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authorDimitri Sokolyuk <demon@dim13.org>2015-05-06 21:27:53 +0200
committerDimitri Sokolyuk <demon@dim13.org>2015-05-06 21:27:53 +0200
commit6ae905292363c07cb227f8445c8af32adab55cd0 (patch)
tree9cdcd6a9cccce8d0b6e330584eeaa559399deca9 /cutter.go
parentb028c5749cf400417109539faac07f8ad9236f3d (diff)
Fix correction
Diffstat (limited to 'cutter.go')
-rw-r--r--cutter.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/cutter.go b/cutter.go
index 8d66ada..cc65cd0 100644
--- a/cutter.go
+++ b/cutter.go
@@ -14,6 +14,10 @@ func (p Point) Add(u Point) Point {
return Point{p.X + u.X, p.Y + u.Y}
}
+func (p Point) Sub(u Point) Point {
+ return Point{p.X - u.X, p.Y - u.Y}
+}
+
func (p Point) AddX(u float64) Point {
return Point{p.X + u, p.Y}
}