Vehicles/VehicleScripts/WheelSuspensionAnchor.lua

This script moves an anchor point that translates relative to the ingame wheel. Can be helpful while setting up complex suspension systems or just for moving something relative to a wheel but keeping steering ability.

  25  WheelSuspensionAnchor               = WheelSuspensionAnchor or {};

Get the wheel and its anchor from the data table.

  29  function WheelSuspensionAnchor:load(dataTable)
  30      self.wheelSuspensions           = {};
  31  
  32      if dataTable.wheelSuspension ~= nil then
  33          for k, v in pairs(dataTable.wheelSuspension) do
  34              if v.wheel ~= nil and v.wheel ~= "" then
  35                  local suspension            = {};
  36                  suspension.wheel            = getChild(self.id, v.wheel);
  37                  suspension.wheelAnchor      = getChild(self.id, v.wheelAnchor);
  38  
  39                  -- get difference between wheel and anchor location
  40                  local wheelPosition         = VectorUtils.getPosition(suspension.wheel);
  41                  local anchorPosition        = VectorUtils.getPosition(suspension.wheelAnchor);
  42                  suspension.distance         = anchorPosition - wheelPosition;
  43                          
  44                  table.insert(self.wheelSuspensions, suspension);
  45              end;
  46          end;
  47      end;
  48  end;
  49  

Adjust the anchor's position.

  53  function WheelSuspensionAnchor:update(dt)
  54      for k,suspension in pairs(self.wheelSuspensions) do
  55          local wheelPosition         = VectorUtils.getPosition(suspension.wheel);
  56          local anchorPosition        = suspension.distance + wheelPosition;
  57          VectorUtils.setPosition(suspension.wheelAnchor, anchorPosition);
  58      end;
  59  end;

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