{"id":44648,"date":"2025-06-20T07:31:59","date_gmt":"2025-06-19T23:31:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44648.html"},"modified":"2025-06-20T07:31:59","modified_gmt":"2025-06-19T23:31:59","slug":"%e3%80%90opengl%e5%ad%a6%e4%b9%a0%e3%80%91%ef%bc%88%e5%9b%9b%ef%bc%89%e7%bb%9f%e4%b8%80%e7%9d%80%e8%89%b2%e5%92%8c%e6%8f%92%e5%80%bc%e7%9d%80%e8%89%b2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44648.html","title":{"rendered":"\u3010OpenGL\u5b66\u4e60\u3011\uff08\u56db\uff09\u7edf\u4e00\u7740\u8272\u548c\u63d2\u503c\u7740\u8272"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u3010OpenGL\u5b66\u4e60\u3011&#xff08;\u56db&#xff09;\u7edf\u4e00\u7740\u8272\u548c\u63d2\u503c\u7740\u8272<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>\u7edf\u4e00\u7740\u8272&#xff08;Flat\/Uniform Shading&#xff09;<\/li>\n<li>\u63d2\u503c\u7740\u8272&#xff08;Interpolated Shading&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u3010OpenGL\u5b66\u4e60\u3011&#xff08;\u56db&#xff09;\u7edf\u4e00\u7740\u8272\u548c\u63d2\u503c\u7740\u8272<\/h2>\n<p>\u7740\u8272\u5668\u4ecb\u7ecd&#xff1a; https:\/\/learnopengl-cn.github.io\/01%20Getting%20started\/05%20Shaders\/<\/p>\n<h4>\u7edf\u4e00\u7740\u8272&#xff08;Flat\/Uniform Shading&#xff09;<\/h4>\n<p>\u7edf\u4e00\u7740\u8272\u4e0b&#xff0c;\u6240\u6709\u50cf\u7d20\u4f7f\u7528\u76f8\u540c\u7684\u989c\u8272&#xff0c;\u6ca1\u6709\u63d2\u503c&#xff0c;\u4e0d\u8003\u8651\u5149\u7167\u3001\u6750\u8d28\u7b49\u7ec6\u8282\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;glad\/glad.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;GLFW\/glfw3.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cmath&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">framebuffer_size_callback<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow<span class=\"token operator\">*<\/span> window<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> width<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">processInput<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow <span class=\"token operator\">*<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7a97\u53e3\u8bbe\u7f6e<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> SCR_WIDTH <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">800<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> SCR_HEIGHT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">600<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9876\u70b9\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6ca1\u6709\u989c\u8272\u8f93\u5165&#xff0c;\u4ec5\u8d1f\u8d23\u8bbe\u7f6e\u9876\u70b9\u4f4d\u7f6e<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>vertexShaderSource <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;#version 330 core\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;layout (location &#061; 0) in vec3 aPos;\\\\n&#034;<\/span>  <span class=\"token comment\">\/\/ \u4f4d\u7f6e\u5c5e\u6027<\/span><br \/>\n    <span class=\"token string\">&#034;void main()\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;   gl_Position &#061; vec4(aPos, 1.0);\\\\n&#034;<\/span>   <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u6700\u7ec8\u88c1\u526a\u7a7a\u95f4\u4f4d\u7f6e<\/span><br \/>\n    <span class=\"token string\">&#034;}\\\\0&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7247\u6bb5\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n<span class=\"token comment\">\/\/ \u4f7f\u7528 uniform \u7edf\u4e00\u53d8\u91cf\u63a5\u6536\u989c\u8272&#xff0c;\u5b9e\u73b0\u7edf\u4e00\u7740\u8272<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fragmentShaderSource <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;#version 330 core\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;out vec4 FragColor;\\\\n&#034;<\/span>                <span class=\"token comment\">\/\/ \u8f93\u51fa\u989c\u8272<\/span><br \/>\n    <span class=\"token string\">&#034;uniform vec4 ourColor;\\\\n&#034;<\/span>            <span class=\"token comment\">\/\/ uniform\u53d8\u91cf&#xff0c;\u5168\u5c40\u7edf\u4e00\u989c\u8272<\/span><br \/>\n    <span class=\"token string\">&#034;void main()\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{\\\\n&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;   FragColor &#061; ourColor;\\\\n&#034;<\/span>          <span class=\"token comment\">\/\/ \u6240\u6709\u50cf\u7d20\u90fd\u4f7f\u7528\u7edf\u4e00\u7684 ourColor \u503c&#xff0c;\u5373\u5b9e\u73b0\u7edf\u4e00\u7740\u8272<\/span><br \/>\n    <span class=\"token string\">&#034;}\\\\n\\\\0&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316 GLFW<\/span><br \/>\n    <span class=\"token function\">glfwInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_CONTEXT_VERSION_MAJOR<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ OpenGL \u7248\u672c\u53f7\u8bbe\u7f6e\u4e3a 3.3<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_CONTEXT_VERSION_MINOR<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_OPENGL_PROFILE<span class=\"token punctuation\">,<\/span> GLFW_OPENGL_CORE_PROFILE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4f7f\u7528\u6838\u5fc3\u6a21\u5f0f<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__APPLE__<\/span><\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_OPENGL_FORWARD_COMPAT<span class=\"token punctuation\">,<\/span> GL_TRUE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u517c\u5bb9 macOS<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u7a97\u53e3<\/span><br \/>\n    GLFWwindow<span class=\"token operator\">*<\/span> window <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glfwCreateWindow<\/span><span class=\"token punctuation\">(<\/span>SCR_WIDTH<span class=\"token punctuation\">,<\/span> SCR_HEIGHT<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;LearnOpenGL&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>window <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u521b\u5efa GLFW \u7a97\u53e3\u5931\u8d25&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glfwTerminate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">glfwMakeContextCurrent<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glfwSetFramebufferSizeCallback<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> framebuffer_size_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6ce8\u518c\u7a97\u53e3\u5927\u5c0f\u53d8\u5316\u56de\u8c03<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316 GLAD<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">gladLoadGLLoader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GLADloadproc<span class=\"token punctuation\">)<\/span>glfwGetProcAddress<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u521d\u59cb\u5316 GLAD \u5931\u8d25&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f16\u8bd1\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9876\u70b9\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> vertexShader <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateShader<\/span><span class=\"token punctuation\">(<\/span>GL_VERTEX_SHADER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glShaderSource<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>vertexShaderSource<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glCompileShader<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u9876\u70b9\u7740\u8272\u5668\u662f\u5426\u7f16\u8bd1\u6210\u529f<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> success<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> infoLog<span class=\"token punctuation\">[<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glGetShaderiv<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> GL_COMPILE_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetShaderInfoLog<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u9519\u8bef::\u7740\u8272\u5668::\u9876\u70b9::\u7f16\u8bd1\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7247\u6bb5\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> fragmentShader <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateShader<\/span><span class=\"token punctuation\">(<\/span>GL_FRAGMENT_SHADER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glShaderSource<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>fragmentShaderSource<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glCompileShader<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u7247\u6bb5\u7740\u8272\u5668\u662f\u5426\u7f16\u8bd1\u6210\u529f<\/span><br \/>\n    <span class=\"token function\">glGetShaderiv<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> GL_COMPILE_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetShaderInfoLog<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u9519\u8bef::\u7740\u8272\u5668::\u7247\u6bb5::\u7f16\u8bd1\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u7740\u8272\u5668\u7a0b\u5e8f\u5e76\u94fe\u63a5<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> shaderProgram <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateProgram<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glAttachShader<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glAttachShader<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glLinkProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u68c0\u67e5\u7740\u8272\u5668\u7a0b\u5e8f\u94fe\u63a5\u662f\u5426\u6210\u529f<\/span><br \/>\n    <span class=\"token function\">glGetProgramiv<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> GL_LINK_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetProgramInfoLog<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u9519\u8bef::\u7740\u8272\u5668::\u7a0b\u5e8f::\u94fe\u63a5\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5220\u9664\u7740\u8272\u5668\u5bf9\u8c61&#xff0c;\u5b83\u4eec\u5df2\u7ecf\u94fe\u63a5\u5230\u7a0b\u5e8f\u4e2d<\/span><br \/>\n    <span class=\"token function\">glDeleteShader<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteShader<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u9876\u70b9\u6570\u636e&#xff0c;\u4e09\u89d2\u5f62\u4e09\u4e2a\u9876\u70b9\u5750\u6807<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> vertices<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n         <span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u53f3\u4e0b\u89d2<\/span><br \/>\n        <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ \u5de6\u4e0b\u89d2<\/span><br \/>\n         <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span>   <span class=\"token comment\">\/\/ \u9876\u90e8<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> VBO<span class=\"token punctuation\">,<\/span> VAO<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glGenVertexArrays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9876\u70b9\u6570\u7ec4\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glGenBuffers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u9876\u70b9\u7f13\u51b2\u5bf9\u8c61<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9a VAO<\/span><br \/>\n    <span class=\"token function\">glBindVertexArray<\/span><span class=\"token punctuation\">(<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9a VBO&#xff0c;\u8bbe\u7f6e\u6570\u636e<\/span><br \/>\n    <span class=\"token function\">glBindBuffer<\/span><span class=\"token punctuation\">(<\/span>GL_ARRAY_BUFFER<span class=\"token punctuation\">,<\/span> VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glBufferData<\/span><span class=\"token punctuation\">(<\/span>GL_ARRAY_BUFFER<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>vertices<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> vertices<span class=\"token punctuation\">,<\/span> GL_STATIC_DRAW<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9876\u70b9\u5c5e\u6027\u6307\u9488<\/span><br \/>\n    <span class=\"token function\">glVertexAttribPointer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> GL_FLOAT<span class=\"token punctuation\">,<\/span> GL_FALSE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glEnableVertexAttribArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u542f\u7528\u9876\u70b9\u5c5e\u6027<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ render loop \u6e32\u67d3\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">glfwWindowShouldClose<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u8f93\u5165<\/span><br \/>\n        <span class=\"token function\">processInput<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6e05\u5c4f\u80cc\u666f\u8272<\/span><br \/>\n        <span class=\"token function\">glClearColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.2f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.3f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.3f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glClear<\/span><span class=\"token punctuation\">(<\/span>GL_COLOR_BUFFER_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6fc0\u6d3b\u7740\u8272\u5668\u7a0b\u5e8f<\/span><br \/>\n        <span class=\"token function\">glUseProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8211; \u8bbe\u7f6e uniform \u53d8\u91cf\u5b9e\u73b0\u7edf\u4e00\u7740\u8272 &#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u83b7\u53d6\u65f6\u95f4\u503c&#xff0c;\u7528\u6765\u52a8\u6001\u53d8\u5316\u989c\u8272<\/span><br \/>\n        <span class=\"token keyword\">double<\/span> timeValue <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glfwGetTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">float<\/span> greenValue <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">static_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">sin<\/span><span class=\"token punctuation\">(<\/span>timeValue<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2.0<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u83b7\u53d6 uniform \u53d8\u91cf\u4f4d\u7f6e<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> vertexColorLocation <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glGetUniformLocation<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ourColor&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7edf\u4e00\u989c\u8272\u4e3a\u52a8\u6001\u53d8\u5316\u7684\u7eff\u8272<\/span><br \/>\n        <span class=\"token function\">glUniform4f<\/span><span class=\"token punctuation\">(<\/span>vertexColorLocation<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> greenValue<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7ed8\u5236\u4e09\u89d2\u5f62<\/span><br \/>\n        <span class=\"token function\">glBindVertexArray<\/span><span class=\"token punctuation\">(<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glDrawArrays<\/span><span class=\"token punctuation\">(<\/span>GL_TRIANGLES<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4ea4\u6362\u7f13\u51b2\u533a&#xff0c;\u5904\u7406\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token function\">glfwSwapBuffers<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glfwPollEvents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5220\u9664\u8d44\u6e90<\/span><br \/>\n    <span class=\"token function\">glDeleteVertexArrays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteBuffers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">glfwTerminate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u91ca\u653e GLFW \u8d44\u6e90<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5904\u7406\u8f93\u5165\u4e8b\u4ef6&#xff1a;\u6309\u4e0b ESC \u952e\u5173\u95ed\u7a97\u53e3<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">processInput<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow <span class=\"token operator\">*<\/span>window<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">glfwGetKey<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> GLFW_KEY_ESCAPE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GLFW_PRESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token function\">glfwSetWindowShouldClose<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u89c6\u53e3\u8c03\u6574\u56de\u8c03<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">framebuffer_size_callback<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow<span class=\"token operator\">*<\/span> window<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> width<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> height<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8c03\u6574\u89c6\u53e3\u5927\u5c0f\u4ee5\u5339\u914d\u7a97\u53e3\u5927\u5c0f<\/span><br \/>\n    <span class=\"token function\">glViewport<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> width<span class=\"token punctuation\">,<\/span> height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250619233157-68549deda58cc.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7a0b\u5e8f\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\u7edf\u4e00\u7740\u8272&#xff1a;<\/p>\n<li>\n<p>\u7247\u6bb5\u7740\u8272\u5668\u4e2d\u5b9a\u4e49\u4e86 uniform \u53d8\u91cf&#xff1a;<\/p>\n<p> uniform vec4 ourColor;<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf&#xff0c;\u4f5c\u7528\u4e8e\u6240\u6709\u50cf\u7d20&#xff08;\u7247\u6bb5&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u7247\u6bb5\u7740\u8272\u5668\u7edf\u4e00\u4f7f\u7528\u8be5\u989c\u8272\u8f93\u51fa&#xff1a;<\/p>\n<p> FragColor &#061; ourColor;\n <\/li>\n<li>\n<p>\u901a\u8fc7 glUniform4f() \u8bbe\u7f6e\u989c\u8272\u503c&#xff1a;<\/p>\n<p>      <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8211; \u8bbe\u7f6e uniform \u53d8\u91cf\u5b9e\u73b0\u7edf\u4e00\u7740\u8272 &#8212;&#8212;&#8212;&#8212;<\/span><br \/>\n     <span class=\"token comment\">\/\/ \u83b7\u53d6\u65f6\u95f4\u503c&#xff0c;\u7528\u6765\u52a8\u6001\u53d8\u5316\u989c\u8272<\/span><br \/>\n     <span class=\"token keyword\">double<\/span> timeValue <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glfwGetTime<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n     <span class=\"token keyword\">float<\/span> greenValue <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">static_cast<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">sin<\/span><span class=\"token punctuation\">(<\/span>timeValue<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2.0<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n     <span class=\"token comment\">\/\/ \u83b7\u53d6 uniform \u53d8\u91cf\u4f4d\u7f6e<\/span><br \/>\n     <span class=\"token keyword\">int<\/span> vertexColorLocation <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glGetUniformLocation<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ourColor&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n     <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7edf\u4e00\u989c\u8272\u4e3a\u52a8\u6001\u53d8\u5316\u7684\u7eff\u8272<\/span><br \/>\n     <span class=\"token function\">glUniform4f<\/span><span class=\"token punctuation\">(<\/span>vertexColorLocation<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> greenValue<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n     <span class=\"token comment\">\/\/ &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/span>\n <\/li>\n<h4>\u63d2\u503c\u7740\u8272&#xff08;Interpolated Shading&#xff09;<\/h4>\n<p>\u63d2\u503c\u7740\u8272\u4e0b&#xff0c;\u5404\u4e2a\u50cf\u7d20\u7684\u989c\u8272\u662f\u6839\u636e\u5404\u4e2a\u9876\u70b9\u7684\u989c\u8272\u8fdb\u884c\u63d2\u503c\u5f97\u5230\u7684\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;glad\/glad.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;GLFW\/glfw3.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f53\u7a97\u53e3\u5927\u5c0f\u53d1\u751f\u53d8\u5316\u65f6&#xff0c;\u8c03\u6574\u89c6\u53e3<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">framebuffer_size_callback<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow<span class=\"token operator\">*<\/span> window<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> width<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> height<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">glViewport<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> width<span class=\"token punctuation\">,<\/span> height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5904\u7406\u8f93\u5165&#xff1a;\u6309\u4e0bESC\u952e\u5173\u95ed\u7a97\u53e3<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">processInput<\/span><span class=\"token punctuation\">(<\/span>GLFWwindow <span class=\"token operator\">*<\/span>window<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">glfwGetKey<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> GLFW_KEY_ESCAPE<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> GLFW_PRESS<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token function\">glfwSetWindowShouldClose<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7a97\u53e3\u5c3a\u5bf8<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> SCR_WIDTH <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">800<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> SCR_HEIGHT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">600<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u9876\u70b9\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>vertexShaderSource <span class=\"token operator\">&#061;<\/span> <span class=\"token raw-string string\">R&#034;glsl(<br \/>\n#version 330 core<br \/>\nlayout (location &#061; 0) in vec3 aPos;    \/\/ \u9876\u70b9\u4f4d\u7f6e<br \/>\nlayout (location &#061; 1) in vec3 aColor;  \/\/ \u9876\u70b9\u989c\u8272<\/p>\n<p>out vec3 ourColor; \/\/ \u8f93\u51fa\u53d8\u91cf&#xff0c;\u5c06\u4f20\u9012\u7ed9\u7247\u6bb5\u7740\u8272\u5668<\/p>\n<p>void main()<br \/>\n{<br \/>\n    gl_Position &#061; vec4(aPos, 1.0);<br \/>\n    ourColor &#061; aColor; \/\/ \u5c06\u6bcf\u4e2a\u9876\u70b9\u7684\u989c\u8272\u4f20\u9012\u7ed9\u7247\u6bb5\u7740\u8272\u5668<br \/>\n}<br \/>\n)glsl&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7247\u6bb5\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>fragmentShaderSource <span class=\"token operator\">&#061;<\/span> <span class=\"token raw-string string\">R&#034;glsl(<br \/>\n#version 330 core<br \/>\nin vec3 ourColor; \/\/ \u4ece\u9876\u70b9\u7740\u8272\u5668\u4f20\u5165\u7684\u989c\u8272&#xff08;\u5df2\u63d2\u503c&#xff09;<\/p>\n<p>out vec4 FragColor;<\/p>\n<p>void main()<br \/>\n{<br \/>\n    FragColor &#061; vec4(ourColor, 1.0); \/\/ \u4f7f\u7528\u63d2\u503c\u540e\u7684\u989c\u8272\u4f5c\u4e3a\u8f93\u51fa\u989c\u8272<br \/>\n}<br \/>\n)glsl&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5e76\u914d\u7f6eGLFW<\/span><br \/>\n    <span class=\"token function\">glfwInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_CONTEXT_VERSION_MAJOR<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ OpenGL\u4e3b\u7248\u672c\u53f7<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_CONTEXT_VERSION_MINOR<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ OpenGL\u6b21\u7248\u672c\u53f7<\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_OPENGL_PROFILE<span class=\"token punctuation\">,<\/span> GLFW_OPENGL_CORE_PROFILE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4f7f\u7528\u6838\u5fc3\u6a21\u5f0f<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">__APPLE__<\/span><\/span><br \/>\n    <span class=\"token function\">glfwWindowHint<\/span><span class=\"token punctuation\">(<\/span>GLFW_OPENGL_FORWARD_COMPAT<span class=\"token punctuation\">,<\/span> GL_TRUE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ Mac OS X\u9700\u8981<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u7a97\u53e3<\/span><br \/>\n    GLFWwindow<span class=\"token operator\">*<\/span> window <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glfwCreateWindow<\/span><span class=\"token punctuation\">(<\/span>SCR_WIDTH<span class=\"token punctuation\">,<\/span> SCR_HEIGHT<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u63d2\u503c\u7740\u8272\u793a\u4f8b&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>window <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u521b\u5efaGLFW\u7a97\u53e3\u5931\u8d25&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glfwTerminate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">glfwMakeContextCurrent<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7a97\u53e3\u5c3a\u5bf8\u53d8\u5316\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token function\">glfwSetFramebufferSizeCallback<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">,<\/span> framebuffer_size_callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316GLAD&#xff0c;\u52a0\u8f7dOpenGL\u51fd\u6570\u6307\u9488<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">gladLoadGLLoader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>GLADloadproc<span class=\"token punctuation\">)<\/span>glfwGetProcAddress<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u521d\u59cb\u5316GLAD\u5931\u8d25&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f16\u8bd1\u9876\u70b9\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> vertexShader <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateShader<\/span><span class=\"token punctuation\">(<\/span>GL_VERTEX_SHADER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u9876\u70b9\u7740\u8272\u5668\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glShaderSource<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>vertexShaderSource<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u9644\u52a0\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n    <span class=\"token function\">glCompileShader<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                                <span class=\"token comment\">\/\/ \u7f16\u8bd1\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u67e5\u7f16\u8bd1\u662f\u5426\u6210\u529f<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> success<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> infoLog<span class=\"token punctuation\">[<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glGetShaderiv<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> GL_COMPILE_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetShaderInfoLog<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ERROR::\u9876\u70b9\u7740\u8272\u5668::\u7f16\u8bd1\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7f16\u8bd1\u7247\u6bb5\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> fragmentShader <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateShader<\/span><span class=\"token punctuation\">(<\/span>GL_FRAGMENT_SHADER<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u7247\u6bb5\u7740\u8272\u5668\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glShaderSource<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>fragmentShaderSource<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u9644\u52a0\u7740\u8272\u5668\u6e90\u7801<\/span><br \/>\n    <span class=\"token function\">glCompileShader<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                                  <span class=\"token comment\">\/\/ \u7f16\u8bd1\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u67e5\u7f16\u8bd1\u662f\u5426\u6210\u529f<\/span><br \/>\n    <span class=\"token function\">glGetShaderiv<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> GL_COMPILE_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetShaderInfoLog<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ERROR::\u7247\u6bb5\u7740\u8272\u5668::\u7f16\u8bd1\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u94fe\u63a5\u7740\u8272\u5668\u7a0b\u5e8f<\/span><br \/>\n    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> shaderProgram <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">glCreateProgram<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/\/ \u521b\u5efa\u7a0b\u5e8f\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glAttachShader<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                <span class=\"token comment\">\/\/ \u9644\u52a0\u9876\u70b9\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token function\">glAttachShader<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u9644\u52a0\u7247\u6bb5\u7740\u8272\u5668<\/span><br \/>\n    <span class=\"token function\">glLinkProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                               <span class=\"token comment\">\/\/ \u94fe\u63a5\u7a0b\u5e8f<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u68c0\u67e5\u94fe\u63a5\u662f\u5426\u6210\u529f<\/span><br \/>\n    <span class=\"token function\">glGetProgramiv<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> GL_LINK_STATUS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>success<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">glGetProgramInfoLog<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">,<\/span> <span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> infoLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ERROR::\u7740\u8272\u5668\u7a0b\u5e8f::\u94fe\u63a5\u5931\u8d25\\\\n&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> infoLog <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5220\u9664\u7740\u8272\u5668\u5bf9\u8c61&#xff0c;\u5b83\u4eec\u5df2\u7ecf\u94fe\u63a5\u5230\u7a0b\u5e8f\u4e2d&#xff0c;\u4e0d\u518d\u9700\u8981<\/span><br \/>\n    <span class=\"token function\">glDeleteShader<\/span><span class=\"token punctuation\">(<\/span>vertexShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteShader<\/span><span class=\"token punctuation\">(<\/span>fragmentShader<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9876\u70b9\u6570\u636e\u548c\u7f13\u51b2&#xff0c;\u5e76\u914d\u7f6e\u9876\u70b9\u5c5e\u6027<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> vertices<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4f4d\u7f6e             \/\/ \u989c\u8272<\/span><br \/>\n         <span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u53f3\u4e0b\u89d2&#xff0c;\u7ea2\u8272<\/span><br \/>\n        <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u5de6\u4e0b\u89d2&#xff0c;\u7eff\u8272<\/span><br \/>\n         <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token number\">0.5f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span>  <span class=\"token comment\">\/\/ \u9876\u90e8&#xff0c;\u84dd\u8272<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">unsigned<\/span> <span class=\"token keyword\">int<\/span> VBO<span class=\"token punctuation\">,<\/span> VAO<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glGenVertexArrays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u751f\u6210\u9876\u70b9\u6570\u7ec4\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glGenBuffers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u751f\u6210\u9876\u70b9\u7f13\u51b2\u5bf9\u8c61<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u9876\u70b9\u6570\u7ec4\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glBindVertexArray<\/span><span class=\"token punctuation\">(<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u9876\u70b9\u7f13\u51b2\u5bf9\u8c61<\/span><br \/>\n    <span class=\"token function\">glBindBuffer<\/span><span class=\"token punctuation\">(<\/span>GL_ARRAY_BUFFER<span class=\"token punctuation\">,<\/span> VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u9876\u70b9\u6570\u636e\u590d\u5236\u5230\u7f13\u51b2\u4e2d<\/span><br \/>\n    <span class=\"token function\">glBufferData<\/span><span class=\"token punctuation\">(<\/span>GL_ARRAY_BUFFER<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>vertices<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> vertices<span class=\"token punctuation\">,<\/span> GL_STATIC_DRAW<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9876\u70b9\u4f4d\u7f6e\u5c5e\u6027\u6307\u9488<\/span><br \/>\n<span class=\"token comment\">\/\/ \u53c2\u6570\u8bf4\u660e&#xff1a;<\/span><br \/>\n<span class=\"token comment\">\/\/ 0 &#8211; \u6307\u5b9a\u8981\u4fee\u6539\u7684\u9876\u70b9\u5c5e\u6027\u7684\u4f4d\u7f6e\u503c&#xff08;\u4e0e\u9876\u70b9\u7740\u8272\u5668\u4e2d\u7684layout(location&#061;0)\u5bf9\u5e94&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ 3 &#8211; \u6bcf\u4e2a\u9876\u70b9\u5c5e\u6027\u75313\u4e2a\u5206\u91cf\u7ec4\u6210&#xff08;x,y,z\u5750\u6807&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ GL_FLOAT &#8211; \u6570\u636e\u7c7b\u578b\u4e3aGLfloat&#xff08;32\u4f4d\u6d6e\u70b9\u6570&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ GL_FALSE &#8211; \u8868\u793a\u4e0d\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406<\/span><br \/>\n<span class=\"token comment\">\/\/ 6 * sizeof(float) &#8211;  stride&#xff08;\u6b65\u957f&#xff09;&#xff0c;\u8868\u793a\u8fde\u7eed\u9876\u70b9\u4e4b\u95f4\u7684\u5b57\u8282\u504f\u79fb\u91cf<\/span><br \/>\n<span class=\"token comment\">\/\/                      \u8fd9\u91cc\u6bcf\u4e2a\u9876\u70b9\u67096\u4e2afloat&#xff08;3\u4e2a\u4f4d\u7f6e&#043;3\u4e2a\u989c\u8272&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ (void*)0 &#8211; \u8d77\u59cb\u504f\u79fb\u91cf&#xff0c;\u8868\u793a\u4f4d\u7f6e\u6570\u636e\u4ece\u7f13\u51b2\u533a\u7684\u5f00\u5934\u5f00\u59cb<\/span><br \/>\n<span class=\"token function\">glVertexAttribPointer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> GL_FLOAT<span class=\"token punctuation\">,<\/span> GL_FALSE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u542f\u7528\u9876\u70b9\u5c5e\u6027\u6570\u7ec40&#xff08;\u4f4d\u7f6e\u5c5e\u6027&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5fc5\u987b\u8c03\u7528\u6b64\u51fd\u6570\u624d\u80fd\u4f7f\u80fd\u9876\u70b9\u5c5e\u6027\u6570\u7ec4&#xff0c;\u5426\u5219\u8be5\u5c5e\u6027\u4e0d\u4f1a\u88ab\u4f7f\u7528<\/span><br \/>\n<span class=\"token function\">glEnableVertexAttribArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9876\u70b9\u989c\u8272\u5c5e\u6027\u6307\u9488<\/span><br \/>\n<span class=\"token comment\">\/\/ \u53c2\u6570\u8bf4\u660e&#xff1a;<\/span><br \/>\n<span class=\"token comment\">\/\/ 1 &#8211; \u6307\u5b9a\u8981\u4fee\u6539\u7684\u9876\u70b9\u5c5e\u6027\u7684\u4f4d\u7f6e\u503c&#xff08;\u4e0e\u9876\u70b9\u7740\u8272\u5668\u4e2d\u7684layout(location&#061;1)\u5bf9\u5e94&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ 3 &#8211; \u6bcf\u4e2a\u9876\u70b9\u5c5e\u6027\u75313\u4e2a\u5206\u91cf\u7ec4\u6210&#xff08;r,g,b\u989c\u8272&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ GL_FLOAT &#8211; \u6570\u636e\u7c7b\u578b\u4e3aGLfloat&#xff08;32\u4f4d\u6d6e\u70b9\u6570&#xff09;<\/span><br \/>\n<span class=\"token comment\">\/\/ GL_FALSE &#8211; \u8868\u793a\u4e0d\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406<\/span><br \/>\n<span class=\"token comment\">\/\/ 6 * sizeof(float) &#8211; \u76f8\u540c\u7684stride\u503c&#xff0c;\u56e0\u4e3a\u9876\u70b9\u6570\u636e\u662f\u4ea4\u9519\u6392\u5217\u7684<\/span><br \/>\n<span class=\"token comment\">\/\/ (void*)(3 * sizeof(float)) &#8211; \u8d77\u59cb\u504f\u79fb\u91cf&#xff0c;\u8868\u793a\u989c\u8272\u6570\u636e\u4ece\u7b2c4\u4e2afloat\u5f00\u59cb<\/span><br \/>\n<span class=\"token comment\">\/\/                            &#xff08;\u524d3\u4e2afloat\u662f\u4f4d\u7f6e\u6570\u636e&#xff09;<\/span><br \/>\n<span class=\"token function\">glVertexAttribPointer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> GL_FLOAT<span class=\"token punctuation\">,<\/span> GL_FALSE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u542f\u7528\u9876\u70b9\u5c5e\u6027\u6570\u7ec41&#xff08;\u989c\u8272\u5c5e\u6027&#xff09;<\/span><br \/>\n<span class=\"token function\">glEnableVertexAttribArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4f7f\u7528\u7740\u8272\u5668\u7a0b\u5e8f<\/span><br \/>\n    <span class=\"token function\">glUseProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6e32\u67d3\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">glfwWindowShouldClose<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u8f93\u5165<\/span><br \/>\n        <span class=\"token function\">processInput<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6e05\u9664\u989c\u8272\u7f13\u51b2<\/span><br \/>\n        <span class=\"token function\">glClearColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.2f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.3f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.3f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u6e05\u9664\u989c\u8272<\/span><br \/>\n        <span class=\"token function\">glClear<\/span><span class=\"token punctuation\">(<\/span>GL_COLOR_BUFFER_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u6e05\u9664\u989c\u8272\u7f13\u51b2<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u7ed8\u5236\u4e09\u89d2\u5f62<\/span><br \/>\n        <span class=\"token function\">glBindVertexArray<\/span><span class=\"token punctuation\">(<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ed1\u5b9aVAO<\/span><br \/>\n        <span class=\"token function\">glDrawArrays<\/span><span class=\"token punctuation\">(<\/span>GL_TRIANGLES<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ed8\u5236\u4e09\u89d2\u5f62<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4ea4\u6362\u7f13\u51b2\u533a\u5e76\u67e5\u8be2IO\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token function\">glfwSwapBuffers<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">glfwPollEvents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53ef\u9009&#xff1a;\u91ca\u653e\u8d44\u6e90<\/span><br \/>\n    <span class=\"token function\">glDeleteVertexArrays<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VAO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteBuffers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>VBO<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glDeleteProgram<\/span><span class=\"token punctuation\">(<\/span>shaderProgram<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ec8\u6b62GLFW&#xff0c;\u6e05\u7406\u8d44\u6e90<\/span><br \/>\n    <span class=\"token function\">glfwTerminate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250619233157-68549dedd6482.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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