/*

* Visualize a single vector

*/

#include <iostream>

#include <array>

#include <stdexcept>

#include <string>

#include <memory>

import sm.vec;

import sm.quaternion;

import sm.mat;

import mplot.visual;

import mplot.colour;

import mplot.colourmap;

import mplot.textfeatures;

import mplot.vectorvisual;

int main()

{

mplot::Visual v(1024, 768, "mplot::VectorVisual");

v.lightingEffects();

v.showCoordArrows (true);

v.coordArrowsInScene (true);

sm::vec<float> offset = {1,0,0};

auto vvm = std::make_unique<mplot::VectorVisual<float, 3>>(offset);

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

vvm->thevec = {1,1,1};

vvm->fixed_colour = true;

vvm->single_colour = mplot::colour::crimson;

vvm->addLabel ("Rotn by quaternion", {-0.8, -0.5, 0}, mplot::TextFeatures(0.1f));

vvm->finalize();

auto ptr = v.addVisualModel (vvm);

vvm = std::make_unique<mplot::VectorVisual<float, 3>>(-offset);

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

vvm->thevec = {1,1,1};

vvm->fixed_colour = true;

vvm->single_colour = mplot::colour::royalblue;

vvm->addLabel ("Rotn by 4x4 mat", {-0.8, -0.5, 0}, mplot::TextFeatures(0.1f));

vvm->finalize();

auto ptr2 = v.addVisualModel (vvm);

float angle_per_frame = 0.05f;

sm::vec<float> axis = {0,1,0.4};

// quaternion way

// Also demo quaternion rotation.

// Set up a rotation about the z axis

sm::quaternion<float> qr (axis, angle_per_frame);

sm::mat<float, 4, 4> tf;

tf.rotate (axis, angle_per_frame);

while (!v.readyToFinish()) {

v.render();

v.wait (0.01);

ptr->thevec = (qr * ptr->thevec);

ptr2->thevec = (tf * ptr2->thevec).less_one_dim();

ptr->reinit();

ptr2->reinit();

}

return 0;

}