# original example ported from cdt_test.c: concave polygon
init 0 0 10000 10000

ins_point 2000 4000
ins_point 3000 3500
ins_point 4000 4000
ins_point 4000 2000
ins_point 2000 2000

dump_anim concave1.anim
print 1

ins_point p1 3000 3000
dump_anim concave2.anim
print 2

del_point p1
dump_anim concave3.anim
print 3

free
