//Create empty versions of the geometry and material so we always have a Renderer
Geometry mesh = Geometry::New();
Shader shader = Shader::New( SIMPLE_VERTEX_SHADER, SIMPLE_FRAGMENT_SHADER, (Shader::ShaderHints)(Shader::HINT_REQUIRES_SELF_DEPTH_TEST | Shader::HINT_MODIFIES_GEOMETRY) );
//Create empty versions of the geometry and material so we always have a Renderer
Geometry mesh = Geometry::New();
Shader shader = Shader::New( SIMPLE_VERTEX_SHADER, SIMPLE_FRAGMENT_SHADER, (Shader::ShaderHints)(Shader::HINT_REQUIRES_SELF_DEPTH_TEST | Shader::HINT_MODIFIES_GEOMETRY) );