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6_11.py
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import glfw
from OpenGL.GL import *
from OpenGL.GLU import *
from cvzone.FaceDetectionModule import FaceDetector
import cv2
import mediapipe as mp
import math
center = (0, 0)
dZ = 3.0
mp_face_mesh = mp.solutions.face_mesh
# 初始化Face Mesh模型
face_mesh = mp_face_mesh.FaceMesh()
def draw_cube():
glBegin(GL_QUADS)
glColor3f(1, 0, 0) # 设置颜色为红色
glVertex3f(-0.5, -0.5, 0.5) # 设置顶点
glVertex3f(0.5, -0.5, 0.5)
glVertex3f(0.5, 0.5, 0.5)
glVertex3f(-0.5, 0.5, 0.5)
glColor3f(0, 1, 0) # 设置颜色为绿色
glVertex3f(-0.5, -0.5, -0.5)
glVertex3f(-0.5, 0.5, -0.5)
glVertex3f(0.5, 0.5, -0.5)
glVertex3f(0.5, -0.5, -0.5)
glColor3f(0, 0, 1) # 设置颜色为蓝色
glVertex3f(-0.5, 0.5, -0.5)
glVertex3f(-0.5, 0.5, 0.5)
glVertex3f(0.5, 0.5, 0.5)
glVertex3f(0.5, 0.5, -0.5)
glColor3f(1, 1, 0) # 设置颜色为黄色
glVertex3f(-0.5, -0.5, -0.5)
glVertex3f(0.5, -0.5, -0.5)
glVertex3f(0.5, -0.5, 0.5)
glVertex3f(-0.5, -0.5, 0.5)
glColor3f(0, 1, 1) # 设置颜色为青色
glVertex3f(0.5, -0.5, -0.5)
glVertex3f(0.5, 0.5, -0.5)
glVertex3f(0.5, 0.5, 0.5)
glVertex3f(0.5, -0.5, 0.5)
glColor3f(1, 0, 1) # 设置颜色为品红色
glVertex3f(-0.5, -0.5, -0.5)
glVertex3f(-0.5, -0.5, 0.5)
glVertex3f(-0.5, 0.5, 0.5)
glVertex3f(-0.5, 0.5, -0.5)
glEnd()
def draw_grid():
# 畫一個立方體
glBegin(GL_LINES)
for i in range (-10, 20):
color = (i + 10.0) / 30.0
glColor3f(color, color, color)
# 前面
glVertex3f(-1.75, -1, i)
glVertex3f(-1.75, 1, i)
glVertex3f(-1.75, 1, i)
glVertex3f(1.75, 1, i)
glVertex3f(1.75, 1, i)
glVertex3f(1.75, -1, i)
glVertex3f(1.75, -1, i)
glVertex3f(-1.75, -1, i)
# 邊線
for j in range (-7, 8):
j /= 4.0
glVertex3f(j, -1, i)
glVertex3f(j, -1, i-1)
glVertex3f(j, 1, i)
glVertex3f(j, 1, i-1)
glVertex3f(j, 1, i)
glVertex3f(j, 1, i-1)
glVertex3f(j, -1, i)
glVertex3f(j, -1, i-1)
for j in range (-10, 11):
j /= 10.0
glVertex3f(-1.75, j, i)
glVertex3f(-1.75, j, i-1)
glVertex3f(-1.75, j, i)
glVertex3f(-1.75, j, i-1)
glVertex3f(1.75, j, i)
glVertex3f(1.75, j, i-1)
glVertex3f(1.75, j, i)
glVertex3f(1.75, j, i-1)
glEnd()
def display():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
width, height = glfw.get_framebuffer_size(window)
aspect_ratio = width / height
gluPerspective(45, aspect_ratio, 0.1, 100)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
# 調整視角位置
eyeX = -1.75 + 3.5 * (center[0] / 640.0)
eyeY = 1 - 2 * (center[1] / 480.0)
gluLookAt(eyeX, eyeY, dZ/10.0, 0, 0, 0, 0, 1, 0)
draw_grid()
draw_cube()
glfw.swap_buffers(window)
if __name__ == '__main__':
cap=cv2.VideoCapture(0)
cap.set(3,640)
cap.set(4,480)
detector=FaceDetector(minDetectionCon=0.8)
if not glfw.init():
raise Exception("glfw init failed")
window = glfw.create_window(1280, 720, "OpenGL Window", None, None)
if not window:
glfw.terminate()
raise Exception("glfw window creation failed")
glfw.make_context_current(window)
glEnable(GL_DEPTH_TEST)
while not glfw.window_should_close(window):
glfw.poll_events()
display()
if glfw.get_key(window, glfw.KEY_ESCAPE) == glfw.PRESS:
glfw.set_window_should_close(window, True)
#capture
success,img=cap.read()
results = face_mesh.process(img)
img = cv2.flip(img, flipCode=1) # 左右翻轉圖像
img, bboxs = detector.findFaces(img)
#設定臉部中心座標
if bboxs:
center = bboxs[0]["center"]
if results.multi_face_landmarks:
# 取得第一個偵測到的臉部關鍵點
face_landmarks = results.multi_face_landmarks[0]
# 取得眼睛的關鍵點索引
left_eye_landmark_index = 362
left = 359
right_eye_landmark_index = 133
right = 130
# 取得左眼和右眼的座標
left_eye_coords = face_landmarks.landmark[left_eye_landmark_index]
left_coords = face_landmarks.landmark[left]
right_eye_coords = face_landmarks.landmark[right_eye_landmark_index]
right_coords = face_landmarks.landmark[right]
# 將座標轉換為畫面上的位置
image_rows, image_cols, _ = img.shape
left_eye_x, left_eye_y = int(left_eye_coords.x * image_cols), int(left_eye_coords.y * image_rows)
right_eye_x, right_eye_y = int(right_eye_coords.x * image_cols), int(right_eye_coords.y * image_rows)
left_x, left_y = int(left_coords.x * image_cols), int(left_coords.y * image_rows)
right_x, right_y = int(right_coords.x * image_cols), int(right_coords.y * image_rows)
#計算距離
width = image_cols
height = image_rows
dx = left_x - left_eye_x
dX = 3.5
normalizedFocaleX = 1.40625
fx = min(width, height) * normalizedFocaleX
dZ = (fx * (dX / dx))
cv2.imshow("image",img)
if cv2.waitKey(1) == 27: # 按下 ESC 鍵退出程序並釋放攝像頭
break
cap.release() # 釋放攝像頭
cv2.destroyAllWindows() # 關閉所有視窗
glfw.terminate()