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import matplotlib.pyplot as plt
import numpy as np

x, y = 0.0, 0.0
angle = 90
x_cord = [x]
y_cord = [y]
down = True
cur_col = 'black'
segm = []
def f(dist):
    global x, y, angle, x_cord, y_cord, down, segm
    x_prev, y_prev = x, y
    rad = np.deg2rad(angle)
    x += dist * (np.cos(rad))
    y += dist * (np.sin(rad))

    x_cord.append(x)
    y_cord.append(y)
    if down:
        segm.append({
            'x': [x_prev, x],
            'y': [y_prev, y],
            'col': cur_col
        })

def r(degrees):
    global angle
    angle -= degrees

def u():
    global down
    down = False
def d():
    global down
    down = True

def c(new_col):
    global cur_col
    cur_col = new_col





s = 'f100 r120 ' * 3

for i in s.split():
    if i[0] == 'f':
        f(int(i[1:]))
    if i[0] == 'r':
        r(int(i[1:]))
    if i[0] == 'd':
        d()
    if i[0] == 'u':
        u()
    if i[0] == 'c':
        c(i[1:])

for s in segm:
    plt.plot(s['x'], s['y'], color =s['col'])
plt.grid(True)
plt.axis('equal')
plt.show()
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