ImageBackground node, Android SDK version bump to 28, Andrzej articles about monotoni

[DP News-Robot]

We have implemented a new X3D node ImageBackground (see the documentation). It allows to define a background using a simple image, and may be useful to view3dscene users. Demos are inside demo-models: background/background_image.x3dv, background/background_image_partial.x3dv, background/background_image_animated.x3d . It is compatible with InstantReality. Note that programmers using Castle Game Engine have already more powerful ways of defining …