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import cv2
import numpy as np
import pygame
import random
import threading
from cockroach_game import Cockroach
# Initialize Pygame
pygame.init()
# Define screen dimensions
SCREEN_WIDTH = 802
SCREEN_HEIGHT = 601
# Load cockroach image
cockroach_image = pygame.image.load('res/cockroach.png')
class MyGame:
def __init__(self) -> None:
# Open the webcam (0 is usually the default)
self.cap = cv2.VideoCapture(0)
# Create the game screen
self.screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('Camera Feed and Cockroach Panel')
# Track whether the Pygame window should be closed
self.running = True
# Create an event to signal the camera feed thread to stop
self.stop_event = threading.Event()
def run_cockroach_game(self):
# Create a list to hold cockroaches
cockroaches = []
while not self.stop_event.is_set():
for event in pygame.event.get():
if event.type == pygame.QUIT:
# Set the stop event when the 'x' button is clicked
self.stop_event.set()
# Spawn a new cockroach randomly
if len(cockroaches) < 5 and random.random() < 0.02:
cockroaches.append(Cockroach())
# Move cockroaches downwards and remove off-screen ones
for cockroach in cockroaches:
cockroach.move_down()
if cockroach.y >= SCREEN_HEIGHT:
cockroaches.remove(cockroach)
# Read frame from the webcam
ret, frame = self.cap.read()
# If frame is not returned, break
if not ret:
break
# Rotate the frame counter-clockwise by 90 degrees
frame = cv2.rotate(frame, cv2.ROTATE_90_COUNTERCLOCKWISE)
# Convert frame from RGB to HSV, and define frame used for detection
det_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
# Define lower green and upper green
lower_green = np.array([60, 100, 100])
upper_green = np.array([100, 255, 255])
# Define green mask
green_mask = cv2.inRange(det_frame, lower_green, upper_green)
# Detect contours
contours, _ = cv2.findContours(green_mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
# Find largest contour
largest_contour = max(contours, key=cv2.contourArea) if contours else None
# If largest contour is present, draw a green rectangle
if largest_contour is not None:
x, y, w, h = cv2.boundingRect(largest_contour)
cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 255, 0), 2)
frame_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
# Convert frame to Pygame surface
frame_pygame = pygame.surfarray.make_surface(frame_rgb)
# Draw the camera feed as the background
self.screen.blit(frame_pygame, (80, 60))
# Draw the cockroach panel on top of the camera feed
for cockroach in cockroaches:
cockroach.draw(self.screen)
# Update the display
pygame.display.flip()
# Release the captured webcam
self.cap.release()
# Destroy all CV2 Windows
cv2.destroyAllWindows()
def loop(self) -> None:
# Start the webcam feed and cockroach panel in separate threads
cockroach_thread = threading.Thread(target=self.run_cockroach_game)
cockroach_thread.start()
while self.running:
# Handle events for the Pygame window
for event in pygame.event.get():
if event.type == pygame.QUIT:
# Close the Pygame window
self.running = False
# Quit if 'q' is pressed
if cv2.waitKey(1) & 0xFF == ord('q'):
self.running = False
# Signal the camera feed thread to stop
self.stop_event.set()
if __name__ == '__main__':
game = MyGame()
# Start the webcam feed and cockroach panel together
game.loop()
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