text: //
  //  ConstraintMover.cpp
  //
  #include "ConstraintMover.h"
  
  /*
  ====================================================
  ConstraintMoverSimple::PreSolve
  ====================================================
  */
  void ConstraintMoverSimple::PreSolve( const float dt_sec ) {
  	m_time += dt_sec;
  	m_bodyA->m_linearVelocity.y = cosf( m_time * 0.25f ) * 4.0f;
  }