@Test
public void testBresenhamVertical()
{

    BresenhamLine.calcPoints(-.5, .5, 1, 0.5, emitter, 0, 0, 0.4, 0.6);
    assertEquals(Helper.createPointList(-0.36, .06, 0.04, 0.06, 0.44, 0.06, 0.84, 0.06), points);
}