You can easily query whether the scene or shape was (potentially, at least partially) visible in the last rendering event. This accounts for both frustum culling and occlusion culling. Use , for this. Demo is in examples/viewport_and_scenes/test_was_visible. See forum thread for history behind this feature. You can use TCastleRenderOptions.RobustNegativeScale to make lighting work correctly even …

In both glTF and X3D we implement now a feature to “emphasize / deemphasize normal map”. In glTF this is in material.normalTextureInfo.scale, in X3D this is in normalScale parameter of Material or PhysicalMaterial. The intuitive meaning of it is: value = 1 is the default, regular bump mapping behavior. values < 1 make normal map …

I was playing with latest FreeBSD (after listening to an excellent talk about the troubles with FreeBSD which nicely discusses non-technical problems in large open-source volunteer-led project). Naturally, I tested Castle Game Engine on FreeBSD and it works flawlessly 🙂 I made a release of current CGE for FreeBSD. This was done just by cd …