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gofmt and fixed docs 

Fixed doc refrince to R(0,0,0,0) in Rect.Intersect() to be a ZR and for it to return a ZR.

Also ran gofmt...
This commit is contained in:
Tsukinai 2019-05-24 12:20:00 -06:00
parent b18647916f
commit 285676ca17
1 changed files with 3 additions and 3 deletions
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6
geometry.go
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@ -480,7 +480,7 @@ type Rect struct {
}
// ZR is a zero rectangle.
var ZR = Rect{Min:ZV, Max:ZV}
var ZR = Rect{Min: ZV, Max: ZV}
// R returns a new Rect with given the Min and Max coordinates.
//
@ -608,7 +608,7 @@ func (r Rect) Union(s Rect) Rect {
// Intersect returns the maximal Rect which is covered by both r and s. Rects r and s must be normalized.
//
// 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 a ZR.
func (r Rect) Intersect(s Rect) Rect {
t := R(
math.Max(r.Min.X, s.Min.X),
@ -617,7 +617,7 @@ func (r Rect) Intersect(s Rect) Rect {
math.Min(r.Max.Y, s.Max.Y),
)
if t.Min.X >= t.Max.X || t.Min.Y >= t.Max.Y {
return Rect{}
return ZR
}
return t
}