Dragging graphics vertically/horizontally

A demo of interactive graphics-driven assignments with vertical/horizontal dragging.

• Features

  • Graphics-driven assignments

  • Horizontal/vertical dragging

  • Inverse assignments

• Try me

  • Try dragging the corners

  • Try dragging the edges

from pyquibbler import iquib, initialize_quibbler, q
initialize_quibbler()
import matplotlib.pyplot as plt
import numpy as np
%matplotlib tk

# Figure setup and graphic properties
plt.figure(figsize=(4, 4))
plt.axis('square')
plt.axis([-4, 10, -1, 11])

# Define x-y coordinates
x0 = iquib(0.)
x1 = iquib(6.)
x2 = iquib(6.)
y = 8.

# Plot parallelogram
plt.plot([x0, x2 - x1 + x0, x2 + x0, x1 + x0, x0], [0, y, y, 0, 0], 'k:D', linewidth=2);