使用PyOpenGL向不同对象添加不同纹理

from OpenGL.GL import *
from OpenGL.GLUT import *
from OpenGL.GLU import *
from PIL import Image

def load_texture(filename):
    image = Image.open(filename)
    image_data = image.tobytes("raw", "RGBX", 0, -1)
    width, height = image.size

    texture_id = glGenTextures(1)
    glBindTexture(GL_TEXTURE_2D, texture_id)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data)

    return texture_id

vertices = [
    # 定义对象的顶点坐标
    (-1, -1, 0),
    (1, -1, 0),
    (1, 1, 0),
    (-1, 1, 0)
]

texture_coordinates = [
    # 定义纹理坐标
    (0, 0),
    (1, 0),
    (1, 1),
    (0, 1)
]

def draw_object(texture_id):
    glEnable(GL_TEXTURE_2D)
    glBindTexture(GL_TEXTURE_2D, texture_id)

    glBegin(GL_QUADS)
    for i in range(4):
        glTexCoord2f(texture_coordinates[i][0], texture_coordinates[i][1])
        glVertex3f(vertices[i][0], vertices[i][1], vertices[i][2])
    glEnd()

    glDisable(GL_TEXTURE_2D)

def display():
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
    glLoadIdentity()

    texture_id_1 = load_texture("texture1.png")
    draw_object(texture_id_1)

    texture_id_2 = load_texture("texture2.png")
    draw_object(texture_id_2)

    glutSwapBuffers()

glutInit()
glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH)
glutInitWindowSize(800, 600)
glutCreateWindow(b"PyOpenGL Example")
glutDisplayFunc(display)
glutMainLoop()