def mat_test(steps, fx, fy, mat_func):
for d in range(steps):
td.clear_plot(True)
dx = fx(d, delta)
dy = fy(d, delta)
print(f" by ({dx:2.4f}, {dy:2.4f})")
m = mat_func(dx, dy)
td.plot_points(xform_pt_list(m, myface_pt_list()), sizes, colors)
input("\n<CR> to continue")
def myFunc(x, y):
tm = trans_mat(x, y)
a = xform_pt_list(tm, pts)
td.clear_plot()
draw_pts(a)
wave(0, -45, -5, tm)
wave(-45, 45, 5, tm)
shrink(1, 11, lambda s: 1 + s / 20, tm)
shrink(1, 11, lambda s: 1.5 - s / 10, tm)
def funny_face(x, y):
for r in range(0, -45, -5):
td.clear_plot(True)
rm = rotate_mat(r)
t = trans_mat(x, y)
cm = mat_mat(t, rm)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
for r in range(-45, 45, 5):
td.clear_plot(True)
rm = rotate_mat(r)
t = trans_mat(x, y)
cm = mat_mat(t, rm)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
for s in range(1, 11):
td.clear_plot(True)
scale = 1 + s/20
sm = scale_mat(scale, scale)
t = trans_mat(x, y)
cm = mat_mat(t, sm)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
for s in range(1, 11):
td.clear_plot(True)
scale = 1.5 - s / 10
sm = scale_mat(scale, scale)
t = trans_mat(x, y)
cm = mat_mat(t, sm)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
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)
input("\n<CR> to continue")
print("C: Mat_Mat Test: Rotate first then Scale 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
def lmb(x, y):
print(f'Rotate first: Left mouse click at: {x:4.2f} and {y:4.2f}')
td.clear_plot(True)
tm = trans_mat(x, y)
cm = mat_mat(tm, r)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
def rmb(x, y):
print(f'Translate first: Right mouse click at: {x:4.2f} and {y:4.2f}')
td.clear_plot(True)
tm = trans_mat(x, y)
cm = mat_mat(r, tm)
td.plot_points(mat_pt_list(cm, myface_pt_list()), sizes, colors)
def draw_at(x, y):
print(f'Left mouse click at: {x:4.2f} and {y:4.2f}')
td.clear_plot()
t = trans_mat(x, y)
newpts = mat_pt_list(t, ptList)
td.plot_points(newpts, sizeList, colorList)
def draw_pts(p):
td.clear_plot(True)
td.plot_points(p, sizes, colors)