Struct vex::Vector2

#[repr(C, packed)]pub struct Vector2 {
    pub x: f32,
    pub y: f32,
}

Fields

x: f32

y: f32

Methods

impl Vector2

pub fn new() -> Vector2

Creates a vector <0.0, 0.0>

Examples

use vex::Vector2;
 
let actual = Vector2::new();
let expected = Vector2 { x: 0.0, y: 0.0 };
assert_eq!(actual, expected);

pub fn one() -> Vector2

Creates a vector <1.0, 1.0>

Examples

use vex::Vector2;
 
let actual = Vector2::one();
let expected = Vector2 { x: 1.0, y: 1.0 };
assert_eq!(actual, expected);

pub fn make(x: f32, y: f32) -> Vector2

Creates a vector from the provided values

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0);
let expected = Vector2 { x: 1.0, y: 2.0 };
assert_eq!(actual, expected);

pub fn dot(a: &Vector2, b: &Vector2) -> f32

Find the dot product between two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 0.0);
let b = Vector2::make(0.0, 1.0);
let actual = Vector2::dot(&a, &b);
let expected = 0.0;
assert_eq!(actual, expected);

pub fn cross(a: &Vector2, b: &Vector2) -> f32

Find the cross product between two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 0.0);
let b = Vector2::make(0.0, 1.0);
let actual = Vector2::cross(&a, &b);
let expected = 1.0;
assert_eq!(actual, expected);

pub fn cross_scalar_vec(s: f32, v: &Vector2) -> Vector2

Find the cross product between a scalar (left) and vector (right)

Examples

use vex::Vector2;
 
let s = 1.0;
let v = Vector2::make(1.0, 0.0);
let actual = Vector2::cross_scalar_vec(s, &v);
let expected = Vector2::make(0.0, 1.0);
assert_eq!(actual, expected);

pub fn cross_vec_scalar(v: &Vector2, s: f32) -> Vector2

Find the cross product between a vector (left) and scalar (right)

Examples

use vex::Vector2;
 
let s = 1.0;
let v = Vector2::make(1.0, 0.0);
let actual = Vector2::cross_vec_scalar(&v, s);
let expected = Vector2::make(0.0, -1.0);
assert_eq!(actual, expected);

pub fn min(a: &Vector2, b: &Vector2) -> Vector2

Find the minimum (component-wise) vector between two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 4.0);
let b = Vector2::make(2.0, 3.0);
let actual = Vector2::min(&a, &b);
let expected = Vector2::make(1.0, 3.0);
assert_eq!(actual, expected);

pub fn max(a: &Vector2, b: &Vector2) -> Vector2

Find the maximum (component-wise) vector between two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 4.0);
let b = Vector2::make(2.0, 3.0);
let actual = Vector2::max(&a, &b);
let expected = Vector2::make(2.0, 4.0);
assert_eq!(actual, expected);

pub fn clamp(&mut self, a: &Vector2, b: &Vector2)

Find the clamped (component-wise) vector between two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 3.0);
let b = Vector2::make(2.0, 4.0);
let mut actual = Vector2::make(0.0, 5.0);
actual.clamp(&a, &b);
let expected = Vector2::make(1.0, 4.0);
assert_eq!(actual, expected);

pub fn set(&mut self, x: f32, y: f32)

Set the components of a vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::new();
actual.set(1.0, 2.0);
let expected = Vector2::make(1.0, 2.0);
assert_eq!(actual, expected);

pub fn mag(&self) -> f32

Get the magnitude of the vector

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0).mag();
let expected = 2.2360679775;
assert_eq!(actual, expected);

pub fn mag_sq(&self) -> f32

Get the squared magnitude of the vector

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0).mag_sq();
let expected = 5.0;
assert_eq!(actual, expected);

pub fn norm(&mut self) -> f32

Normalize the vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual.norm();
let expected = Vector2::make(0.4472135955, 0.894427191);
assert_eq!(actual, expected);

pub fn abs(&mut self)

Set the components of a vector to their absolute values

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(-1.0, -2.0);
actual.abs();
let expected = Vector2::make(1.0, 2.0);
assert_eq!(actual, expected);

pub fn skew(&mut self)

Skew the vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual.skew();
let expected = Vector2::make(-2.0, 1.0);
assert_eq!(actual, expected);

pub fn is_valid(&self) -> bool

Determine whether or not all components of the vector are valid

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0);
assert!(actual.is_valid());

Trait Implementations

impl Add<Vector2> for Vector2

type Output = Vector2

The resulting type after applying the + operator.

fn add(self, _rhs: Vector2) -> Vector2

Add two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 2.0);
let b = Vector2::make(3.0, 4.0);
let actual = a + b;
let expected = Vector2::make(4.0, 6.0);
assert_eq!(actual, expected);

impl Add<f32> for Vector2

type Output = Vector2

The resulting type after applying the + operator.

fn add(self, _rhs: f32) -> Vector2

Find the resulting vector by adding a scalar to a vector's components

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0) + 1.0;
let expected = Vector2::make(2.0, 3.0);
assert_eq!(actual, expected);

impl AddAssign<Vector2> for Vector2

fn add_assign(&mut self, _rhs: Vector2)

Increment a vector by another vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual += Vector2::make(1.0, 2.0);
let expected = Vector2::make(2.0, 4.0);
assert_eq!(actual, expected);

impl AddAssign<f32> for Vector2

fn add_assign(&mut self, _rhs: f32)

Increment a vector by a scalar

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual += 10.0;
let expected = Vector2::make(11.0, 12.0);
assert_eq!(actual, expected);

impl Clone for Vector2

fn clone(&self) -> Vector2

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Vector2

impl Debug for Vector2

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for Vector2

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Div<Vector2> for Vector2

type Output = Vector2

The resulting type after applying the / operator.

fn div(self, _rhs: Vector2) -> Vector2

Divide two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 2.0);
let b = Vector2::make(2.0, 8.0);
let actual = a / b;
let expected = Vector2::make(0.5, 0.25);
assert_eq!(actual, expected);

impl Div<f32> for Vector2

type Output = Vector2

The resulting type after applying the / operator.

fn div(self, _rhs: f32) -> Vector2

Find the resulting vector by dividing a scalar to a vector's components

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0) / 2.0;
let expected = Vector2::make(0.5, 1.0);
assert_eq!(actual, expected);

impl DivAssign<Vector2> for Vector2

fn div_assign(&mut self, _rhs: Vector2)

Divide a vector by another vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual /= Vector2::make(2.0, 8.0);
let expected = Vector2::make(0.5, 0.25);
assert_eq!(actual, expected);

impl DivAssign<f32> for Vector2

fn div_assign(&mut self, _rhs: f32)

Divide a vector by a scalar

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual /= 2.0;
let expected = Vector2::make(0.5, 1.0);
assert_eq!(actual, expected);

impl From<Vector2> for Vector3

fn from(item: Vector2) -> Vector3

Creates a Vector3 from the components of a Vector2

Examples

use vex::Vector2;
use vex::Vector3;
 
let input = Vector2::make(1.0, 2.0);
let actual = Vector3::from(input);
let expected = Vector3 { x: 1.0, y: 2.0, z: 0.0 };
assert_eq!(actual, expected);

impl From<Vector3> for Vector2

fn from(item: Vector3) -> Self

Creates a Vector2 from the components of a Vector3

Examples

use vex::Vector2;
use vex::Vector3;
 
let input = Vector3::make(1.0, 2.0, 3.0);
let actual = Vector2::from(input);
let expected = Vector2 { x: 1.0, y: 2.0 };
assert_eq!(actual, expected);

impl Index<u32> for Vector2

type Output = f32

The returned type after indexing.

fn index(&self, index: u32) -> &f32

Looks up a component by index

Examples

use vex::Vector2;
 
let mut v = Vector2::make(1.0, 2.0);
assert_eq!(v[0], 1.0);
assert_eq!(v[1], 2.0);

impl IndexMut<u32> for Vector2

fn index_mut<'a>(&'a mut self, index: u32) -> &'a mut f32

Mutate a component by index

Examples

use vex::Vector2;
 
let mut v = Vector2::new();
v[0] = 3.0;
v[1] = 4.0;
assert_eq!(v[0], 3.0);
assert_eq!(v[1], 4.0);

impl Matrix<Vector2> for Matrix2

fn transform_point(&self, point: &Vector2) -> Vector2

Find the resulting vector given a vector and matrix

Examples

use vex::Matrix;
use vex::Matrix2;
use vex::Vector2;

let m = Matrix2::make(1.0, 2.0, 3.0, 4.0);
let v = Vector2::make(1.0, 2.0);
let actual = m.transform_point(&v);
let expected = Vector2::make(7.0, 10.0);
assert_eq!(actual, expected);

impl Matrix<Vector2> for Matrix3

fn transform_point(&self, point: &Vector2) -> Vector2

Find the resulting vector given a vector and matrix

Examples

use vex::Matrix;
use vex::Matrix3;
use vex::Vector2;
 
let m = Matrix3::make(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0);
let v = Vector2::make(1.0, 2.0);
let actual = m.transform_point(&v);
let expected = Vector2::make(16.0, 20.0);
assert_eq!(actual, expected);

impl Mul<Vector2> for Vector2

type Output = Vector2

The resulting type after applying the * operator.

fn mul(self, _rhs: Vector2) -> Vector2

Multiply two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 2.0);
let b = Vector2::make(2.0, 3.0);
let actual = a * b;
let expected = Vector2::make(2.0, 6.0);
assert_eq!(actual, expected);

impl Mul<f32> for Vector2

type Output = Vector2

The resulting type after applying the * operator.

fn mul(self, _rhs: f32) -> Vector2

Find the resulting vector by multiplying a scalar to a vector's components

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0) * 2.0;
let expected = Vector2::make(2.0, 4.0);
assert_eq!(actual, expected);

impl MulAssign<Vector2> for Vector2

fn mul_assign(&mut self, _rhs: Vector2)

Multiply a vector by another vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual *= Vector2::make(2.0, 3.0);
let expected = Vector2::make(2.0, 6.0);
assert_eq!(actual, expected);

impl MulAssign<f32> for Vector2

fn mul_assign(&mut self, _rhs: f32)

Multiply a vector by a scalar

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual *= 2.0;
let expected = Vector2::make(2.0, 4.0);
assert_eq!(actual, expected);

impl Neg for Vector2

type Output = Vector2

The resulting type after applying the - operator.

fn neg(self) -> Vector2

Negates all components in a vector

Examples

use vex::Vector2;
 
let actual = -Vector2::make(1.0, 2.0);
let expected = Vector2::make(-1.0, -2.0);
assert_eq!(actual, expected);

impl PartialEq<Vector2> for Vector2

fn eq(&self, _rhs: &Vector2) -> bool

Determines if two vectors' components are equivalent

Examples

use vex::Vector2;
 
assert!(Vector2::new() == Vector2::new());

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Sub<Vector2> for Vector2

type Output = Vector2

The resulting type after applying the - operator.

fn sub(self, _rhs: Vector2) -> Vector2

Subtract two vectors

Examples

use vex::Vector2;
 
let a = Vector2::make(1.0, 2.0);
let b = Vector2::make(4.0, 3.0);
let actual = a - b;
let expected = Vector2::make(-3.0, -1.0);
assert_eq!(actual, expected);

impl Sub<f32> for Vector2

type Output = Vector2

The resulting type after applying the - operator.

fn sub(self, _rhs: f32) -> Vector2

Find the resulting vector by subtracting a scalar from a vector's components

Examples

use vex::Vector2;
 
let actual = Vector2::make(1.0, 2.0) - 10.0;
let expected = Vector2::make(-9.0, -8.0);
assert_eq!(actual, expected);

impl SubAssign<Vector2> for Vector2

fn sub_assign(&mut self, _rhs: Vector2)

Decrement a vector by another vector

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual -= Vector2::make(1.0, 2.0);
assert_eq!(actual, Vector2::new());

impl SubAssign<f32> for Vector2

fn sub_assign(&mut self, _rhs: f32)

Decrement a vector by a scalar

Examples

use vex::Vector2;
 
let mut actual = Vector2::make(1.0, 2.0);
actual -= 1.0;
let expected = Vector2::make(0.0, 1.0);
assert_eq!(actual, expected);