#! /usr/bin/python3
# ===================================================================
# Test transformation order
# ===================================================================
#
# translate,rotate
#                            |
#        (-100,100)  *       |       *  (100,100)
#          (rotate)          |          (translate)
#                            |
#                            |
#              --------------+--------------
#                            |
#                            |
#
# -------------------------------------------------------------------
#
# rotate,translate
#                            |
#                            |     * (100,100)
#                            |      (translate)
#                            |
#                            | (0,0) (rotate)
#              --------------+--------------
#                            |
#                            |
#
# ===================================================================

import transformation_matrix as tm

print()
print('----------------------------------')
print('Coords   :  x=0, y=0')
print('Translate:  x=100, y=100')
print('Rotate   :  90 degrees')
print('----------------------------------')

c = [0.0, 0.0, 1.0]

tm1 = tm.get_translation_matrix_2d(100.0, 100.0)

tm2 = tm.get_z_rotation_matrix_2d(90.0)

tm3 = tm2 @ tm1

x = tm3 @ c

print()
print('translate, rotate')
print(x)

tm4 = tm1 @ tm2

x = tm4 @ c

print()
print('rotate, translate')
print(x)