Function TestMatrixScaleComponent

math_test.go:1174–1224

(t *testing.T)

}

func TestMatrixScaleComponent(t *testing.T) {
	data := []struct {
		matrix               []float32
		expectedX, expectedY float32
	}{
		{
			matrix: []float32{
				0, 0, 0,
				0, 0, 0,
				0, 0, 0,
			},
			expectedX: 0,
			expectedY: 0,
		},
		{
			matrix: []float32{
				1, 2, 3,
				3, 1, 2,
				2, 3, 1,
			},
			expectedX: 1,
			expectedY: 1,
		},
		{
			matrix: []float32{
				5, 2, 3,
				6, -4, 3,
				1, 4, 2,
			},
			expectedX: 5,
			expectedY: -4,
		},
		{
			matrix: []float32{
				-5, 2, 3,
				6, -4, 3,
				1, 4, 2,
			},
			expectedX: -5,
			expectedY: -4,
		},
	}
	for _, d := range data {
		mat1 := IdentityMatrix()
		mat1.Set(d.matrix)
		if resX, resY := mat1.ScaleComponent(); !FloatEqual(resX, d.expectedX) || !FloatEqual(resY, d.expectedY) {
			t.Errorf("Scale Component did not match expected!\n ResX: %v\n expectedX: %v\n ResY: %v\n expectedY: %v\n", resX, d.expectedX, resY, d.expectedY)
			return
		}
	}
}

func TestMatrixTranslationComponent(t *testing.T) {
	data := []struct {