--@include ./constants.txt

require('./constants.txt')

function getLocalVelocity(entity)
    if not entity:isValid() then
        return
    end

    return entity:worldToLocal(entity:getVelocity() + entity:getPos())
end

function calculateWheelInertia(entity)
    if not isValid(entity) then
        return Vector(0)
    end

    return entity:getInertia():setY(0.5 * entity:getMass() * math.pow(entity:getModelRadius() * UNITS_TO_METERS, 2))
end