说明：
python+form+opengl显示动态图形数据
我希望做一款动态opengl图形数据
1.用python脚本，输入指定参数
2.生成一组数据，
3.将数据保持成本地文件
4.在c#中调用此文件，解析
5.将数据用opengl展示
效果图:
step1:添加依赖
C:\Users\wangrusheng\RiderProjects\WinFormsApp8\WinFormsApp8\WinFormsApp8.csproj
<Project Sdk="Microsoft.NET.Sdk"><PropertyGroup><OutputType>WinExe</OutputType><TargetFramework>net9.0-windows</TargetFramework><Nullable>enable</Nullable><UseWindowsForms>true</UseWindowsForms><ImplicitUsings>enable</ImplicitUsings><AllowUnsafeBlocks>true</AllowUnsafeBlocks></PropertyGroup><ItemGroup><PackageReference Include="ncalc" Version="1.3.8" /><PackageReference Include="Silk.NET.Core" Version="2.22.0" /><PackageReference Include="Silk.NET.GLFW" Version="2.22.0" /><PackageReference Include="Silk.NET.OpenGL" Version="2.22.0" /></ItemGroup></Project>
step2:forms
C:\Users\wangrusheng\RiderProjects\WinFormsApp8\WinFormsApp8\Form1.cs
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Windows.Forms;
using System.Drawing;
using NCalc;
using Silk.NET.GLFW;
using Silk.NET.OpenGL;
using System.Runtime.InteropServices;namespace WinFormsApp8
{public unsafe partial class Form1 : Form{// OpenGL相关成员private GL gl;private Glfw glfw;private WindowHandle* glfwWindow;private System.Windows.Forms.Panel glPanel;private uint shaderProgram;private uint vao;private uint vbo;// 数据相关成员private readonly Dictionary<string, double> variables = new Dictionary<string, double>();private readonly List<float> verticesData = new List<float>();private DateTime _startTime = DateTime.Now;// 摄像机控制private Vector2 _cameraAngle = new Vector2(0, (float)(Math.PI / 6)); // 30度的弧度值 ≈ 0.5236private Point _lastMousePos;private bool _mouseDown;// Win32 API[DllImport("user32.dll")]private static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);[DllImport("user32.dll")]private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter,int X, int Y, int cx, int cy, SetWindowPosFlags uFlags);[DllImport("glfw3.dll", CallingConvention = CallingConvention.Cdecl)]private static extern IntPtr glfwGetWin32Window(WindowHandle* window);// 使用逐字字符串(@)避免转义反斜杠private string absolutePath = @"C:\Users\wangrusheng\PycharmProjects\FastAPIProject1\input.txt";[Flags]private enum SetWindowPosFlags : uint{FrameChanged = 0x0020}public Form1(){InitializeComponent();InitializeOpenGLPanel();this.Load += Form1_Load;this.Resize += Form1_Resize;this.MouseDown += Form1_MouseDown;this.MouseMove += Form1_MouseMove;this.MouseUp += Form1_MouseUp;}private void Form1_Load(object? sender, EventArgs e){try{SetupGLFWWindow();InitializeOpenGL();ProcessInputFile(absolutePath);SetupGeometry();StartRenderTimer();}catch (Exception ex){MessageBox.Show($"初始化失败: {ex.Message}");Close();}}private void InitializeOpenGLPanel(){glPanel = new Panel{Dock = DockStyle.Fill,BackColor = Color.Black};Controls.Add(glPanel);}private void SetupGLFWWindow(){glfw = Glfw.GetApi();glfw.Init();glfw.WindowHint(WindowHintInt.ContextVersionMajor, 3);glfw.WindowHint(WindowHintInt.ContextVersionMinor, 3);glfw.WindowHint(WindowHintOpenGlProfile.OpenGlProfile, OpenGlProfile.Core);glfw.WindowHint(WindowHintBool.Decorated, false);unsafe{glfwWindow = glfw.CreateWindow(glPanel.Width, glPanel.Height, "GLFW", null, null);glfw.ShowWindow(glfwWindow);var hwnd = glfwGetWin32Window(glfwWindow);SetParent(hwnd, glPanel.Handle);SetWindowPos(hwnd, IntPtr.Zero, 0, 0,glPanel.Width, glPanel.Height, SetWindowPosFlags.FrameChanged);glfw.MakeContextCurrent(glfwWindow);glfw.SwapInterval(1); }}private void InitializeOpenGL(){gl = GL.GetApi(glfw.GetProcAddress);gl.Viewport(0, 0, (uint)glPanel.Width, (uint)glPanel.Height);gl.Enable(EnableCap.DepthTest);// 着色器程序const string vertexShaderSource = @"#version 330 corelayout (location = 0) in vec3 aPos;layout (location = 1) in vec3 aColor;out vec3 ourColor;uniform mat4 projection;uniform mat4 view;uniform mat4 model;void main(){gl_Position = projection * view * model * vec4(aPos, 1.0);ourColor = aColor;}";const string fragmentShaderSource = @"#version 330 corein vec3 ourColor;out vec4 FragColor;void main(){FragColor = vec4(ourColor, 1.0);}";uint vertexShader = gl.CreateShader(ShaderType.VertexShader);gl.ShaderSource(vertexShader, vertexShaderSource);gl.CompileShader(vertexShader);uint fragmentShader = gl.CreateShader(ShaderType.FragmentShader);gl.ShaderSource(fragmentShader, fragmentShaderSource);gl.CompileShader(fragmentShader);shaderProgram = gl.CreateProgram();gl.AttachShader(shaderProgram, vertexShader);gl.AttachShader(shaderProgram, fragmentShader);gl.LinkProgram(shaderProgram);gl.DeleteShader(vertexShader);gl.DeleteShader(fragmentShader);}private void ProcessInputFile(string path){if (!File.Exists(path))throw new FileNotFoundException("找不到输入文件", path);variables.Clear();verticesData.Clear();foreach (var line in File.ReadLines(path)){var trimmed = line.Trim();if (string.IsNullOrEmpty(trimmed) || trimmed.StartsWith("#"))continue;ProcessLine(trimmed);}if (verticesData.Count % 6 != 0)throw new InvalidDataException("顶点数据格式不正确，应为每行6个浮点数");}private void ProcessLine(string line){try{if (line.Contains("=")) // 变量赋值{var parts = line.Split(new[] { '=' }, 2);var varName = parts[0].Trim();var expr = parts[1].Trim();variables[varName] = EvaluateExpression(expr);}else // 顶点数据{var values = line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);foreach (var value in values){var result = EvaluateExpression(value.Trim());verticesData.Add((float)result);}}}catch (Exception ex){throw new InvalidDataException($"处理行时出错: {line}\n错误信息: {ex.Message}");}}private double EvaluateExpression(string expr){var e = new Expression(expr, EvaluateOptions.IgnoreCase);var paramDict = variables.ToDictionary(kvp => kvp.Key, kvp => (object)kvp.Value );e.Parameters = paramDict;e.EvaluateFunction += (name, args) =>{if (name.Equals("sin", StringComparison.OrdinalIgnoreCase))args.Result = Math.Sin(Convert.ToDouble(args.Parameters[0].Evaluate()));else if (name.Equals("cos", StringComparison.OrdinalIgnoreCase))args.Result = Math.Cos(Convert.ToDouble(args.Parameters[0].Evaluate()));};return Convert.ToDouble(e.Evaluate());}private void SetupGeometry(){vao = gl.GenVertexArray();vbo = gl.GenBuffer();gl.BindVertexArray(vao);gl.BindBuffer(BufferTargetARB.ArrayBuffer, vbo);var vertices = verticesData.ToArray();unsafe{fixed (float* ptr = vertices){gl.BufferData(BufferTargetARB.ArrayBuffer,(nuint)(vertices.Length * sizeof(float)),ptr, BufferUsageARB.StaticDraw);}}gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)0);gl.EnableVertexAttribArray(0);gl.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)(3 * sizeof(float)));gl.EnableVertexAttribArray(1);}private void StartRenderTimer(){var timer = new System.Windows.Forms.Timer { Interval = 16 };timer.Tick += (s, e) => Render();timer.Start();}private void Render(){if (gl == null) return;gl.ClearColor(0.1f, 0.1f, 0.1f, 1.0f);gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);// 计算矩阵float aspect = (float)glPanel.Width / glPanel.Height;float time = (float)(DateTime.Now - _startTime).TotalSeconds;var model = Matrix4x4.CreateRotationY(time);var view = CreateViewMatrix();var projection = Matrix4x4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, aspect, 0.1f, 100.0f);// 传递矩阵到着色器gl.UseProgram(shaderProgram);unsafe{gl.UniformMatrix4(gl.GetUniformLocation(shaderProgram, "model"), 1, false, (float*)&model);gl.UniformMatrix4(gl.GetUniformLocation(shaderProgram, "view"), 1, false, (float*)&view);gl.UniformMatrix4(gl.GetUniformLocation(shaderProgram, "projection"), 1, false, (float*)&projection);}// 绘制gl.BindVertexArray(vao);gl.DrawArrays(PrimitiveType.Triangles, 0, (uint)(verticesData.Count / 6));unsafe { glfw.SwapBuffers(glfwWindow); }glfw.PollEvents();}private Matrix4x4 CreateViewMatrix(){var eyePos = new Vector3((float)(Math.Sin(_cameraAngle.X) * Math.Cos(_cameraAngle.Y)),(float)Math.Sin(_cameraAngle.Y),(float)(Math.Cos(_cameraAngle.X) * Math.Cos(_cameraAngle.Y))) * 3.0f;return Matrix4x4.CreateLookAt(eyePos,Vector3.Zero,Vector3.UnitY);}private void Form1_Resize(object? sender, EventArgs e){if (glfwWindow == null || glPanel == null) return;glfw.SetWindowSize(glfwWindow, glPanel.Width, glPanel.Height);var hwnd = glfwGetWin32Window(glfwWindow);SetWindowPos(hwnd, IntPtr.Zero, 0, 0,glPanel.Width, glPanel.Height, SetWindowPosFlags.FrameChanged);gl?.Viewport(0, 0, (uint)glPanel.Width, (uint)glPanel.Height);}private void Form1_MouseDown(object sender, MouseEventArgs e){_mouseDown = true;_lastMousePos = e.Location;}private void Form1_MouseMove(object sender, MouseEventArgs e){if (_mouseDown){var delta = new Vector2(e.X - _lastMousePos.X, e.Y - _lastMousePos.Y);_cameraAngle += delta * 0.01f;_cameraAngle.Y = Math.Clamp(_cameraAngle.Y, -MathHelper.PiOver2 + 0.1f, MathHelper.PiOver2 - 0.1f);_lastMousePos = e.Location;}}private void Form1_MouseUp(object sender, MouseEventArgs e){_mouseDown = false;}protected override void OnFormClosing(FormClosingEventArgs e){base.OnFormClosing(e);if (gl != null){gl.DeleteBuffer(vbo);gl.DeleteVertexArray(vao);gl.DeleteProgram(shaderProgram);}glfw?.Terminate();}}public static class MathHelper{public const float Pi = (float)Math.PI;public const float PiOver2 = Pi / 2.0f;public const float PiOver4 = Pi / 4.0f;}}
step3:到这里opengl写完了 运行 验证没问题，至少渲染部分解决了，接下来处理python脚本
C:\Users\wangrusheng\PycharmProjects\FastAPIProject1\generate_shape.py
import math
import argparsedef generate_triangle(size=0.5, color=(1.0, 0.0, 0.0)):"""生成三角形顶点数据"""return [(-size, -size, 0.0, *color),(size, -size, 0.0, *color),(0.0, size, 0.0, *color)]def generate_cube(size=0.5):"""生成立方体顶点数据（每个面不同颜色）"""vertices = []# 前面（红色）vertices.extend(_cube_face(size, "front", (1.0, 0.0, 0.0)))# 后面（绿色）vertices.extend(_cube_face(size, "back", (0.0, 1.0, 0.0)))# 左面（蓝色）vertices.extend(_cube_face(size, "left", (0.0, 0.0, 1.0)))# 右面（黄色）vertices.extend(_cube_face(size, "right", (1.0, 1.0, 0.0)))# 顶面（品红）vertices.extend(_cube_face(size, "top", (1.0, 0.0, 1.0)))# 底面（青色）vertices.extend(_cube_face(size, "bottom", (0.0, 1.0, 1.0)))return verticesdef _cube_face(size, face, color):"""生成单个立方体面的两个三角形"""s = sizeif face == "front":return [(-s, -s, s, *color), (s, -s, s, *color), (s, s, s, *color),(s, s, s, *color), (-s, s, s, *color), (-s, -s, s, *color)]elif face == "back":return [(-s, -s, -s, *color), (s, -s, -s, *color), (s, s, -s, *color),(s, s, -s, *color), (-s, s, -s, *color), (-s, -s, -s, *color)]elif face == "left":return [(-s, -s, -s, *color), (-s, -s, s, *color), (-s, s, s, *color),(-s, s, s, *color), (-s, s, -s, *color), (-s, -s, -s, *color)]elif face == "right":return [(s, -s, -s, *color), (s, -s, s, *color), (s, s, s, *color),(s, s, s, *color), (s, s, -s, *color), (s, -s, -s, *color)]elif face == "top":return [(-s, s, -s, *color), (s, s, -s, *color), (s, s, s, *color),(s, s, s, *color), (-s, s, s, *color), (-s, s, -s, *color)]elif face == "bottom":return [(-s, -s, -s, *color), (s, -s, -s, *color), (s, -s, s, *color),(s, -s, s, *color), (-s, -s, s, *color), (-s, -s, -s, *color)]import mathdef generate_sphere(radius=0.5,rings=16,sectors=32,color_top=(1.0, 0.0, 0.0),color_bottom=(0.0, 0.0, 1.0)
):vertices = []# 生成顶点数据（带颜色插值）for i in range(rings + 1):phi = math.pi * i / rings # 纬度角 0~πfor j in range(sectors + 1):theta = 2 * math.pi * j / sectors # 经度角 0~2πx = radius * math.sin(phi) * math.cos(theta)y = radius * math.cos(phi)z = radius * math.sin(phi) * math.sin(theta)# 颜色插值t = i / ringsred = color_top[0] * (1 - t) + color_bottom[0] * tgreen = color_top[1] * (1 - t) + color_bottom[1] * tblue = color_top[2] * (1 - t) + color_bottom[2] * tvertices.append((x, y, z, red, green, blue))# 生成三角形索引indices = []for i in range(rings):for j in range(sectors):a = i * (sectors + 1) + jb = a + 1c = (i + 1) * (sectors + 1) + jd = c + 1# 三角形1: a-c-bindices.extend([a, c, b])# 三角形2: b-c-dindices.extend([b, c, d])# 展开索引为顶点数据expanded_vertices = [vertices[i] for i in indices]return expanded_verticesdef save_to_file(filename, vertices, variables=None):"""保存到文件"""with open(filename, 'w') as f:# 写入变量定义if variables:for name, value in variables.items():f.write(f"{name} = {value}\n")# 写入顶点数据for v in vertices:line = ", ".join(f"{x:.4f}" if isinstance(x, float) else str(x) for x in v)f.write(line + "\n")if __name__ == "__main__":parser = argparse.ArgumentParser(description='生成3D形状的顶点数据文件')parser.add_argument('shape', choices=['triangle', 'cube', 'sphere'],help='要生成的形状')parser.add_argument('-o', '--output', default='input.txt',help='输出文件名')parser.add_argument('--size', type=float, default=0.5,help='形状尺寸（立方体边长/球体半径）')parser.add_argument('--color', nargs=3, type=float, default=None,metavar=('R', 'G', 'B'),help='统一颜色（0.0-1.0）')parser.add_argument('--rings', type=int, default=16,help='球体的纬度分段数（默认：16）')parser.add_argument('--sectors', type=int, default=32,help='球体的经度分段数（默认：32）')parser.add_argument('--color-top', nargs=3, type=float, default=[1.0, 0.0, 0.0],metavar=('R', 'G', 'B'),help='球体顶部颜色（默认：红色）')parser.add_argument('--color-bottom', nargs=3, type=float, default=[0.0, 0.0, 1.0],metavar=('R', 'G', 'B'),help='球体底部颜色（默认：蓝色）')args = parser.parse_args()# 生成顶点数据color = args.color if args.color else Nonevariables = {"object_size": args.size}if args.shape == 'triangle':vertices = generate_triangle(args.size, color or (1.0, 0.0, 0.0))elif args.shape == 'cube':vertices = generate_cube(args.size)elif args.shape == 'sphere':vertices = generate_sphere(radius=args.size,rings=args.rings,sectors=args.sectors,color_top=args.color_top,color_bottom=args.color_bottom)# 保存文件save_to_file(args.output, vertices, variables)print(f"成功生成 {args.shape} 数据到 {args.output}，包含 {len(vertices)} 个顶点")
step4:在终端里，输入指令，生成数据文件
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1> python generate_shape.py sphere --rings 20 --sectors 40 --color-top 1 1 0 --color-bottom 0 1 0 -o input.txt
成功生成 sphere 数据到 input.txt，包含 4800 个顶点
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1> python generate_shape.py sphere -o input.txt
成功生成 sphere 数据到 input.txt，包含 3072 个顶点
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1> python generate_shape.py cube --size 0.8 -o input.txt
成功生成 cube 数据到 input.txt，包含 36 个顶点
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1> python generate_shape.py triangle -o input.txt
成功生成 triangle 数据到 input.txt，包含 3 个顶点
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1>
step5:生成的文件路径
C:\Users\wangrusheng\PycharmProjects\FastAPIProject1\input.txt
object_size = 0.5
-0.5000, -0.5000, 0.0000, 1.0000, 0.0000, 0.0000
0.5000, -0.5000, 0.0000, 1.0000, 0.0000, 0.0000
0.0000, 0.5000, 0.0000, 1.0000, 0.0000, 0.0000///我是分割线 旧的实现方式
step101:
至少旧样式可以了
参考下面的代码格式，给我生成一个立方体的参数 ，在input.txt文件中4. 示例输入文件格式 (input.txt)# 变量定义
size = 0.8
color_red = 1.0# 顶点数据（前3个为位置，后3个为颜色）
-size, -size, 0, color_red, 0, 0
size, -size, 0, 0, 1, 0
0, size, 0, 0, 0, 15. 示例输入文件格式 (input.txt)# 定义变量
size = 0.5
red = 1.0
green = 0.5
blue = sin(3.14159/2) # 支持数学函数# 顶点数据（位置xyz + 颜色rgb）
-size, -size, 0, red, 0, 0
size, -size, 0, 0, green, 0
0, size, 0, 0, 0, blue# 第二个三角形
0.2, 0.2, 0, 1, 1, 0
0.7, 0.2, 0, 1, 0, 1
0.45, 0.7, 0, 0, 1, 16. 立方体 示例输入文件格式 (input.txt)
# 定义变量
size = 0.5
red = 1.0
green = 1.0
blue = 1.0# 顶点数据（位置xyz + 颜色rgb）# 前面（红色）
-size, -size, size, red, 0, 0
size, -size, size, red, 0, 0
size, size, size, red, 0, 0
size, size, size, red, 0, 0
-size, size, size, red, 0, 0
-size, -size, size, red, 0, 0# 后面（绿色）
-size, -size, -size, 0, green, 0
size, -size, -size, 0, green, 0
size, size, -size, 0, green, 0
size, size, -size, 0, green, 0
-size, size, -size, 0, green, 0
-size, -size, -size, 0, green, 0# 左面（蓝色）
-size, -size, size, 0, 0, blue
-size, size, size, 0, 0, blue
-size, size, -size, 0, 0, blue
-size, size, -size, 0, 0, blue
-size, -size, -size, 0, 0, blue
-size, -size, size, 0, 0, blue# 右面（黄色：红+绿）
size, -size, size, red, green, 0
size, size, size, red, green, 0
size, size, -size, red, green, 0
size, size, -size, red, green, 0
size, -size, -size, red, green, 0
size, -size, size, red, green, 0# 顶面（品红：红+蓝）
-size, size, size, red, 0, blue
size, size, size, red, 0, blue
size, size, -size, red, 0, blue
size, size, -size, red, 0, blue
-size, size, -size, red, 0, blue
-size, size, size, red, 0, blue# 底面（青色：绿+蓝）
-size, -size, size, 0, green, blue
size, -size, size, 0, green, blue
size, -size, -size, 0, green, blue
size, -size, -size, 0, green, blue
-size, -size, -size, 0, green, blue
-size, -size, size, 0, green, blue7. 钻石形 示例输入文件格式 (input.txt)# 定义变量
radius = 0.8
red = 1.0
green = 0.5
blue = sin(3.14159/2)# 顶点数据（位置xyz + 颜色rgb）
# -------------------------------
# 顶部顶点 (北极点，红色渐变)
0, 0, radius, red, 0, 0# 赤道顶点 (动态颜色混合)
radius, 0, 0, 0, green, 0
0, radius, 0, red, green, 0
-radius, 0, 0, 0, green, blue
0, -radius, 0, red, 0, blue# 底部顶点 (南极点，蓝色渐变)
0, 0, -radius, 0, 0, blue# -------------------------------
# 三角形面数据（每个面3个顶点）
# 上半球
0, 0, radius, radius, 0, 0, 0, radius, 0, 0, green, 0
0, 0, radius, 0, radius, 0, -radius, 0, 0, 0, green, blue
0, 0, radius, -radius, 0, 0, 0, -radius, 0, red, 0, blue
0, 0, radius, 0, -radius, 0, radius, 0, 0, 0, green, 0# 下半球
0, 0, -radius, radius, 0, 0, 0, radius, 0, 0, green, 0
0, 0, -radius, 0, radius, 0, -radius, 0, 0, 0, green, blue
0, 0, -radius, -radius, 0, 0, 0, -radius, 0, red, 0, blue
0, 0, -radius, 0, -radius, 0, radius, 0, 0, 0, green, 0step102:
using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;
using System.Drawing;
using NCalc;
using Silk.NET.GLFW;
using Silk.NET.OpenGL;
using System.Runtime.InteropServices;namespace WinFormsApp8
{public unsafe partial class Form1 : Form{// OpenGL相关成员private GL gl;private Glfw glfw;private WindowHandle* glfwWindow;private System.Windows.Forms.Panel glPanel;private uint shaderProgram;private uint vao;private uint vbo;// 数据相关成员private readonly Dictionary<string, double> variables = new Dictionary<string, double>();private readonly List<float> verticesData = new List<float>();private DateTime _startTime = DateTime.Now;// Win32 API[DllImport("user32.dll")]private static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);[DllImport("user32.dll")]private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter,int X, int Y, int cx, int cy, SetWindowPosFlags uFlags);[DllImport("glfw3.dll", CallingConvention = CallingConvention.Cdecl)]private static extern IntPtr glfwGetWin32Window(WindowHandle* window);// 使用逐字字符串(@)避免转义反斜杠private string absolutePath = @"C:\Users\wangrusheng\PycharmProjects\FastAPIProject1\input.txt";[Flags]private enum SetWindowPosFlags : uint{FrameChanged = 0x0020}public Form1(){InitializeComponent();InitializeOpenGLPanel();this.Load += Form1_Load;this.Resize += Form1_Resize;}private void Form1_Load(object? sender, EventArgs e){try{SetupGLFWWindow();InitializeOpenGL();ProcessInputFile(absolutePath);SetupGeometry();StartRenderTimer();}catch (Exception ex){MessageBox.Show($"初始化失败: {ex.Message}");Close();}}private void InitializeOpenGLPanel(){glPanel = new Panel{Dock = DockStyle.Fill,BackColor = Color.Black};Controls.Add(glPanel);}private void SetupGLFWWindow(){glfw = Glfw.GetApi();glfw.Init();glfw.WindowHint(WindowHintInt.ContextVersionMajor, 3);glfw.WindowHint(WindowHintInt.ContextVersionMinor, 3);glfw.WindowHint(WindowHintOpenGlProfile.OpenGlProfile, OpenGlProfile.Core);glfw.WindowHint(WindowHintBool.Decorated, false);unsafe{glfwWindow = glfw.CreateWindow(glPanel.Width, glPanel.Height, "GLFW", null, null);glfw.ShowWindow(glfwWindow);var hwnd = glfwGetWin32Window(glfwWindow);SetParent(hwnd, glPanel.Handle);SetWindowPos(hwnd, IntPtr.Zero, 0, 0,glPanel.Width, glPanel.Height, SetWindowPosFlags.FrameChanged);glfw.MakeContextCurrent(glfwWindow);glfw.SwapInterval(1); }}private void InitializeOpenGL(){gl = GL.GetApi(glfw.GetProcAddress);gl.Viewport(0, 0, (uint)glPanel.Width, (uint)glPanel.Height);gl.Enable(EnableCap.DepthTest);// 着色器程序const string vertexShaderSource = @"#version 330 corelayout (location = 0) in vec3 aPos;layout (location = 1) in vec3 aColor;out vec3 ourColor;uniform float time;void main(){mat4 rotate = mat4(cos(time), 0.0, sin(time), 0.0,0.0, 1.0, 0.0, 0.0,-sin(time), 0.0, cos(time), 0.0,0.0, 0.0, 0.0, 1.0);gl_Position = rotate * vec4(aPos, 1.0);ourColor = aColor;}";const string fragmentShaderSource = @"#version 330 corein vec3 ourColor;out vec4 FragColor;void main(){FragColor = vec4(ourColor, 1.0);}";uint vertexShader = gl.CreateShader(ShaderType.VertexShader);gl.ShaderSource(vertexShader, vertexShaderSource);gl.CompileShader(vertexShader);uint fragmentShader = gl.CreateShader(ShaderType.FragmentShader);gl.ShaderSource(fragmentShader, fragmentShaderSource);gl.CompileShader(fragmentShader);shaderProgram = gl.CreateProgram();gl.AttachShader(shaderProgram, vertexShader);gl.AttachShader(shaderProgram, fragmentShader);gl.LinkProgram(shaderProgram);gl.DeleteShader(vertexShader);gl.DeleteShader(fragmentShader);}private void ProcessInputFile(string path){if (!File.Exists(path))throw new FileNotFoundException("找不到输入文件", path);variables.Clear();verticesData.Clear();foreach (var line in File.ReadLines(path)){var trimmed = line.Trim();if (string.IsNullOrEmpty(trimmed) || trimmed.StartsWith("#"))continue;ProcessLine(trimmed);}if (verticesData.Count % 6 != 0)throw new InvalidDataException("顶点数据格式不正确，应为每行6个浮点数");}private void ProcessLine(string line){try{if (line.Contains("=")) // 变量赋值{var parts = line.Split(new[] { '=' }, 2);var varName = parts[0].Trim();var expr = parts[1].Trim();variables[varName] = EvaluateExpression(expr);}else // 顶点数据{var values = line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);foreach (var value in values){var result = EvaluateExpression(value.Trim());verticesData.Add((float)result);}}}catch (Exception ex){throw new InvalidDataException($"处理行时出错: {line}\n错误信息: {ex.Message}");}}private double EvaluateExpression(string expr){var e = new Expression(expr, EvaluateOptions.IgnoreCase);// 转换字典类型：Dictionary<string, double> → Dictionary<string, object>var paramDict = variables.ToDictionary(kvp => kvp.Key, kvp => (object)kvp.Value // 添加显式类型转换);e.Parameters = paramDict;e.EvaluateFunction += (name, args) =>{// 示例：支持sin函数if (name.Equals("sin", StringComparison.OrdinalIgnoreCase)){args.Result = Math.Sin(Convert.ToDouble(args.Parameters[0].Evaluate()));}};var result = e.Evaluate();return Convert.ToDouble(result);}private void SetupGeometry(){vao = gl.GenVertexArray();vbo = gl.GenBuffer();gl.BindVertexArray(vao);gl.BindBuffer(BufferTargetARB.ArrayBuffer, vbo);var vertices = verticesData.ToArray();unsafe{fixed (float* ptr = vertices){gl.BufferData(BufferTargetARB.ArrayBuffer,(nuint)(vertices.Length * sizeof(float)),ptr, BufferUsageARB.StaticDraw);}}gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)0);gl.EnableVertexAttribArray(0);gl.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)(3 * sizeof(float)));gl.EnableVertexAttribArray(1);}private void StartRenderTimer(){var timer = new System.Windows.Forms.Timer { Interval = 16 };timer.Tick += (s, e) => Render();timer.Start();}private void SetupTriangle(){float[] vertices = {-0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 0.0f, // 左下 - 红色0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 0.0f, // 右下 - 绿色0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 1.0f // 顶部 - 蓝色};// 创建VAO/VBOvao = gl.GenVertexArray();vbo = gl.GenBuffer();gl.BindVertexArray(vao);gl.BindBuffer(BufferTargetARB.ArrayBuffer, vbo);fixed (float* ptr = vertices){gl.BufferData(BufferTargetARB.ArrayBuffer,(nuint)(vertices.Length * sizeof(float)),ptr, BufferUsageARB.StaticDraw);}// 位置属性gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)0);gl.EnableVertexAttribArray(0);// 颜色属性gl.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)(3 * sizeof(float)));gl.EnableVertexAttribArray(1);}private void SetupCube(){float[] vertices = {// 前面（红色）-0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,-0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,-0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,// 后面（绿色）-0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.0f,0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.0f,0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,-0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,-0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.0f,// 左面（蓝色）-0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,-0.5f, 0.5f, -0.5f, 0.0f, 0.0f, 1.0f,-0.5f, -0.5f, -0.5f, 0.0f, 0.0f, 1.0f,-0.5f, -0.5f, -0.5f, 0.0f, 0.0f, 1.0f,-0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,-0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,// 右面（黄色）0.5f, 0.5f, 0.5f, 1.0f, 1.0f, 0.0f,0.5f, 0.5f, -0.5f, 1.0f, 1.0f, 0.0f,0.5f, -0.5f, -0.5f, 1.0f, 1.0f, 0.0f,0.5f, -0.5f, -0.5f, 1.0f, 1.0f, 0.0f,0.5f, -0.5f, 0.5f, 1.0f, 1.0f, 0.0f,0.5f, 0.5f, 0.5f, 1.0f, 1.0f, 0.0f,// 顶面（品红）-0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 1.0f,0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 1.0f,0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f,0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f,-0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 1.0f,-0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 1.0f,// 底面（青色）-0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 1.0f,0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 1.0f,0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f,0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f,-0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f,-0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 1.0f};vao = gl.GenVertexArray();vbo = gl.GenBuffer();gl.BindVertexArray(vao);gl.BindBuffer(BufferTargetARB.ArrayBuffer, vbo);fixed (float* ptr = vertices){gl.BufferData(BufferTargetARB.ArrayBuffer,(nuint)(vertices.Length * sizeof(float)),ptr, BufferUsageARB.StaticDraw);}gl.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)0);gl.EnableVertexAttribArray(0);gl.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, 6 * sizeof(float), (void*)(3 * sizeof(float)));gl.EnableVertexAttribArray(1);}private void Render(){if (gl == null) return;gl.ClearColor(0.2f, 0.3f, 0.3f, 1.0f);gl.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);gl.UseProgram(shaderProgram);float time = (float)(DateTime.Now - _startTime).TotalSeconds;gl.Uniform1(gl.GetUniformLocation(shaderProgram, "time"), time);gl.BindVertexArray(vao);gl.DrawArrays(PrimitiveType.Triangles, 0, (uint)(verticesData.Count / 6));unsafe{glfw.SwapBuffers(glfwWindow);}glfw.PollEvents();}protected override void OnResize(EventArgs e){base.OnResize(e);if (glfwWindow != null && glPanel != null){glfw.SetWindowSize(glfwWindow, glPanel.Width, glPanel.Height);nint hwnd = glfwGetWin32Window(glfwWindow);SetWindowPos(hwnd, IntPtr.Zero, 0, 0,glPanel.Width, glPanel.Height, SetWindowPosFlags.FrameChanged);gl?.Viewport(0, 0, (uint)glPanel.Width, (uint)glPanel.Height);}}#region 窗口事件处理private void Form1_Resize(object? sender, EventArgs e){if (glfwWindow == null || glPanel == null) return;glfw.SetWindowSize(glfwWindow, glPanel.Width, glPanel.Height);var hwnd = glfwGetWin32Window(glfwWindow);SetWindowPos(hwnd, IntPtr.Zero, 0, 0,glPanel.Width, glPanel.Height, SetWindowPosFlags.FrameChanged);gl?.Viewport(0, 0, (uint)glPanel.Width, (uint)glPanel.Height);}protected override void OnFormClosing(FormClosingEventArgs e){base.OnFormClosing(e);if (gl != null){gl.DeleteBuffer(vbo);gl.DeleteVertexArray(vao);gl.DeleteProgram(shaderProgram);}glfw?.Terminate();}#endregion}}
我是分割线
我希望用python生成 人体3d图
step201:
import math
import argparsedef generate_triangle(size=0.5, color=(1.0, 0.0, 0.0)):"""生成三角形顶点数据"""return [(-size, -size, 0.0, *color),(size, -size, 0.0, *color),(0.0, size, 0.0, *color)]def generate_cuboid(width, height, depth, color):"""生成长方体顶点数据（单一颜色）"""vertices = []w, h, d = width / 2, height / 2, depth / 2# 前面 (z = d)vertices.extend([(-w, -h, d, *color), (w, -h, d, *color), (w, h, d, *color)])vertices.extend([(w, h, d, *color), (-w, h, d, *color), (-w, -h, d, *color)])# 后面 (z = -d)vertices.extend([(-w, -h, -d, *color), (w, -h, -d, *color), (w, h, -d, *color)])vertices.extend([(w, h, -d, *color), (-w, h, -d, *color), (-w, -h, -d, *color)])# 左面 (x = -w)vertices.extend([(-w, -h, -d, *color), (-w, -h, d, *color), (-w, h, d, *color)])vertices.extend([(-w, h, d, *color), (-w, h, -d, *color), (-w, -h, -d, *color)])# 右面 (x = w)vertices.extend([(w, -h, -d, *color), (w, -h, d, *color), (w, h, d, *color)])vertices.extend([(w, h, d, *color), (w, h, -d, *color), (w, -h, -d, *color)])# 顶面 (y = h)vertices.extend([(-w, h, -d, *color), (w, h, -d, *color), (w, h, d, *color)])vertices.extend([(w, h, d, *color), (-w, h, d, *color), (-w, h, -d, *color)])# 底面 (y = -h)vertices.extend([(-w, -h, -d, *color), (w, -h, -d, *color), (w, -h, d, *color)])vertices.extend([(w, -h, d, *color), (-w, -h, d, *color), (-w, -h, -d, *color)])return verticesdef generate_sphere(radius=0.5,rings=16,sectors=32,color_top=(1.0, 0.0, 0.0),color_bottom=(0.0, 0.0, 1.0)
):"""生成球体顶点数据"""vertices = []for i in range(rings + 1):phi = math.pi * i / ringsfor j in range(sectors + 1):theta = 2 * math.pi * j / sectorsx = radius * math.sin(phi) * math.cos(theta)y = radius * math.cos(phi)z = radius * math.sin(phi) * math.sin(theta)t = i / ringsr = color_top[0] * (1 - t) + color_bottom[0] * tg = color_top[1] * (1 - t) + color_bottom[1] * tb = color_top[2] * (1 - t) + color_bottom[2] * tvertices.append((x, y, z, r, g, b))indices = []for i in range(rings):for j in range(sectors):a = i * (sectors + 1) + jb = a + 1c = (i + 1) * (sectors + 1) + jd = c + 1indices.extend([a, c, b, b, c, d])return [vertices[i] for i in indices]def generate_human(torso_size=(0.3, 0.5, 0.2),head_radius=0.2,arm_length=0.4,arm_thickness=0.1,leg_length=0.6,leg_thickness=0.15,torso_color=(0.5, 0.5, 0.5),head_color=(1.0, 0.8, 0.6),arm_color=(0.0, 0.0, 1.0),leg_color=(0.0, 0.0, 1.0)
):"""生成人体模型顶点数据"""vertices = []torso_w, torso_h, torso_d = torso_size# 躯干torso = generate_cuboid(torso_w, torso_h, torso_d, torso_color)vertices.extend(torso)# 头部head = generate_sphere(radius=head_radius,rings=10,sectors=20,color_top=head_color,color_bottom=head_color)head = [(x, y + torso_h / 2 + head_radius, z, *c) for x, y, z, *c in head]vertices.extend(head)# 手臂arm_w, arm_h, arm_d = arm_thickness, arm_length, arm_thickness# 左臂left_arm = generate_cuboid(arm_w, arm_h, arm_d, arm_color)left_arm = [(x - torso_w / 2 - arm_w / 2, y, z, *c) for x, y, z, *c in left_arm]vertices.extend(left_arm)# 右臂right_arm = generate_cuboid(arm_w, arm_h, arm_d, arm_color)right_arm = [(x + torso_w / 2 + arm_w / 2, y, z, *c) for x, y, z, *c in right_arm]vertices.extend(right_arm)# 腿部leg_w, leg_h, leg_d = leg_thickness, leg_length, leg_thickness# 左腿left_leg = generate_cuboid(leg_w, leg_h, leg_d, leg_color)left_leg = [(x - torso_w / 4, y - torso_h / 2 - leg_h / 2, z, *c) for x, y, z, *c in left_leg]vertices.extend(left_leg)# 右腿right_leg = generate_cuboid(leg_w, leg_h, leg_d, leg_color)right_leg = [(x + torso_w / 4, y - torso_h / 2 - leg_h / 2, z, *c) for x, y, z, *c in right_leg]vertices.extend(right_leg)return verticesdef save_to_file(filename, vertices):with open(filename, 'w') as f:for v in vertices:line = ", ".join(f"{x:.4f}" if isinstance(x, float) else str(x) for x in v)f.write(line + "\n")if __name__ == "__main__":parser = argparse.ArgumentParser(description="生成3D形状顶点数据")parser.add_argument("shape", choices=["triangle", "cube", "sphere", "human"])parser.add_argument("-o", "--output", default="output.txt")# 通用参数parser.add_argument("--size", type=float, default=0.5)parser.add_argument("--color", nargs=3, type=float)# 球体参数parser.add_argument("--rings", type=int, default=16)parser.add_argument("--sectors", type=int, default=32)parser.add_argument("--color-top", nargs=3, type=float, default=[1, 0, 0])parser.add_argument("--color-bottom", nargs=3, type=float, default=[0, 0, 1])# 人体参数parser.add_argument("--torso-size", nargs=3, type=float, default=[0.3, 0.5, 0.2])parser.add_argument("--head-radius", type=float, default=0.2)parser.add_argument("--arm-length", type=float, default=0.4)parser.add_argument("--arm-thickness", type=float, default=0.1)parser.add_argument("--leg-length", type=float, default=0.6)parser.add_argument("--leg-thickness", type=float, default=0.15)parser.add_argument("--torso-color", nargs=3, type=float, default=[0.5, 0.5, 0.5])parser.add_argument("--head-color", nargs=3, type=float, default=[1.0, 0.8, 0.6])parser.add_argument("--arm-color", nargs=3, type=float, default=[0, 0, 1])parser.add_argument("--leg-color", nargs=3, type=float, default=[0, 0, 1])args = parser.parse_args()# 生成顶点数据if args.shape == "triangle":vertices = generate_triangle(args.size, args.color or (1, 0, 0))elif args.shape == "cube":vertices = generate_cuboid(args.size, args.size, args.size, args.color or (1, 0, 0))elif args.shape == "sphere":vertices = generate_sphere(radius=args.size,rings=args.rings,sectors=args.sectors,color_top=args.color_top,color_bottom=args.color_bottom)elif args.shape == "human":vertices = generate_human(torso_size=args.torso_size,head_radius=args.head_radius,arm_length=args.arm_length,arm_thickness=args.arm_thickness,leg_length=args.leg_length,leg_thickness=args.leg_thickness,torso_color=args.torso_color,head_color=args.head_color,arm_color=args.arm_color,leg_color=args.leg_color)save_to_file(args.output, vertices)print(f"已生成 {len(vertices)} 个顶点到 {args.output}")
step202:新建文件 C:\Users\wangrusheng\PycharmProjects\FastAPIProject1\run_script.bat
@echo off
python generate_shape.py human --torso-size 0.25 0.6 0.15 --head-radius 0.18 --arm-length 0.35 --arm-thickness 0.08 --leg-length 0.7 --leg-thickness 0.12 --torso-color 0.7 0.7 0.7 --head-color 1.0 0.9 0.7 --arm-color 0.2 0.2 1.0 --leg-color 0.2 0.2 1.0 -o custom_human.txt
pause
或者使用默认数据也行
(.venv) PS C:\Users\wangrusheng\PycharmProjects\FastAPIProject1> python generate_shape.py human -o human.txt
已生成 1380 个顶点到 human.txtend
)
)
