55 lines
1.4 KiB
C++
Executable File
55 lines
1.4 KiB
C++
Executable File
#include "tutorial_shared_path.h"
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#include <igl/opengl/glfw/Viewer.h>
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#include <GLFW/glfw3.h>
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#include <string>
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#include <iostream>
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// Add custom data to a viewer mesh
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struct MeshData
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{
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Eigen::RowVector3d color;
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};
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int main(int argc, char * argv[])
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{
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igl::opengl::glfw::Viewer viewer;
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const auto names =
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{"cube.obj","sphere.obj","xcylinder.obj","ycylinder.obj","zcylinder.obj"};
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for(const auto & name : names)
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{
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viewer.load_mesh_from_file(std::string(TUTORIAL_SHARED_PATH) + "/" + name);
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viewer.data().attr<MeshData>().color = 0.5*Eigen::RowVector3d::Random().array() + 0.5;
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}
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viewer.callback_key_down =
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[&](igl::opengl::glfw::Viewer &, unsigned int key, int mod)
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{
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if(key == GLFW_KEY_BACKSPACE)
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{
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viewer.erase_mesh(viewer.selected_data_index);
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return true;
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}
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return false;
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};
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// Refresh selected mesh colors
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viewer.callback_pre_draw =
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[&](igl::opengl::glfw::Viewer &)
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{
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static int last_selected = -1;
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if (last_selected != viewer.selected_data_index)
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{
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for (auto &data : viewer.data_list)
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{
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data.set_colors(data.attr<MeshData>().color);
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}
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viewer.data_list[viewer.selected_data_index].set_colors(Eigen::RowVector3d(0.9,0.1,0.1));
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last_selected = viewer.selected_data_index;
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}
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return false;
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};
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viewer.launch();
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return EXIT_SUCCESS;
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}
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