Renderbump (Material global keyword)

Description

Defines the parameters for use with the renderbump console command.

In the global section of your material shader type…

renderbump [-size <width> <height>] [-aa <aa_value>] [-trace <trace_value>] [-colormap] <image> <model>

<image> - File system path to write the image(s) to, relative to base directory (e.g. “models/mapobjects/crate.tga”).
<model> - The high polygon model to capture normal map data from.
[-size <width> <height>] - Specifies dimensions of the rendered image(s) with <width> and <height> (image dimensions should be specified in powers of two, e.g. “128”). If not specified, <width> and <height> default to 256.
[-aa <aa_value>] - The amount of antialiasing applied to the normal map (e.g. “0”, “1”, or “2”).
[-trace <trace_value>] - The distance from the low poly geometry to begin the raytrace. This is a normalized value, from 0.01 to 1.0. Renderbump performance suffers as this value is increased.
[-colormap] - In addition to rendering a bump map, a color map will be produced corresponding to the color of the high poly geometry. The image will be written to the file specified in <image> with “_color” appended to the filename (e.g. “models/mapobjects/crate_color.tga”).

This command also applies smoothing to the surface of the low poly model.