private void verifyDefaults(CrossHatchFilter filter) {
        Assert.assertEquals(0.8f, filter.getColorInfluenceLine(), 0f);
        Assert.assertEquals(0.1f, filter.getColorInfluencePaper(), 0f);
        Assert.assertEquals(0.9f, filter.getFillValue(), 0f);
        Assert.assertEquals(ColorRGBA.Black, filter.getLineColor());
        Assert.assertEquals(4f, filter.getLineDistance(), 0f);
        Assert.assertEquals(1f, filter.getLineThickness(), 0f);
        Assert.assertEquals(0.9f, filter.getLuminance1(), 0f);
        Assert.assertEquals(0.7f, filter.getLuminance2(), 0f);
        Assert.assertEquals(0.5f, filter.getLuminance3(), 0f);
        Assert.assertEquals(0.3f, filter.getLuminance4(), 0f);
        Assert.assertEquals(0f, filter.getLuminance5(), 0f);
        Assert.assertEquals("CrossHatchFilter", filter.getName());
        Assert.assertEquals(ColorRGBA.White, filter.getPaperColor());
        Assert.assertTrue(filter.isEnabled());
    }
Verify some default values of a newly instantiated
{@code CrossHatchFilter}.

@param filter (not null, unaffected)
jme3-effects/src/test/java/com/jme3/post/filters/CrossHatchFilterTest.java