qt部件选择
Qt 6：需要手动选择 Qt Shader Tools 和 Qt 5 Compatibility Module（如果需要兼容旧代码）
cmake文件
cmake_minimum_required(VERSION 3.16) # Qt6 推荐最低 CMake 3.16
project(myself VERSION 0.1 LANGUAGES CXX)set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)# 修改1：Qt6 的 OpenGL 组件名称为 OpenGLWidgets（原 OpenGL 已弃用）
find_package(Qt6 REQUIRED COMPONENTS Widgets OpenGLWidgets Gui)if(MSVC)add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>""$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
endif()set(PROJECT_SOURCESmain.cppmainwindow.cppmainwindow.hUiManager.hUiManager.cppmyDialog.cppmyDialog.hGameOpenglWidget.hGameOpenglWidget.cpp
)qt_add_executable(myselfMANUAL_FINALIZATION${PROJECT_SOURCES}app.qrc
)# 修改2：链接 OpenGLWidgets 模块 + 系统 OpenGL 库
target_link_libraries(myself PRIVATE Qt6::Widgets Qt6::OpenGLWidgets # 替换 Qt6::OpenGLQt6::Gui
)# 新增：链接系统级 OpenGL 库（不同平台处理）
if(WIN32)target_link_libraries(myself PRIVATE opengl32)
elseif(UNIX AND NOT APPLE)target_link_libraries(myself PRIVATE GL)
elseif(APPLE)find_library(OPENGL_LIBRARY OpenGL)target_link_libraries(myself PRIVATE ${OPENGL_LIBRARY})
endif()# 修改3：MACOSX_BUNDLE 属性仅在 macOS 生效
if(APPLE)set_target_properties(myself PROPERTIESMACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}MACOSX_BUNDLE TRUE)
elseif(WIN32)set_target_properties(myself PROPERTIESWIN32_EXECUTABLE TRUE)
endif()include(GNUInstallDirs)
install(TARGETS myselfBUNDLE DESTINATION .LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)# 修改4：更稳健的 Qt6 版本判断
if(Qt6_VERSION)qt_finalize_executable(myself)
endif()1.opengl在游戏画面中的优势
可以直接控制渲染细节
简单的三角形绘制
#pragma once
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions {Q_OBJECT
public:explicit GLWidget(QWidget *parent = nullptr);~GLWidget() override;protected:void initializeGL() override;void resizeGL(int w, int h) override;void paintGL() override;private:QOpenGLShaderProgram *shaderProgram;
};#include "GameOpenGLWidget.h"GLWidget::GLWidget(QWidget *parent): QOpenGLWidget(parent),shaderProgram(nullptr),VAO(0), VBO(0) // 初始化 VAO
{}GLWidget::~GLWidget() {}void GLWidget::initializeGL() {initializeOpenGLFunctions();
}void GLWidget::resizeGL(int w, int h) {glViewport(0,0,w,h);
}void GLWidget::paintGL() {glBegin(GL_TRIANGLES);glVertex3f(-1.0f, -1.0f,0.0f);glVertex3f(1.0f, -1.0f,0.0f);glVertex3f(0.0f, 1.0f,0.0f);glEnd();}
