Template:Main:Vector/Methods

Math operations

Mathematical operations that apply to all vectors, such as computing their length

length

---

Mathematical definition

Computes the Euclidean norm of the vector.

Computes the length of a vector.

Arguments	Return Type
length()	number

lengthSquared

---

Computes the length of a vector, squared. Due to the nature of the length calculation, this is a little bit faster than length.

Arguments	Return Type
lengthSquared()	number

dot

---

Computes the dot product between two vectors. The argument must be the same type as the target vector.

Arguments	Return Type
dot(Vector other)	number

add

---

Mathematical definition

Performs vector addition with another vector, storing the result in this vector.

Adds the values from this vector and another vector of the same size, and writes them to this vector. To create a new instance from the sum, see + (operator).

Arguments	Return Type
add(Vector other)	self Vector

+ (operator)

---

Mathematical definition

Performs vector addition with another vector, and creates a new vector from the result.

Adds the values from this vector and another vector of the same size. The result is a new vector of the same size which holds the sum.

Left	Right	Result
Vector	Vector	Vector

local a = vec(1, 2, 3)
local b = vec(4, 4, 6)
print(a + b, a, b) -- {5, 6, 9}  {1, 2, 3}  {4, 4, 6}

Utility operations

set

---

Assigns the values from another vector of the same size to this vector in place. To create a new instance, see copy.

Arguments	Return Type
set(Vector other)	self Vector