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Merge pull request #7113 from Smilex/issue_7100

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Prevent divide by zero. Issue #7100
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reaperrr
2014-12-12 13:21:18 +01:00
parent 65fb1a2cba f62a9b4f8a
commit 94907088c8
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; return WVec.Zero;
var currentDir = FlyStep(Facing); 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 // avoid stalling the plane
return dot >= 0 ? repulsionForce : WVec.Zero; return dot >= 0 ? repulsionForce : WVec.Zero;
} }