Vehicles/VehicleScripts/PrinothSteering.lua

This script is concepted for the Prinoth Leitwolf. It controlls the alignment of the “steering wheel” levers refering to the current speed.

  25  PrinothSteering                 = PrinothSteering or {};

Loading of Datatable.

  29  function PrinothSteering:load(dataTable)
  30  
  31      if dataTable.PrinothSteering ~= nil then
  32          self.crawlerSpeederLeft         = getChild(self.id, dataTable.PrinothSteering.crawlerSpeederIndexLeft);
  33          self.crawlerSpeederRight        = getChild(self.id, dataTable.PrinothSteering.crawlerSpeederIndexRight);
  34          self.maxThrottleAngle       = dataTable.PrinothSteering.maxThrottleAngle;
  35          self.steeringWheelAngle     = dataTable.PrinothSteering.steeringWheelAngle;
  36          self.steeringWheelAxle      = dataTable.PrinothSteering.steeringWheelAxle;
  37          if dataTable.PrinothSteering.steeringPointLeft ~= nil and dataTable.PrinothSteering.steeringPointRight ~= nil and dataTable.PrinothSteering.steeringHandIkTarget ~= nil then
  38              self.steeringPointLeft      = getChild(self.id, dataTable.PrinothSteering.steeringPointLeft);
  39              self.steeringPointRight     = getChild(self.id, dataTable.PrinothSteering.steeringPointRight);
  40              self.steeringHandIkTarget   = getChild(self.id, dataTable.PrinothSteering.steeringHandIkTarget);
  41          end;
  42      end;
  43  
  44      self.lerpValueForward           = 0;
  45      self.lerpValueDirection         = 0;
  46      self.maxSpeed                   = dataTable.maxSpeed or 40;
  47  end;
  48  
  49  -- updates the position of the "steering wheel" levers
  50  function PrinothSteering:update(dt)
  51      if not self:getIsActive() then
  52          return;
  53      end;
  54  
  55      local steerValue                    = self.steerValue;
  56      self.lerpValueForward               = lerp(0, self.steeringWheelAngle, self.currentSpeed / self.maxSpeed);
  57      self.lerpValueDirection             = lerp(self.lerpValueDirection, self.maxThrottleAngle * steerValue * self.currentSpeed / self.maxSpeed, dt * 10);
  58      
  59      setRotationX(self.crawlerSpeederLeft, math.min(self.steeringWheelAngle, self.lerpValueForward + self.lerpValueDirection));
  60      setRotationX(self.crawlerSpeederRight, math.min(self.steeringWheelAngle, self.lerpValueForward - self.lerpValueDirection));
  61  
  62      if self.steeringWheelAxle == 1 then
  63          setRotationX(self.crawlerSpeederLeft, math.min(self.steeringWheelAngle, self.lerpValueForward + self.lerpValueDirection));
  64          setRotationX(self.crawlerSpeederRight, math.min(self.steeringWheelAngle, self.lerpValueForward - self.lerpValueDirection));
  65  
  66      elseif self.steeringWheelAxle == 2 then
  67          setRotationY(self.crawlerSpeederLeft, math.min(self.steeringWheelAngle, self.lerpValueForward + self.lerpValueDirection));
  68          setRotationY(self.crawlerSpeederRight, math.min(self.steeringWheelAngle, self.lerpValueForward - self.lerpValueDirection));
  69  
  70      else
  71          setRotationZ(self.crawlerSpeederLeft, math.min(self.steeringWheelAngle, self.lerpValueForward + self.lerpValueDirection));
  72          setRotationZ(self.crawlerSpeederRight, math.min(self.steeringWheelAngle, self.lerpValueForward - self.lerpValueDirection));
  73      end;
  74  
  75      if self.steeringPointLeft ~= nil and self.steeringPointRight ~= nil and self.steeringHandIkTarget ~= nil then
  76              local xLeft, yLeft, zLeft           = getWorldPosition(self.steeringPointLeft);
  77              local xRight, yRight, zRight        = getWorldPosition(self.steeringPointRight);
  78  
  79              local xAvg                          = (xLeft + xRight)/2;
  80              local yAvg                          = (yLeft + yRight)/2;
  81              local zAvg                          = (zLeft + zRight)/2;
  82  
  83              setWorldPosition(self.steeringHandIkTarget, xAvg, yAvg, zAvg);
  84  
  85              local rxPointLeft, ryPointLeft, rzPointLeft     = getWorldRotation(self.steeringPointLeft);
  86              local rxPointRight, ryPointRight, rzPointRight  = getWorldRotation(self.steeringPointRight);
  87              if rxPointLeft > 180 then
  88                  rxPointLeft     = rxPointLeft - 360;
  89              end;
  90  
  91              if rxPointRight > 180 then
  92                  rxPointRight        = rxPointRight - 360;
  93              end;
  94              local handRot                                   = rxPointLeft - rxPointRight;
  95              setRotation(self.steeringHandIkTarget, (rxPointLeft + rxPointRight)/2/2, (handRot), 0);
  96      end;
  97  end;

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