rootNode.setRenderState(ts); rootNode.updateRenderState();
particleMesh.setRenderState(ts); particleMesh.updateRenderState();
        private void loadApplyTexture() {            TextureState ts = (TextureState)rootNode.getRenderState(RenderState.RS_TEXTURE);            ts.setTexture(                    TextureManager.loadTexture(                            newTexture.getAbsolutePath(),                            Texture.MM_LINEAR,                            Texture.FM_LINEAR));            ts.setEnabled(true);            rootNode.setRenderState(ts);            rootNode.updateRenderState();            newTexture = null;        }