public void ConstructorValuesAreAccessibleByIndexer()
{
Matrix3x1 matrix3x1;
matrix3x1 = new Matrix3x1();
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
Assert.AreEqual(0, matrix3x1[x, y], Epsilon);
}
}
double value = 33.33;
matrix3x1 = new Matrix3x1(value);
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
Assert.AreEqual(value, matrix3x1[x, y], Epsilon);
}
}
GenerateFilledMatrixWithValues(out matrix3x1);
for (int y = 0; y < matrix3x1.Rows; y++)
{
for (int x = 0; x < matrix3x1.Columns; x++)
{
Assert.AreEqual(y * matrix3x1.Columns + x, matrix3x1[x, y], Epsilon);
}
}
}
public void RowAccessorAreCorrect()
{
GenerateFilledMatrixWithValues(out Matrix3x4 value);
Matrix3x1 row1 = value.Row1;
for (int x = 0; x < value.Columns; x++)
{
Assert.Equal(value[x, 0], row1[x, 0]);
}
Matrix3x1 row2 = value.Row2;
for (int x = 0; x < value.Columns; x++)
{
Assert.Equal(value[x, 1], row2[x, 0]);
}
Matrix3x1 row3 = value.Row3;
for (int x = 0; x < value.Columns; x++)
{
Assert.Equal(value[x, 2], row3[x, 0]);
}
}
public void EqualityOperatorWorksCorrectly()
{
Matrix3x1 value1 = new Matrix3x1(100);
Matrix3x1 value2 = new Matrix3x1(50) * 2;
Assert.Equal(value1, value2);
Assert.True(value1 == value2, "Equality operator failed.");
}
public void ConstantValuesAreCorrect()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
Assert.AreEqual(3, matrix3x1.Columns);
Assert.AreEqual(1, matrix3x1.Rows);
Assert.AreEqual(Matrix3x1.ColumnCount, matrix3x1.Columns);
Assert.AreEqual(Matrix3x1.RowCount, matrix3x1.Rows);
}
public void MuliplyByMatrix3x2ProducesMatrix3x1()
{
Matrix2x1 matrix1 = new Matrix2x1(3);
Matrix3x2 matrix2 = new Matrix3x2(2);
Matrix3x1 result = matrix1 * matrix2;
Matrix3x1 expected = new Matrix3x1(12, 12, 12);
Assert.Equal(expected, result);
}
public void AccessorThrowsWhenOutOfBounds()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
Assert.Throws <ArgumentOutOfRangeException>(() => { matrix3x1[-1, 0] = 0; });
Assert.Throws <ArgumentOutOfRangeException>(() => { matrix3x1[0, -1] = 0; });
Assert.Throws <ArgumentOutOfRangeException>(() => { matrix3x1[3, 0] = 0; });
Assert.Throws <ArgumentOutOfRangeException>(() => { matrix3x1[0, 1] = 0; });
}
public void MuliplyByMatrix4x3ProducesMatrix4x1()
{
Matrix3x1 matrix1 = new Matrix3x1(3);
Matrix4x3 matrix2 = new Matrix4x3(2);
Matrix4x1 result = matrix1 * matrix2;
Matrix4x1 expected = new Matrix4x1(18, 18, 18, 18);
Assert.Equal(expected, result);
}
public void ConstantValuesAreCorrect()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
Assert.Equal(3, matrix3x1.Columns);
Assert.Equal(1, matrix3x1.Rows);
Assert.Equal(Matrix3x1.ColumnCount, matrix3x1.Columns);
Assert.Equal(Matrix3x1.RowCount, matrix3x1.Rows);
}
static Matrix3x1 mul(Matrix3x3 A, Matrix3x1 B) // float3x1 mul(float3x3 A, float3x1 B);
{
Matrix3x1 result = new Matrix3x1();
result.m00 = (float)((double)A.m00 * (double)B.m00 + (double)A.m01 * (double)B.m10 + (double)A.m02 * (double)B.m20);
result.m10 = (float)((double)A.m10 * (double)B.m00 + (double)A.m11 * (double)B.m10 + (double)A.m12 * (double)B.m20);
result.m20 = (float)((double)A.m20 * (double)B.m00 + (double)A.m21 * (double)B.m10 + (double)A.m22 * (double)B.m20);
return(result);
}
public void MuliplyByMatrix3x4ProducesMatrix3x1()
{
Matrix4x1 matrix1 = new Matrix4x1(3);
Matrix3x4 matrix2 = new Matrix3x4(2);
Matrix3x1 result = matrix1 * matrix2;
Matrix3x1 expected = new Matrix3x1(24, 24, 24);
Assert.Equal(expected, result);
}
public void MuliplyByMatrix3x1ProducesMatrix3x2()
{
Matrix1x2 matrix1 = new Matrix1x2(3);
Matrix3x1 matrix2 = new Matrix3x1(2);
Matrix3x2 result = matrix1 * matrix2;
Matrix3x2 expected = new Matrix3x2(6, 6, 6,
6, 6, 6);
Assert.Equal(expected, result);
}
public void HashCodeGenerationWorksCorrectly()
{
HashSet <int> hashCodes = new HashSet <int>();
Matrix3x1 value = new Matrix3x1(1);
for (int i = 2; i <= 100; i++)
{
Assert.True(hashCodes.Add(value.GetHashCode()), "Unique hash code generation failure.");
value *= i;
}
}
public void SimpleSubtractionGeneratesCorrectValues()
{
Matrix3x1 value1 = new Matrix3x1(100);
Matrix3x1 value2 = new Matrix3x1(1);
Matrix3x1 result = value1 - value2;
for (int y = 0; y < Matrix3x1.RowCount; y++)
{
for (int x = 0; x < Matrix3x1.ColumnCount; x++)
{
Assert.Equal(100 - 1, result[x, y], Epsilon);
}
}
}
public void RowAccessorAreCorrect()
{
Matrix3x2 value;
GenerateFilledMatrixWithValues(out value);
Matrix3x1 row1 = value.Row1;
for (int x = 0; x < value.Columns; x++)
{
Assert.Equal(value[x, 0], row1[x, 0]);
}
}
public void MemberGetAndSetValuesCorrectly()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
matrix3x1.M11 = 0;
matrix3x1.M21 = 1;
matrix3x1.M31 = 2;
Assert.Equal(0, matrix3x1.M11, Epsilon);
Assert.Equal(1, matrix3x1.M21, Epsilon);
Assert.Equal(2, matrix3x1.M31, Epsilon);
Assert.Equal(matrix3x1[0, 0], matrix3x1.M11, Epsilon);
Assert.Equal(matrix3x1[1, 0], matrix3x1.M21, Epsilon);
Assert.Equal(matrix3x1[2, 0], matrix3x1.M31, Epsilon);
}
private void OnEnable()
{
Mesh mesh = skinnedMeshRenderer.sharedMesh;
normal = mesh.normals[Random.Range(0, mesh.normals.Length - 1)];
tangent = mesh.tangents[Random.Range(0, mesh.tangents.Length - 1)];
unity_WorldToObject = skinnedMeshRenderer.worldToLocalMatrix;
unity_ObjectToWorld = skinnedMeshRenderer.localToWorldMatrix; // gameObject.transform.localToWorldMatrix
// NORMAL
Matrix1x3 n1 = new Matrix1x3(normal);
normal1x3 = mul(n1, unity_WorldToObject);
normal1x3.Normalize();
Matrix3x1 n2 = new Matrix3x1(normal);
normal3x1 = mul(unity_ObjectToWorld, n2); // unity_WorldToObject.MultiplyVector(normal);
normal3x1.Normalize();
// TANGENT
Matrix1x3 t1 = new Matrix1x3(tangent);
tangent1x3NOK = mul(t1, unity_ObjectToWorld);
//tangent1x3NOK.Normalize();
Matrix3x1 t2 = new Matrix3x1(tangent);
tangent3x1OK = mul(unity_ObjectToWorld, t2);// unity_ObjectToWorld.MultiplyVector(tangent);
//tangent3x1OK.Normalize();
Vector3 a = new Vector3(1, 2, 3);
// Vector4 a = new Vector4(1, 2, 3, 4);
Matrix1x3 b = new Matrix1x3(a);
// Matrix1x4 b = new Matrix1x4(a);
Matrix3x1 c = new Matrix3x1(a);
// Matrix4x1 c = new Matrix4x1(a);
Matrix3x3 m = new Matrix3x3(new Vector3(1, 3, 1), new Vector3(2, 2, 2), new Vector3(3, 1, 3));
// Matrix4x4 m = new Matrix4x4(new Vector4(1, 4, 1, 4), new Vector4(2, 3, 2, 3), new Vector4(3, 2, 3, 2), new Vector4(4, 1, 4, 1));
// Debug.Log(mul(a, m));
// Debug.Log(mul(b, m));
// Debug.Log(mul(m, c));
// Matrix4x4 shrink = new Matrix4x4(new Vector4(1, 5, 9, 13), new Vector4(2, 6, 10, 14), new Vector4(3, 7, 11, 15), new Vector4(4, 8, 12, 13));
// Debug.Log((Matrix3x3) shrink);
}
public void ScalarMultiplicationIsCorrect()
{
GenerateFilledMatrixWithValues(out Matrix3x1 matrix3x1);
for (double c = -10; c <= 10; c += 0.5)
{
Matrix3x1 result = matrix3x1 * c;
for (int y = 0; y < matrix3x1.Rows; y++)
{
for (int x = 0; x < matrix3x1.Columns; x++)
{
Assert.Equal(matrix3x1[x, y] * c, result[x, y], Epsilon);
}
}
}
}
public void IndexerGetAndSetValuesCorrectly()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
matrix3x1[x, y] = y * matrix3x1.Columns + x;
}
}
for (int y = 0; y < matrix3x1.Rows; y++)
{
for (int x = 0; x < matrix3x1.Columns; x++)
{
Assert.Equal(y * matrix3x1.Columns + x, matrix3x1[x, y], Epsilon);
}
}
}
public void IndexerGetAndSetValuesCorrectly()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
matrix3x1[x, y] = y * matrix3x1.Columns + x;
}
}
for (int y = 0; y < matrix3x1.Rows; y++)
{
for (int x = 0; x < matrix3x1.Columns; x++)
{
Assert.Equal(y * matrix3x1.Columns + x, matrix3x1[x, y], Epsilon);
}
}
}
public void CanMultiplyMatrices()
{
var firstMatrix = new Matrix1x3();
var secondMatrix = new Matrix3x1();
firstMatrix[0, 0] = 1;
firstMatrix[0, 1] = 2;
firstMatrix[0, 2] = 3;
secondMatrix[0, 0] = 2;
secondMatrix[1, 0] = 1;
secondMatrix[2, 0] = 2;
var matrixProduct = MatrixUtils.Multiply <Matrix1x1>(firstMatrix, secondMatrix);
Assert.AreEqual(matrixProduct[0, 0], 10);
// --------------------------------
var thirdMatrix = new Matrix3x3
{
public void ConstructorValuesAreAccessibleByIndexer()
{
Matrix3x1 matrix3x1;
matrix3x1 = new Matrix3x1();
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
Assert.Equal(0, matrix3x1[x, y], Epsilon);
}
}
double value = 33.33;
matrix3x1 = new Matrix3x1(value);
for (int x = 0; x < matrix3x1.Columns; x++)
{
for (int y = 0; y < matrix3x1.Rows; y++)
{
Assert.Equal(value, matrix3x1[x, y], Epsilon);
}
}
GenerateFilledMatrixWithValues(out matrix3x1);
for (int y = 0; y < matrix3x1.Rows; y++)
{
for (int x = 0; x < matrix3x1.Columns; x++)
{
Assert.Equal(y * matrix3x1.Columns + x, matrix3x1[x, y], Epsilon);
}
}
}
public void AccessorThrowsWhenOutOfBounds()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
try
{
matrix3x1[-1, 0] = 0;
Assert.Fail("Matrix3x1[-1, 0] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix3x1[0, -1] = 0;
Assert.Fail("Matrix3x1[0, -1] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix3x1[3, 0] = 0;
Assert.Fail("Matrix3x1[3, 0] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
try
{
matrix3x1[0, 1] = 0;
Assert.Fail("Matrix3x1[0, 1] did not throw when it should have.");
}
catch (ArgumentOutOfRangeException)
{ }
}
public void MuliplyByMatrix3x1ProducesMatrix3x2()
{
Matrix1x2 matrix1 = new Matrix1x2(3);
Matrix3x1 matrix2 = new Matrix3x1(2);
Matrix3x2 result = matrix1 * matrix2;
Matrix3x2 expected = new Matrix3x2(6, 6, 6,
6, 6, 6);
Assert.AreEqual(expected, result);
}
public void SimpleAdditionGeneratesCorrectValues()
{
Matrix3x1 value1 = new Matrix3x1(1);
Matrix3x1 value2 = new Matrix3x1(99);
Matrix3x1 result = value1 + value2;
for (int y = 0; y < Matrix3x1.RowCount; y++)
{
for (int x = 0; x < Matrix3x1.ColumnCount; x++)
{
Assert.Equal(1 + 99, result[x, y], Epsilon);
}
}
}
public void AccessorThrowsWhenOutOfBounds()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix3x1[-1, 0] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix3x1[0, -1] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix3x1[3, 0] = 0; });
Assert.Throws<ArgumentOutOfRangeException>(() => { matrix3x1[0, 1] = 0; });
}
public void MuliplyByMatrix3x2ProducesMatrix3x1()
{
Matrix2x1 matrix1 = new Matrix2x1(3);
Matrix3x2 matrix2 = new Matrix3x2(2);
Matrix3x1 result = matrix1 * matrix2;
Matrix3x1 expected = new Matrix3x1(12, 12, 12);
Assert.AreEqual(expected, result);
}
public void SimpleSubtractionGeneratesCorrectValues()
{
Matrix3x1 value1 = new Matrix3x1(100);
Matrix3x1 value2 = new Matrix3x1(1);
Matrix3x1 result = value1 - value2;
for (int y = 0; y < Matrix3x1.RowCount; y++)
{
for (int x = 0; x < Matrix3x1.ColumnCount; x++)
{
Assert.AreEqual(100 - 1, result[x, y], Epsilon);
}
}
}
private void GenerateFilledMatrixWithValues(out Matrix3x1 matrix)
{
matrix = new Matrix3x1(0, 1, 2);
}
public void MuliplyByMatrix4x3ProducesMatrix4x1()
{
Matrix3x1 matrix1 = new Matrix3x1(3);
Matrix4x3 matrix2 = new Matrix4x3(2);
Matrix4x1 result = matrix1 * matrix2;
Matrix4x1 expected = new Matrix4x1(18, 18, 18, 18);
Assert.AreEqual(expected, result);
}
public void MuliplyByMatrix3x1ProducesMatrix3x3()
{
Matrix1x3 matrix1 = new Matrix1x3(3);
Matrix3x1 matrix2 = new Matrix3x1(2);
Matrix3x3 result = matrix1 * matrix2;
Matrix3x3 expected = new Matrix3x3(6, 6, 6,
6, 6, 6,
6, 6, 6);
Assert.Equal(expected, result);
}
public void EqualityOperatorWorksCorrectly()
{
Matrix3x1 value1 = new Matrix3x1(100);
Matrix3x1 value2 = new Matrix3x1(50) * 2;
Assert.AreEqual(value1, value2);
Assert.IsTrue(value1 == value2, "Equality operator failed.");
}
public void MuliplyByMatrix3x4ProducesMatrix3x1()
{
Matrix4x1 matrix1 = new Matrix4x1(3);
Matrix3x4 matrix2 = new Matrix3x4(2);
Matrix3x1 result = matrix1 * matrix2;
Matrix3x1 expected = new Matrix3x1(24, 24, 24);
Assert.AreEqual(expected, result);
}
private void GenerateFilledMatrixWithValues(out Matrix3x1 matrix)
{
matrix = new Matrix3x1(0, 1, 2);
}
public void HashCodeGenerationWorksCorrectly()
{
HashSet<int> hashCodes = new HashSet<int>();
Matrix3x1 value = new Matrix3x1(1);
for (int i = 2; i <= 100; i++)
{
if (!hashCodes.Add(value.GetHashCode()))
{
Assert.Fail("Unique hash code generation failure.");
}
value *= i;
}
}
public void MemberGetAndSetValuesCorrectly()
{
Matrix3x1 matrix3x1 = new Matrix3x1();
matrix3x1.M11 = 0;
matrix3x1.M21 = 1;
matrix3x1.M31 = 2;
Assert.AreEqual(0, matrix3x1.M11, Epsilon);
Assert.AreEqual(1, matrix3x1.M21, Epsilon);
Assert.AreEqual(2, matrix3x1.M31, Epsilon);
Assert.AreEqual(matrix3x1[0, 0], matrix3x1.M11, Epsilon);
Assert.AreEqual(matrix3x1[1, 0], matrix3x1.M21, Epsilon);
Assert.AreEqual(matrix3x1[2, 0], matrix3x1.M31, Epsilon);
}
