hackthelobby/utils.py

82 lines
2.2 KiB
Python

from time import sleep
from enum import Enum
from subprocess import Popen
from typing import Generator
from types import ModuleType
import numpy as np
import mediapipe as mp
import cv2
from cv2 import VideoCapture
mp_hands = mp.solutions.hands
mp_draw: ModuleType = mp.solutions.drawing_utils
class FingerType(Enum):
BASE = 0
BASE_RIGHT = 1
THUMB_BASE = 2
THUMB_KNUCKLE_1 = 3
THUMB_TIP = 4
INDEX_BASE = 5
INDEX_KNUCKLE_1 = 6
INDEX_KNUCKLE_2 = 7
INDEX_TIP = 8
MIDDLE_BASE = 9
MIDDLE_KNUCKLE_1 = 10
MIDDLE_KNUCKLE_2 = 11
MIDDLE_TIP = 12
RING_BASE = 13
RING_KNUCKLE_1 = 14
RING_KNUCKLE_2 = 15
RING_TIP = 16
PINKY_BASE = 17
PINKY_KNUCKLE_1 = 18
PINKY_KNUCKLE_2 = 19
PINKY_TIP = 20
def save_score(score: int) -> None:
with open('./.score', 'w') as score_file:
score_file.write(str(score))
def start_game_sfx() -> None:
Popen(['paplay', './assets/sfx/start.mp3']).communicate()
sleep(.5)
Popen(['paplay', './assets/sfx/background_music.mp3'])
def collect_sfx() -> None:
Popen(['paplay', './assets/sfx/collect.mp3'])
def show_matrix() -> None:
Popen(['tmatrix'])
def found_hands() -> bool:
capture: VideoCapture = cv2.VideoCapture(0)
hands = mp_hands.Hands(max_num_hands=1)
success, frame = capture.read()
if not success:
return False
return list(get_finger_positions(frame, hands)) != []
def get_finger_positions(
frame: np.ndarray,
hands: mp.solutions.hands.Hands,
add_landmarks: bool=False,
) -> Generator[list[tuple[int, int, int]], None, None]:
height, width = frame.shape[:2]
img_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
results = hands.process(img_rgb)
if results.multi_hand_landmarks:
for hand_landmarks in results.multi_hand_landmarks:
positions = []
for id, lm in enumerate(hand_landmarks.landmark):
x = int(lm.x * width)
y = int(lm.y * height)
positions.append((FingerType(id), x, y))
yield positions
if add_landmarks:
mp_draw.draw_landmarks(frame, hand_landmarks, mp_hands.HAND_CONNECTIONS)