Arma3_Exile/AdvancedSlingLoading
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Fixing sling load attachment points

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sethduda
2016-06-24 21:01:17 -04:00
parent a0977d086e
commit 7a7e0b22ad
1 changed files with 35 additions and 4 deletions
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39
addons/SA_AdvancedSlingLoading/functions/fn_advancedSlingLoadingInit.sqf
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@ -28,6 +28,11 @@ ASL_Rope_Get_Lift_Capability = {
_slingLoadMaxCargoMass; _slingLoadMaxCargoMass;
}; };
ASL_SLING_LOAD_POINT_CLASS_HEIGHT_OFFSET = [
["All", [-0.05, -0.05, -0.05]],
["CUP_B_CH47F_USA", [-0.05, -2, -0.05]]
];
ASL_Get_Sling_Load_Points = { ASL_Get_Sling_Load_Points = {
params ["_vehicle"]; params ["_vehicle"];
private ["_slingLoadPointsArray","_cornerPoints","_rearCenterPoint","_vehicleUnitVectorUp"]; private ["_slingLoadPointsArray","_cornerPoints","_rearCenterPoint","_vehicleUnitVectorUp"];
@ -41,13 +46,39 @@ ASL_Get_Sling_Load_Points = {
_middleCenterPoint = ((_frontCenterPoint vectorDiff _rearCenterPoint) vectorMultiply 0.5) vectorAdd _rearCenterPoint; _middleCenterPoint = ((_frontCenterPoint vectorDiff _rearCenterPoint) vectorMultiply 0.5) vectorAdd _rearCenterPoint;
_vehicleUnitVectorUp = vectorNormalized (vectorUp _vehicle); _vehicleUnitVectorUp = vectorNormalized (vectorUp _vehicle);
_slingLoadPointHeightOffset = 0;
{
if(_vehicle isKindOf (_x select 0)) then {
_slingLoadPointHeightOffset = (_x select 1);
};
} forEach ASL_SLING_LOAD_POINT_CLASS_HEIGHT_OFFSET;
_slingLoadPoints = []; _slingLoadPoints = [];
{ {
_modelPoint = _x; _modelPoint = _x;
_modelPointASL = AGLToASL (_vehicle modelToWorldVisual _modelPoint); _modelPointASL = AGLToASL (_vehicle modelToWorldVisual _modelPoint);
_surfaceIntersectStartASL = _modelPointASL vectorAdd ( _vehicleUnitVectorUp vectorMultiply 5 ); _surfaceIntersectStartASL = _modelPointASL vectorAdd ( _vehicleUnitVectorUp vectorMultiply -5 );
_surfaceIntersectEndASL = _modelPointASL vectorAdd ( _vehicleUnitVectorUp vectorMultiply -5 ); _surfaceIntersectEndASL = _modelPointASL vectorAdd ( _vehicleUnitVectorUp vectorMultiply 5 );
_surfaces = lineIntersectsSurfaces [_surfaceIntersectStartASL, _surfaceIntersectEndASL, objNull, objNull, false, 100];
// Determine if the surface intersection line crosses below ground level
// If if does, move surfaceIntersectStartASL above ground level (lineIntersectsSurfaces
// doesn't work if starting below ground level for some reason
// See: https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection
_la = ASLToAGL _surfaceIntersectStartASL;
_lb = ASLToAGL _surfaceIntersectEndASL;
if(_la select 2 < 0 && _lb select 2 > 0) then {
_n = [0,0,1];
_p0 = [0,0,0];
_l = (_la vectorFromTo _lb);
if((_l vectorDotProduct _n) != 0) then {
_d = ( ( _p0 vectorAdd ( _la vectorMultiply -1 ) ) vectorDotProduct _n ) / (_l vectorDotProduct _n);
_surfaceIntersectStartASL = AGLToASL ((_l vectorMultiply _d) vectorAdd _la);
};
};
_surfaces = lineIntersectsSurfaces [_surfaceIntersectStartASL, _surfaceIntersectEndASL, objNull, objNull, true, 100];
_intersectionASL = []; _intersectionASL = [];
{ {
_intersectionObject = _x select 2; _intersectionObject = _x select 2;
@ -56,7 +87,7 @@ ASL_Get_Sling_Load_Points = {
}; };
} forEach _surfaces; } forEach _surfaces;
if(count _intersectionASL > 0) then { if(count _intersectionASL > 0) then {
_intersectionASL = _intersectionASL vectorAdd (( _surfaceIntersectStartASL vectorFromTo _surfaceIntersectEndASL ) vectorMultiply 0.2); _intersectionASL = _intersectionASL vectorAdd (( _surfaceIntersectStartASL vectorFromTo _surfaceIntersectEndASL ) vectorMultiply (_slingLoadPointHeightOffset select (count _slingLoadPoints)));
_slingLoadPoints pushBack (_vehicle worldToModelVisual (ASLToAGL _intersectionASL)); _slingLoadPoints pushBack (_vehicle worldToModelVisual (ASLToAGL _intersectionASL));
} else { } else {
_slingLoadPoints pushBack []; _slingLoadPoints pushBack [];