Graphics Reference
In-Depth Information
we can perform this projection for a single vector. The result is the position of this
vector in two dimensions based on the used camera.
See also
• In this recipe, we converted world coordinates to screen coordinates. This is
actually rather easy, as we've got all the information (in three dimensions)
to correctly determine the coordinates (in two dimensions). In the
Selecting
an object in the scene
recipe, we convert a screen coordinate to a world co-
ordinate, which is harder to do, as we don't have any depth information we
can use.
