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49 lines
1.4 KiB
49 lines
1.4 KiB
#include <igl/readOFF.h>
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#include <igl/opengl/glfw/Viewer.h>
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#include <iostream>
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Eigen::MatrixXd V1,V2;
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Eigen::MatrixXi F1,F2;
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// This function is called every time a keyboard button is pressed
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bool key_down(igl::opengl::glfw::Viewer& viewer, unsigned char key, int modifier)
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{
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std::cout<<"Key: "<<key<<" "<<(unsigned int)key<<std::endl;
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if (key == '1')
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{
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// Clear should be called before drawing the mesh
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viewer.data().clear();
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// Draw_mesh creates or updates the vertices and faces of the displayed mesh.
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// If a mesh is already displayed, draw_mesh returns an error if the given V and
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// F have size different than the current ones
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viewer.data().set_mesh(V1, F1);
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viewer.core().align_camera_center(V1,F1);
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}
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else if (key == '2')
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{
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viewer.data().clear();
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viewer.data().set_mesh(V2, F2);
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viewer.core().align_camera_center(V2,F2);
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}
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return false;
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}
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int main(int argc, char *argv[])
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{
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// Load two meshes
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igl::readOFF(TUTORIAL_SHARED_PATH "/bumpy.off", V1, F1);
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igl::readOFF(TUTORIAL_SHARED_PATH "/fertility.off", V2, F2);
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std::cout<<R"(
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1 Switch to bump mesh
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2 Switch to fertility mesh
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)";
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igl::opengl::glfw::Viewer viewer;
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// Register a keyboard callback that allows to switch between
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// the two loaded meshes
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viewer.callback_key_down = &key_down;
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viewer.data().set_mesh(V1, F1);
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viewer.launch();
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}
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