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HelloVulkan/CMakeLists.txt
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atdunbg 1c4b6f37ff feat: Jolt 物理系统——刚体/碰撞体/物理调试图元 + 引擎时间单源
- PhysicsWorld:Jolt 集成,Dynamic/Kinematic/Static 刚体,姿态写回
  Transform(Unity FixedUpdate 语义,吃 scaled dt,暂停自动冻结)
- 碰撞体:Box(默认/手动 halfExtents)+ Mesh 碰撞体(Static→精确
  MeshShape / Dynamic·Kinematic→ConvexHull,数据源 = Mesh ctor 缓存
  的 CPU 位置副本,退化三角剔除,失败回退 Box 并告警)
- PhysicsDebugPass:物理调试图元每帧上传绘制(debug_line shader)
- Time:引擎时间单源(BeginFrame 落定 FrameTime,scaled/unscaled 分离)
- JoltPhysics 以 submodule 接入(官方 url)
2026-10-02 20:08:54 +08:00

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CMake
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cmake_minimum_required(VERSION 3.20)
project(HelloVulkan CXX)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_BINARY_DIR ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
# 第三方库
add_subdirectory(Lib/glfw)
add_subdirectory(Lib/glm)
add_subdirectory(Lib/spdlog)
add_subdirectory(Lib/stb)
# meshoptimizer(submodule,LOD 网格简化;demo/gltfpack 默认关闭,install 不需要)
set(MESHOPT_INSTALL OFF CACHE BOOL "" FORCE)
add_subdirectory(Lib/meshoptimizer)
# ---- Jolt Physics(submodule v5.6,刚体/软体/角色/载具模拟)----
# 顶层 CMake 在 Build/ 子目录;只编 jolt 静态库,示例/测试目标默认全关
set(JPH_BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
set(INTERPROCEDURAL_OPTIMIZATION OFF CACHE BOOL "" FORCE) # LTO 拖慢开发迭代
set(OVERRIDE_CXX_FLAGS OFF CACHE BOOL "" FORCE) # 不动全局优化参数
set(FLOATING_POINT_EXCEPTIONS_ENABLED OFF CACHE BOOL "" FORCE) # NaN 进物理不炸,仅报警
# JPH_USE_CPU_COMPUTE 默认 ON,需要 DXC 把 Shaders/*.hlsl 编成 .spv(本机无
# 工具链);我们不使用 Jolt 的 GPU compute 路径,连同后端 shader 一并关掉
set(JPH_USE_CPU_COMPUTE OFF CACHE BOOL "" FORCE)
set(JPH_USE_DX12 OFF CACHE BOOL "" FORCE)
set(JPH_USE_VK OFF CACHE BOOL "" FORCE)
set(JPH_USE_MTL OFF CACHE BOOL "" FORCE)
add_subdirectory(Lib/JoltPhysics/Build)
# ---- Assimp(vendored submodule,模型导入;只编译需要的 importer) ----
set(BUILD_SHARED_LIBS OFF) # 静态链接
set(ASSIMP_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(ASSIMP_BUILD_ASSIMP_TOOLS OFF CACHE BOOL "" FORCE) # 不编 assimp_cmd 等工具
set(ASSIMP_INSTALL OFF CACHE BOOL "" FORCE)
set(ASSIMP_WARNINGS_AS_ERRORS OFF CACHE BOOL "" FORCE) # assimp 源码警告多
set(ASSIMP_INJECT_DEBUG_POSTFIX OFF CACHE BOOL "" FORCE)
set(ASSIMP_NO_EXPORT ON CACHE BOOL "" FORCE) # 彻底移除导出代码
set(ASSIMP_BUILD_ALL_IMPORTERS_BY_DEFAULT OFF CACHE BOOL "" FORCE) # 全关,按需开
set(ASSIMP_BUILD_DRACO OFF CACHE BOOL "" FORCE)
# 用 assimp 自带 contrib zlib(而非系统 zlib)。原因:系统 zlib 会使 assimp 走
# pkg-config 找系统 minizip,而 Arch 的 minizip 头文件在 /usr/include/minizip/
# 子目录,与 assimp 的 #include <unzip.h> 不符 → ZipArchiveIOSystem 编译失败。
# 自带 zlib 后 ASSIMP_BUILD_MINIZIP=1,跳过 pkg-config,直接用 contrib/unzip。
set(ASSIMP_BUILD_ZLIB ON CACHE BOOL "" FORCE)
# 清除首次 configure 残留的 UNZIP_FOUND 缓存(INTERNAL=1 会持续生效,
# 使 assimp 误判系统 minizip 可用而不把 contrib/unzip 加进 include 路径)。
set(UNZIP_FOUND OFF CACHE INTERNAL "" FORCE)
# 需要的导入格式(按需增减,每关一个省编译时间):
set(ASSIMP_BUILD_OBJ_IMPORTER ON CACHE BOOL "" FORCE)
set(ASSIMP_BUILD_GLTF_IMPORTER ON CACHE BOOL "" FORCE) # glTF1+2 同一选项
set(ASSIMP_BUILD_FBX_IMPORTER ON CACHE BOOL "" FORCE)
set(ASSIMP_BUILD_STL_IMPORTER ON CACHE BOOL "" FORCE)
set(ASSIMP_BUILD_PLY_IMPORTER ON CACHE BOOL "" FORCE)
add_subdirectory(Lib/assimp)
# Vulkan
find_package(Vulkan REQUIRED)
# Engine 和 App
add_subdirectory(Engine)
add_subdirectory(App)
file(GLOB ASSETS "assets")
file(COPY ${ASSETS} DESTINATION ${CMAKE_BINARY_DIR})