@Override
    public void onAnalog(String name, float value, float tpf) {
        if (name.equals("incr-factor")) {
            bloom.setGlowFactor(bloom.getGlowFactor()+factorRate*tpf);
        } else if (name.equals("decr-factor")) {
            bloom.setGlowFactor(bloom.getGlowFactor()-factorRate*tpf);
        } else if (name.equals("incr-power")) {
            emissionPower += 10f*tpf;
            updateTankMaterial();
        } else if (name.equals("decr-power")) {
            emissionPower -= 10f*tpf;
            updateTankMaterial();
        } else if (name.equals("incr-intensity")) {
            emissionIntensity += 10f*tpf;
            updateTankMaterial();
        } else if (name.equals("decr-intensity")) {
            emissionIntensity -= 10f*tpf;
            updateTankMaterial();
        }
        updateHud();
    }
Tests {@link SoftBloomFilter} with HDR.
<p>
Note: the camera is pointed directly at the ground, which is completely
black for some reason.

@author codex
jme3-examples/src/main/java/jme3test/post/TestSoftBloom.java