RotationLine.py

import matplotlib.pyplot as plt
import math

ax = plt.axes()
ax.set_facecolor('white') 

print()

print("Enter coordinates of x1 and y1: ")
x1 = int(input("Enter x1: "))
y1 = int(input("Enter y1: "))

print()

print("Enter coordinates of x2 and y2: ")
x2 = int(input("Enter x2: "))
y2 = int(input("Enter y2: "))

print()

print("Enter coordinates of x3 and y3: ")
x3 = int(input("Enter x3: "))
y3 = int(input("Enter y3: "))

print()

print("Enter coordinates of x4 and y4: ")
x4 = int(input("Enter x4: "))
y4 = int(input("Enter y4: "))

print()

x = [x1, x2, x3, x4, x1]
y = [y1, y2, y3, y4, y1]

plt.plot(x,y,color = '#1495FF', label = "Original")                               

angle = float(input("Enter Angle in Degree: "))
angleRadians = math.radians(angle)

c = math.cos(angleRadians)
s = math.sin(angleRadians)

x1_ = x1 * c - y1 * s
y1_ = x1 * s + y1 * s

x2_ = x2 * c - y2 * s
y2_ = x2 * c + y2 * s

x3_ = x3 * c - y3 * s
y3_ = x3 * s + y3 * s

x4_ = x4 * c - y4 * s
y4_ = x4 * c + y4 * s

x_ = [x1_, x2_, x3_,x4_, x1_]
y_ = [y1_, y2_, y3_,y4_, y1_]

plt.plot(x_,y_,color = '#FF552F', label = "Rotated")

plt.legend()

plt.show()