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In this tutorial we’ll show you how to assign multiple materials to one object in Blender and export them into Collada format for use in Vanda Engine. Using multiple materials often makes sense in Blender’s workflow, and it’s convenient to be able to export them as is. This can also be used to make different parts of an object have different levels of specularity. Sometimes you may want to select different parts of a single object based on their assigned material, which you can do by disabling Geometry Based Selection in Vanda Engine.
Select the cube and press Tab to enter edit mode.
Press Shift-A, select Cube, and use the Translate Manipulator to drag the newly created cube off of the first one.
In the properties window select the material tab. Click the Diffuse color box and set the color to a red.
Click the plus next to the material list, click new, select only the second cube, and click assign. The second cube should now be a gray. Click the Diffuse color box again and set the color to a blue.
Press tab to exit edit mode. You should now have a red and a blue cube. They are both one object, if you drag or rotate them they will rotate together.
Export the model. Be sure to select Use Material Textures. See Tutorial 1 for more information.
Add “_LOD1” post-fix to your dae file, run Vanda Engine, make sure that you are in Prefab mode (Mode | Prefab) and import the model into Vanda Engine.
When you select the model it will highlight both cubes as one object. Uncheck Modify -> Geometry -> Geometry Based Selection (All Instances).
Now each object will be selected based on material.
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Patrick is an independent game designer interested in absolutely every aspect of making games. He does a little of everything involved in game development and a lot of conceptual design and 3d modelling. He is currently studying computer science and psychology and hopes work in research using games.