Matrix2 class - game library

Constructors

Matrix2(double arg0, double arg1, double arg2, double arg3): New matrix with specified values.
factory
Matrix2.columns(Vector2 arg0, Vector2 arg1): Matrix with values from column arguments.
factory
Matrix2.copy(Matrix2 other): Copies values from other.
factory
Matrix2.fromList(List<double> values): New matrix from values.
factory
Matrix2.identity(): Identity matrix.
factory
Matrix2.outer(Vector2 u, Vector2 v): Outer product of u and v.
factory
Matrix2.rotation(double radians): Rotation of radians.
factory
Matrix2.zero(): Zero matrix.

Properties

dimension → int: Dimension of the matrix.
no setter
hashCode → int: The hash code for this object.
no setteroverride
row0 ↔ Vector2: Returns row 0
getter/setter pair
row1 ↔ Vector2: Returns row 1
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
storage → Float32List: The components of the matrix.
no setter

Methods

absolute() → Matrix2: Returns the component wise absolute value of this.
absoluteError(Matrix2 correct) → double: Returns absolute error between this and correct
add(Matrix2 o) → void: Add o to this.
clone() → Matrix2: Create a copy of this.
copyFromArray(List<double> array, [int offset = 0]) → void: Copies elements from array into this starting at offset.
copyInto(Matrix2 arg) → Matrix2: Copy this into arg.
copyIntoArray(List<num> array, [int offset = 0]) → void: Copies this into array starting at offset.
copyInverse(Matrix2 arg) → double: Set this matrix to be the inverse of arg
determinant() → double: Returns the determinant of this matrix.
dotColumn(int j, Vector2 v) → double: Returns the dot product of column j and v.
dotRow(int i, Vector2 v) → double: Returns the dot product of row i and v.
entry(int row, int col) → double: Value at row, col.
getColumn(int column) → Vector2: Gets the column of the matrix
getRow(int row) → Vector2: Gets the row of the matrix
index(int row, int col) → int: Return index in storage for row, col value.
infinityNorm() → double: Returns infinity norm of the matrix. Used for numerical analysis.
invert() → double: Invert the matrix. Returns the determinant.
multiplied(Matrix2 arg) → Matrix2: Multiply this with arg and return the product.
multiply(Matrix2 arg) → void: Multiply this with arg and store it in this.
multiplyTranspose(Matrix2 arg) → void: Multiply this with a transposed arg.
negate() → void: Negate this.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
relativeError(Matrix2 correct) → double: Returns relative error between this and correct
scale(double scale) → void: Scale this by scale.
scaleAdjoint(double scale) → void: Converts into Adjugate matrix and scales by scale
scaled(double scale) → Matrix2: Create a copy of this scaled by scale.
setColumn(int column, Vector2 arg) → void: Assigns the column of the matrix arg
setColumns(Vector2 arg0, Vector2 arg1) → void: Sets the entire matrix to the column values.
setDiagonal(Vector2 arg) → void: Sets the diagonal of the matrix to be arg.
setEntry(int row, int col, double v) → void: Set value at row, col to be v.
setFrom(Matrix2 arg) → void: Sets the entire matrix to the matrix in arg.
setIdentity() → void: Makes this into the identity matrix.
setOuter(Vector2 u, Vector2 v) → void: Set this to the outer product of u and v.
setRotation(double radians) → void: Turns the matrix into a rotation of radians
setRow(int row, Vector2 arg) → void: Sets row of the matrix to values in arg
setValues(double arg0, double arg1, double arg2, double arg3) → void: Sets the matrix with specified values.
setZero() → void: Zeros this.
splatDiagonal(double arg) → void: Sets the diagonal to arg.
sub(Matrix2 o) → void: Subtract o from this.
toString() → String: Returns a printable string
override
trace() → double: Trace of the matrix.
transform(Vector2 arg) → Vector2: Transform arg of type Vector2 using the transformation defined by this.
transformed(Vector2 arg, [Vector2? out]) → Vector2: Transform a copy of arg of type Vector2 using the transformation defined by this. If a out parameter is supplied, the copy is stored in out.
transpose() → void
transposed() → Matrix2: Returns the tranpose of this.
transposeMultiply(Matrix2 arg) → void: Multiply a transposed this with arg.

Operators

operator *(dynamic arg) → dynamic: Returns a new vector or matrix by multiplying this with arg.
operator +(Matrix2 arg) → Matrix2: Returns new matrix after component wise this + arg
operator -(Matrix2 arg) → Matrix2: Returns new matrix after component wise this - arg
operator ==(Object other) → bool: Check if two matrices are the same.
override
operator [](int i) → double: Access the element of the matrix at the index i.
operator []=(int i, double v) → void: Set the element of the matrix at the index i.
operator unary-() → Matrix2: Returns new matrix -this

Static Methods

solve(Matrix2 A, Vector2 x, Vector2 b) → void: Solve A * x = b.