// Visualize a graph. Minimal example showing how a default graph appears

#include <memory>

import mplot.visual;

import mplot.graphvisual; // exports sm.vvec and sm.vec

int main()

{

// Set up a mplot::Visual 'scene environment'.

mplot::Visual v(1024, 768, "Made with mplot::GraphVisual");

// Create a GraphVisual object (obtaining a unique_ptr to the object) with a spatial offset within the scene of 0,0,0

auto gv = std::make_unique<mplot::GraphVisual<double>> (sm::vec<float>({0,0,0}));

// This mandatory line of boilerplate code sets the parent pointer in GraphVisual and binds some functions

gv->set_parent (v.get_id());

// Data for the x axis. A vvec is like std::vector, but with built-in maths methods

sm::vvec<double> x;

// This works like numpy's linspace() (the 3 args are "start", "end" and "num"):

x.linspace (-0.5, 0.8, 14);

// Set a graph up of y = x^3

gv->setdata (x, x.pow(3));

// finalize() makes the GraphVisual compute the vertices of the OpenGL model

gv->finalize();

// Add the GraphVisual OpenGL model to the Visual scene, transferring ownership of the unique_ptr

v.addVisualModel (gv);

// Render the scene on the screen until user quits with 'Ctrl-q'

v.keepOpen();

// Because v owns the unique_ptr to the GraphVisual, its memory will be deallocated when v goes out of scope.

return 0;

}