Created
September 27, 2018 19:19
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Simple script to control your mouse pointer with a laser and a webcam (only works on Windows)
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import cv2 | |
import numpy as np | |
import win32api, win32con | |
import math | |
webcam_x = 640 #Set webcam resolution | |
webcam_y = 640 | |
screen_x = 1280 #Set screen resolution | |
screen_y = 1024 | |
cam = cv2.VideoCapture(0) #Pick a webcam (change 0 to something else if this doesn't work) | |
cam.set(cv2.CAP_PROP_AUTO_EXPOSURE, 0) #Turn off auto-exposure | |
cam.set(cv2.CAP_PROP_EXPOSURE, -5.0) #Set exposure extremely low | |
while True: | |
ret_val, img = cam.read() | |
grey = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) | |
laser_pos = cv2.minMaxLoc(grey) | |
x = math.floor(laser_pos[3][0]/webcam_x*screen_x) | |
y = math.floor(laser_pos[3][1]/webcam_y*screen_y) | |
win32api.SetCursorPos((x,y)) |
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