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Action:
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Determines if a Scheme object is a planar face.
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Filename:
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kern/kern_scm/qfac_scm.cxx
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Syntax:
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(face:planar? object)
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Arg Types:
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object
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scheme-object
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Returns:
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boolean
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Description:
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This extension returns #t if the specified object is a planar face.
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object specifies the
scheme-object that has to be queried for a planar face.
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Example:
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; face:planar?
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; Create a solid block.
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(define block1
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(solid:block (position -10 -10 0)
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(position 25 25 25)))
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;; block1
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; Get a list of the solid block's faces.
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(define faces1 (entity:faces block1))
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;; faces1
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; Determine if one of these faces is
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; actually a planar face.
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(face:planar? (car (cdr (cdr faces1))))
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;; #t
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