From b350b001da65be9ceb6ccdaa8d7a876893b50d1f Mon Sep 17 00:00:00 2001
From: Fraser Graham <frasergraham@me.com>
Date: Mon, 21 Oct 2013 07:50:16 -0700
Subject: [PATCH] adding rectfrompoint

---
 vectorpoint.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vectorpoint.go b/vectorpoint.go
index 4d67bde..da29fa1 100644
--- a/vectorpoint.go
+++ b/vectorpoint.go
@@ -71,6 +71,12 @@ func PointInRect(p Point2d, r Rect2d) bool {
 	return (p.X > r.A.X) && (p.X < r.B.X) && (p.Y > r.A.Y) && (p.Y < r.B.Y)
 }
 
+func RectFromPoint(p Point2d, size float32) Rect2d {
+	return Rect2d{
+		A: Point2d{X: p.X - size, Y: p.Y - size},
+		B: Point2d{X: p.X + size, Y: p.Y + size}}
+}
+
 func RectIntersection(r Rect2d, p Point2d, v Vector2d) (bool, bool, Point2d) {
 	collision := false
 	inside := false