theata1
theata2
turtle
x
y
theata
r
x0
y0
ratio
turtle
ratio
=
50
x0
=
-150
y0
=
0
turtle
up
turtle
x0, y0
turtle
down
degree
0, 361, 1
theata
=
math.radians(degree)
x
=
theata
y
=
math.sin(theata)
turtle
x0 + x * ratio, y0 + y * ratio
[]