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The spiral1 pattern creates a spiral that winds around the z-axis similar to a screw. When viewed
sliced in the x-y plane, it looks like the spiral arms of a galaxy. Its syntax is:
pigment
{
spiral1 Number_of_Arms
[PIGMENT_MODIFIERS...]
}
The Number_of_Arms value determines how may arms are winding around the z-axis.
As a normal pattern, the syntax is
normal
{
spiral1 Number_of_Arms [, Bump_Size]
[NORMAL_MODIFIERS...]
}
where the Number_of_Arms value is a required parameter but the float Bump_Size
which follows is optional.
Note: the comma is required especially if Bump_Size is negative.
The pattern uses the triangle_wave wave type by default but may use any wave type.
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