In 3D model converter v3.0, we introduced a few more features namely opacity, blending and shader. We believe that these features will help create more realistic 3D effects in Layar. In this tutorial, we demonstrate a few cases where these features can be used. Please NOTE that these effects are only supported on Layar client v6.0 or above.
1. Opacity
The material color transparency can be changed using Opacity field. The Opacity value embedded in .obj/.mtl files will be prefilled if it is present. By default, the value is 1. It helps to reduce 3D model size since you can use material color to create transparent effect instead of using textures.
<screenshots_opacity>
2. Blending
when blending is enabled, it means that color value of this material is blended with the color of any other objects that are rendered behind it. If it is disabled, it means the objects that are rendered behind it are hidden from view.
3. Shader
The shader feature is provided for people who want to control the lighting effects themselves instead of relying on the standard lighting from the AR view. In this case, the developer can bake lighting effects into textures in the 3D modeling software. In the 3D model converter, they can choose "nolighting". This will disable the standard lighting effect in the AR view offered by the Layar client.
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