graduation-project/util.py

42 lines
1.1 KiB
Python

import cv2
import mediapipe as mp
import math
class Util:
def vector_2d_angle(v1, v2):
'''
求解二维向量的角度
'''
v1_x = v1[0]
v1_y = v1[1]
v2_x = v2[0]
v2_y = v2[1]
try:
angle_ = math.degrees(math.acos(
(v1_x * v2_x + v1_y * v2_y) / (((v1_x ** 2 + v1_y ** 2) ** 0.5) * ((v2_x ** 2 + v2_y ** 2) ** 0.5))))
except:
angle_ = 65535.
if angle_ > 180.:
angle_ = 65535.
return angle_
def is_straight(angle):
return angle < 40
def get_distance(point1, point2):
return math.sqrt((point1[0] - point2[0]) ** 2 + (point1[1] - point2[1]) ** 2)
def \
is_in_rectangle(target_point, rectangle):
if target_point[0] > rectangle[0] and target_point[0] < rectangle[2] and target_point[1] > rectangle[1] and \
target_point[1] < rectangle[3]:
return True
return False
def test_function8(self):
print("test_function8")
def test_new_function(self):
print("test_new_function")