import pygame from OpenGL.GL import * from OpenGL.GLU import * def load_obj(filename): vertices = [] faces = [] texcoords = [] with open(filename, 'r') as f: for line in f: if line.startswith('#'): continue values = line.split() if not values: continue if values[0] == 'v': if len(values) == 4: vertices.append(list(map(float, values[1:4]))) elif len(values) == 3: texcoords.append(list(map(float, values[1:3]))) elif values[0] == 'f': face = [] texcoord_face = [] for face_str in values[1:]: vertex_index, texcoord_index, _ = face_str.split('/') face.append(int(vertex_index)) texcoord_face.append(int(texcoord_index)) faces.append(face) texcoords.append(texcoord_face) return vertices, faces, texcoords def draw_obj(filename, tex_id): vertices, faces, texcoords = load_obj(filename) glBindTexture(GL_TEXTURE_2D, tex_id) glBegin(GL_TRIANGLES) for face, texcoord_face in zip(faces, texcoords): for vertex_index, texcoord_index in zip(face, texcoord_face): glVertex3fv(vertices[vertex_index - 1]) glTexCoord2fv(texcoords[texcoord_index - 1]) glEnd() pygame.init() display = (800, 600) pygame.display.set_mode(display, pygame.DOUBLEBUF | pygame.OPENGL) gluPerspective(45, (display[0]/display[1]), 0.1, 50.0) glTranslatef(0.0, 0.0, -5) tex_surface = pygame.image.load('texture.jpg') tex_data = pygame.image.tostring(tex_surface, 'RGB', 1) tex_id = glGenTextures(1) glBindTexture(GL_TEXTURE_2D, tex_id) glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex_surface.get_width(), tex_surface.get_height(), 0, GL_RGB, GL_UNSIGNED_BYTE, tex_data) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR) while True: for event in pygame.event.get(): if event.type == pygame.QUIT: pygame.quit() quit() glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT) draw_obj('model.obj', tex_id) pygame.display.flip() pygame.time.wait(10)

这段代码是一个使用 Pygame 和 PyOpenGL 库加载和渲染 Wavefront OBJ 模型的示例代码。它从一个 OBJ 文件中读入模型的顶点、面和纹理坐标等信息，并将其渲染到 Pygame 显示窗口中。在渲染时，还使用了纹理贴图来增强模型的效果。

由于代码比较简单，所以很容易理解。如果您对 Pygame 和 PyOpenGL 有一定的了解，那么您应该可以很快地掌握这段代码的实现方式。如果您对这两个库不熟悉，您可以先学习它们的基础知识，然后再尝试理解这段代码。