Add files via upload

eastmountyxz · web-flow · commit 95d57cb97fe9 · 2020-03-19T21:25:47.000+08:00
diff --git a/blog27-opencv/blog27-04.py b/blog27-opencv/blog27-04.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+from OpenGL.GL import *
+from OpenGL.GLU import *
+from OpenGL.GLUT import *
+import math
+import time
+
+h = 0
+m = 0
+s = 0
+
+# 绘制图像函数
+def Draw():
+    PI = 3.1415926
+    R = 0.5
+    TR = R - 0.05
+    glClear(GL_COLOR_BUFFER_BIT)
+    glLineWidth(5)
+    glBegin(GL_LINE_LOOP)
+    for i in range(100):
+        glVertex2f(R * math.cos(2 * PI / 100 * i), R * math.sin(2 * PI / 100 * i))
+    glEnd()
+    glLineWidth(2)
+    for i in range(100):
+        glBegin(GL_LINES)
+        glVertex2f(TR * math.sin(2 * PI / 12 * i), TR * math.cos(2 * PI / 12 * i))
+        glVertex2f(R * math.sin(2 * PI / 12 * i), R * math.cos(2 * PI / 12 * i))
+        glEnd()
+    glLineWidth(1)
+
+    h_Length = 0.2
+    m_Length = 0.3
+    s_Length = 0.4
+    count = 60.0
+    s_Angle = s / count
+    count *= 60
+    m_Angle = (m * 60 + s) / count
+    count *= 12
+    h_Angle = (h * 60 * 60 + m * 60 + s) / count
+    glLineWidth(1)
+    glBegin(GL_LINES)
+    glVertex2f(0.0, 0.0)
+    glVertex2f(s_Length * math.sin(2 * PI * s_Angle), s_Length * math.cos(2 * PI * s_Angle))
+    glEnd()
+    glLineWidth(5)
+    glBegin(GL_LINES)
+    glVertex2f(0.0, 0.0)
+    glVertex2f(h_Length * math.sin(2 * PI * h_Angle), h_Length * math.cos(2 * PI * h_Angle))
+    glEnd()
+    glLineWidth(3)
+    glBegin(GL_LINES)
+    glVertex2f(0.0, 0.0)
+    glVertex2f(m_Length * math.sin(2 * PI * m_Angle), m_Length * math.cos(2 * PI * m_Angle))
+    glEnd()
+    glLineWidth(1)
+    glBegin(GL_POLYGON)
+    for i in range(100):
+        glVertex2f(0.03 * math.cos(2 * PI / 100 * i), 0.03 * math.sin(2 * PI / 100 * i));
+    glEnd()
+    glFlush()
+
+# 更新时间函数
+def Update():
+    global h, m, s
+    t = time.localtime(time.time())
+    h = int(time.strftime('%H', t))
+    m = int(time.strftime('%M', t))
+    s = int(time.strftime('%S', t))
+    glutPostRedisplay()
+
+# 主函数
+if __name__ == "__main__":
+    glutInit()
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGBA)
+    glutInitWindowSize(400, 400)
+    glutCreateWindow("My clock")
+    glutDisplayFunc(Draw)
+    glutIdleFunc(Update)
+    glutMainLoop() 
