m[1][0] = sinTheta
m[1][1] = cosTheta
return m
def mat_pt_list(m, ptList):
""" transform the entire ptList
"""
return [mat_vec(m, v) for v in ptList]
"""
Begin testing ...
"""
width = 800
height = 600
td.create_plot(width, height, True)
pts, sizes, colors = getMyFace()
td.plot_points(pts, sizes, colors)
input("A: Show the basic plot, <CR> to continue")
input("\nB: Mat_Mat Test: Scale first then rotate in 30 steps")
for i in range(0, 60, 2):
td.clear_plot(True)
r = rotate_mat(i)
sx = 1 + i/2 * 0.01
sy = 1 - 0.01 * i/2
s = scale_mat(sx, sy)
print(f" scale: ({sx:3.2f}, {sy:3.2f}) then rotate:{i:2}")
cm = mat_mat(r, s)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
import sys
sys.path.append('./Lib') # this is where all the library files are
import math
import turtle_draw as td
import MyFace as mf
""" Matrix Utilities
"""
def dot_vector(v1, v2):
return sum(a * b for a, b in zip(v1, v2))
""" Begin drawing
"""
print()
print("Simple face plot with axis")
w = 800
h = 600
td.create_plot(w, h, True) # show the axis
ptList, sizeList, colorList = mf.getMyFace()
td.plot_points(ptList, sizeList, colorList)
def f(x, y):
print("Left Mouse click: x, y)")
td.turtle_draw_mouse_click(f, 1)