pyOpenGL加载obj模型
时间: 2023-05-23 20:01:30 浏览: 49
可以使用PyOpenGL的glLoadObj函数来加载obj模型文件。示例代码如下:
```python
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
from OpenGL.GL.shaders import *
from pywavefront import Wavefront
# 加载obj模型
model = Wavefront('model.obj')
# 绘制场景
def drawScene():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glEnable(GL_DEPTH_TEST)
# 应用着色器
shaderProgram = compileShader(vertexShader, fragmentShader)
glUseProgram(shaderProgram)
# 绘制模型
for name, material in model.materials.items():
# 设置材质
glUniform3f(glGetUniformLocation(shaderProgram, "material_ambient"), *material.ambient[:3])
glUniform3f(glGetUniformLocation(shaderProgram, "material_diffuse"), *material.diffuse[:3])
glUniform3f(glGetUniformLocation(shaderProgram, "material_specular"), *material.specular[:3])
glUniform1f(glGetUniformLocation(shaderProgram, "material_shininess"), material.shininess)
# 绘制三角形
glBegin(GL_TRIANGLES)
for face in model.faces:
glVertex3f(*model.vertices[face[0]][:-1])
glVertex3f(*model.vertices[face[1]][:-1])
glVertex3f(*model.vertices[face[2]][:-1])
glEnd()
glutSwapBuffers()
# 初始化OpenGL
glutInit()
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH)
glutInitWindowSize(800, 600)
glutCreateWindow(b"OpenGL Example")
# 设置回调函数
glutDisplayFunc(drawScene)
glutIdleFunc(drawScene)
# 启动循环
glutMainLoop()
```
注意,上述代码中的vertexShader和fragmentShader变量需要根据实际需求进行定义和编写。