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{{TutorialsBox|contents=[[Detecting units in line]]}} ...line. It is used for FPS, to determine whether a fired bullet has hit any units. The algorith is '''HORRIBLY INEFFICIENT''' and should '''NEVER BE USED'''

...issue in FPS maps: detecting the first unit in a line (usually in line of a shot). ...vector B. We use a vector of length 1 for B, so it becomes a very simple ''A*B'' formula.

If you need a specific [[:Category:Tutorials|tutorial]] or [[:Category:Reference|referenc *[[Creating a Jump Ability]]