Ruby-ShortenAttempt

def setSpeedAccel( type, val )
  case type
  when :x, :left, :right ; AccelX = SpeedX = val
  when :y, :up, :down    ; AccelY = SpeedY = val
  end
end

def stopMove( d )
  case d
  when :up
    AccelY = -1 if SpeedY < 0
    setSpeedAccel( :y, 0 )
    stopDir( d )
  when :down
    AccelY = 1 if SpeedY < 0
    setSpeedAccel( :y, 0 )
    stopDir( d )
  when :left
    AccelX = 1 if SpeedX < 0
    setSpeedAccel( :x, 0 )
    stopDir( d )
  when :right
    AccelX = -1 if SpeedX < 0
    setSpeedAccel( :x, 0 )
    stopDir( d )
  end
end

def stopDir( d ) ; @stop_dir[d] = false end