Module: vec3

3 Dimensional Vector
Source:

Methods

(static) add(out, a, b) → {vec3}

Adds two vec3's
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
out
Type
vec3

(static) angle(a, b) → {Number}

Get the angle between two 3D vectors
Parameters:
Name Type Description
a vec3 The first operand
b vec3 The second operand
Source:
Returns:
The angle in radians
Type
Number

(static) bezier(out, a, b, c, d, t) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) ceil(out, a) → {vec3}

Math.ceil the components of a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to ceil
Source:
Returns:
out
Type
vec3

(static) clone(a) → {vec3}

Creates a new vec3 initialized with values from an existing vector
Parameters:
Name Type Description
a vec3 vector to clone
Source:
Returns:
a new 3D vector
Type
vec3

(static) copy(out, a) → {vec3}

Copy the values from one vec3 to another
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 the source vector
Source:
Returns:
out
Type
vec3

(static) create() → {vec3}

Creates a new, empty vec3
Source:
Returns:
a new 3D vector
Type
vec3

(static) cross(out, a, b) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) dist()

Alias for vec3.distance
Source:

(static) distance(a, b) → {Number}

Calculates the euclidian distance between two vec3's
Parameters:
Name Type Description
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
distance between a and b
Type
Number

(static) div()

Alias for vec3.divide
Source:

(static) divide(out, a, b) → {vec3}

Divides two vec3's
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
out
Type
vec3

(static) dot(a, b) → {Number}

Calculates the dot product of two vec3's
Parameters:
Name Type Description
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
dot product of a and b
Type
Number

(static) equals(a, b) → {Boolean}

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.
Source:
Returns:
True if the vectors are equal, false otherwise.
Type
Boolean

(static) exactEquals(a, b) → {Boolean}

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.
Source:
Returns:
True if the vectors are equal, false otherwise.
Type
Boolean

(static) floor(out, a) → {vec3}

Math.floor the components of a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to floor
Source:
Returns:
out
Type
vec3

(static) forEach(a, stride, offset, count, fn, argopt) → {Array}

Perform some operation over an array of vec3s.
Parameters:
Name Type Attributes Description
a Array the array of vectors to iterate over
stride Number Number of elements between the start of each vec3. If 0 assumes tightly packed
offset Number Number of elements to skip at the beginning of the array
count Number Number of vec3s to iterate over. If 0 iterates over entire array
fn function Function to call for each vector in the array
arg Object <optional>
 additional argument to pass to fn
Source:
Returns:
a
Type
Array

(static) fromValues(x, y, z) → {vec3}

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
Source:
Returns:
a new 3D vector
Type
vec3

(static) hermite(out, a, b, c, d, t) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) inverse(out, a) → {vec3}

Returns the inverse of the components of a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to invert
Source:
Returns:
out
Type
vec3

(static) len()

Alias for vec3.length
Source:

(static) length(a) → {Number}

Calculates the length of a vec3
Parameters:
Name Type Description
a vec3 vector to calculate length of
Source:
Returns:
length of a
Type
Number

(static) lerp(out, a, b, t) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) max(out, a, b) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) min(out, a, b) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) mul()

Alias for vec3.multiply
Source:

(static) multiply(out, a, b) → {vec3}

Multiplies two vec3's
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
out
Type
vec3

(static) negate(out, a) → {vec3}

Negates the components of a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to negate
Source:
Returns:
out
Type
vec3

(static) normalize(out, a) → {vec3}

Normalize a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to normalize
Source:
Returns:
out
Type
vec3

(static) random(out, scaleopt) → {vec3}

Generates a random vector with the given scale
Parameters:
Name Type Attributes Description
out vec3 the receiving vector
scale Number <optional>
 Length of the resulting vector. If ommitted, a unit vector will be returned
Source:
Returns:
out
Type
vec3

(static) rotateX(out, a, b, c) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) rotateY(out, a, b, c) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) rotateZ(out, a, b, c) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) round(out, a) → {vec3}

Math.round the components of a vec3
Parameters:
Name Type Description
out vec3 the receiving vector
a vec3 vector to round
Source:
Returns:
out
Type
vec3

(static) scale(out, a, b) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) scaleAndAdd(out, a, b, scale) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) set(out, x, y, z) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) sqrDist()

Alias for vec3.squaredDistance
Source:

(static) sqrLen()

Alias for vec3.squaredLength
Source:

(static) squaredDistance(a, b) → {Number}

Calculates the squared euclidian distance between two vec3's
Parameters:
Name Type Description
a vec3 the first operand
b vec3 the second operand
Source:
Returns:
squared distance between a and b
Type
Number

(static) squaredLength(a) → {Number}

Calculates the squared length of a vec3
Parameters:
Name Type Description
a vec3 vector to calculate squared length of
Source:
Returns:
squared length of a
Type
Number

(static) str(a) → {String}

Returns a string representation of a vector
Parameters:
Name Type Description
a vec3 vector to represent as a string
Source:
Returns:
string representation of the vector
Type
String

(static) sub()

Alias for vec3.subtract
Source:

(static) subtract(out, a, b) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) transformMat3(out, a, m) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) transformMat4(out, a, m) → {vec3}

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
Source:
Returns:
out
Type
vec3

(static) transformQuat(out, a, q) → {vec3}

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
Source:
Returns:
out
Type
vec3