glUniform4f(glGetUniformLocation(progId, "material.specular"), specular.r, specular.g, specular.b, specular.a);
glUniform1f(glGetUniformLocation(progId, "material.shininess"), shininess);
glUniform1f(glGetUniformLocation(progId, "material.reflectivity"), reflectivity);
glUniform4f(glGetUniformLocation(progId, "material.specular"), specular.r, specular.g, specular.b, specular.a);
glUniform1f(glGetUniformLocation(progId, "material.shininess"), shininess);
glUniform1f(glGetUniformLocation(progId, "material.reflectivity"), reflectivity);