From d5458f874d307b8f82bcff5073355bd4efd96795 Mon Sep 17 00:00:00 2001 From: 12private12 <120792mon@gmail.com> Date: Tue, 12 Aug 2025 23:17:54 +0800 Subject: [PATCH] Delete rectangle_test.go --- rectangle_test.go | 384 ---------------------------------------------- 1 file changed, 384 deletions(-) delete mode 100644 rectangle_test.go diff --git a/rectangle_test.go b/rectangle_test.go deleted file mode 100644 index e87ef67..0000000 --- a/rectangle_test.go +++ /dev/null @@ -1,384 +0,0 @@ -package pixel_test - -import ( - "fmt" - "reflect" - "testing" - - "github.com/faiface/pixel" -) - -func TestRect_Resize(t *testing.T) { - type rectTestTransform struct { - name string - f func(pixel.Rect) pixel.Rect - } - - // rectangles - squareAroundOrigin := pixel.R(-10, -10, 10, 10) - squareAround2020 := pixel.R(10, 10, 30, 30) - rectangleAroundOrigin := pixel.R(-20, -10, 20, 10) - rectangleAround2020 := pixel.R(0, 10, 40, 30) - - // resize transformations - resizeByHalfAroundCenter := rectTestTransform{"by half around center", func(rect pixel.Rect) pixel.Rect { - return rect.Resized(rect.Center(), rect.Size().Scaled(0.5)) - }} - resizeByHalfAroundMin := rectTestTransform{"by half around Min", func(rect pixel.Rect) pixel.Rect { - return rect.Resized(rect.Min, rect.Size().Scaled(0.5)) - }} - resizeByHalfAroundMax := rectTestTransform{"by half around Max", func(rect pixel.Rect) pixel.Rect { - return rect.Resized(rect.Max, rect.Size().Scaled(0.5)) - }} - resizeByHalfAroundMiddleOfLeftSide := rectTestTransform{"by half around middle of left side", func(rect pixel.Rect) pixel.Rect { - return rect.Resized(pixel.V(rect.Min.X, rect.Center().Y), rect.Size().Scaled(0.5)) - }} - resizeByHalfAroundOrigin := rectTestTransform{"by half around the origin", func(rect pixel.Rect) pixel.Rect { - return rect.Resized(pixel.ZV, rect.Size().Scaled(0.5)) - }} - - testCases := []struct { - input pixel.Rect - transform rectTestTransform - answer pixel.Rect - }{ - {squareAroundOrigin, resizeByHalfAroundCenter, pixel.R(-5, -5, 5, 5)}, - {squareAround2020, resizeByHalfAroundCenter, pixel.R(15, 15, 25, 25)}, - {rectangleAroundOrigin, resizeByHalfAroundCenter, pixel.R(-10, -5, 10, 5)}, - {rectangleAround2020, resizeByHalfAroundCenter, pixel.R(10, 15, 30, 25)}, - - {squareAroundOrigin, resizeByHalfAroundMin, pixel.R(-10, -10, 0, 0)}, - {squareAround2020, resizeByHalfAroundMin, pixel.R(10, 10, 20, 20)}, - {rectangleAroundOrigin, resizeByHalfAroundMin, pixel.R(-20, -10, 0, 0)}, - {rectangleAround2020, resizeByHalfAroundMin, pixel.R(0, 10, 20, 20)}, - - {squareAroundOrigin, resizeByHalfAroundMax, pixel.R(0, 0, 10, 10)}, - {squareAround2020, resizeByHalfAroundMax, pixel.R(20, 20, 30, 30)}, - {rectangleAroundOrigin, resizeByHalfAroundMax, pixel.R(0, 0, 20, 10)}, - {rectangleAround2020, resizeByHalfAroundMax, pixel.R(20, 20, 40, 30)}, - - {squareAroundOrigin, resizeByHalfAroundMiddleOfLeftSide, pixel.R(-10, -5, 0, 5)}, - {squareAround2020, resizeByHalfAroundMiddleOfLeftSide, pixel.R(10, 15, 20, 25)}, - {rectangleAroundOrigin, resizeByHalfAroundMiddleOfLeftSide, pixel.R(-20, -5, 0, 5)}, - {rectangleAround2020, resizeByHalfAroundMiddleOfLeftSide, pixel.R(0, 15, 20, 25)}, - - {squareAroundOrigin, resizeByHalfAroundOrigin, pixel.R(-5, -5, 5, 5)}, - {squareAround2020, resizeByHalfAroundOrigin, pixel.R(5, 5, 15, 15)}, - {rectangleAroundOrigin, resizeByHalfAroundOrigin, pixel.R(-10, -5, 10, 5)}, - {rectangleAround2020, resizeByHalfAroundOrigin, pixel.R(0, 5, 20, 15)}, - } - - for _, testCase := range testCases { - t.Run(fmt.Sprintf("Resize %v %s", testCase.input, testCase.transform.name), func(t *testing.T) { - testResult := testCase.transform.f(testCase.input) - if testResult != testCase.answer { - t.Errorf("Got: %v, wanted: %v\n", testResult, testCase.answer) - } - }) - } -} - -func TestRect_Edges(t *testing.T) { - type fields struct { - Min pixel.Vec - Max pixel.Vec - } - tests := []struct { - name string - fields fields - want [4]pixel.Line - }{ - { - name: "Get edges", - fields: fields{Min: pixel.V(0, 0), Max: pixel.V(10, 10)}, - want: [4]pixel.Line{ - pixel.L(pixel.V(0, 0), pixel.V(0, 10)), - pixel.L(pixel.V(0, 10), pixel.V(10, 10)), - pixel.L(pixel.V(10, 10), pixel.V(10, 0)), - pixel.L(pixel.V(10, 0), pixel.V(0, 0)), - }, - }, - } - for _, tt := range tests { - t.Run(tt.name, func(t *testing.T) { - r := pixel.Rect{ - Min: tt.fields.Min, - Max: tt.fields.Max, - } - if got := r.Edges(); !reflect.DeepEqual(got, tt.want) { - t.Errorf("Rect.Edges() = %v, want %v", got, tt.want) - } - }) - } -} - -func TestRect_Vertices(t *testing.T) { - type fields struct { - Min pixel.Vec - Max pixel.Vec - } - tests := []struct { - name string - fields fields - want [4]pixel.Vec - }{ - { - name: "Get corners", - fields: fields{Min: pixel.V(0, 0), Max: pixel.V(10, 10)}, - want: [4]pixel.Vec{ - pixel.V(0, 0), - pixel.V(0, 10), - pixel.V(10, 10), - pixel.V(10, 0), - }, - }, - } - for _, tt := range tests { - t.Run(tt.name, func(t *testing.T) { - r := pixel.Rect{ - Min: tt.fields.Min, - Max: tt.fields.Max, - } - if got := r.Vertices(); !reflect.DeepEqual(got, tt.want) { - t.Errorf("Rect.Vertices() = %v, want %v", got, tt.want) - } - }) - } -} - -func TestRect_IntersectCircle(t *testing.T) { - type fields struct { - Min pixel.Vec - Max pixel.Vec - } - type args struct { - c pixel.Circle - } - tests := []struct { - name string - fields fields - args args - want pixel.Vec - }{ - { - name: "Rect.IntersectCircle(): no overlap", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(50, 50), 1)}, - want: pixel.ZV, - }, - { - name: "Rect.IntersectCircle(): circle contains rect", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(5, 5), 10)}, - want: pixel.V(-15, 0), - }, - { - name: "Rect.IntersectCircle(): rect contains circle", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(5, 5), 1)}, - want: pixel.V(-6, 0), - }, - { - name: "Rect.IntersectCircle(): circle overlaps bottom-left corner", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(-0.5, -0.5), 1)}, - want: pixel.V(-0.2, -0.2), - }, - { - name: "Rect.IntersectCircle(): circle overlaps top-left corner", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(-0.5, 10.5), 1)}, - want: pixel.V(-0.2, 0.2), - }, - { - name: "Rect.IntersectCircle(): circle overlaps bottom-right corner", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(10.5, -0.5), 1)}, - want: pixel.V(0.2, -0.2), - }, - { - name: "Rect.IntersectCircle(): circle overlaps top-right corner", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(10.5, 10.5), 1)}, - want: pixel.V(0.2, 0.2), - }, - { - name: "Rect.IntersectCircle(): circle overlaps two corners", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(0, 5), 6)}, - want: pixel.V(6, 0), - }, - { - name: "Rect.IntersectCircle(): circle overlaps left edge", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(0, 5), 1)}, - want: pixel.V(1, 0), - }, - { - name: "Rect.IntersectCircle(): circle overlaps bottom edge", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(5, 0), 1)}, - want: pixel.V(0, 1), - }, - { - name: "Rect.IntersectCircle(): circle overlaps right edge", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(10, 5), 1)}, - want: pixel.V(-1, 0), - }, - { - name: "Rect.IntersectCircle(): circle overlaps top edge", - fields: fields{Min: pixel.ZV, Max: pixel.V(10, 10)}, - args: args{c: pixel.C(pixel.V(5, 10), 1)}, - want: pixel.V(0, -1), - }, - { - 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) { - r := pixel.Rect{ - Min: tt.fields.Min, - Max: tt.fields.Max, - } - got := r.IntersectCircle(tt.args.c) - if !closeEnough(got.X, tt.want.X, 2) || !closeEnough(got.Y, tt.want.Y, 2) { - t.Errorf("Rect.IntersectCircle() = %v, want %v", got, tt.want) - } - }) - } -} - -func TestRect_IntersectionPoints(t *testing.T) { - type fields struct { - Min pixel.Vec - Max pixel.Vec - } - type args struct { - l pixel.Line - } - tests := []struct { - name string - fields fields - args args - want []pixel.Vec - }{ - { - name: "No intersection points", - fields: fields{Min: pixel.V(1, 1), Max: pixel.V(5, 5)}, - args: args{l: pixel.L(pixel.V(-5, 0), pixel.V(-2, 2))}, - want: []pixel.Vec{}, - }, - { - name: "One intersection point", - fields: fields{Min: pixel.V(1, 1), Max: pixel.V(5, 5)}, - args: args{l: pixel.L(pixel.V(2, 0), pixel.V(2, 3))}, - want: []pixel.Vec{pixel.V(2, 1)}, - }, - { - name: "Two intersection points", - fields: fields{Min: pixel.V(1, 1), Max: pixel.V(5, 5)}, - args: args{l: pixel.L(pixel.V(0, 2), pixel.V(6, 2))}, - want: []pixel.Vec{pixel.V(1, 2), pixel.V(5, 2)}, - }, - } - for _, tt := range tests { - t.Run(tt.name, func(t *testing.T) { - r := pixel.Rect{ - Min: tt.fields.Min, - Max: tt.fields.Max, - } - if got := r.IntersectionPoints(tt.args.l); !reflect.DeepEqual(got, tt.want) { - t.Errorf("Rect.IntersectPoints() = %v, want %v", got, tt.want) - } - }) - } -} - -var rectIntTests = []struct { - name string - r1, r2 pixel.Rect - want pixel.Rect - intersect bool -}{ - { - name: "Nothing touching", - r1: pixel.R(0, 0, 10, 10), - r2: pixel.R(21, 21, 40, 40), - want: pixel.ZR, - }, - { - name: "Edge touching", - r1: pixel.R(0, 0, 10, 10), - r2: pixel.R(10, 10, 20, 20), - want: pixel.ZR, - }, - { - name: "Bit of overlap", - r1: pixel.R(0, 0, 10, 10), - r2: pixel.R(0, 9, 20, 20), - want: pixel.R(0, 9, 10, 10), - intersect: true, - }, - { - name: "Fully overlapped", - r1: pixel.R(0, 0, 10, 10), - r2: pixel.R(0, 0, 10, 10), - want: pixel.R(0, 0, 10, 10), - intersect: true, - }, -} - -func TestRect_Intersect(t *testing.T) { - for _, tt := range rectIntTests { - t.Run(tt.name, func(t *testing.T) { - if got := tt.r1.Intersect(tt.r2); !reflect.DeepEqual(got, tt.want) { - t.Errorf("Rect.Intersect() = %v, want %v", got, tt.want) - } - }) - } -} - -func TestRect_Intersects(t *testing.T) { - for _, tt := range rectIntTests { - t.Run(tt.name, func(t *testing.T) { - if got := tt.r1.Intersects(tt.r2); got != tt.intersect { - t.Errorf("Rect.Intersects() = %v, want %v", got, tt.want) - } - }) - } -}