(Flash) Orthogonal lines - Math and (Quasi) physics in AS3

By kynd-info on February 3, 2009 9:05 PM | No Comments | No TrackBacks

Try dragging the points A and B. The line perpendicularly intersects(CD) is depicted using normal vector of AB

The normal vector in 2d is obtained by exchanging x and y-components and multiplying -1 to the y-component.