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Prevent divide by zero

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This commit is contained in:
Ian T. Jacobsen
2014-12-10 17:14:41 +00:00
parent fb6b9b8be5
commit 38556c7014
1 changed files with 4 additions and 1 deletions
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5
OpenRA.Mods.RA/Traits/Air/Plane.cs
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@@ -63,8 +63,11 @@ namespace OpenRA.Mods.RA.Traits
return WVec.Zero;
var currentDir = FlyStep(Facing);
var length = (currentDir.HorizontalLength * repulsionForce.HorizontalLength);
if (length == 0)
return WVec.Zero;
var dot = WVec.Dot(currentDir, repulsionForce) / (currentDir.HorizontalLength * repulsionForce.HorizontalLength);
var dot = WVec.Dot(currentDir, repulsionForce) / length;
// avoid stalling the plane
return dot >= 0 ? repulsionForce : WVec.Zero;
}