@Override
    protected Material getMaterial() {
        material.setFloat("SampleDist", sampleDist);
        material.setFloat("SampleStrength", sampleStrength);
        material.setParam("Samples", VarType.FloatArray, samples);
        return material;
    }
Creates a RadialBlurFilter
@param sampleDist the distance between samples
@param sampleStrength the strength of each sample
jme3-effects/src/main/java/com/jme3/post/filters/RadialBlurFilter.java