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3. Managing Objects and Scenes > Creating manual objects
In this recipe, we'll show you how to create a Mebius mesh with multiple sections, using a ManualObject. We'll also add menu items to our application's user interface, so that the user can change the material used by each section at runtime.
To follow along with this recipe, open the solution located in the Recipes/Chapter03/ManualObject folder in the code bundle available on the Packt website.
- First, we create an MFC Ogre application named
ManualObject. - Next, we create a Mebius mesh with multiple sections using code similar to what we used in the Creating a custom resource manager recipe, from Chapter 1, Delving Deep into Application Design. The
Materialsarray contains the names of all the materials we will be using.Ogre::String Materials[] = { "Examples/SphereMappedRustySteel", "Examples/OgreLogo", "Examples/BeachStones", "Examples/TrippySkyBox", "Examples/SpaceSkyBox", "Examples/DynamicCubeMap", "Examples/RustySteel", "Examples/Chrome", "Examples/WaterStream", "Examples/Flare" };The code for creating the
ManualObjectis very similar to what we have used in previous recipes, except that we set the dynamic property to true, because we intend to change the mesh at runtime.m_MaterialIndex = 0; m_ManualObject = m_SceneManager->createManualObject("stl"); m_ManualObject->setDynamic(true); m_ManualObject->begin(Materials[m_MaterialIndex++], Ogre::RenderOperation::OT_TRIANGLE_LIST);
