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added perspectivizion for arrows (issue #46)

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This commit is contained in:
Mikhail Koltsov 2014-03-18 00:40:37 +04:00
parent a28eedc229
commit 97f9e548e2
1 changed files with 6 additions and 0 deletions
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6
app/lib/surface/CocoSprite.coffee
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@ -250,6 +250,12 @@ module.exports = CocoSprite = class CocoSprite extends CocoClass
return
scaleX = if @getActionProp 'flipX' then -1 else 1
scaleY = if @getActionProp 'flipY' then -1 else 1
if @thangType.get('name') is 'Arrow'
# scale the arrow so it appears longer when flying parallel to horizon
angle = @getRotation()
angle = -angle if angle < 0
angle = 180 - angle if angle > 90
scaleX = 0.5 + 0.5 * (90 - angle) / 90
scaleFactorX = @thang.scaleFactorX ? @scaleFactor
scaleFactorY = @thang.scaleFactorY ? @scaleFactor
@imageObject.scaleX = @originalScaleX * scaleX * scaleFactorX