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fix Rect.Intersect

This commit is contained in:
faiface 2017-07-05 19:51:54 +02:00
parent da52aa25ec
commit e64d97efb1
1 changed files with 2 additions and 2 deletions
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4
geometry.go
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@ -272,10 +272,10 @@ func (r Rect) Union(s Rect) Rect {
// If r and s don't overlap, this function returns R(0, 0, 0, 0). // If r and s don't overlap, this function returns R(0, 0, 0, 0).
func (r Rect) Intersect(s Rect) Rect { func (r Rect) Intersect(s Rect) Rect {
t := R( t := R(
math.Min(r.Max.X, s.Max.X),
math.Min(r.Max.Y, s.Max.Y),
math.Max(r.Min.X, s.Min.X), math.Max(r.Min.X, s.Min.X),
math.Max(r.Min.Y, s.Min.Y), math.Max(r.Min.Y, s.Min.Y),
math.Min(r.Max.X, s.Max.X),
math.Min(r.Max.Y, s.Max.Y),
) )
if t.Min.X >= t.Max.X || t.Min.Y >= t.Max.Y { if t.Min.X >= t.Max.X || t.Min.Y >= t.Max.Y {
return Rect{} return Rect{}