testcone
bai
parent
86d1f6b27d
commit
aa0de467b4
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@ -0,0 +1,134 @@
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cmake_minimum_required(VERSION 3.13)
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project(Cone)
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# -----------------------------------------------------------------------------
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# EMSCRIPTEN only
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# -----------------------------------------------------------------------------
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if (NOT EMSCRIPTEN)
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message("Skipping example: This needs to run inside an Emscripten build environment")
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return ()
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endif ()
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# -----------------------------------------------------------------------------
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# Handle VTK dependency
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# -----------------------------------------------------------------------------
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find_package(VTK
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COMPONENTS
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FiltersSources # VTK pipeline
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InteractionStyle # Mouse handling
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RenderingOpenGL2 # For Rendering
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RenderingUI # For SDL2 Window
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CommonCore
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FiltersSources
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InteractionWidgets
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RenderingCore
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IOGeometry
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FiltersGeometry
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)
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if (NOT VTK_FOUND)
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message("Skipping example: ${VTK_NOT_FOUND_MESSAGE}")
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return ()
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endif ()
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# -----------------------------------------------------------------------------
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# Compile example code
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# -----------------------------------------------------------------------------
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add_executable(Cone Cone.cxx)
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target_link_libraries(Cone PRIVATE ${VTK_LIBRARIES})
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# -----------------------------------------------------------------------------
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# Optimizations
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# -----------------------------------------------------------------------------
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set(emscripten_optimizations)
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set(emscripten_debug_options)
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# Set a default build type if none was specified
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to 'Debug' as none was specified.")
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set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build." FORCE)
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# Set the possible values of build type for cmake-gui
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
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"MinSizeRel" "RelWithDebInfo")
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endif()
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if (CMAKE_BUILD_TYPE STREQUAL "Release")
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set(cone_wasm_optimize "BEST")
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set(cone_wasm_debuginfo "NONE")
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elseif (CMAKE_BUILD_TYPE STREQUAL "MinSizeRel")
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set(cone_wasm_optimize "SMALLEST_WITH_CLOSURE")
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set(cone_wasm_debuginfo "NONE")
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elseif (CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
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set(cone_wasm_optimize "MORE")
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set(cone_wasm_debuginfo "PROFILE")
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elseif (CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(cone_wasm_optimize "NO_OPTIMIZATION")
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set(cone_wasm_debuginfo "DEBUG_NATIVE")
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endif ()
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set(cone_wasm_optimize_NO_OPTIMIZATION "-O0")
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set(cone_wasm_optimize_LITTLE "-O1")
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set(cone_wasm_optimize_MORE "-O2")
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set(cone_wasm_optimize_BEST "-O3")
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set(cone_wasm_optimize_SMALLEST "-Os")
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set(cone_wasm_optimize_SMALLEST_WITH_CLOSURE "-Oz")
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set(cone_wasm_optimize_SMALLEST_WITH_CLOSURE_link "--closure=1")
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if (DEFINED "cone_wasm_optimize_${cone_wasm_optimize}")
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list(APPEND emscripten_optimizations
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${cone_wasm_optimize_${cone_wasm_optimize}})
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list(APPEND emscripten_link_options
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${cone_wasm_optimize_${cone_wasm_optimize}_link})
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else ()
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message (FATAL_ERROR "Unrecognized value for cone_wasm_optimize=${cone_wasm_optimize}")
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endif ()
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set(cone_wasm_debuginfo_NONE "-g0")
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set(cone_wasm_debuginfo_READABLE_JS "-g1")
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set(cone_wasm_debuginfo_PROFILE "-g2")
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set(cone_wasm_debuginfo_DEBUG_NATIVE "-g3")
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set(cone_wasm_debuginfo_DEBUG_NATIVE_link "-sASSERTIONS=1")
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if (DEFINED "cone_wasm_debuginfo_${cone_wasm_debuginfo}")
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list(APPEND emscripten_debug_options
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${cone_wasm_debuginfo_${cone_wasm_debuginfo}})
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list(APPEND emscripten_link_options
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${cone_wasm_debuginfo_${cone_wasm_debuginfo}_link})
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else ()
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message (FATAL_ERROR "Unrecognized value for cone_wasm_debuginfo=${cone_wasm_debuginfo}")
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endif ()
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target_compile_options(Cone
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PRIVATE
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${emscripten_compile_options}
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${emscripten_optimizations}
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${emscripten_debug_options})
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target_link_options(Cone
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PRIVATE
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${emscripten_link_options}
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${emscripten_optimizations}
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${emscripten_debug_options})
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# -----------------------------------------------------------------------------
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# VTK modules initialization
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# -----------------------------------------------------------------------------
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vtk_module_autoinit(
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TARGETS Cone
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MODULES ${VTK_LIBRARIES}
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)
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# -----------------------------------------------------------------------------
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# Copy HTML to build directory
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# -----------------------------------------------------------------------------
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add_custom_command(
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TARGET Cone
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POST_BUILD
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COMMAND
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${CMAKE_COMMAND} -E copy_if_different
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"${CMAKE_CURRENT_SOURCE_DIR}/index.html"
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$<TARGET_FILE_DIR:Cone>
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)
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@ -0,0 +1,87 @@
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#include <vtkActor.h>
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#include <vtkConeSource.h>
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#include <vtkInteractorStyleTrackballCamera.h>
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#include <vtkPolyDataMapper.h>
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#include <vtkRenderWindow.h>
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#include <vtkRenderWindowInteractor.h>
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#include <vtkRenderer.h>
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#include <vtkSliderWidget.h>
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#include <vtkSliderRepresentation2D.h>
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#include <vtkCommand.h>
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#include <vtkSmartPointer.h>
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// 滑动条回调类
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class SliderCallback : public vtkCommand {
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public:
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static SliderCallback* New() { return new SliderCallback; }
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void SetConeSource(vtkConeSource* cone) { ConeSource = cone; }
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virtual void Execute(vtkObject* caller, unsigned long, void*) {
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vtkSliderWidget* slider = static_cast<vtkSliderWidget*>(caller);
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double value = static_cast<vtkSliderRepresentation2D*>(slider->GetRepresentation())->GetValue();
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ConeSource->SetResolution(static_cast<int>(value));
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ConeSource->Modified();
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}
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private:
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vtkConeSource* ConeSource;
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};
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int main() {
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// 创建圆锥源
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auto coneSource = vtkSmartPointer<vtkConeSource>::New();
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coneSource->SetHeight(3.0);
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coneSource->SetRadius(1.0);
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coneSource->SetResolution(6); // 初始边数
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// 创建Mapper和Actor
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auto mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
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mapper->SetInputConnection(coneSource->GetOutputPort());
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auto actor = vtkSmartPointer<vtkActor>::New();
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actor->SetMapper(mapper);
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// 创建渲染器和窗口
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auto renderer = vtkSmartPointer<vtkRenderer>::New();
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auto renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
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renderWindow->AddRenderer(renderer);
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// 创建交互器
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auto interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
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interactor->SetRenderWindow(renderWindow);
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interactor->SetInteractorStyle(vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New());
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// 添加Actor到渲染器
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renderer->AddActor(actor);
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renderer->SetBackground(0.2, 0.3, 0.4);
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// 创建滑动条
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auto sliderRep = vtkSmartPointer<vtkSliderRepresentation2D>::New();
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sliderRep->SetMinimumValue(3.0); // 最小边数
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sliderRep->SetMaximumValue(50.0); // 最大边数
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sliderRep->SetValue(6.0); // 初始值
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sliderRep->SetTitleText("Resolution");
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sliderRep->GetPoint1Coordinate()->SetCoordinateSystemToNormalizedDisplay();
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sliderRep->GetPoint1Coordinate()->SetValue(0.1, 0.1);
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sliderRep->GetPoint2Coordinate()->SetCoordinateSystemToNormalizedDisplay();
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sliderRep->GetPoint2Coordinate()->SetValue(0.9, 0.1);
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auto sliderWidget = vtkSmartPointer<vtkSliderWidget>::New();
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sliderWidget->SetInteractor(interactor);
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sliderWidget->SetRepresentation(sliderRep);
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sliderWidget->SetAnimationModeToAnimate();
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// 设置滑动条回调
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auto callback = vtkSmartPointer<SliderCallback>::New();
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callback->SetConeSource(coneSource);
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sliderWidget->AddObserver(vtkCommand::InteractionEvent, callback);
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// 启动程序
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renderWindow->SetSize(800, 600);
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renderWindow->Render();
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sliderWidget->EnabledOn();
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interactor->Start();
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return 0;
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}
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@ -0,0 +1,13 @@
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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8" />
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</head>
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<body>
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<canvas id="canvas" tabindex="-1" onclick="canvas.focus()" style="position: absolute; left: 0; top: 0;"></canvas>
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<script type="text/javascript" src="Cone.js"></script>
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</body>
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</html>
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