looks considerably wrong.
project all 4 points and thats it.
-> Entity X, Y, Z as well as the cases for X + dist, Y + dist, Z+ dist
and take those 4 2D coords to draw the lines / arrows.
project all 4 points and thats it.
-> Entity X, Y, Z as well as the cases for X + dist, Y + dist, Z+ dist
and take those 4 2D coords to draw the lines / arrows.