gl-matrix

# publish()

Called automatically by JsDoc Toolkit.

Returns

Void

# summarize()

Just the first sentence (up to a full stop). Should not break on dotted variable names.

Returns

Void

# makeSortby()

Make a symbol sorter by some attribute.

Returns

Void

# include()

Pull in the contents of an external file at the given path.

Returns

Void

# makeSrcFile()

Turn a raw source file into a code-hilited page in the docs.

Returns

Void

# makeSignature()

Build output for displaying function parameters.

Returns

Void

# resolveLinks()

Find symbol {@link ...} strings in text and turn into html links

Returns

Void

# setMatrixArrayType(type)

Sets the type of array used when creating new vectors and matrices

Parameters

Name	Type	Description
type	`Type`	Array type, such as Float32Array or Array

Returns

Void

# toRadian(a)

Convert Degree To Radian

Parameters

Name	Type	Description
a	`Number`	Angle in Degrees

Returns

Void

# equals(a, b)

Tests whether or not the arguments have approximately the same value, within an absolute or relative tolerance of glMatrix.EPSILON (an absolute tolerance is used for values less than or equal to 1.0, and a relative tolerance is used for larger values)

Parameters

Name	Type	Description
a	`Number`	The first number to test.
b	`Number`	The second number to test.

Returns

Boolean

True if the numbers are approximately equal, false otherwise.

# create()

Creates a new identity mat2

Returns

mat2

a new 2x2 matrix

# clone(a)

Creates a new mat2 initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat2`	matrix to clone

Returns

mat2

a new 2x2 matrix

# copy(out, a)

Copy the values from one mat2 to another

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# identity(out)

Set a mat2 to the identity matrix

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix

Returns

mat2

out

# fromValues(m00, m01, m10, m11)

Create a new mat2 with the given values

Parameters

Name	Type	Description
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m10	`Number`	Component in column 1, row 0 position (index 2)
m11	`Number`	Component in column 1, row 1 position (index 3)

Returns

mat2

out A new 2x2 matrix

# set(out, m00, m01, m10, m11)

Set the components of a mat2 to the given values

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m10	`Number`	Component in column 1, row 0 position (index 2)
m11	`Number`	Component in column 1, row 1 position (index 3)

Returns

mat2

out

# transpose(out, a)

Transpose the values of a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# invert(out, a)

Inverts a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# adjoint(out, a)

Calculates the adjugate of a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# determinant(a)

Calculates the determinant of a mat2

Parameters

Name	Type	Description
a	`mat2`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat2's

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# rotate(out, a, rad)

Rotates a mat2 by the given angle

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat2

out

# scale(out, a, v)

Scales the mat2 by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to rotate
v	`vec2`	the vec2 to scale the matrix by

Returns

mat2

out

# fromRotation(out, rad)

Creates a matrix from a given angle This is equivalent to (but much faster than):

mat2.identity(dest);
mat2.rotate(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat2`	mat2 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat2

out

# fromScaling(out, v)

Creates a matrix from a vector scaling This is equivalent to (but much faster than):

mat2.identity(dest);
mat2.scale(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat2`	mat2 receiving operation result
v	`vec2`	Scaling vector

Returns

mat2

out

# str(a)

Returns a string representation of a mat2

Parameters

Name	Type	Description
a	`mat2`	matrix to represent as a string

Returns

String

string representation of the matrix

# frob(a)

Returns Frobenius norm of a mat2

Parameters

Name	Type	Description
a	`mat2`	the matrix to calculate Frobenius norm of

Returns

Number

Frobenius norm

# LDU(L, D, U, a)

Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix

Parameters

Name	Type	Description
L	`mat2`	the lower triangular matrix
D	`mat2`	the diagonal matrix
U	`mat2`	the upper triangular matrix
a	`mat2`	the input matrix to factorize

Returns

Void

# add(out, a, b)

Adds two mat2's

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# subtract(out, a, b)

Subtracts matrix b from matrix a

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# exactEquals(a, b)

Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`mat2`	The first matrix.
b	`mat2`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# equals(a, b)

Returns whether or not the matrices have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`mat2`	The first matrix.
b	`mat2`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# multiplyScalar(out, a, b)

Multiply each element of the matrix by a scalar.

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to scale
b	`Number`	amount to scale the matrix's elements by

Returns

mat2

out

# multiplyScalarAndAdd(out, a, b, scale)

Adds two mat2's after multiplying each element of the second operand by a scalar value.

Parameters

Name	Type	Description
out	`mat2`	the receiving vector
a	`mat2`	the first operand
b	`mat2`	the second operand
scale	`Number`	the amount to scale b's elements by before adding

Returns

mat2

out

# create()

Creates a new identity mat2d

Returns

mat2d

a new 2x3 matrix

# clone(a)

Creates a new mat2d initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat2d`	matrix to clone

Returns

mat2d

a new 2x3 matrix

# copy(out, a)

Copy the values from one mat2d to another

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the source matrix

Returns

mat2d

out

# identity(out)

Set a mat2d to the identity matrix

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix

Returns

mat2d

out

# fromValues(a, b, c, d, tx, ty)

Create a new mat2d with the given values

Parameters

Name	Type	Description
a	`Number`	Component A (index 0)
b	`Number`	Component B (index 1)
c	`Number`	Component C (index 2)
d	`Number`	Component D (index 3)
tx	`Number`	Component TX (index 4)
ty	`Number`	Component TY (index 5)

Returns

mat2d

A new mat2d

# set(out, a, b, c, d, tx, ty)

Set the components of a mat2d to the given values

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`Number`	Component A (index 0)
b	`Number`	Component B (index 1)
c	`Number`	Component C (index 2)
d	`Number`	Component D (index 3)
tx	`Number`	Component TX (index 4)
ty	`Number`	Component TY (index 5)

Returns

mat2d

out

# invert(out, a)

Inverts a mat2d

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the source matrix

Returns

mat2d

out

# determinant(a)

Calculates the determinant of a mat2d

Parameters

Name	Type	Description
a	`mat2d`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat2d's

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the first operand
b	`mat2d`	the second operand

Returns

mat2d

out

# rotate(out, a, rad)

Rotates a mat2d by the given angle

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat2d

out

# scale(out, a, v)

Scales the mat2d by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to translate
v	`vec2`	the vec2 to scale the matrix by

Returns

mat2d

out

# translate(out, a, v)

Translates the mat2d by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to translate
v	`vec2`	the vec2 to translate the matrix by

Returns

mat2d

out

# fromRotation(out, rad)

Creates a matrix from a given angle This is equivalent to (but much faster than):

mat2d.identity(dest);
mat2d.rotate(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat2d`	mat2d receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat2d

out

# fromScaling(out, v)

Creates a matrix from a vector scaling This is equivalent to (but much faster than):

mat2d.identity(dest);
mat2d.scale(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat2d`	mat2d receiving operation result
v	`vec2`	Scaling vector

Returns

mat2d

out

# fromTranslation(out, v)

Creates a matrix from a vector translation This is equivalent to (but much faster than):

mat2d.identity(dest);
mat2d.translate(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat2d`	mat2d receiving operation result
v	`vec2`	Translation vector

Returns

mat2d

out

# str(a)

Returns a string representation of a mat2d

Parameters

Name	Type	Description
a	`mat2d`	matrix to represent as a string

Returns

String

string representation of the matrix

# frob(a)

Returns Frobenius norm of a mat2d

Parameters

Name	Type	Description
a	`mat2d`	the matrix to calculate Frobenius norm of

Returns

Number

Frobenius norm

# add(out, a, b)

Adds two mat2d's

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the first operand
b	`mat2d`	the second operand

Returns

mat2d

out

# subtract(out, a, b)

Subtracts matrix b from matrix a

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the first operand
b	`mat2d`	the second operand

Returns

mat2d

out

# multiplyScalar(out, a, b)

Multiply each element of the matrix by a scalar.

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to scale
b	`Number`	amount to scale the matrix's elements by

Returns

mat2d

out

# multiplyScalarAndAdd(out, a, b, scale)

Adds two mat2d's after multiplying each element of the second operand by a scalar value.

Parameters

Name	Type	Description
out	`mat2d`	the receiving vector
a	`mat2d`	the first operand
b	`mat2d`	the second operand
scale	`Number`	the amount to scale b's elements by before adding

Returns

mat2d

out

# exactEquals(a, b)

Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`mat2d`	The first matrix.
b	`mat2d`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# equals(a, b)

Returns whether or not the matrices have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`mat2d`	The first matrix.
b	`mat2d`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# create()

Creates a new identity mat3

Returns

mat3

a new 3x3 matrix

# fromMat4(out, a)

Copies the upper-left 3x3 values into the given mat3.

Parameters

Name	Type	Description
out	`mat3`	the receiving 3x3 matrix
a	`mat4`	the source 4x4 matrix

Returns

mat3

out

# clone(a)

Creates a new mat3 initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat3`	matrix to clone

Returns

mat3

a new 3x3 matrix

# copy(out, a)

Copy the values from one mat3 to another

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the source matrix

Returns

mat3

out

# fromValues(m00, m01, m02, m10, m11, m12, m20, m21, m22)

Create a new mat3 with the given values

Parameters

Name	Type	Description
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m02	`Number`	Component in column 0, row 2 position (index 2)
m10	`Number`	Component in column 1, row 0 position (index 3)
m11	`Number`	Component in column 1, row 1 position (index 4)
m12	`Number`	Component in column 1, row 2 position (index 5)
m20	`Number`	Component in column 2, row 0 position (index 6)
m21	`Number`	Component in column 2, row 1 position (index 7)
m22	`Number`	Component in column 2, row 2 position (index 8)

Returns

mat3

A new mat3

# set(out, m00, m01, m02, m10, m11, m12, m20, m21, m22)

Set the components of a mat3 to the given values

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m02	`Number`	Component in column 0, row 2 position (index 2)
m10	`Number`	Component in column 1, row 0 position (index 3)
m11	`Number`	Component in column 1, row 1 position (index 4)
m12	`Number`	Component in column 1, row 2 position (index 5)
m20	`Number`	Component in column 2, row 0 position (index 6)
m21	`Number`	Component in column 2, row 1 position (index 7)
m22	`Number`	Component in column 2, row 2 position (index 8)

Returns

mat3

out

# identity(out)

Set a mat3 to the identity matrix

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix

Returns

mat3

out

# transpose(out, a)

Transpose the values of a mat3

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the source matrix

Returns

mat3

out

# invert(out, a)

Inverts a mat3

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the source matrix

Returns

mat3

out

# adjoint(out, a)

Calculates the adjugate of a mat3

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the source matrix

Returns

mat3

out

# determinant(a)

Calculates the determinant of a mat3

Parameters

Name	Type	Description
a	`mat3`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat3's

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the first operand
b	`mat3`	the second operand

Returns

mat3

out

# translate(out, a, v)

Translate a mat3 by the given vector

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the matrix to translate
v	`vec2`	vector to translate by

Returns

mat3

out

# rotate(out, a, rad)

Rotates a mat3 by the given angle

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat3

out

# scale(out, a, v)

Scales the mat3 by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the matrix to rotate
v	`vec2`	the vec2 to scale the matrix by

Returns

mat3

out

# fromTranslation(out, v)

Creates a matrix from a vector translation This is equivalent to (but much faster than):

mat3.identity(dest);
mat3.translate(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat3`	mat3 receiving operation result
v	`vec2`	Translation vector

Returns

mat3

out

# fromRotation(out, rad)

Creates a matrix from a given angle This is equivalent to (but much faster than):

mat3.identity(dest);
mat3.rotate(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat3`	mat3 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat3

out

# fromScaling(out, v)

Creates a matrix from a vector scaling This is equivalent to (but much faster than):

mat3.identity(dest);
mat3.scale(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat3`	mat3 receiving operation result
v	`vec2`	Scaling vector

Returns

mat3

out

# fromMat2d(out, a)

Copies the values from a mat2d into a mat3

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat2d`	the matrix to copy

Returns

mat3

out

# fromQuat(out, q)

Calculates a 3x3 matrix from the given quaternion

Parameters

Name	Type	Description
out	`mat3`	mat3 receiving operation result
q	`quat`	Quaternion to create matrix from

Returns

mat3

out

# normalFromMat4(out, a)

Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix

Parameters

Name	Type	Description
out	`mat3`	mat3 receiving operation result
a	`mat4`	Mat4 to derive the normal matrix from

Returns

mat3

out

# projection(out, width, height)

Generates a 2D projection matrix with the given bounds

Parameters

Name	Type	Description
out	`mat3`	mat3 frustum matrix will be written into
width	`number`	Width of your gl context
height	`number`	Height of gl context

Returns

mat3

out

# str(a)

Returns a string representation of a mat3

Parameters

Name	Type	Description
a	`mat3`	matrix to represent as a string

Returns

String

string representation of the matrix

# frob(a)

Returns Frobenius norm of a mat3

Parameters

Name	Type	Description
a	`mat3`	the matrix to calculate Frobenius norm of

Returns

Number

Frobenius norm

# add(out, a, b)

Adds two mat3's

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the first operand
b	`mat3`	the second operand

Returns

mat3

out

# subtract(out, a, b)

Subtracts matrix b from matrix a

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the first operand
b	`mat3`	the second operand

Returns

mat3

out

# multiplyScalar(out, a, b)

Multiply each element of the matrix by a scalar.

Parameters

Name	Type	Description
out	`mat3`	the receiving matrix
a	`mat3`	the matrix to scale
b	`Number`	amount to scale the matrix's elements by

Returns

mat3

out

# multiplyScalarAndAdd(out, a, b, scale)

Adds two mat3's after multiplying each element of the second operand by a scalar value.

Parameters

Name	Type	Description
out	`mat3`	the receiving vector
a	`mat3`	the first operand
b	`mat3`	the second operand
scale	`Number`	the amount to scale b's elements by before adding

Returns

mat3

out

# exactEquals(a, b)

Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`mat3`	The first matrix.
b	`mat3`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# equals(a, b)

Returns whether or not the matrices have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`mat3`	The first matrix.
b	`mat3`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# create()

Creates a new identity mat4

Returns

mat4

a new 4x4 matrix

# clone(a)

Creates a new mat4 initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat4`	matrix to clone

Returns

mat4

a new 4x4 matrix

# copy(out, a)

Copy the values from one mat4 to another

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the source matrix

Returns

mat4

out

# fromValues(m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33)

Create a new mat4 with the given values

Parameters

Name	Type	Description
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m02	`Number`	Component in column 0, row 2 position (index 2)
m03	`Number`	Component in column 0, row 3 position (index 3)
m10	`Number`	Component in column 1, row 0 position (index 4)
m11	`Number`	Component in column 1, row 1 position (index 5)
m12	`Number`	Component in column 1, row 2 position (index 6)
m13	`Number`	Component in column 1, row 3 position (index 7)
m20	`Number`	Component in column 2, row 0 position (index 8)
m21	`Number`	Component in column 2, row 1 position (index 9)
m22	`Number`	Component in column 2, row 2 position (index 10)
m23	`Number`	Component in column 2, row 3 position (index 11)
m30	`Number`	Component in column 3, row 0 position (index 12)
m31	`Number`	Component in column 3, row 1 position (index 13)
m32	`Number`	Component in column 3, row 2 position (index 14)
m33	`Number`	Component in column 3, row 3 position (index 15)

Returns

mat4

A new mat4

# set(out, m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33)

Set the components of a mat4 to the given values

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m02	`Number`	Component in column 0, row 2 position (index 2)
m03	`Number`	Component in column 0, row 3 position (index 3)
m10	`Number`	Component in column 1, row 0 position (index 4)
m11	`Number`	Component in column 1, row 1 position (index 5)
m12	`Number`	Component in column 1, row 2 position (index 6)
m13	`Number`	Component in column 1, row 3 position (index 7)
m20	`Number`	Component in column 2, row 0 position (index 8)
m21	`Number`	Component in column 2, row 1 position (index 9)
m22	`Number`	Component in column 2, row 2 position (index 10)
m23	`Number`	Component in column 2, row 3 position (index 11)
m30	`Number`	Component in column 3, row 0 position (index 12)
m31	`Number`	Component in column 3, row 1 position (index 13)
m32	`Number`	Component in column 3, row 2 position (index 14)
m33	`Number`	Component in column 3, row 3 position (index 15)

Returns

mat4

out

# identity(out)

Set a mat4 to the identity matrix

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix

Returns

mat4

out

# transpose(out, a)

Transpose the values of a mat4

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the source matrix

Returns

mat4

out

# invert(out, a)

Inverts a mat4

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the source matrix

Returns

mat4

out

# adjoint(out, a)

Calculates the adjugate of a mat4

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the source matrix

Returns

mat4

out

# determinant(a)

Calculates the determinant of a mat4

Parameters

Name	Type	Description
a	`mat4`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat4s

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the first operand
b	`mat4`	the second operand

Returns

mat4

out

# translate(out, a, v)

Translate a mat4 by the given vector

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to translate
v	`vec3`	vector to translate by

Returns

mat4

out

# scale(out, a, v)

Scales the mat4 by the dimensions in the given vec3 not using vectorization

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to scale
v	`vec3`	the vec3 to scale the matrix by

Returns

mat4

out

# rotate(out, a, rad, axis)

Rotates a mat4 by the given angle around the given axis

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by
axis	`vec3`	the axis to rotate around

Returns

mat4

out

# rotateX(out, a, rad)

Rotates a matrix by the given angle around the X axis

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# rotateY(out, a, rad)

Rotates a matrix by the given angle around the Y axis

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# rotateZ(out, a, rad)

Rotates a matrix by the given angle around the Z axis

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# fromTranslation(out, v)

Creates a matrix from a vector translation This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.translate(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
v	`vec3`	Translation vector

Returns

mat4

out

# fromScaling(out, v)

Creates a matrix from a vector scaling This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.scale(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
v	`vec3`	Scaling vector

Returns

mat4

out

# fromRotation(out, rad, axis)

Creates a matrix from a given angle around a given axis This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.rotate(dest, dest, rad, axis);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
rad	`Number`	the angle to rotate the matrix by
axis	`vec3`	the axis to rotate around

Returns

mat4

out

# fromXRotation(out, rad)

Creates a matrix from the given angle around the X axis This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.rotateX(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# fromYRotation(out, rad)

Creates a matrix from the given angle around the Y axis This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.rotateY(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# fromZRotation(out, rad)

Creates a matrix from the given angle around the Z axis This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.rotateZ(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat4

out

# fromRotationTranslation(out, q, v)

Creates a matrix from a quaternion rotation and vector translation This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.translate(dest, vec);
let quatMat = mat4.create();
quat4.toMat4(quat, quatMat);
mat4.multiply(dest, quatMat);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
q	`quat4`	Rotation quaternion
v	`vec3`	Translation vector

Returns

mat4

out

# fromQuat2(out, a)

Creates a new mat4 from a dual quat.

Parameters

Name	Type	Description
out	`mat4`	Matrix
a	`quat2`	Dual Quaternion

Returns

mat4

mat4 receiving operation result

# getTranslation(out, mat)

Returns the translation vector component of a transformation matrix. If a matrix is built with fromRotationTranslation, the returned vector will be the same as the translation vector originally supplied.

Parameters

Name	Type	Description
out	`vec3`	Vector to receive translation component
mat	`mat4`	Matrix to be decomposed (input)

Returns

vec3

out

# getScaling(out, mat)

Returns the scaling factor component of a transformation matrix. If a matrix is built with fromRotationTranslationScale with a normalized Quaternion paramter, the returned vector will be the same as the scaling vector originally supplied.

Parameters

Name	Type	Description
out	`vec3`	Vector to receive scaling factor component
mat	`mat4`	Matrix to be decomposed (input)

Returns

vec3

out

# getRotation(out, mat)

Returns a quaternion representing the rotational component of a transformation matrix. If a matrix is built with fromRotationTranslation, the returned quaternion will be the same as the quaternion originally supplied.

Parameters

Name	Type	Description
out	`quat`	Quaternion to receive the rotation component
mat	`mat4`	Matrix to be decomposed (input)

Returns

quat

out

# fromRotationTranslationScale(out, q, v, s)

Creates a matrix from a quaternion rotation, vector translation and vector scale This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.translate(dest, vec);
let quatMat = mat4.create();
quat4.toMat4(quat, quatMat);
mat4.multiply(dest, quatMat);
mat4.scale(dest, scale)

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
q	`quat4`	Rotation quaternion
v	`vec3`	Translation vector
s	`vec3`	Scaling vector

Returns

mat4

out

# fromRotationTranslationScaleOrigin(out, q, v, s, o)

Creates a matrix from a quaternion rotation, vector translation and vector scale, rotating and scaling around the given origin This is equivalent to (but much faster than):

mat4.identity(dest);
mat4.translate(dest, vec);
mat4.translate(dest, origin);
let quatMat = mat4.create();
quat4.toMat4(quat, quatMat);
mat4.multiply(dest, quatMat);
mat4.scale(dest, scale)
mat4.translate(dest, negativeOrigin);

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
q	`quat4`	Rotation quaternion
v	`vec3`	Translation vector
s	`vec3`	Scaling vector
o	`vec3`	The origin vector around which to scale and rotate

Returns

mat4

out

# fromQuat(out, q)

Calculates a 4x4 matrix from the given quaternion

Parameters

Name	Type	Description
out	`mat4`	mat4 receiving operation result
q	`quat`	Quaternion to create matrix from

Returns

mat4

out

# frustum(out, left, right, bottom, top, near, far)

Generates a frustum matrix with the given bounds

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
left	`Number`	Left bound of the frustum
right	`Number`	Right bound of the frustum
bottom	`Number`	Bottom bound of the frustum
top	`Number`	Top bound of the frustum
near	`Number`	Near bound of the frustum
far	`Number`	Far bound of the frustum

Returns

mat4

out

# perspective(out, fovy, aspect, near, far)

Generates a perspective projection matrix with the given bounds. Passing null/undefined/no value for far will generate infinite projection matrix.

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
fovy	`number`	Vertical field of view in radians
aspect	`number`	Aspect ratio. typically viewport width/height
near	`number`	Near bound of the frustum
far	`number`	Far bound of the frustum, can be null or Infinity

Returns

mat4

out

# perspectiveFromFieldOfView(out, fov, near, far)

Generates a perspective projection matrix with the given field of view. This is primarily useful for generating projection matrices to be used with the still experiemental WebVR API.

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
fov	`Object`	Object containing the following values: upDegrees, downDegrees, leftDegrees, rightDegrees
near	`number`	Near bound of the frustum
far	`number`	Far bound of the frustum

Returns

mat4

out

# ortho(out, left, right, bottom, top, near, far)

Generates a orthogonal projection matrix with the given bounds

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
left	`number`	Left bound of the frustum
right	`number`	Right bound of the frustum
bottom	`number`	Bottom bound of the frustum
top	`number`	Top bound of the frustum
near	`number`	Near bound of the frustum
far	`number`	Far bound of the frustum

Returns

mat4

out

# lookAt(out, eye, center, up)

Generates a look-at matrix with the given eye position, focal point, and up axis. If you want a matrix that actually makes an object look at another object, you should use targetTo instead.

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
eye	`vec3`	Position of the viewer
center	`vec3`	Point the viewer is looking at
up	`vec3`	vec3 pointing up

Returns

mat4

out

# targetTo(out, eye, center, up)

Generates a matrix that makes something look at something else.

Parameters

Name	Type	Description
out	`mat4`	mat4 frustum matrix will be written into
eye	`vec3`	Position of the viewer
center	`vec3`	Point the viewer is looking at
up	`vec3`	vec3 pointing up

Returns

mat4

out

# str(a)

Returns a string representation of a mat4

Parameters

Name	Type	Description
a	`mat4`	matrix to represent as a string

Returns

String

string representation of the matrix

# frob(a)

Returns Frobenius norm of a mat4

Parameters

Name	Type	Description
a	`mat4`	the matrix to calculate Frobenius norm of

Returns

Number

Frobenius norm

# add(out, a, b)

Adds two mat4's

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the first operand
b	`mat4`	the second operand

Returns

mat4

out

# subtract(out, a, b)

Subtracts matrix b from matrix a

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the first operand
b	`mat4`	the second operand

Returns

mat4

out

# multiplyScalar(out, a, b)

Multiply each element of the matrix by a scalar.

Parameters

Name	Type	Description
out	`mat4`	the receiving matrix
a	`mat4`	the matrix to scale
b	`Number`	amount to scale the matrix's elements by

Returns

mat4

out

# multiplyScalarAndAdd(out, a, b, scale)

Adds two mat4's after multiplying each element of the second operand by a scalar value.

Parameters

Name	Type	Description
out	`mat4`	the receiving vector
a	`mat4`	the first operand
b	`mat4`	the second operand
scale	`Number`	the amount to scale b's elements by before adding

Returns

mat4

out

# exactEquals(a, b)

Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`mat4`	The first matrix.
b	`mat4`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# equals(a, b)

Returns whether or not the matrices have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`mat4`	The first matrix.
b	`mat4`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# create()

Creates a new identity quat

Returns

quat

a new quaternion

# identity(out)

Set a quat to the identity quaternion

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion

Returns

quat

out

# setAxisAngle(out, axis, rad)

Sets a quat from the given angle and rotation axis, then returns it.

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
axis	`vec3`	the axis around which to rotate
rad	`Number`	the angle in radians

Returns

quat

out

# getAxisAngle(out_axis, q)

Gets the rotation axis and angle for a given quaternion. If a quaternion is created with setAxisAngle, this method will return the same values as providied in the original parameter list OR functionally equivalent values. Example: The quaternion formed by axis [0, 0, 1] and angle -90 is the same as the quaternion formed by [0, 0, 1] and 270. This method favors the latter.

Parameters

Name	Type	Description
out_axis	`vec3`	Vector receiving the axis of rotation
q	`quat`	Quaternion to be decomposed

Returns

Number

Angle, in radians, of the rotation

# multiply(out, a, b)

Multiplies two quat's

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
a	`quat`	the first operand
b	`quat`	the second operand

Returns

quat

out

# rotateX(out, a, rad)

Rotates a quaternion by the given angle about the X axis

Parameters

Name	Type	Description
out	`quat`	quat receiving operation result
a	`quat`	quat to rotate
rad	`number`	angle (in radians) to rotate

Returns

quat

out

# rotateY(out, a, rad)

Rotates a quaternion by the given angle about the Y axis

Parameters

Name	Type	Description
out	`quat`	quat receiving operation result
a	`quat`	quat to rotate
rad	`number`	angle (in radians) to rotate

Returns

quat

out

# rotateZ(out, a, rad)

Rotates a quaternion by the given angle about the Z axis

Parameters

Name	Type	Description
out	`quat`	quat receiving operation result
a	`quat`	quat to rotate
rad	`number`	angle (in radians) to rotate

Returns

quat

out

# calculateW(out, a)

Calculates the W component of a quat from the X, Y, and Z components. Assumes that quaternion is 1 unit in length. Any existing W component will be ignored.

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
a	`quat`	quat to calculate W component of

Returns

quat

out

# slerp(out, a, b, t)

Performs a spherical linear interpolation between two quat

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
a	`quat`	the first operand
b	`quat`	the second operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

quat

out

# random(out)

Generates a random quaternion

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion

Returns

quat

out

# invert(out, a)

Calculates the inverse of a quat

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
a	`quat`	quat to calculate inverse of

Returns

quat

out

# conjugate(out, a)

Calculates the conjugate of a quat If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
a	`quat`	quat to calculate conjugate of

Returns

quat

out

# fromMat3(out, m)

Creates a quaternion from the given 3x3 rotation matrix.

NOTE: The resultant quaternion is not normalized, so you should be sure to renormalize the quaternion yourself where necessary.

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
m	`mat3`	rotation matrix

Returns

quat

out

# fromEuler(out, Angle, Angle, Angle)

Creates a quaternion from the given euler angle x, y, z.

Parameters

Name	Type	Description
out	`quat`	the receiving quaternion
Angle	`x`	to rotate around X axis in degrees.
Angle	`y`	to rotate around Y axis in degrees.
Angle	`z`	to rotate around Z axis in degrees.

Returns

quat

out

# str(a)

Returns a string representation of a quatenion

Parameters

Name	Type	Description
a	`quat`	vector to represent as a string

Returns

String

string representation of the vector

# create()

Creates a new identity dual quat

Returns

quat2

a new dual quaternion [real -> rotation, dual -> translation]

# clone(a)

Creates a new quat initialized with values from an existing quaternion

Parameters

Name	Type	Description
a	`quat2`	dual quaternion to clone

Returns

quat2

new dual quaternion

# fromValues(x1, y1, z1, w1, x2, y2, z2, w2)

Creates a new dual quat initialized with the given values

Parameters

Name	Type	Description
x1	`Number`	X component
y1	`Number`	Y component
z1	`Number`	Z component
w1	`Number`	W component
x2	`Number`	X component
y2	`Number`	Y component
z2	`Number`	Z component
w2	`Number`	W component

Returns

quat2

new dual quaternion

# fromRotationTranslationValues(x1, y1, z1, w1, x2, y2, z2)

Creates a new dual quat from the given values (quat and translation)

Parameters

Name	Type	Description
x1	`Number`	X component
y1	`Number`	Y component
z1	`Number`	Z component
w1	`Number`	W component
x2	`Number`	X component (translation)
y2	`Number`	Y component (translation)
z2	`Number`	Z component (translation)

Returns

quat2

new dual quaternion

# fromRotationTranslation(dual, q, t)

Creates a dual quat from a quaternion and a translation

Parameters

Name	Type	Description
dual	`quat2`	quaternion receiving operation result
q	`quat`	quaternion
t	`vec3`	tranlation vector

Returns

quat2

dual quaternion receiving operation result

# fromTranslation(dual, t)

Creates a dual quat from a translation

Parameters

Name	Type	Description
dual	`quat2`	quaternion receiving operation result
t	`vec3`	translation vector

Returns

quat2

dual quaternion receiving operation result

# fromRotation(dual, q)

Creates a dual quat from a quaternion

Parameters

Name	Type	Description
dual	`quat2`	quaternion receiving operation result
q	`quat`	the quaternion

Returns

quat2

dual quaternion receiving operation result

# fromMat4(out, a)

Creates a new dual quat from a matrix (4x4)

Parameters

Name	Type	Description
out	`quat2`	the dual quaternion
a	`mat4`	the matrix

Returns

quat2

dual quat receiving operation result

# copy(out, a)

Copy the values from one dual quat to another

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the source dual quaternion

Returns

quat2

out

# identity(out)

Set a dual quat to the identity dual quaternion

Parameters

Name	Type	Description
out	`quat2`	the receiving quaternion

Returns

quat2

out

# set(out, x1, y1, z1, w1, x2, y2, z2, w2)

Set the components of a dual quat to the given values

Parameters

Name	Type	Description
out	`quat2`	the receiving quaternion
x1	`Number`	X component
y1	`Number`	Y component
z1	`Number`	Z component
w1	`Number`	W component
x2	`Number`	X component
y2	`Number`	Y component
z2	`Number`	Z component
w2	`Number`	W component

Returns

quat2

out

# getDual(out, a)

Gets the dual part of a dual quat

Parameters

Name	Type	Description
out	`quat`	dual part
a	`quat2`	Dual Quaternion

Returns

quat

dual part

# setDual(out, q)

Set the dual component of a dual quat to the given quaternion

Parameters

Name	Type	Description
out	`quat2`	the receiving quaternion
q	`quat`	a quaternion representing the dual part

Returns

quat2

out

# getTranslation(out, a)

Gets the translation of a normalized dual quat

Parameters

Name	Type	Description
out	`vec3`	translation
a	`quat2`	Dual Quaternion to be decomposed

Returns

vec3

translation

# translate(out, a, v)

Translates a dual quat by the given vector

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to translate
v	`vec3`	vector to translate by

Returns

quat2

out

# rotateX(out, a, rad)

Rotates a dual quat around the X axis

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to rotate
rad	`number`	how far should the rotation be

Returns

quat2

out

# rotateY(out, a, rad)

Rotates a dual quat around the Y axis

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to rotate
rad	`number`	how far should the rotation be

Returns

quat2

out

# rotateZ(out, a, rad)

Rotates a dual quat around the Z axis

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to rotate
rad	`number`	how far should the rotation be

Returns

quat2

out

# rotateByQuatAppend(out, a, q)

Rotates a dual quat by a given quaternion (a * q)

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to rotate
q	`quat`	quaternion to rotate by

Returns

quat2

out

# rotateByQuatPrepend(out, q, a)

Rotates a dual quat by a given quaternion (q * a)

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
q	`quat`	quaternion to rotate by
a	`quat2`	the dual quaternion to rotate

Returns

quat2

out

# rotateAroundAxis(out, a, axis, rad)

Rotates a dual quat around a given axis. Does the normalisation automatically

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the dual quaternion to rotate
axis	`vec3`	the axis to rotate around
rad	`Number`	how far the rotation should be

Returns

quat2

out

# add(out, a, b)

Adds two dual quat's

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the first operand
b	`quat2`	the second operand

Returns

quat2

out

# multiply(out, a, b)

Multiplies two dual quat's

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	the first operand
b	`quat2`	the second operand

Returns

quat2

out

# scale(out, a, b)

Scales a dual quat by a scalar number

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quat
a	`quat2`	the dual quat to scale
b	`Number`	amount to scale the dual quat by

Returns

quat2

out

# lerp(out, a, b, t)

Performs a linear interpolation between two dual quats's NOTE: The resulting dual quaternions won't always be normalized (The error is most noticeable when t = 0.5)

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quat
a	`quat2`	the first operand
b	`quat2`	the second operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

quat2

out

# invert(out, a)

Calculates the inverse of a dual quat. If they are normalized, conjugate is cheaper

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	dual quat to calculate inverse of

Returns

quat2

out

# conjugate(out, a)

Calculates the conjugate of a dual quat If the dual quaternion is normalized, this function is faster than quat2.inverse and produces the same result.

Parameters

Name	Type	Description
out	`quat2`	the receiving quaternion
a	`quat2`	quat to calculate conjugate of

Returns

quat2

out

# normalize(out, a)

Normalize a dual quat

Parameters

Name	Type	Description
out	`quat2`	the receiving dual quaternion
a	`quat2`	dual quaternion to normalize

Returns

quat2

out

# str(a)

Returns a string representation of a dual quatenion

Parameters

Name	Type	Description
a	`quat2`	dual quaternion to represent as a string

Returns

String

string representation of the dual quat

# exactEquals(a, b)

Returns whether or not the dual quaternions have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`quat2`	the first dual quaternion.
b	`quat2`	the second dual quaternion.

Returns

Boolean

true if the dual quaternions are equal, false otherwise.

# equals(a, b)

Returns whether or not the dual quaternions have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`quat2`	the first dual quat.
b	`quat2`	the second dual quat.

Returns

Boolean

true if the dual quats are equal, false otherwise.

# create()

Creates a new, empty vec2

Returns

vec2

a new 2D vector

# clone(a)

Creates a new vec2 initialized with values from an existing vector

Parameters

Name	Type	Description
a	`vec2`	vector to clone

Returns

vec2

a new 2D vector

# fromValues(x, y)

Creates a new vec2 initialized with the given values

Parameters

Name	Type	Description
x	`Number`	X component
y	`Number`	Y component

Returns

vec2

a new 2D vector

# copy(out, a)

Copy the values from one vec2 to another

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the source vector

Returns

vec2

out

# set(out, x, y)

Set the components of a vec2 to the given values

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
x	`Number`	X component
y	`Number`	Y component

Returns

vec2

out

# add(out, a, b)

Adds two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# subtract(out, a, b)

Subtracts vector b from vector a

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# multiply(out, a, b)

Multiplies two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# divide(out, a, b)

Divides two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# ceil(out, a)

Math.ceil the components of a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to ceil

Returns

vec2

out

# floor(out, a)

Math.floor the components of a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to floor

Returns

vec2

out

# min(out, a, b)

Returns the minimum of two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# max(out, a, b)

Returns the maximum of two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec2

out

# round(out, a)

Math.round the components of a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to round

Returns

vec2

out

# scale(out, a, b)

Scales a vec2 by a scalar number

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the vector to scale
b	`Number`	amount to scale the vector by

Returns

vec2

out

# scaleAndAdd(out, a, b, scale)

Adds two vec2's after scaling the second operand by a scalar value

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand
scale	`Number`	the amount to scale b by before adding

Returns

vec2

out

# distance(a, b)

Calculates the euclidian distance between two vec2's

Parameters

Name	Type	Description
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

Number

distance between a and b

# squaredDistance(a, b)

Calculates the squared euclidian distance between two vec2's

Parameters

Name	Type	Description
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

Number

squared distance between a and b

# length(a)

Calculates the length of a vec2

Parameters

Name	Type	Description
a	`vec2`	vector to calculate length of

Returns

Number

length of a

# squaredLength(a)

Calculates the squared length of a vec2

Parameters

Name	Type	Description
a	`vec2`	vector to calculate squared length of

Returns

Number

squared length of a

# negate(out, a)

Negates the components of a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to negate

Returns

vec2

out

# inverse(out, a)

Returns the inverse of the components of a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to invert

Returns

vec2

out

# normalize(out, a)

Normalize a vec2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	vector to normalize

Returns

vec2

out

# dot(a, b)

Calculates the dot product of two vec2's

Parameters

Name	Type	Description
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

Number

dot product of a and b

# cross(out, a, b)

Computes the cross product of two vec2's Note that the cross product must by definition produce a 3D vector

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand

Returns

vec3

out

# lerp(out, a, b, t)

Performs a linear interpolation between two vec2's

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the first operand
b	`vec2`	the second operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

vec2

out

# random(out[, scale])

Generates a random vector with the given scale

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
scale	`Number`	Length of the resulting vector. If ommitted, a unit vector will be returned	Optional

Returns

vec2

out

# transformMat2(out, a, m)

Transforms the vec2 with a mat2

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the vector to transform
m	`mat2`	matrix to transform with

Returns

vec2

out

# transformMat2d(out, a, m)

Transforms the vec2 with a mat2d

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the vector to transform
m	`mat2d`	matrix to transform with

Returns

vec2

out

# transformMat3(out, a, m)

Transforms the vec2 with a mat3 3rd vector component is implicitly '1'

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the vector to transform
m	`mat3`	matrix to transform with

Returns

vec2

out

# transformMat4(out, a, m)

Transforms the vec2 with a mat4 3rd vector component is implicitly '0' 4th vector component is implicitly '1'

Parameters

Name	Type	Description
out	`vec2`	the receiving vector
a	`vec2`	the vector to transform
m	`mat4`	matrix to transform with

Returns

vec2

out

# rotate(out, a, b, c)

Rotate a 2D vector

Parameters

Name	Type	Description
out	`vec2`	The receiving vec2
a	`vec2`	The vec2 point to rotate
b	`vec2`	The origin of the rotation
c	`Number`	The angle of rotation

Returns

vec2

out

# angle(a, b)

Get the angle between two 2D vectors

Parameters

Name	Type	Description
a	`vec2`	The first operand
b	`vec2`	The second operand

Returns

Number

The angle in radians

# str(a)

Returns a string representation of a vector

Parameters

Name	Type	Description
a	`vec2`	vector to represent as a string

Returns

String

string representation of the vector

# exactEquals(a, b)

Returns whether or not the vectors exactly have the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`vec2`	The first vector.
b	`vec2`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# equals(a, b)

Returns whether or not the vectors have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`vec2`	The first vector.
b	`vec2`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# create()

Creates a new, empty vec3

Returns

vec3

a new 3D vector

# clone(a)

Creates a new vec3 initialized with values from an existing vector

Parameters

Name	Type	Description
a	`vec3`	vector to clone

Returns

vec3

a new 3D vector

# length(a)

Calculates the length of a vec3

Parameters

Name	Type	Description
a	`vec3`	vector to calculate length of

Returns

Number

length of a

# fromValues(x, y, z)

Creates a new vec3 initialized with the given values

Parameters

Name	Type	Description
x	`Number`	X component
y	`Number`	Y component
z	`Number`	Z component

Returns

vec3

a new 3D vector

# copy(out, a)

Copy the values from one vec3 to another

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the source vector

Returns

vec3

out

# set(out, x, y, z)

Set the components of a vec3 to the given values

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
x	`Number`	X component
y	`Number`	Y component
z	`Number`	Z component

Returns

vec3

out

# add(out, a, b)

Adds two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# subtract(out, a, b)

Subtracts vector b from vector a

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# multiply(out, a, b)

Multiplies two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# divide(out, a, b)

Divides two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# ceil(out, a)

Math.ceil the components of a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to ceil

Returns

vec3

out

# floor(out, a)

Math.floor the components of a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to floor

Returns

vec3

out

# min(out, a, b)

Returns the minimum of two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# max(out, a, b)

Returns the maximum of two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# round(out, a)

Math.round the components of a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to round

Returns

vec3

out

# scale(out, a, b)

Scales a vec3 by a scalar number

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the vector to scale
b	`Number`	amount to scale the vector by

Returns

vec3

out

# scaleAndAdd(out, a, b, scale)

Adds two vec3's after scaling the second operand by a scalar value

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand
scale	`Number`	the amount to scale b by before adding

Returns

vec3

out

# distance(a, b)

Calculates the euclidian distance between two vec3's

Parameters

Name	Type	Description
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

Number

distance between a and b

# squaredDistance(a, b)

Calculates the squared euclidian distance between two vec3's

Parameters

Name	Type	Description
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

Number

squared distance between a and b

# squaredLength(a)

Calculates the squared length of a vec3

Parameters

Name	Type	Description
a	`vec3`	vector to calculate squared length of

Returns

Number

squared length of a

# negate(out, a)

Negates the components of a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to negate

Returns

vec3

out

# inverse(out, a)

Returns the inverse of the components of a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to invert

Returns

vec3

out

# normalize(out, a)

Normalize a vec3

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	vector to normalize

Returns

vec3

out

# dot(a, b)

Calculates the dot product of two vec3's

Parameters

Name	Type	Description
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

Number

dot product of a and b

# cross(out, a, b)

Computes the cross product of two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand

Returns

vec3

out

# lerp(out, a, b, t)

Performs a linear interpolation between two vec3's

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

vec3

out

# hermite(out, a, b, c, d, t)

Performs a hermite interpolation with two control points

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand
c	`vec3`	the third operand
d	`vec3`	the fourth operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

vec3

out

# bezier(out, a, b, c, d, t)

Performs a bezier interpolation with two control points

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the first operand
b	`vec3`	the second operand
c	`vec3`	the third operand
d	`vec3`	the fourth operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

vec3

out

# random(out[, scale])

Generates a random vector with the given scale

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
scale	`Number`	Length of the resulting vector. If ommitted, a unit vector will be returned	Optional

Returns

vec3

out

# transformMat4(out, a, m)

Transforms the vec3 with a mat4. 4th vector component is implicitly '1'

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the vector to transform
m	`mat4`	matrix to transform with

Returns

vec3

out

# transformMat3(out, a, m)

Transforms the vec3 with a mat3.

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the vector to transform
m	`mat3`	the 3x3 matrix to transform with

Returns

vec3

out

# transformQuat(out, a, q)

Transforms the vec3 with a quat Can also be used for dual quaternions. (Multiply it with the real part)

Parameters

Name	Type	Description
out	`vec3`	the receiving vector
a	`vec3`	the vector to transform
q	`quat`	quaternion to transform with

Returns

vec3

out

# rotateX(out, a, b, c)

Rotate a 3D vector around the x-axis

Parameters

Name	Type	Description
out	`vec3`	The receiving vec3
a	`vec3`	The vec3 point to rotate
b	`vec3`	The origin of the rotation
c	`Number`	The angle of rotation

Returns

vec3

out

# rotateY(out, a, b, c)

Rotate a 3D vector around the y-axis

Parameters

Name	Type	Description
out	`vec3`	The receiving vec3
a	`vec3`	The vec3 point to rotate
b	`vec3`	The origin of the rotation
c	`Number`	The angle of rotation

Returns

vec3

out

# rotateZ(out, a, b, c)

Rotate a 3D vector around the z-axis

Parameters

Name	Type	Description
out	`vec3`	The receiving vec3
a	`vec3`	The vec3 point to rotate
b	`vec3`	The origin of the rotation
c	`Number`	The angle of rotation

Returns

vec3

out

# angle(a, b)

Get the angle between two 3D vectors

Parameters

Name	Type	Description
a	`vec3`	The first operand
b	`vec3`	The second operand

Returns

Number

The angle in radians

# str(a)

Returns a string representation of a vector

Parameters

Name	Type	Description
a	`vec3`	vector to represent as a string

Returns

String

string representation of the vector

# exactEquals(a, b)

Returns whether or not the vectors have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`vec3`	The first vector.
b	`vec3`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# equals(a, b)

Returns whether or not the vectors have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`vec3`	The first vector.
b	`vec3`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# create()

Creates a new, empty vec4

Returns

vec4

a new 4D vector

# clone(a)

Creates a new vec4 initialized with values from an existing vector

Parameters

Name	Type	Description
a	`vec4`	vector to clone

Returns

vec4

a new 4D vector

# fromValues(x, y, z, w)

Creates a new vec4 initialized with the given values

Parameters

Name	Type	Description
x	`Number`	X component
y	`Number`	Y component
z	`Number`	Z component
w	`Number`	W component

Returns

vec4

a new 4D vector

# copy(out, a)

Copy the values from one vec4 to another

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the source vector

Returns

vec4

out

# set(out, x, y, z, w)

Set the components of a vec4 to the given values

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
x	`Number`	X component
y	`Number`	Y component
z	`Number`	Z component
w	`Number`	W component

Returns

vec4

out

# add(out, a, b)

Adds two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# subtract(out, a, b)

Subtracts vector b from vector a

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# multiply(out, a, b)

Multiplies two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# divide(out, a, b)

Divides two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# ceil(out, a)

Math.ceil the components of a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to ceil

Returns

vec4

out

# floor(out, a)

Math.floor the components of a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to floor

Returns

vec4

out

# min(out, a, b)

Returns the minimum of two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# max(out, a, b)

Returns the maximum of two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

vec4

out

# round(out, a)

Math.round the components of a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to round

Returns

vec4

out

# scale(out, a, b)

Scales a vec4 by a scalar number

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the vector to scale
b	`Number`	amount to scale the vector by

Returns

vec4

out

# scaleAndAdd(out, a, b, scale)

Adds two vec4's after scaling the second operand by a scalar value

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand
scale	`Number`	the amount to scale b by before adding

Returns

vec4

out

# distance(a, b)

Calculates the euclidian distance between two vec4's

Parameters

Name	Type	Description
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

Number

distance between a and b

# squaredDistance(a, b)

Calculates the squared euclidian distance between two vec4's

Parameters

Name	Type	Description
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

Number

squared distance between a and b

# length(a)

Calculates the length of a vec4

Parameters

Name	Type	Description
a	`vec4`	vector to calculate length of

Returns

Number

length of a

# squaredLength(a)

Calculates the squared length of a vec4

Parameters

Name	Type	Description
a	`vec4`	vector to calculate squared length of

Returns

Number

squared length of a

# negate(out, a)

Negates the components of a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to negate

Returns

vec4

out

# inverse(out, a)

Returns the inverse of the components of a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to invert

Returns

vec4

out

# normalize(out, a)

Normalize a vec4

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	vector to normalize

Returns

vec4

out

# dot(a, b)

Calculates the dot product of two vec4's

Parameters

Name	Type	Description
a	`vec4`	the first operand
b	`vec4`	the second operand

Returns

Number

dot product of a and b

# lerp(out, a, b, t)

Performs a linear interpolation between two vec4's

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the first operand
b	`vec4`	the second operand
t	`Number`	interpolation amount, in the range [0-1], between the two inputs

Returns

vec4

out

# random(out[, scale])

Generates a random vector with the given scale

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
scale	`Number`	Length of the resulting vector. If ommitted, a unit vector will be returned	Optional

Returns

vec4

out

# transformMat4(out, a, m)

Transforms the vec4 with a mat4.

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the vector to transform
m	`mat4`	matrix to transform with

Returns

vec4

out

# transformQuat(out, a, q)

Transforms the vec4 with a quat

Parameters

Name	Type	Description
out	`vec4`	the receiving vector
a	`vec4`	the vector to transform
q	`quat`	quaternion to transform with

Returns

vec4

out

# str(a)

Returns a string representation of a vector

Parameters

Name	Type	Description
a	`vec4`	vector to represent as a string

Returns

String

string representation of the vector

# exactEquals(a, b)

Returns whether or not the vectors have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`vec4`	The first vector.
b	`vec4`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# equals(a, b)

Returns whether or not the vectors have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`vec4`	The first vector.
b	`vec4`	The second vector.

Returns

Boolean

True if the vectors are equal, false otherwise.

# setMatrixArrayType(type)

Sets the type of array used when creating new vectors and matrices

Parameters

Name	Type	Description
type	`Type`	Array type, such as Float32Array or Array

Returns

Void

# toRadian(a)

Convert Degree To Radian

Parameters

Name	Type	Description
a	`Number`	Angle in Degrees

Returns

Void

# equals(a, b)

Tests whether or not the arguments have approximately the same value, within an absolute or relative tolerance of glMatrix.EPSILON (an absolute tolerance is used for values less than or equal to 1.0, and a relative tolerance is used for larger values)

Parameters

Name	Type	Description
a	`Number`	The first number to test.
b	`Number`	The second number to test.

Returns

Boolean

True if the numbers are approximately equal, false otherwise.

# create()

Creates a new identity mat2

Returns

mat2

a new 2x2 matrix

# clone(a)

Creates a new mat2 initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat2`	matrix to clone

Returns

mat2

a new 2x2 matrix

# copy(out, a)

Copy the values from one mat2 to another

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# identity(out)

Set a mat2 to the identity matrix

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix

Returns

mat2

out

# fromValues(m00, m01, m10, m11)

Create a new mat2 with the given values

Parameters

Name	Type	Description
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m10	`Number`	Component in column 1, row 0 position (index 2)
m11	`Number`	Component in column 1, row 1 position (index 3)

Returns

mat2

out A new 2x2 matrix

# set(out, m00, m01, m10, m11)

Set the components of a mat2 to the given values

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
m00	`Number`	Component in column 0, row 0 position (index 0)
m01	`Number`	Component in column 0, row 1 position (index 1)
m10	`Number`	Component in column 1, row 0 position (index 2)
m11	`Number`	Component in column 1, row 1 position (index 3)

Returns

mat2

out

# transpose(out, a)

Transpose the values of a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# invert(out, a)

Inverts a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# adjoint(out, a)

Calculates the adjugate of a mat2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the source matrix

Returns

mat2

out

# determinant(a)

Calculates the determinant of a mat2

Parameters

Name	Type	Description
a	`mat2`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat2's

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# rotate(out, a, rad)

Rotates a mat2 by the given angle

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat2

out

# scale(out, a, v)

Scales the mat2 by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to rotate
v	`vec2`	the vec2 to scale the matrix by

Returns

mat2

out

# fromRotation(out, rad)

Creates a matrix from a given angle This is equivalent to (but much faster than):

mat2.identity(dest);
mat2.rotate(dest, dest, rad);

Parameters

Name	Type	Description
out	`mat2`	mat2 receiving operation result
rad	`Number`	the angle to rotate the matrix by

Returns

mat2

out

# fromScaling(out, v)

Creates a matrix from a vector scaling This is equivalent to (but much faster than):

mat2.identity(dest);
mat2.scale(dest, dest, vec);

Parameters

Name	Type	Description
out	`mat2`	mat2 receiving operation result
v	`vec2`	Scaling vector

Returns

mat2

out

# str(a)

Returns a string representation of a mat2

Parameters

Name	Type	Description
a	`mat2`	matrix to represent as a string

Returns

String

string representation of the matrix

# frob(a)

Returns Frobenius norm of a mat2

Parameters

Name	Type	Description
a	`mat2`	the matrix to calculate Frobenius norm of

Returns

Number

Frobenius norm

# LDU(L, D, U, a)

Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix

Parameters

Name	Type	Description
L	`mat2`	the lower triangular matrix
D	`mat2`	the diagonal matrix
U	`mat2`	the upper triangular matrix
a	`mat2`	the input matrix to factorize

Returns

Void

# add(out, a, b)

Adds two mat2's

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# subtract(out, a, b)

Subtracts matrix b from matrix a

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the first operand
b	`mat2`	the second operand

Returns

mat2

out

# exactEquals(a, b)

Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)

Parameters

Name	Type	Description
a	`mat2`	The first matrix.
b	`mat2`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# equals(a, b)

Returns whether or not the matrices have approximately the same elements in the same position.

Parameters

Name	Type	Description
a	`mat2`	The first matrix.
b	`mat2`	The second matrix.

Returns

Boolean

True if the matrices are equal, false otherwise.

# multiplyScalar(out, a, b)

Multiply each element of the matrix by a scalar.

Parameters

Name	Type	Description
out	`mat2`	the receiving matrix
a	`mat2`	the matrix to scale
b	`Number`	amount to scale the matrix's elements by

Returns

mat2

out

# multiplyScalarAndAdd(out, a, b, scale)

Adds two mat2's after multiplying each element of the second operand by a scalar value.

Parameters

Name	Type	Description
out	`mat2`	the receiving vector
a	`mat2`	the first operand
b	`mat2`	the second operand
scale	`Number`	the amount to scale b's elements by before adding

Returns

mat2

out

# create()

Creates a new identity mat2d

Returns

mat2d

a new 2x3 matrix

# clone(a)

Creates a new mat2d initialized with values from an existing matrix

Parameters

Name	Type	Description
a	`mat2d`	matrix to clone

Returns

mat2d

a new 2x3 matrix

# copy(out, a)

Copy the values from one mat2d to another

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the source matrix

Returns

mat2d

out

# identity(out)

Set a mat2d to the identity matrix

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix

Returns

mat2d

out

# fromValues(a, b, c, d, tx, ty)

Create a new mat2d with the given values

Parameters

Name	Type	Description
a	`Number`	Component A (index 0)
b	`Number`	Component B (index 1)
c	`Number`	Component C (index 2)
d	`Number`	Component D (index 3)
tx	`Number`	Component TX (index 4)
ty	`Number`	Component TY (index 5)

Returns

mat2d

A new mat2d

# set(out, a, b, c, d, tx, ty)

Set the components of a mat2d to the given values

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`Number`	Component A (index 0)
b	`Number`	Component B (index 1)
c	`Number`	Component C (index 2)
d	`Number`	Component D (index 3)
tx	`Number`	Component TX (index 4)
ty	`Number`	Component TY (index 5)

Returns

mat2d

out

# invert(out, a)

Inverts a mat2d

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the source matrix

Returns

mat2d

out

# determinant(a)

Calculates the determinant of a mat2d

Parameters

Name	Type	Description
a	`mat2d`	the source matrix

Returns

Number

determinant of a

# multiply(out, a, b)

Multiplies two mat2d's

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the first operand
b	`mat2d`	the second operand

Returns

mat2d

out

# rotate(out, a, rad)

Rotates a mat2d by the given angle

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to rotate
rad	`Number`	the angle to rotate the matrix by

Returns

mat2d

out

# scale(out, a, v)

Scales the mat2d by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`	the matrix to translate
v	`vec2`	the vec2 to scale the matrix by

Returns

mat2d

out

# translate(out, a, v)

Translates the mat2d by the dimensions in the given vec2

Parameters

Name	Type	Description
out	`mat2d`	the receiving matrix
a	`mat2d`

gl-matrix master

# publish()

Returns

# summarize()

Returns

# makeSortby()

Returns

# include()

Returns

# makeSrcFile()

Returns

# makeSignature()

Returns

# resolveLinks()

Returns

# setMatrixArrayType(type)

Parameters

Returns

# toRadian(a)

Parameters

Returns

# equals(a, b)

Parameters

Returns

# create()

Returns

# clone(a)

Parameters

Returns

# copy(out, a)

Parameters

Returns

# identity(out)

Parameters

Returns

# fromValues(m00, m01, m10, m11)

Parameters

Returns

# set(out, m00, m01, m10, m11)

Parameters

Returns

# transpose(out, a)

Parameters

Returns

# invert(out, a)

Parameters

Returns

# adjoint(out, a)

Parameters

Returns

# determinant(a)

Parameters

Returns

# multiply(out, a, b)

Parameters

Returns

# rotate(out, a, rad)

Parameters

Returns

# scale(out, a, v)

Parameters

Returns

# fromRotation(out, rad)

Parameters

Returns

# fromScaling(out, v)

Parameters

Returns

# str(a)

Parameters

Returns

# frob(a)

Parameters

Returns

# LDU(L, D, U, a)

Parameters

Returns

# add(out, a, b)

Parameters

Returns