.MinGW-w64 ダウンロード

https://github.com/niXman/mingw-builds-binaries/releases

例
バージョン 13.1.0の場合
x86_64-13.1.0-release-win32-seh-msvcrt-rt_v11-rev1.7z

.ファイル構成

.vscode
    c_cpp_properties.json
    launch.json
    tasks.json
main.cpp

c_cpp_properties.json

{
    "configurations": [
        {
            "name": "Win32",
            "includePath": [
                "${workspaceFolder}/**",
                "C:/13_1_0_x86_64_w64", // DXライブラリのパス
                "C:/mingw64/include" // MinGW-w64のパス
            ],
            "defines": [
                "_DEBUG",
                "MBCS",
                "_MBCS"
            ],
            "windowsSdkVersion": "10.0.18362.0",
            "compilerPath": "C:/mingw64/bin/gcc.exe", // MinGW-w64のパス
            "cStandard": "c11",
            "cppStandard": "c++14",
            "intelliSenseMode": "gcc-x86",
            "compilerArgs": [
                "-DDX_GCC_COMPILE",
                "-DDX_NON_INLINE_ASM"
            ]
        }
    ],
    "version": 4
}

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) 起動",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/main.exe", // 実行ファイルのパス
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": true,
            "MIMode": "gdb",
            "miDebuggerPath": "C:/mingw64/bin/gdb.exe", // MinGW-w64のパス
            "setupCommands": [
                {
                    "description": "gdb の再フォーマットを有効にする",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ],
            "preLaunchTask": "build"
        }
    ]
}

task.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "build",
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "dependsOn": [
                "compile",
                "link"
            ],
            "dependsOrder": "sequence"
        },
        {
            "label": "compile",
            "type": "shell",
            "command": "g++.exe",
            "args": [
                "-g",
                "-c",
                "main.cpp", // ソースコード ファイル名
                "-IC:/mingw64/include", // MinGW-w64のパス
                "-IC:/13_1_0_x86_64_w64", // DXライブラリのパス
                "-I",
                ".",
                "-DDX_GCC_COMPILE",
                "-DDX_NON_INLINE_ASM",
            ],
            "problemMatcher": [
                "$gcc"
            ]
        },
        {
            "label": "link",
            "type": "shell",
            "command": "g++",
            "args": [
                "main.o",
                "-mwindows",
                "-LC:/mingw64/lib", // MinGW-w64のパス
                "-LC:/13_1_0_x86_64_w64", // DXライブラリのパス
                "-lDxLib",
                "-lDxUseCLib",
                "-lDxDrawFunc",
                "-ljpeg",
                "-lpng",
                "-lzlib",
                "-ltiff",
                "-ltheora_static",
                "-lvorbis_static",
                "-lvorbisfile_static",
                "-logg_static",
                "-lbulletdynamics",
                "-lbulletcollision",
                "-lbulletmath",
                "-lopusfile",
                "-lopus",
                "-lsilk_common",
                "-lcelt",
                "-o",
                "main.exe" // 実行ファイル名
            ],
            "problemMatcher": [
                "$gcc"
            ]
        }
    ]
}

main.cpp

#include "DxLib.h"

// プログラムは WinMain から始まります
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	if (DxLib_Init() == -1) // ＤＸライブラリ初期化処理
	{
		return -1; // エラーが起きたら直ちに終了
	}

	ChangeWindowMode(TRUE);

	DrawPixel(320, 200, GetColor(0, 255, 0)); // 点を打つ
	DrawPixel(320, 240, GetColor(255, 255, 255)); // 点を打つ

	WaitKey(); // キー入力待ち

	DxLib_End(); // ＤＸライブラリ使用の終了処理

	return 0; // ソフトの終了
}