You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.4 KiB
54 lines
1.4 KiB
#include <igl/opengl/glfw/Viewer.h>
|
|
#include <GLFW/glfw3.h>
|
|
#include <string>
|
|
#include <iostream>
|
|
#include <map>
|
|
|
|
int main(int argc, char * argv[])
|
|
{
|
|
igl::opengl::glfw::Viewer viewer;
|
|
const auto names =
|
|
{"cube.obj","sphere.obj","xcylinder.obj","ycylinder.obj","zcylinder.obj"};
|
|
std::map<int, Eigen::RowVector3d> colors;
|
|
int last_selected = -1;
|
|
for(const auto & name : names)
|
|
{
|
|
viewer.load_mesh_from_file(std::string(TUTORIAL_SHARED_PATH) + "/" + name);
|
|
colors.emplace(viewer.data().id, 0.5*Eigen::RowVector3d::Random().array() + 0.5);
|
|
}
|
|
|
|
viewer.callback_key_down =
|
|
[&](igl::opengl::glfw::Viewer &, unsigned int key, int mod)
|
|
{
|
|
if(key == GLFW_KEY_BACKSPACE)
|
|
{
|
|
int old_id = viewer.data().id;
|
|
if (viewer.erase_mesh(viewer.selected_data_index))
|
|
{
|
|
colors.erase(old_id);
|
|
last_selected = -1;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
// Refresh selected mesh colors
|
|
viewer.callback_pre_draw =
|
|
[&](igl::opengl::glfw::Viewer &)
|
|
{
|
|
if (last_selected != viewer.selected_data_index)
|
|
{
|
|
for (auto &data : viewer.data_list)
|
|
{
|
|
data.set_colors(colors[data.id]);
|
|
}
|
|
viewer.data_list[viewer.selected_data_index].set_colors(Eigen::RowVector3d(0.9,0.1,0.1));
|
|
last_selected = viewer.selected_data_index;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
viewer.launch();
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|