public void setShadowMapTexture(ATexture shadowMapTexture) {
   mMaterialPlugin.setShadowMapTexture(shadowMapTexture);
 }
 @Override
 public void applyParams() {
   super.applyParams();
   mMaterialPlugin.setLightModelViewProjectionMatrix(mVertexShader.getLightViewProjectionMatrix());
   mMaterialPlugin.setLightDirection(mLight.getDirectionVector());
 }
 public void setShadowInfluence(float influence) {
   mMaterialPlugin.setShadowInfluence(influence);
 }