mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
// Copyright 2014 Hajime Hoshi
|
|
//
|
|
// 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 ebiten_test
|
|
|
|
import (
|
|
. "."
|
|
"testing"
|
|
)
|
|
|
|
func TestGeometryIdentity(t *testing.T) {
|
|
m := GeometryMatrixI()
|
|
got := m.IsIdentity()
|
|
want := true
|
|
if want != got {
|
|
t.Errorf("matrix.IsIdentity() = %t, want %t", got, want)
|
|
}
|
|
}
|
|
|
|
func TestGeometryConcat(t *testing.T) {
|
|
matrix1 := ScaleGeometry(2, 2)
|
|
matrix2 := TranslateGeometry(1, 1)
|
|
|
|
matrix3 := matrix1
|
|
matrix3.Concat(matrix2)
|
|
expected := [][]float64{
|
|
{2, 0, 1},
|
|
{0, 2, 1},
|
|
}
|
|
for i := 0; i < 2; i++ {
|
|
for j := 0; j < 3; j++ {
|
|
got := matrix3.Element(i, j)
|
|
want := expected[i][j]
|
|
if want != got {
|
|
t.Errorf("matrix3.Element(%d, %d) = %f,"+
|
|
" want %f",
|
|
i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
matrix4 := matrix2
|
|
matrix4.Concat(matrix1)
|
|
expected = [][]float64{
|
|
{2, 0, 2},
|
|
{0, 2, 2},
|
|
}
|
|
for i := 0; i < 2; i++ {
|
|
for j := 0; j < 3; j++ {
|
|
got := matrix4.Element(i, j)
|
|
want := expected[i][j]
|
|
if want != got {
|
|
t.Errorf("matrix4.Element(%d, %d) = %f, want %f",
|
|
i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|