Placing holograms

Our next job is to place the hologram, the bin, onto a plane. But where? Before proposing a solution, let's first understand a little more of what we have available.

We currently have a set of planes that have satisfied our criteria. If you inspect a plane, you will notice that each plane faces away from the center; for example, the floor's forward direction points downwards. The following figure shows a ray cast at the center of each plane in the -transform.forward direction:

For our purposes, we want our hologram to be placed on top, which in this case, is the -transform.forward side of the plane, illustrated in the preceding ...

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