 3/5;
+        GVAR(gurney_k) = 1/2;
+    };
+    
+    class ACE_G_40mm_HEDP: G_40mm_HEDP {
+    };
+    class ACE_G_40mm_HE: G_40mm_HE {
     };
     class ACE_G_40mm_Practice: ACE_G_40mm_HE {
         GVAR(skip) = 1;
diff --git a/addons/frag/CfgEventhandlers.hpp b/addons/frag/CfgEventhandlers.hpp
index 1e631e07eb..df7eaeacd1 100644
--- a/addons/frag/CfgEventhandlers.hpp
+++ b/addons/frag/CfgEventhandlers.hpp
@@ -1,12 +1,12 @@
 class Extended_PreInit_EventHandlers {
     class ADDON {
-        init = QUOTE(call COMPILE_FILE(XEH_pre_init));
+        init = QUOTE(call COMPILE_FILE(XEH_preInit));
     };
 };
 
 class Extended_PostInit_EventHandlers {
-    class ADDON    {
-        init = QUOTE(call COMPILE_FILE(XEH_post_init));
+    class ADDON {
+        init = QUOTE(call COMPILE_FILE(XEH_postInit));
     };
 };
 
diff --git a/addons/frag/CfgVehicles.hpp b/addons/frag/CfgVehicles.hpp
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/addons/frag/XEH_postInit.sqf b/addons/frag/XEH_postInit.sqf
new file mode 100644
index 0000000000..6c8d64d1fb
--- /dev/null
+++ b/addons/frag/XEH_postInit.sqf
@@ -0,0 +1,5 @@
+#include "script_component.hpp"
+
+if(isServer) then {
+    [QGVAR(frag_eh), { _this call FUNC(frago); }] call ace_common_fnc_addEventHandler;
+};
\ No newline at end of file
diff --git a/addons/frag/XEH_post_init.sqf b/addons/frag/XEH_post_init.sqf
deleted file mode 100644
index 9769148871..0000000000
--- a/addons/frag/XEH_post_init.sqf
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "script_component.hpp"
-if(isServer) then {
-    [QGVAR(frag_eh), { _this call FUNC(frago); }] call ace_common_fnc_addEventHandler;
-};
-/*
-GVAR(replacedBisArtyWrapper) = false;
-[] spawn {
-    waitUntil {
-        if(!(isNil "BIS_ARTY_F_ShellFlight")) then {
-            ACE_WRAPPER_BIS_ARTY_F_ShellFlight = BIS_ARTY_F_ShellFlight;
-            BIS_ARTY_F_ShellFlight = FUNC(BIS_ARTY_WRAPPER);
-            GVAR(replacedBisArtyWrapper) = true;
-        };
-        sleep 4;
-        GVAR(replacedBisArtyWrapper)
-    };
-};
-*/
\ No newline at end of file
diff --git a/addons/frag/XEH_pre_Init.sqf b/addons/frag/XEH_preInit.sqf
similarity index 69%
rename from addons/frag/XEH_pre_Init.sqf
rename to addons/frag/XEH_preInit.sqf
index 5fb261cc05..906a696ebf 100644
--- a/addons/frag/XEH_pre_Init.sqf
+++ b/addons/frag/XEH_preInit.sqf
@@ -1,48 +1,35 @@
 #include "script_component.hpp"
 
-
 ADDON = false;
 
+PREP(doSpall);
 PREP(fired);
 PREP(frago);
-PREP(trackFragRound);
 PREP(spallTrack);
-PREP(doSpall);
-PREP(vectorDiffFast);
+PREP(trackFragRound);
 
-GVAR(trackedObjects) = [];
 GVAR(blackList) = [];
 GVAR(traceFrags) = false;
-
-GVAR(replacedBisArtyWrapper) = true;
+GVAR(trackedObjects) = [];
 
 GVAR(TOTALFRAGS) = 0;
 
-GVAR(spallIsTrackingCount) = 0;
 GVAR(spallHPData) = [];
+GVAR(spallIsTrackingCount) = 0;
 
+GVAR(autoTrace) = true;
+GVAR(traceID) = -1;
 GVAR(traces) = [];
 GVAR(tracesStarted) = false;
-GVAR(traceID) = -1;
-GVAR(autoTrace) = true;
-
-// TODO setting
-GVAR(enabled) = true;
-
 
 // * Other Shit */
-PREP(frag_trace);
-PREP(denyFrag);
-PREP(BIS_ARTY_WRAPPER);
-PREP(startTracing);
-PREP(stopTracing);
-PREP(clearTraces);
-PREP(trackTrace);
+PREP(addBlackList);
 PREP(addTrack);
 PREP(drawTraces);
 PREP(removeTrack);
 PREP(spallHP);
-PREP(addBlackList);
-PREP(addManualTrack);
+PREP(startTracing);
+PREP(stopTracing);
+PREP(trackTrace);
 
 ADDON = true;
diff --git a/addons/frag/config.cpp b/addons/frag/config.cpp
index 4c1fb71e15..16af88bfc4 100644
--- a/addons/frag/config.cpp
+++ b/addons/frag/config.cpp
@@ -10,7 +10,6 @@ class CfgPatches {
     };
 };
 
-//PRELOAD_ADDONS;
-
 #include "CfgEventhandlers.hpp"
 #include "CfgAmmo.hpp"
+#include "ACE_Settings.hpp"
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_BIS_ARTY_WRAPPER.sqf b/addons/frag/functions/fnc_BIS_ARTY_WRAPPER.sqf
deleted file mode 100644
index 0d71cf58ac..0000000000
--- a/addons/frag/functions/fnc_BIS_ARTY_WRAPPER.sqf
+++ /dev/null
@@ -1,13 +0,0 @@
-#include "script_component.hpp"
-_ret = [(_this select 6)] call FUNC(removeTrack);
-if(!_ret) then {
-    [(_this select 6)] call FUNC(addBlackList);
-};
-_this call ACE_WRAPPER_BIS_ARTY_F_ShellFlight;
-_catEntry = BIS_ARTY_SHELLCAT select ((count BIS_ARTY_SHELLCAT) - 1);
-_shell = _catEntry select 0;
-_ARTY_DeployOnImpact = getText (configFile >> "CfgAmmo" >> "ARTY_DeployOnImpact");
-if(_ARTY_DeployOnImpact == "") then {
-    _this set[6, _shell];
-    _this call FUNC(fired);
-};
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_addBlackList.sqf b/addons/frag/functions/fnc_addBlackList.sqf
index f7b3faf902..95edcd1590 100644
--- a/addons/frag/functions/fnc_addBlackList.sqf
+++ b/addons/frag/functions/fnc_addBlackList.sqf
@@ -1,4 +1,4 @@
-#include "script_component.hpp"
-private ["_round"];
-_round = _this select 0;
+#include "script_component.hpp"
+private ["_round"];
+_round = _this select 0;
 GVAR(blackList) set[(count GVAR(blackList)), _round];
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_addManualTrack.sqf b/addons/frag/functions/fnc_addManualTrack.sqf
deleted file mode 100644
index 3dc14cc748..0000000000
--- a/addons/frag/functions/fnc_addManualTrack.sqf
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "script_component.hpp"
-private ["_round"];
-_round = _this select 0;
-if(alive _round) then {
-    GVAR(trackedObjects) set[(count GVAR(trackedObjects)), _round];
-    [DFUNC(trackFragRound), 0, [_round, (getPosASL _round), (velocity _round), (typeOf _round), time, objNull, false, 0, 0]] call cba_fnc_addPerFrameHandler;
-};
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_addTrack.sqf b/addons/frag/functions/fnc_addTrack.sqf
index 2beea1dd56..d4a4272a9c 100644
--- a/addons/frag/functions/fnc_addTrack.sqf
+++ b/addons/frag/functions/fnc_addTrack.sqf
@@ -1,5 +1,8 @@
 #include "script_component.hpp"
-if(GVAR(autoTrace)) then {
+
+private ["_color", "_data", "_index", "_obj", "_objSpd", "_origin", "_positions"];
+
+if (GVAR(autoTrace)) then {
     [] call FUNC(startTracing);
 };
 
@@ -12,9 +15,9 @@ if((count _this) > 2) then {
     _color = _this select 2;
 };
 _positions = [];
-_objVel = velocity _obj;
-_objTVel = sqrt((_objVel select 0)^2 + (_objVel select 1)^2 + (_objVel select 2)^2);
-_positions set[(count _positions), [(getPos _obj), _objTVel]];
-_data = [_origin, typeOf _origin, typeOf _obj, _objTVel, _positions, _color];
+_objSpd = vectorMagnitude (velocity _obj);
+_positions set[(count _positions), [(getPos _obj), _objSpd]];
+_data = [_origin, typeOf _origin, typeOf _obj, _objSpd, _positions, _color];
+
 GVAR(traces) set[_index, _data];
-[DFUNC(trackTrace), 0, [_obj, _index, time]] call cba_fnc_addPerFrameHandler;
\ No newline at end of file
+[DFUNC(trackTrace), 0, [_obj, _index, time]] call cba_fnc_addPerFrameHandler;
diff --git a/addons/frag/functions/fnc_clearTraces.sqf b/addons/frag/functions/fnc_clearTraces.sqf
deleted file mode 100644
index b301094044..0000000000
--- a/addons/frag/functions/fnc_clearTraces.sqf
+++ /dev/null
@@ -1,2 +0,0 @@
-#include "script_component.hpp"
-GVAR(traces) = [];
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_denyFrag.sqf b/addons/frag/functions/fnc_denyFrag.sqf
deleted file mode 100644
index 6c4aa9bf8d..0000000000
--- a/addons/frag/functions/fnc_denyFrag.sqf
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "script_component.hpp"
-
-private ["_ret"];
-_ret = [(_this select 0)] call FUNC(removeTrack);
-if(!_ret) then {
-    [(_this select 0)] call FUNC(addBlackList);
-};
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_doSpall.sqf b/addons/frag/functions/fnc_doSpall.sqf
index cb54cb776b..990fb80f8d 100644
--- a/addons/frag/functions/fnc_doSpall.sqf
+++ b/addons/frag/functions/fnc_doSpall.sqf
@@ -3,13 +3,12 @@
 #ifdef DEBUG_MODE_FULL
     GVAR(traceFrags) = true;
 #endif
-// ACE_player sideChat "WAAAAAAAAAAAAAAAAAAAAA";
+// ACE_player sideChat "WAAAAAAAAAAAAAAAAAAAAA";    
 private ["_params", "_initialData", "_hpData", "_roundType", "_round", "_object", "_caliber", "_explosive",
     "_idh", "_alive", "_exit", "_vm", "_velocity", "_unitDir", "_oldVelocity", "_curVelocity", "_diff", "_polar",
     "_pos", "_spallPos", "_i", "_pos1", "_pos2", "_blah", "_data", "_spallPolar", "_c", "_warn", "_m", "_k",
     "_gC", "_shellType", "_fragPower", "_spread", "_spallCount", "_elev", "_dir", "_vel", "_spallFragVect",
-    "_fragment"];
-
+    "_fragment", "_index", "_hitData", "_fragTypes", "_fragType", "_foundObjects"];
 
 _params = _this select 0;
 [(_this select 1)] call cba_fnc_removePerFrameHandler;
@@ -45,8 +44,8 @@ if(_alive || {_caliber >= 2.5} || {(_explosive > 0 && {_idh >= 1})}) then {
     _vm = 1;
     _velocity = _initialData select 5;
 
-    _oldVelocity = _velocity call BIS_fnc_magnitude;
-    _curVelocity = (velocity _round) call BIS_fnc_magnitude;
+    _oldVelocity = vectorMagnitude _velocity;
+    _curVelocity = vectorMagnitude (velocity _round);
 
     if(alive _round) then {
         _diff = _velocity vectorDiff (velocity _round);
@@ -66,16 +65,8 @@ if(_alive || {_caliber >= 2.5} || {(_explosive > 0 && {_idh >= 1})}) then {
         _pos = _hpData select 3;
         _spallPos = nil;
         for "_i" from 0 to 100 do {
-            _pos1 = [
-                        (_pos select 0) + (((_unitDir select 0)*0.01)*_i),
-                        (_pos select 1) + (((_unitDir select 1)*0.01)*_i),
-                        (_pos select 2) + (((_unitDir select 2)*0.01)*_i)
-                    ];
-            _pos2 = [
-                        (_pos select 0) + (((_unitDir select 0)*0.01)*(_i+1)),
-                        (_pos select 1) + (((_unitDir select 1)*0.01)*(_i+1)),
-                        (_pos select 2) + (((_unitDir select 2)*0.01)*(_i+1))
-                    ];
+            _pos1 = _pos vectorAdd (_unitDir vectorMultiply (0.01 * _i));
+            _pos2 = _pos vectorAdd (_unitDir vectorMultiply (0.01 * (_i + 1)));
             // _blah = [_object, "FIRE"] intersect [_object worldToModel (ASLtoATL _pos1), _object worldToModel (ASLtoATL _pos2)];
             // diag_log text format["b: %1", _blah];
 
diff --git a/addons/frag/functions/fnc_drawTraces.sqf b/addons/frag/functions/fnc_drawTraces.sqf
index b9645bab97..e61fc9b5ba 100644
--- a/addons/frag/functions/fnc_drawTraces.sqf
+++ b/addons/frag/functions/fnc_drawTraces.sqf
@@ -1,13 +1,13 @@
 #include "script_component.hpp"
+
+private ["_color", "_index", "_lastPos", "_lastSpd", "_max", "_positions", "_startSpeed"];
+
 {
     _positions = _x select 4;
     _color = _x select 5;
     _index = 0;
     _max = count _positions;
-    _startSpeed = (_positions select 0) select 1;
-    if(_startSpeed <= 0) then {
-        _startSpeed = 0.01;
-    };
+    _startSpeed = 0.01 max ((_positions select 0) select 1);
     _lastSpd = [];
     _lastPos = [];
     while {_index < _max} do {
@@ -29,4 +29,4 @@
         _lastSpd = _data1 select 1;
     };
     // drawIcon3D ["", [1,0,0,1], _lastPos, 0, 0, 0, format["%1m/s", _lastSpd], 1, 0.05, "PuristaMedium"];
-} forEach GVAR(traces);
\ No newline at end of file
+} forEach GVAR(traces);
diff --git a/addons/frag/functions/fnc_fired.sqf b/addons/frag/functions/fnc_fired.sqf
index 85f5f45c0a..7ed717c2b8 100644
--- a/addons/frag/functions/fnc_fired.sqf
+++ b/addons/frag/functions/fnc_fired.sqf
@@ -1,6 +1,8 @@
 #include "script_component.hpp"
-private ["_gun", "_type", "_round", "_doFragTrack", "_doSpall"];
-if !(!isNil QGVAR(enabled) && {GVAR(enabled)}) exitWith {};
+
+private ["_gun", "_type", "_round", "_doFragTrack", "_doSpall", "_spallTrack", "_spallTrackID"];
+
+if (!GVAR(enabled)) exitWith {};
 
 _gun = _this select 0;
 _type = _this select 4;
diff --git a/addons/frag/functions/fnc_frag_trace.sqf b/addons/frag/functions/fnc_frag_trace.sqf
deleted file mode 100644
index 664e117793..0000000000
--- a/addons/frag/functions/fnc_frag_trace.sqf
+++ /dev/null
@@ -1,10 +0,0 @@
-#include "script_component.hpp"
-
-private ["_params", "_shell"];
-_params = _this select 0;
-_shell = _params select 0;
-if(alive _shell) then {
-    drop ["\Ca\Data\Cl_basic","","Billboard",1,30,(getPos _shell),[0,0,0],1,1.275,1.0,0.0,[0.5],[[0,1,0,1]],[0],0.0,2.0,"","",""];
-} else {
-    [_this select 1] call cba_fnc_removePerFrameHandler;
-};
\ No newline at end of file
diff --git a/addons/frag/functions/fnc_frago.sqf b/addons/frag/functions/fnc_frago.sqf
index a396de04e8..de7c6986d9 100644
--- a/addons/frag/functions/fnc_frago.sqf
+++ b/addons/frag/functions/fnc_frago.sqf
@@ -14,7 +14,7 @@ private ["_round", "_lastPos", "_lastVel", "_shellType", "_gun", "_fragTypes", "
     "_manObjects", "_objects", "_crew", "_fragCount", "_fragArcs", "_doRandom", "_target", "_boundingBox",
     "_targetPos", "_distance", "_add", "_bbX", "_bbY", "_bbZ", "_cubic", "_targetVel", "_baseVec", "_dir",
     "_currentCount", "_count", "_vecVar", "_i", "_vec", "_fp", "_vel", "_fragType", "_fragObj", "_randomCount",
-    "_sectorSize", "_sectorOffset", "_randomDir"];
+    "_sectorSize", "_sectorOffset", "_randomDir", "_endTime"];
 
 
 _round = _this select 0;
@@ -159,11 +159,7 @@ if(_isArmed && (count _objects) > 0) then {
                             _vec set[2, (_vec select 2)-(_vecVar/2)+(random _vecVar)];
 
                             _fp = (_fragPower-(random (_fragPowerRandom)));
-                            _vel = [
-                                    (_vec select 0)*_fp,
-                                    (_vec select 1)*_fp,
-                                    (_vec select 2)*_fp
-                                ];
+                            _vel = _vec vectorMultiply _fp;
 
                             _fragType = round (random ((count _fragTypes)-1));
                             _fragObj = (_fragTypes select _fragType) createVehicleLocal [0,0,10000];
@@ -198,14 +194,10 @@ if(_isArmed && (count _objects) > 0) then {
             _sectorOffset = 360 * (_i - 1) / (_randomCount max 1);
             _randomDir = random(_sectorSize);
             _vec = [cos(_sectorOffset + _randomDir), sin(_sectorOffset + _randomDir), sin(30 - (random 45))];
-
+            
             _fp = (_fragPower-(random (_fragPowerRandom)));
-
-            _vel = [
-                    (_vec select 0)*_fp,
-                    (_vec select 1)*_fp,
-                    (_vec select 2)*_fp
-                ];
+            
+            _vel = _vec vectorMultiply _fp;
 
             _fragType = round (random ((count _fragTypes)-1));
             _fragObj = (_fragTypes select _fragType) createVehicleLocal [0,0,10000];
diff --git a/addons/frag/functions/fnc_spallHP.sqf b/addons/frag/functions/fnc_spallHP.sqf
index fb894be499..5e3719cb47 100644
--- a/addons/frag/functions/fnc_spallHP.sqf
+++ b/addons/frag/functions/fnc_spallHP.sqf
@@ -1,15 +1,15 @@
 #include "script_component.hpp"
 
-private ["_initialData", "_currentCount", "_hpData", "_round", "_hpRound"];
+private ["_initialData", "_hpData", "_round", "_hpRound", "_hpDirect"];
 //player sideChat format["f: %1 c: %2", (_this select 0), (count GVAR(spallHPData))];
-if((_this select 0) <= (count GVAR(spallHPData))) then {
+
+if ((_this select 0) <= (count GVAR(spallHPData))) then {
     _initialData = GVAR(spallHPData) select (_this select 0);
-    if(!isNil "_initialData") then {
+    if (!isNil "_initialData") then {
         _hpRound = ((_this select 1) select 0) select 2;
         _round = _initialData select 3;
         _hpDirect = ((_this select 1) select 0) select 10;
-        if(_hpDirect && {_round == _hpRound}) then {
-            
+        if (_hpDirect && {_round == _hpRound}) then {
             {
                 _hpData =  _x;
                 _round = _initialData select 3;
@@ -26,4 +26,4 @@ if((_this select 0) <= (count GVAR(spallHPData))) then {
             } forEach (_this select 1);
         };
     };
-};
\ No newline at end of file
+};
diff --git a/addons/frag/functions/fnc_spallTrack.sqf b/addons/frag/functions/fnc_spallTrack.sqf
index a264e1ded9..4b7a06bc65 100644
--- a/addons/frag/functions/fnc_spallTrack.sqf
+++ b/addons/frag/functions/fnc_spallTrack.sqf
@@ -1,30 +1,22 @@
 //fnc_spallTrack.sqf
 #include "script_component.hpp"
-private ["_params", "_round", "_multiplier", "_delta", "_curPos", "_velocity", "_velocityStep", "_forwardPos", "_intersectsWith", "_index", "_i", "_test", "_hpId", "_data"];
-// setAccTime 0;
+
+private ["_round", "_multiplier", "_foundObjects", "_foundObjectHPIds", "_delta", "_curPos", "_velocity", "_velocityStep", "_forwardPos", "_intersectsWith", "_index", "_hpId", "_data"];
 _round = _this select 0;
 _multiplier = _this select 1;
 _foundObjects = _this select 2;
 _foundObjectHPIds = _this select 3;
 
-_delta = (1/diag_fps)*_multiplier;
+_delta = (1/diag_fps) * _multiplier;
 _curPos = getPosASL _round;
 _velocity = velocity _round;
 
-_velocityStep = [
-                (_velocity select 0)*_delta,
-                (_velocity select 1)*_delta,
-                (_velocity select 2)*_delta
-            ];
-_forwardPos = [
-                (_curPos select 0) + (_velocityStep select 0),
-                (_curPos select 1) + (_velocityStep select 1),
-                (_curPos select 2) + (_velocityStep select 2)
-            ];
-            
+_velocityStep = _velocity vectorMultiply _delta;
+_forwardPos = _curPos vectorAdd _velocityStep;
+
 _intersectsWith = lineIntersectsWith [_curPos, _forwardPos];
 
-if(count _intersectsWith > 0) then {
+if (count _intersectsWith > 0) then {
     // player sideChat format["inter: %1", _intersectsWith];
     {
         if(!(_x in _foundObjects)) then {
@@ -37,4 +29,4 @@ if(count _intersectsWith > 0) then {
             GVAR(spallHPData) set[_index, _data];
         };
     } forEach _intersectsWith;
-};
\ No newline at end of file
+};
diff --git a/addons/frag/functions/fnc_trackFragRound.sqf b/addons/frag/functions/fnc_trackFragRound.sqf
index 4358448188..8db68c99e8 100644
--- a/addons/frag/functions/fnc_trackFragRound.sqf
+++ b/addons/frag/functions/fnc_trackFragRound.sqf
@@ -1,6 +1,6 @@
 //fnc_trackFragRound.sqf
 #include "script_component.hpp"
-private ["_params", "_round", "_lastPos", "_lastVel", "_type", "_time", "_doSpall", "_skip", "_explosive", "_indirectRange", "_force", "_fragPower"];
+private ["_params", "_round", "_lastPos", "_lastVel", "_type", "_time", "_doSpall", "_spallTrack", "_foundObjectHPIds", "_skip", "_explosive", "_indirectRange", "_force", "_fragPower"];
 _params = _this select 0;
 _round = _params select 0;
 _lastPos = _params select 1;
diff --git a/addons/frag/functions/fnc_trackTrace.sqf b/addons/frag/functions/fnc_trackTrace.sqf
index b0f3f06633..205292a820 100644
--- a/addons/frag/functions/fnc_trackTrace.sqf
+++ b/addons/frag/functions/fnc_trackTrace.sqf
@@ -1,14 +1,14 @@
 #include "script_component.hpp"
+
+private ["_params", "_tracerObj", "_index", "_positions"];
 _params = _this select 0;
 _tracerObj = _params select 0;
 _index = _params select 1;
 
-if(alive _tracerObj && (count GVAR(traces)) > 0) then {
+if (alive _tracerObj && (count GVAR(traces)) > 0) then {
     _data = GVAR(traces) select _index;
     _positions = _data select 4;
-    _objVel = velocity _tracerObj;
-    _objTVel = sqrt((_objVel select 0)^2 + (_objVel select 1)^2 + (_objVel select 2)^2);
-    _positions set[(count _positions), [(getPos _tracerObj), _objTVel]];
+    _positions set[(count _positions), [(getPos _tracerObj), vectorMagnitude (velocity _tracerObj)]];
 } else {
     [(_this select 1)] call cba_fnc_removePerFrameHandler;
-};        
\ No newline at end of file
+};
diff --git a/addons/frag/functions/fnc_vectorDiffFast.sqf b/addons/frag/functions/fnc_vectorDiffFast.sqf
deleted file mode 100644
index 0a41860727..0000000000
--- a/addons/frag/functions/fnc_vectorDiffFast.sqf
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "script_component.hpp"
-private["_p1","_p2","_return"];
-
-_p1 = _this select 0;
-_p2 = _this select 1;
-
-if ((count _p1) != (count _p2)) then {textLogFormat ["BIS_FNC Error: vectors not of same size"]};
-
-_return = [];
-
-{
-  _return set[_forEachIndex, (_p2 select _forEachIndex) - _x];
-} forEach _p1;
-
-_return