ebiten/vector/path_test.go

89 lines
2.0 KiB
Go

// Copyright 2024 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vector_test
import (
"testing"
"github.com/hajimehoshi/ebiten/v2/vector"
)
func TestIsPointCloseToSegment(t *testing.T) {
testCases := []struct {
p vector.Point
p0 vector.Point
p1 vector.Point
allow float32
want bool
}{
{
p: vector.Point{0.5, 0.5},
p0: vector.Point{0, 0},
p1: vector.Point{1, 0},
allow: 1,
want: true,
},
{
p: vector.Point{0.5, 1.5},
p0: vector.Point{0, 0},
p1: vector.Point{1, 0},
allow: 1,
want: false,
},
{
p: vector.Point{0.5, 0.5},
p0: vector.Point{0, 0},
p1: vector.Point{1, 1},
allow: 0,
want: true,
},
{
p: vector.Point{0, 1},
p0: vector.Point{0, 0},
p1: vector.Point{1, 1},
allow: 0.7,
want: false,
},
{
p: vector.Point{0, 1},
p0: vector.Point{0, 0},
p1: vector.Point{1, 1},
allow: 0.8,
want: true,
},
{
// p0 and p1 are the same.
p: vector.Point{0, 1},
p0: vector.Point{0.5, 0.5},
p1: vector.Point{0.5, 0.5},
allow: 0.7,
want: false,
},
{
// p0 and p1 are the same.
p: vector.Point{0, 1},
p0: vector.Point{0.5, 0.5},
p1: vector.Point{0.5, 0.5},
allow: 0.8,
want: true,
},
}
for _, tc := range testCases {
if got := vector.IsPointCloseToSegment(tc.p, tc.p0, tc.p1, tc.allow); got != tc.want {
t.Errorf("got: %v, want: %v", got, tc.want)
}
}
}