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Optimised Rotate3d

Faguss Oct 18th, 2016 54 Never
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  1. private ["_vehicle", "_dir", "_pos", "_yaw", "_bank", "_pitch", "_side", "_y", "_z", "_xy", "_xz", "_yz", "_yx", "_zx", "_zy"];
  2.    
  3.    
  4.     _vehicle = _this select 0;
  5.     _dir     = getDir2 _vehicle;
  6.     _pos     = getPosASL _vehicle;
  7.    
  8.     //_yaw   = getdir _vehicle;
  9.     //_yaw   = -_yaw;
  10.     //_bank1     = (vehicle player) call GetBank;
  11.     //_pitch1   = (vehicle player) call GetPitch;
  12.  
  13.     _yaw     = -(_dir select 0);
  14.     _bank    = _dir select 1;
  15.     _pitch   = _dir select 2;
  16.    
  17.     //player globalchat format ["%1 %2  %3  %4", _pitch1, _pitch, abs (_pitch1 - _pitch),DUPA];
  18.     //if (abs (_pitch1 - _pitch) > DUPA && abs (_pitch1 - _pitch) < 900 ) then {DUPA=abs (_pitch1 - _pitch)};
  19.    
  20.     //player globalchat format ["%1 %2  %3", _bank1, _bank, abs (_bank1 - _bank)];
  21.     //if (abs (_bank1 - _bank) > DUPA && abs (_bank1 - _bank) < 900 ) then {DUPA=abs (_bank1 - _bank)};
  22.    
  23.    
  24.     _side    = _this select 1;
  25.     _forward = _this select 2;
  26.     _up      = _this select 3;
  27.  
  28.  
  29.  
  30.     // Rotation around the bank
  31.     _Z  = cos(_bank)*_up - sin(_bank)*_side;
  32.    
  33.     // Rotation around the pitch
  34.     _xy = cos(_pitch)*_forward - sin(_pitch)*_Z;
  35.     _Z  = sin(_pitch)*_forward + cos(_pitch)*_Z;
  36.      
  37.     // Rotation around the bank
  38.     _X = sin(_bank)*_up + cos(_bank)*_side;
  39.  
  40.     // Rotation around the yaw 
  41.     _Y  = sin(_yaw)*_X + cos(_yaw)*_xy;
  42.     _X  = cos(_yaw)*_X - sin(_yaw)*_xy;
  43.    
  44.     [
  45.         (_pos select 0) + _X,
  46.         (_pos select 1) + _Y,
  47.         (_pos select 2) + _Z
  48.     ]
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