A multi-frequency normal map is basically just a map composed of multiple detail levels. Each detail level gets preprocessed by a low-pass filter to sample the normal vectors in descending frequency ranges and then combined to a single normal map.
There are various way to make a seamlessly tiled texture. In this tutorial we use Map Lab's Random Stitching mode to synthesize a complete new texture from an arbitary input texture.
In this tutorial you learn how to make a basic ember material with a DX11 Tessellation shader.
Sycoforge Technology is the plug-in publishing arm of the Sycoforge Game Studio.