The Checker texture procedure applies a colored checkerboard pattern to the shader.
Argument Name | Absolute Range | Useful Range | Default | Description |
contrast | -1.0, 1.0 | -1.0, 1.0 | 1.0 | Contrast for the checker pattern |
color1 (triple) | 0, infinity | 0.0, 255.0 | 0,0,0 | Color of one set of checker squares. |
color2 (triple) | 0, infinity | 0.0, 255.0 | 0.0 | Color of other set of checker squares. |
urepeat | -infinity, infinity | -10.0, 10.0 | 1.0 | # of copies in u direction within coverage area. |
vrepeat | -infinity, infinity | -10.0, 10.0 | 1.0 | # of copies in v direction within coverage area. |
uoffset | -infinity, infinity | -1.0, 1.0 | 0.0 | U offset repeat within coverage area |
voffset | -infinity, infinity | -1.0, 1.0 | 0.0 | V offset repeat within coverage area |
ucoverage | -infinity, infinity | 0.0, 1.0 | 1.0 | amount of U surface to be textured |
vcoverage | -infinity, infinity | 0.0, 1.0 | 1.0 | amount of V surface to be textured |
utranslate | -infinity, infinity | -1.0, 1.0 | 0.0 | amount of U coverage area to be moved. |
vtranslate | -infinity, infinity | -1.0, 1.0 | 0.0 | amount of V coverage area to be moved. |
uwrap | TRUE FALSE | TRUE | flag to wrap texture around U boundaries of coverage area. | |
vwrap | TRUE FALSE | TRUE | flag to wrap texture around U boundaries of coverage area. | |
worldspace | TRUE FALSE | FALSE | flag to use world space texture mapping | |
rotate | -infinity, infinity | -360.0, 360.0 | 0.0 | angle coverage area to be rotated |
mirror | TRUE FALSE | FALSE | flag to match edges of texture |
“Checker” is a parametric texture.