在python-opengl中连接“内部立方体”和“外部立方体”的顶点,可以通过以下步骤实现:
- 导入必要的库和模块:import OpenGL.GL as gl
from OpenGL.GLUT import *
from OpenGL.GLU import *
- 创建一个OpenGL窗口:def create_window():
glutInit()
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE)
glutInitWindowSize(800, 600)
glutCreateWindow(b"OpenGL Window")
- 定义绘制函数,用于绘制立方体:def draw_cube():
vertices = [
[-1, -1, -1], [1, -1, -1], [1, 1, -1], [-1, 1, -1],
[-1, -1, 1], [1, -1, 1], [1, 1, 1], [-1, 1, 1]
]
edges = [
[0, 1], [1, 2], [2, 3], [3, 0],
[4, 5], [5, 6], [6, 7], [7, 4],
[0, 4], [1, 5], [2, 6], [3, 7]
]
gl.glColor3f(1.0, 1.0, 1.0) # 设置颜色为白色
gl.glBegin(gl.GL_LINES)
for edge in edges:
for vertex in edge:
gl.glVertex3fv(vertices[vertex])
gl.glEnd()
- 定义绘制函数,用于连接内部立方体和外部立方体的顶点:def connect_vertices():
vertices = [
[-1, -1, -1], [1, -1, -1], [1, 1, -1], [-1, 1, -1],
[-1, -1, 1], [1, -1, 1], [1, 1, 1], [-1, 1, 1]
]
gl.glColor3f(1.0, 0.0, 0.0) # 设置颜色为红色
gl.glBegin(gl.GL_LINES)
for i in range(len(vertices)):
gl.glVertex3fv(vertices[i])
gl.glVertex3fv(vertices[i % 4 + 4])
gl.glEnd()
- 定义绘制函数,用于显示场景:def display():
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glLoadIdentity()
gluLookAt(3, 3, 3, 0, 0, 0, 0, 1, 0) # 设置视角
draw_cube()
connect_vertices()
glutSwapBuffers()
- 定义窗口大小变化时的回调函数:def reshape(width, height):
gl.glViewport(0, 0, width, height)
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
gluPerspective(45, width / height, 0.1, 50.0)
gl.glMatrixMode(gl.GL_MODELVIEW)
- 定义键盘事件处理函数:def keyboard(key, x, y):
if key == b'\x1b': # ESC键
sys.exit(0)
- 主函数,设置OpenGL环境和窗口参数,启动主循环:def main():
create_window()
gl.glClearColor(0.0, 0.0, 0.0, 1.0) # 设置背景颜色为黑色
gl.glEnable(gl.GL_DEPTH_TEST) # 启用深度测试
glutDisplayFunc(display)
glutReshapeFunc(reshape)
glutKeyboardFunc(keyboard)
glutMainLoop()
- 调用主函数运行程序:if __name__ == '__main__':
main()
这样就可以在python-opengl中连接“内部立方体”和“外部立方体”的顶点了。