Curtis L. Olson writes: > > This is kind of off today's topic, but I have an unrelated question. > > Working in 2d space, given 3 points, I know how to compute a circle > (center/radius) that passes through those three points. Now I need to > compute the direction of curvature of the 3 points. In other words, > moving from the 1st point through the second point to the 3rd point, is > the direction of the circle clockwise (curving right) or counter > clockwise (curving left.)
Classic problem with a classic solution :-) grep clockwise on this page http://exaflop.org/docs/cgafaq/cga6.html Norman _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
