72 lines
1.8 KiB
C++
Executable File
72 lines
1.8 KiB
C++
Executable File
#ifndef IGL_VIEWER_WITH_NANOGUI
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#include <iostream>
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int main()
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{
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std::cerr<<
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"Error: recompile with LIBIGL_VIEWER_WITH_NANOGUI defined."<<std::endl;
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return EXIT_FAILURE;
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}
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#else
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#include <igl/readOFF.h>
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#include <igl/opengl/glfw/Viewer.h>
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#include <nanogui/formhelper.h>
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#include <nanogui/screen.h>
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#include <iostream>
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#include "tutorial_shared_path.h"
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int main(int argc, char *argv[])
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{
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Eigen::MatrixXd V;
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Eigen::MatrixXi F;
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bool boolVariable = true;
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float floatVariable = 0.1f;
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enum Orientation { Up=0,Down,Left,Right } dir = Up;
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// Load a mesh in OFF format
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igl::readOFF(TUTORIAL_SHARED_PATH "/bunny.off", V, F);
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// Init the viewer
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igl::opengl::glfw::Viewer viewer;
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// Extend viewer menu
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viewer.callback_init = [&](igl::opengl::glfw::Viewer& viewer)
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{
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// Add new group
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viewer.ngui->addGroup("New Group");
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// Expose variable directly ...
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viewer.ngui->addVariable("float",floatVariable);
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// ... or using a custom callback
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viewer.ngui->addVariable<bool>("bool",[&](bool val) {
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boolVariable = val; // set
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},[&]() {
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return boolVariable; // get
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});
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// Expose an enumaration type
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viewer.ngui->addVariable<Orientation>("Direction",dir)->setItems({"Up","Down","Left","Right"});
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// Add a button
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viewer.ngui->addButton("Print Hello",[](){ std::cout << "Hello\n"; });
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// Add an additional menu window
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viewer.ngui->addWindow(Eigen::Vector2i(220,10),"New Window");
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// Expose the same variable directly ...
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viewer.ngui->addVariable("float",floatVariable);
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// Generate menu
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viewer.screen->performLayout();
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return false;
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};
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// Plot the mesh
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viewer.selected_data().set_mesh(V, F);
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viewer.launch();
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}
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#endif
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