fix issue #430 and make sure quiver3 works for any case

[gilbertogalvis]

Originally this issue #430 had problems with making MATLAB quiver3 work for multiple axes. That problem was easy to fix. However, testing several examples with quiver3 I realized that the barb of the arrows did not work well in 3D. The barb of the 2D arrows did, but the 3D case did not.

The structure that MATLAB returns when using quiver and quiver3 does not return the barb coordinates of the arrows, it only returns the initial and final coordinates for each arrow. Therefore, the calculation of the barb coordinates must be done manually. Doing this in the 2D case is very simple, but in the 3D case it is a very complex geometric problem. For this reason doing this update took time.

Fortunately I managed to figure out everything I needed by completely recoding the updateQuiver.m file. Now the quiver and quiver3 functions work great for all cases. Also, I took the opportunity to fix the code style.

Below I share examples

Example 1

tiledlayout(1,2)

% Left plot
ax1 = nexttile;
quiver3(ax1,X,Y,Z1,U1,V1,W1)
axis equal
title(ax1,'Left Plot')

% Right plot
ax2 = nexttile;
quiver3(ax2,X,Y,Z2,U2,V2,W2)
axis equal
title(ax2,'Right Plot')

fig2plotly(gcf);

Example 2

tiledlayout(2,2)

% Left plot
ax1 = nexttile;
quiver3(ax1,X,Y,Z1,U1,V1,W1)
axis equal
title(ax1,'Left Plot')

% Right plot
ax2 = nexttile;
quiver3(ax2,X,Y,Z2,U2,V2,W2)
axis equal
title(ax2,'Right Plot')

ax3 = nexttile;
quiver3(ax3,X,Y,Z2,U2,V2,W2)
axis equal
title(ax3,'Right Plot')

ax4 = nexttile;
quiver3(ax4,X,Y,Z1,U1,V1,W1)
axis equal
title(ax4,'Left Plot')

fig2plotly(gcf);

Example 3

tiledlayout(1,2)

% Left plot
ax1 = nexttile;
quiver3(ax1,X,Y,Z1,U1,V1,W1)
axis equal
title(ax1,'Left Plot')

% Right plot
ax2 = nexttile;
quiver(ax2,X,Y,U2,V2)
axis equal
title(ax2,'Right Plot')

quiver(X,Y,U1,V1)
axis equal
title('Left Plot')

fig2plotly(gcf);

Example 4

tiledlayout(2,2)

% Left plot
ax1 = nexttile;
quiver3(ax1,X,Y,Z1,U1,V1,W1)
axis equal
title(ax1,'Left Plot')

% Right plot
ax2 = nexttile;
quiver3(ax2,X,Y,Z2,U2,V2,W2)
axis equal
title(ax2,'Right Plot')

ax3 = nexttile;
quiver(ax3,X,Y,U2,V2)
axis equal
title(ax3,'Right Plot')

ax4 = nexttile;
quiver(ax4,X,Y,U1,V1)
axis equal
title(ax4,'Left Plot')

fig2plotly(gcf);