26.8.5 Arbitrary quadrilaterals in the plane
See Section
27.7.5
for quadrilaterals in space.
The
quadrilateral
creates arbitrary quadrilaterals.
quadrilateral
takes four arguments:
A
,
B
,
C
,
D
, four points.
quadrilateral(
A
,
B
,
C
,
D
)
returns and draws the quadrilateral
ABCD
.
Example
quadrilateral
(-
i
,1,2/3+
i
,-1+2*
i
)
