digital literacy for everyone
[lit][generate-title]
[lit]
fig is a multi-purpose educational language-- originally designed to offer 16 colours in the term window or vt, with a compatible 16-colour palette in a graphics window.
[img]best.fig.png[img]
[fig]
# 2019 mn
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
###################################################
r : 20
c
x : 160 : divby 2
y : 32 : divby 2
for p -3.14 3.14 .628 #628
for pr -3.14 3.14 .628 #628
dx : p : cos : times r times 2
dy : p : sin : times r
dxr : pr : cos : times r times 2
dyr : pr : sin : times r
z : c : plus 1 : swap z c
xx : x : plus 5 : plus dx : int
yy : y : plus 5 : plus dy : int
x2 : x : plus 5 : plus dxr : int
y2 : y : plus 5 : plus dyr : int
cc : c : mod 5 : plus 10
z : line xx yy x2 y2 cc
z : sleep .005
next
next
z : lineinput
############
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