File size: 1,434 Bytes
5b89cb9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #include <igl/readOFF.h>
#include <igl/opengl/glfw/Viewer.h>
#include <iostream>
Eigen::MatrixXd V1,V2;
Eigen::MatrixXi F1,F2;
// This function is called every time a keyboard button is pressed
bool key_down(igl::opengl::glfw::Viewer& viewer, unsigned char key, int modifier)
{
std::cout<<"Key: "<<key<<" "<<(unsigned int)key<<std::endl;
if (key == '1')
{
// Clear should be called before drawing the mesh
viewer.data().clear();
// Draw_mesh creates or updates the vertices and faces of the displayed mesh.
// If a mesh is already displayed, draw_mesh returns an error if the given V and
// F have size different than the current ones
viewer.data().set_mesh(V1, F1);
viewer.core().align_camera_center(V1,F1);
}
else if (key == '2')
{
viewer.data().clear();
viewer.data().set_mesh(V2, F2);
viewer.core().align_camera_center(V2,F2);
}
return false;
}
int main(int argc, char *argv[])
{
// Load two meshes
igl::readOFF(TUTORIAL_SHARED_PATH "/bumpy.off", V1, F1);
igl::readOFF(TUTORIAL_SHARED_PATH "/fertility.off", V2, F2);
std::cout<<R"(
1 Switch to bump mesh
2 Switch to fertility mesh
)";
igl::opengl::glfw::Viewer viewer;
// Register a keyboard callback that allows to switch between
// the two loaded meshes
viewer.callback_key_down = &key_down;
viewer.data().set_mesh(V1, F1);
viewer.launch();
}
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