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Add divide by zero check'

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This commit is contained in:
Josh Callebaut 2016-08-04 10:20:50 -07:00
parent 796c35f66d
commit 41cf864dc7
1 changed files with 4 additions and 1 deletions
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5
app/views/play/CampaignView.coffee
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@ -365,7 +365,10 @@ module.exports = class CampaignView extends RootView
return experienceScore
createLine: (o1, o2) ->
ratio = parseFloat($(".map").css("width")) / parseFloat($(".map").css("height"))
mapHeight = parseFloat($(".map").css("height"))
mapWidth = parseFloat($(".map").css("width"))
return unless mapHeight > 0
ratio = mapWidth / mapHeight
p1 = x: o1.x, y: o1.y / ratio - 0.5
p2 = x: o2.x, y: o2.y / ratio
length = Math.sqrt((p1.x - p2.x) * (p1.x - p2.x) + (p1.y - p2.y) * (p1.y - p2.y))