mat

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 Go to latest Published: Oct 8, 2021 License: MIT Imports: 2 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Matrix 

type Matrix [][]float32

func New 

func New(rows, cols int, arr ...float32) Matrix

func (Matrix) Add 

func (m Matrix) Add(m1 Matrix) Matrix

func (Matrix) Clone 

func (m Matrix) Clone() Matrix

func (Matrix) Col 

func (m Matrix) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (Matrix) Det 

func (m Matrix) Det() float32

Determinant only valid for square matrix Undefined behavior for non square matrices

func (Matrix) Diagonal 

func (m Matrix) Diagonal(dst vec.Vector) vec.Vector

Size of the destination vector must equal to number of rows

func (Matrix) DivC 

func (m Matrix) DivC(c float32) Matrix

func (Matrix) Eye 

func (m Matrix) Eye() Matrix

Fills destination matrix with identity matrix.

func (Matrix) Flat 

func (m Matrix) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (Matrix) LU 

func (m Matrix) LU(L, U Matrix)

LU decomposition into two triangular matrices NOTE: Assume, that l&u matrices are set to zero Matrix must be square and M, L and U matrix sizes must be equal

func (Matrix) Matrix 

func (m Matrix) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (Matrix) Mul 

func (m Matrix) Mul(a Matrix, b Matrix) Matrix

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (Matrix) MulC 

func (m Matrix) MulC(c float32) Matrix

func (Matrix) MulDiag 

func (m Matrix) MulDiag(a Matrix, b vec.Vector) Matrix

Only makes sense for square matrices. Vector size must be equal to number of rows/cols

func (Matrix) MulVec 

func (m Matrix) MulVec(v vec.Vector, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (Matrix) MulVecT 

func (m Matrix) MulVecT(v vec.Vector, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (Matrix) Orientation 

func (m Matrix) Orientation(q vec.Quaternion) Matrix

Build orientation matrix from quaternion Matrix size must be at least 3x3 Quaternion axis must be unit vector

func (Matrix) Quaternion 

func (m Matrix) Quaternion() (q *vec.Quaternion)

/ https://math.stackexchange.com/questions/893984/conversion-of-rotation-matrix-to-quaternion / Must be at least 3x3 matrix

func (Matrix) Rotation2D 

func (m Matrix) Rotation2D(a float32) Matrix

Fills destination matrix with a 2D rotation Matrix size must be at least 2x2

func (Matrix) RotationX 

func (m Matrix) RotationX(a float32) Matrix

Fills destination matrix with a rotation around X axis Matrix size must be at least 3x3

func (Matrix) RotationY 

func (m Matrix) RotationY(a float32) Matrix

Fills destination matrix with a rotation around Y axis Matrix size must be at least 3x3

func (Matrix) RotationZ 

func (m Matrix) RotationZ(a float32) Matrix

Fills destination matrix with a rotation around Z axis Matrix size must be at least 3x3

func (Matrix) Row 

func (m Matrix) Row(row int) vec.Vector

Returns a slice to the row.

func (Matrix) SetCol 

func (m Matrix) SetCol(col int, v vec.Vector) Matrix

func (Matrix) SetDiagonal 

func (m Matrix) SetDiagonal(v vec.Vector) Matrix

Size of the vector must equal to number of rows

func (Matrix) SetRow 

func (m Matrix) SetRow(row int, v vec.Vector) Matrix

func (Matrix) SetSubmatrix 

func (m Matrix) SetSubmatrix(row, col int, m1 Matrix) Matrix

func (Matrix) SetSubmatrixRaw 

func (m Matrix) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) Matrix

func (Matrix) Sub 

func (m Matrix) Sub(m1 Matrix) Matrix

func (Matrix) Submatrix 

func (m Matrix) Submatrix(row, col int, m1 Matrix) Matrix

func (Matrix) Transpose 

func (m Matrix) Transpose(m1 Matrix) Matrix

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type Matrix2x2 

type Matrix2x2 [2][2]float32

func New2x2 

func New2x2(arr ...float32) Matrix2x2

func (*Matrix2x2) Add 

func (m *Matrix2x2) Add(m1 Matrix2x2) *Matrix2x2

func (*Matrix2x2) Clone 

func (m *Matrix2x2) Clone() *Matrix2x2

func (*Matrix2x2) Col 

func (m *Matrix2x2) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (*Matrix2x2) Det 

func (m *Matrix2x2) Det() float32

Determinant only valid for square matrix Undefined behavior for non square matrices

func (*Matrix2x2) Diagonal 

func (m *Matrix2x2) Diagonal(dst vec.Vector) vec.Vector

Size of the destination vector must equal to number of rows

func (*Matrix2x2) DivC 

func (m *Matrix2x2) DivC(c float32) *Matrix2x2

func (*Matrix2x2) Eye 

func (m *Matrix2x2) Eye() *Matrix2x2

Fills destination matrix with identity matrix.

func (*Matrix2x2) Flat 

func (m *Matrix2x2) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (*Matrix2x2) LU 

func (m *Matrix2x2) LU(L, U *Matrix2x2)

LU decomposition into two triangular matrices NOTE: Assume, that l&u matrices are set to zero Matrix must be square and M, L and U matrix sizes must be equal

func (*Matrix2x2) Matrix 

func (m *Matrix2x2) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (*Matrix2x2) Mul 

func (m *Matrix2x2) Mul(a Matrix2x2, b Matrix2x2) *Matrix2x2

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (*Matrix2x2) MulC 

func (m *Matrix2x2) MulC(c float32) *Matrix2x2

func (*Matrix2x2) MulDiag 

func (m *Matrix2x2) MulDiag(a Matrix2x2, b vec.Vector2D) *Matrix2x2

Only makes sense for square matrices. Vector size must be equal to number of rows/cols

func (*Matrix2x2) MulVec 

func (m *Matrix2x2) MulVec(v vec.Vector2D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (*Matrix2x2) MulVecT 

func (m *Matrix2x2) MulVecT(v vec.Vector2D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (*Matrix2x2) Rotation2D 

func (m *Matrix2x2) Rotation2D(a float32) *Matrix2x2

Fills destination matrix with a 2D rotation Matrix size must be at least 2x2

func (*Matrix2x2) Row 

func (m *Matrix2x2) Row(row int) vec.Vector

Returns a slice to the row.

func (*Matrix2x2) SetCol 

func (m *Matrix2x2) SetCol(col int, v vec.Vector) *Matrix2x2

func (*Matrix2x2) SetDiagonal 

func (m *Matrix2x2) SetDiagonal(v vec.Vector2D) *Matrix2x2

Size of the vector must equal to number of rows

func (*Matrix2x2) SetRow 

func (m *Matrix2x2) SetRow(row int, v vec.Vector) *Matrix2x2

func (*Matrix2x2) SetSubmatrix 

func (m *Matrix2x2) SetSubmatrix(row, col int, m1 Matrix) *Matrix2x2

func (*Matrix2x2) SetSubmatrixRaw 

func (m *Matrix2x2) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) *Matrix2x2

func (*Matrix2x2) Sub 

func (m *Matrix2x2) Sub(m1 Matrix2x2) *Matrix2x2

func (*Matrix2x2) Submatrix 

func (m *Matrix2x2) Submatrix(row, col int, m1 Matrix) Matrix

func (*Matrix2x2) Transpose 

func (m *Matrix2x2) Transpose(m1 Matrix2x2) *Matrix2x2

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type Matrix3x3 

type Matrix3x3 [3][3]float32

func New3x3 

func New3x3(arr ...float32) Matrix3x3

func (*Matrix3x3) Add 

func (m *Matrix3x3) Add(m1 Matrix3x3) *Matrix3x3

func (*Matrix3x3) Clone 

func (m *Matrix3x3) Clone() *Matrix3x3

func (*Matrix3x3) Col 

func (m *Matrix3x3) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (*Matrix3x3) Det 

func (m *Matrix3x3) Det() float32

Determinant only valid for square matrix Undefined behavior for non square matrices

func (*Matrix3x3) Diagonal 

func (m *Matrix3x3) Diagonal(dst vec.Vector) vec.Vector

Size of the destination vector must equal to number of rows

func (*Matrix3x3) DivC 

func (m *Matrix3x3) DivC(c float32) *Matrix3x3

func (*Matrix3x3) Eye 

func (m *Matrix3x3) Eye() *Matrix3x3

Fills destination matrix with identity matrix.

func (*Matrix3x3) Flat 

func (m *Matrix3x3) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (*Matrix3x3) LU 

func (m *Matrix3x3) LU(L, U *Matrix3x3)

LU decomposition into two triangular matrices NOTE: Assume, that l&u matrices are set to zero Matrix must be square and M, L and U matrix sizes must be equal

func (*Matrix3x3) Matrix 

func (m *Matrix3x3) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (*Matrix3x3) Mul 

func (m *Matrix3x3) Mul(a Matrix3x3, b Matrix3x3) *Matrix3x3

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (*Matrix3x3) MulC 

func (m *Matrix3x3) MulC(c float32) *Matrix3x3

func (*Matrix3x3) MulDiag 

func (m *Matrix3x3) MulDiag(a Matrix3x3, b vec.Vector3D) *Matrix3x3

Only makes sense for square matrices. Vector size must be equal to number of rows/cols

func (*Matrix3x3) MulVec 

func (m *Matrix3x3) MulVec(v vec.Vector3D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (*Matrix3x3) MulVecT 

func (m *Matrix3x3) MulVecT(v vec.Vector3D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (*Matrix3x3) Orientation 

func (m *Matrix3x3) Orientation(q vec.Quaternion) *Matrix3x3

Build orientation matrix from quaternion Matrix size must be at least 3x3 Quaternion axis must be unit vector

func (*Matrix3x3) Quaternion 

func (m *Matrix3x3) Quaternion() (q *vec.Quaternion)

/ https://math.stackexchange.com/questions/893984/conversion-of-rotation-matrix-to-quaternion / Must be at least 3x3 matrix

func (*Matrix3x3) RotationX 

func (m *Matrix3x3) RotationX(a float32) *Matrix3x3

Fills destination matrix with a rotation around X axis Matrix size must be at least 3x3

func (*Matrix3x3) RotationY 

func (m *Matrix3x3) RotationY(a float32) *Matrix3x3

Fills destination matrix with a rotation around Y axis Matrix size must be at least 3x3

func (*Matrix3x3) RotationZ 

func (m *Matrix3x3) RotationZ(a float32) *Matrix3x3

Fills destination matrix with a rotation around Z axis Matrix size must be at least 3x3

func (*Matrix3x3) Row 

func (m *Matrix3x3) Row(row int) vec.Vector

Returns a slice to the row.

func (*Matrix3x3) SetCol 

func (m *Matrix3x3) SetCol(col int, v vec.Vector) *Matrix3x3

func (*Matrix3x3) SetDiagonal 

func (m *Matrix3x3) SetDiagonal(v vec.Vector3D) *Matrix3x3

Size of the vector must equal to number of rows

func (*Matrix3x3) SetRow 

func (m *Matrix3x3) SetRow(row int, v vec.Vector) *Matrix3x3

func (*Matrix3x3) SetSubmatrix 

func (m *Matrix3x3) SetSubmatrix(row, col int, m1 Matrix) *Matrix3x3

func (*Matrix3x3) SetSubmatrixRaw 

func (m *Matrix3x3) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) *Matrix3x3

func (*Matrix3x3) Sub 

func (m *Matrix3x3) Sub(m1 Matrix3x3) *Matrix3x3

func (*Matrix3x3) Submatrix 

func (m *Matrix3x3) Submatrix(row, col int, m1 Matrix) Matrix

func (*Matrix3x3) Transpose 

func (m *Matrix3x3) Transpose(m1 Matrix3x3) *Matrix3x3

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type Matrix3x4 

type Matrix3x4 [3][4]float32

func New3x4 

func New3x4(arr ...float32) Matrix3x4

func (*Matrix3x4) Add 

func (m *Matrix3x4) Add(m1 Matrix3x4) *Matrix3x4

func (*Matrix3x4) Clone 

func (m *Matrix3x4) Clone() *Matrix3x4

func (*Matrix3x4) Col 

func (m *Matrix3x4) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (*Matrix3x4) DivC 

func (m *Matrix3x4) DivC(c float32) *Matrix3x4

func (*Matrix3x4) Flat 

func (m *Matrix3x4) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (*Matrix3x4) Matrix 

func (m *Matrix3x4) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (*Matrix3x4) Mul 

func (m *Matrix3x4) Mul(a Matrix, b Matrix4x3) *Matrix3x4

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (*Matrix3x4) MulC 

func (m *Matrix3x4) MulC(c float32) *Matrix3x4

func (*Matrix3x4) MulVec 

func (m *Matrix3x4) MulVec(v vec.Vector4D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (*Matrix3x4) MulVecT 

func (m *Matrix3x4) MulVecT(v vec.Vector3D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (*Matrix3x4) Orientation 

func (m *Matrix3x4) Orientation(q vec.Quaternion) *Matrix3x4

Build orientation matrix from quaternion Matrix size must be at least 3x3 Quaternion axis must be unit vector

func (*Matrix3x4) Quaternion 

func (m *Matrix3x4) Quaternion() (q *vec.Quaternion)

/ https://math.stackexchange.com/questions/893984/conversion-of-rotation-matrix-to-quaternion / Must be at least 3x3 matrix

func (*Matrix3x4) RotationX 

func (m *Matrix3x4) RotationX(a float32) *Matrix3x4

Fills destination matrix with a rotation around X axis Matrix size must be at least 3x3

func (*Matrix3x4) RotationY 

func (m *Matrix3x4) RotationY(a float32) *Matrix3x4

Fills destination matrix with a rotation around Y axis Matrix size must be at least 3x3

func (*Matrix3x4) RotationZ 

func (m *Matrix3x4) RotationZ(a float32) *Matrix3x4

Fills destination matrix with a rotation around Z axis Matrix size must be at least 3x3

func (*Matrix3x4) Row 

func (m *Matrix3x4) Row(row int) vec.Vector

Returns a slice to the row.

func (*Matrix3x4) SetCol 

func (m *Matrix3x4) SetCol(col int, v vec.Vector) *Matrix3x4

func (*Matrix3x4) SetRow 

func (m *Matrix3x4) SetRow(row int, v vec.Vector) *Matrix3x4

func (*Matrix3x4) SetSubmatrix 

func (m *Matrix3x4) SetSubmatrix(row, col int, m1 Matrix) *Matrix3x4

func (*Matrix3x4) SetSubmatrixRaw 

func (m *Matrix3x4) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) *Matrix3x4

func (*Matrix3x4) Sub 

func (m *Matrix3x4) Sub(m1 Matrix3x4) *Matrix3x4

func (*Matrix3x4) Submatrix 

func (m *Matrix3x4) Submatrix(row, col int, m1 Matrix) Matrix

func (*Matrix3x4) Transpose 

func (m *Matrix3x4) Transpose(m1 Matrix4x3) *Matrix3x4

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type Matrix4x3 

type Matrix4x3 [4][3]float32

func New4x3 

func New4x3(arr ...float32) Matrix4x3

func (*Matrix4x3) Add 

func (m *Matrix4x3) Add(m1 Matrix4x3) *Matrix4x3

func (*Matrix4x3) Clone 

func (m *Matrix4x3) Clone() *Matrix4x3

func (*Matrix4x3) Col 

func (m *Matrix4x3) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (*Matrix4x3) DivC 

func (m *Matrix4x3) DivC(c float32) *Matrix4x3

func (*Matrix4x3) Flat 

func (m *Matrix4x3) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (*Matrix4x3) Matrix 

func (m *Matrix4x3) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (*Matrix4x3) Mul 

func (m *Matrix4x3) Mul(a Matrix, b Matrix3x4) *Matrix4x3

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (*Matrix4x3) MulC 

func (m *Matrix4x3) MulC(c float32) *Matrix4x3

func (*Matrix4x3) MulVec 

func (m *Matrix4x3) MulVec(v vec.Vector3D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (*Matrix4x3) MulVecT 

func (m *Matrix4x3) MulVecT(v vec.Vector4D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (*Matrix4x3) Orientation 

func (m *Matrix4x3) Orientation(q vec.Quaternion) *Matrix4x3

Build orientation matrix from quaternion Matrix size must be at least 3x3 Quaternion axis must be unit vector

func (*Matrix4x3) Quaternion 

func (m *Matrix4x3) Quaternion() (q *vec.Quaternion)

/ https://math.stackexchange.com/questions/893984/conversion-of-rotation-matrix-to-quaternion / Must be at least 3x3 matrix

func (*Matrix4x3) RotationX 

func (m *Matrix4x3) RotationX(a float32) *Matrix4x3

Fills destination matrix with a rotation around X axis Matrix size must be at least 3x3

func (*Matrix4x3) RotationY 

func (m *Matrix4x3) RotationY(a float32) *Matrix4x3

Fills destination matrix with a rotation around Y axis Matrix size must be at least 3x3

func (*Matrix4x3) RotationZ 

func (m *Matrix4x3) RotationZ(a float32) *Matrix4x3

Fills destination matrix with a rotation around Z axis Matrix size must be at least 3x3

func (*Matrix4x3) Row 

func (m *Matrix4x3) Row(row int) vec.Vector

Returns a slice to the row.

func (*Matrix4x3) SetCol 

func (m *Matrix4x3) SetCol(col int, v vec.Vector) *Matrix4x3

func (*Matrix4x3) SetRow 

func (m *Matrix4x3) SetRow(row int, v vec.Vector) *Matrix4x3

func (*Matrix4x3) SetSubmatrix 

func (m *Matrix4x3) SetSubmatrix(row, col int, m1 Matrix) *Matrix4x3

func (*Matrix4x3) SetSubmatrixRaw 

func (m *Matrix4x3) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) *Matrix4x3

func (*Matrix4x3) Sub 

func (m *Matrix4x3) Sub(m1 Matrix4x3) *Matrix4x3

func (*Matrix4x3) Submatrix 

func (m *Matrix4x3) Submatrix(row, col int, m1 Matrix) Matrix

func (*Matrix4x3) Transpose 

func (m *Matrix4x3) Transpose(m1 Matrix3x4) *Matrix4x3

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type Matrix4x4 

type Matrix4x4 [4][4]float32

func New4x4 

func New4x4(arr ...float32) Matrix4x4

func (*Matrix4x4) Add 

func (m *Matrix4x4) Add(m1 Matrix4x4) *Matrix4x4

func (*Matrix4x4) Clone 

func (m *Matrix4x4) Clone() *Matrix4x4

func (*Matrix4x4) Col 

func (m *Matrix4x4) Col(col int, v vec.Vector) vec.Vector

Returns a copy of the matrix column.

func (*Matrix4x4) Det 

func (m *Matrix4x4) Det() float32

Determinant only valid for square matrix Undefined behavior for non square matrices

func (*Matrix4x4) Diagonal 

func (m *Matrix4x4) Diagonal(dst vec.Vector) vec.Vector

Size of the destination vector must equal to number of rows

func (*Matrix4x4) DivC 

func (m *Matrix4x4) DivC(c float32) *Matrix4x4

func (*Matrix4x4) Eye 

func (m *Matrix4x4) Eye() *Matrix4x4

Fills destination matrix with identity matrix.

func (*Matrix4x4) Flat 

func (m *Matrix4x4) Flat(v vec.Vector) vec.Vector

Returns a flat representation of this matrix.

func (*Matrix4x4) LU 

func (m *Matrix4x4) LU(L, U *Matrix4x4)

LU decomposition into two triangular matrices NOTE: Assume, that l&u matrices are set to zero Matrix must be square and M, L and U matrix sizes must be equal

func (*Matrix4x4) Matrix 

func (m *Matrix4x4) Matrix() Matrix

Returns a Matrix view of this matrix. The view actually contains slices of original matrix rows. This way original matrix can be modified.

func (*Matrix4x4) Mul 

func (m *Matrix4x4) Mul(a Matrix4x4, b Matrix4x4) *Matrix4x4

Destination matrix must be properly sized. given that a is MxN and b is NxK then destinatiom matrix must be MxK

func (*Matrix4x4) MulC 

func (m *Matrix4x4) MulC(c float32) *Matrix4x4

func (*Matrix4x4) MulDiag 

func (m *Matrix4x4) MulDiag(a Matrix4x4, b vec.Vector4D) *Matrix4x4

Only makes sense for square matrices. Vector size must be equal to number of rows/cols

func (*Matrix4x4) MulVec 

func (m *Matrix4x4) MulVec(v vec.Vector4D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of cols. Destination vector must have a size equal to number of rows.

func (*Matrix4x4) MulVecT 

func (m *Matrix4x4) MulVecT(v vec.Vector4D, dst vec.Vector) vec.Vector

Vector must have a size equal to number of rows. Destination vector must have a size equal to number of cols.

func (*Matrix4x4) Orientation 

func (m *Matrix4x4) Orientation(q vec.Quaternion) *Matrix4x4

Build orientation matrix from quaternion Matrix size must be at least 3x3 Quaternion axis must be unit vector

func (*Matrix4x4) Quaternion 

func (m *Matrix4x4) Quaternion() (q *vec.Quaternion)

/ https://math.stackexchange.com/questions/893984/conversion-of-rotation-matrix-to-quaternion / Must be at least 3x3 matrix

func (*Matrix4x4) RotationX 

func (m *Matrix4x4) RotationX(a float32) *Matrix4x4

Fills destination matrix with a rotation around X axis Matrix size must be at least 3x3

func (*Matrix4x4) RotationY 

func (m *Matrix4x4) RotationY(a float32) *Matrix4x4

Fills destination matrix with a rotation around Y axis Matrix size must be at least 3x3

func (*Matrix4x4) RotationZ 

func (m *Matrix4x4) RotationZ(a float32) *Matrix4x4

Fills destination matrix with a rotation around Z axis Matrix size must be at least 3x3

func (*Matrix4x4) Row 

func (m *Matrix4x4) Row(row int) vec.Vector

Returns a slice to the row.

func (*Matrix4x4) SetCol 

func (m *Matrix4x4) SetCol(col int, v vec.Vector) *Matrix4x4

func (*Matrix4x4) SetDiagonal 

func (m *Matrix4x4) SetDiagonal(v vec.Vector4D) *Matrix4x4

Size of the vector must equal to number of rows

func (*Matrix4x4) SetRow 

func (m *Matrix4x4) SetRow(row int, v vec.Vector) *Matrix4x4

func (*Matrix4x4) SetSubmatrix 

func (m *Matrix4x4) SetSubmatrix(row, col int, m1 Matrix) *Matrix4x4

func (*Matrix4x4) SetSubmatrixRaw 

func (m *Matrix4x4) SetSubmatrixRaw(row, col, rows1, cols1 int, m1 ...float32) *Matrix4x4

func (*Matrix4x4) Sub 

func (m *Matrix4x4) Sub(m1 Matrix4x4) *Matrix4x4

func (*Matrix4x4) Submatrix 

func (m *Matrix4x4) Submatrix(row, col int, m1 Matrix) Matrix

func (*Matrix4x4) Transpose 

func (m *Matrix4x4) Transpose(m1 Matrix4x4) *Matrix4x4

Transposes matrix m1 and stores the result in the destination matrix destination matrix must be of appropriate size. NOTE: Does not support in place transpose

type MatrixSparse 

type MatrixSparse struct {
	Rows, Cols int
	Data       []MatrixSparseTriplet
}

type MatrixSparseTriplet 

type MatrixSparseTriplet struct {
	Row, Col int
	Value    float32
}

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