Reference:Cubic Pattern
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The cubic
pattern takes six texture elements and maps each one to each of the six pyramids centered at each half-axis, effectively mapping each texture element to each side of a origin-centered cube.
The first group of elements map to the positive half-axis, in the X, Y and Z axes respectively. The same order is applied to the last group of elements, except on the negative half-axis. |
The syntax is:
texture { cubic TEXTURE_ELEMENT_1 ... TEXTURE_ELEMENT_6 }