export_shaderdoc

# -*- coding: utf-8 -*-
import csv

# 存储顶点数据
vertices = []
# 存储纹理坐标数据
tex_coords = []
# 存储面数据
faces = []

# 读取CSV文件
with open('kjj.csv', 'r') as csvfile:
    reader = csv.DictReader(csvfile)
    for row in reader:
        # 解析顶点数据
        vertex = [
            float(row[' Position.x']),
            float(row[' Position.y']),
            float(row[' Position.z']),
            
        ]
        vertices.append(vertex)
        
        # 解析纹理坐标数据
        tex_coord = [
            float(row[' UV0.x']),
            float(row[' UV0.y'])
        ]
        tex_coords.append(tex_coord)

# 每三个顶点组成一个面
for i in range(0, len(vertices), 3):
    face = f"f {i+1}/{i+1}/{i+1} {i+2}/{i+2}/{i+2} {i+3}/{i+3}/{i+3}\n"
    faces.append(face)

# 写入OBJ文件
with open('kjj.obj', 'w') as obj_file:
    # 写入顶点数据
    for vertex in vertices:
        obj_file.write(f"v {vertex[0]} {vertex[1]} {vertex[2]}\n")
    
    # 写入纹理坐标数据
    for tex_coord in tex_coords:
        obj_file.write(f"vt {tex_coord[0]} {tex_coord[1]}\n")
    
    # 写入面数据
    for face in faces:
        obj_file.write(face)