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AStar: Clarify the "todo" error

install-platforms
Mark 2017-11-02 17:36:31 +01:00
parent aaed0b4d54
commit 26e72eb489
1 changed files with 2 additions and 2 deletions
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4
planet/System.ocg/AStar.c
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@ -13,14 +13,14 @@ static const AStar = new Global
// Distance heuristic for selecting nodes. A good heuristic will speed up
// A*, a bad heuristic can lead to non-optimal paths.
distance = func(node, goal) { FatalError("todo"); },
distance = func(node, goal) { FatalError("This function needs to be implemented by an actual algorithm. The generic function does not exist and throws this error on purpose."); },
// Cost between two neighboring nodes. You'll need a different
// implementation if your goal isn't a regular node.
cost = func() { return this->distance(...); },
// Returns an array of neighboring nodes.
successors = func(a) { FatalError("todo"); },
successors = func(a) { FatalError("This function needs to be implemented by an actual algorithm. The generic function does not exist and throws this error on purpose."); },
// Equality function for nodes. DeepEqual works well for for objects as
// well as state proplists, but you may be able to supply a more efficient