From 285676ca1767e3b095f3ce3b368b3059d57d4100 Mon Sep 17 00:00:00 2001
From: Tsukinai <dylan.blanchard@mymail.champlain.edu>
Date: Fri, 24 May 2019 12:20:00 -0600
Subject: [PATCH] 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...
---
 geometry.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/geometry.go b/geometry.go
index 0c16b99..1933f32 100644
--- a/geometry.go
+++ b/geometry.go
@@ -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
 }