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Creates a picking ray for a camera. Commonly used for mouse interaction in 2D and 3D games.The camera is assumed to have a projection and view matrix, which can be combined and inverted to form invProjView.
Test whether a point is inside a triangle, using barycentric coordinates and this algorithm from BlackPawn. Returns true if the point [x, y] is inside the triangle [ [x1,y1], [x2,y2], [x3,y3] ], false otherwise.
Node module that is bridged with the Java Hapi HL7 library. There are no production ready Node HL7 libraries out there at this time. I figured instead of writing one or improving on one by hand, why not just have Java Hapi do all of the hard work? Hapi is the gold-standard implementation of HL7 parsing, so there's no need to reinvent the wheel. Please note that there is a tad more overhead with this approach, but it's not too bad :).