From d4530ca9feb371bdfc7f5b0fb34c0747732f3bed Mon Sep 17 00:00:00 2001
From: Ben Cragg <bcvery1@gmail.com>
Date: Thu, 14 Feb 2019 14:18:14 +0000
Subject: [PATCH] More intersection tests
---
geometry_test.go | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/geometry_test.go b/geometry_test.go
index 914c944..2a4a660 100644
--- a/geometry_test.go
+++ b/geometry_test.go
@@ -544,11 +544,41 @@ func TestRect_IntersectCircle(t *testing.T) {
want: pixel.V(0, -1),
},
{
- name: "Rect.IntersectCircle(): edge is tangent",
+ name: "Rect.IntersectCircle(): edge is tangent of left side",
fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
args: args{c: pixel.C(pixel.V(-1, 5), 1)},
want: pixel.ZV,
},
+ {
+ name: "Rect.IntersectCircle(): edge is tangent of top side",
+ fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
+ args: args{c: pixel.C(pixel.V(5, -1), 1)},
+ want: pixel.ZV,
+ },
+ {
+ name: "Rect.IntersectCircle(): circle above rectangle",
+ fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
+ args: args{c: pixel.C(pixel.V(5, 12), 1)},
+ want: pixel.ZV,
+ },
+ {
+ name: "Rect.IntersectCircle(): circle below rectangle",
+ fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
+ args: args{c: pixel.C(pixel.V(5, -2), 1)},
+ want: pixel.ZV,
+ },
+ {
+ name: "Rect.IntersectCircle(): circle left of rectangle",
+ fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
+ args: args{c: pixel.C(pixel.V(-1, 5), 1)},
+ want: pixel.ZV,
+ },
+ {
+ name: "Rect.IntersectCircle(): circle right of rectangle",
+ fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)},
+ args: args{c: pixel.C(pixel.V(11, 5), 1)},
+ want: pixel.ZV,
+ },
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
--
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