@Override
    protected Camera getShadowCam(int shadowMapIndex) {
        return shadowCams[shadowMapIndex];
    }
Creates a PointLightShadowRenderer

@param assetManager the application asset manager
@param shadowMapSize the size of the rendered shadowmaps (512,1024,2048,
etc...)
jme3-core/src/main/java/com/jme3/shadow/PointLightShadowRenderer.java