add methods for getting coordinates of component center, corners etc.

[Acce0ss]

I think being able to place components relative to other components coordinates would be simplified greatly by this and the amount of literal double/int values in the design would decrease significantly.

Making something like

Component cube = Cube::create(5.0, 5.0, 5.0);

CompositeComponent cubes = Union::create();
cubes << cube;
for(int i = 0; i < cube.corners.size(); i++)
{
cubes << Cube::create(2.0, 2.0, 2.0).translate( cube.corners.at(i) );
}

another example would be placing a component on the surface of a sphere by giving coordinates in spherical system with origin attached to the center of the sphere.

The schemes illustrated by the examples are of course something I came up with very quickly, and we could think of some more clever solution for placing components relative to each other in a way that the computer would calculate the coordinates for us based on the already placed components.