Dry
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Two-dimensional vector. More...
#include <Dry/Math/Vector2.h>
Public Member Functions | |
Vector2 () noexcept | |
Construct a zero vector. | |
Vector2 (const Vector2 &vector) noexcept=default | |
Copy-construct from another vector. | |
Vector2 (const IntVector2 &vector) noexcept | |
Construct from an IntVector2. | |
Vector2 (float x, float y) noexcept | |
Construct from coordinates. | |
Vector2 (const float *const data) noexcept | |
Construct from a float array. | |
Vector2 & | operator= (const Vector2 &rhs) noexcept=default |
Assign from another vector. | |
bool | operator== (const Vector2 &rhs) const |
Test for equality with another vector without epsilon. | |
bool | operator!= (const Vector2 &rhs) const |
Test for inequality with another vector without epsilon. | |
Vector2 | operator+ (const Vector2 &rhs) const |
Add a vector. | |
Vector2 | operator- () const |
Return negation. | |
Vector2 | operator- (const Vector2 &rhs) const |
Subtract a vector. | |
Vector2 | operator* (float rhs) const |
Multiply with a scalar. | |
Vector2 | operator* (const Vector2 &rhs) const |
Multiply with a vector. | |
Vector2 | operator/ (float rhs) const |
Divide by a scalar. | |
Vector2 | operator/ (const Vector2 &rhs) const |
Divide by a vector. | |
Vector2 & | operator+= (const Vector2 &rhs) |
Add-assign a vector. | |
Vector2 & | operator-= (const Vector2 &rhs) |
Subtract-assign a vector. | |
Vector2 & | operator*= (float rhs) |
Multiply-assign a scalar. | |
Vector2 & | operator*= (const Vector2 &rhs) |
Multiply-assign a vector. | |
Vector2 & | operator/= (float rhs) |
Divide-assign a scalar. | |
Vector2 & | operator/= (const Vector2 &rhs) |
Divide-assign a vector. | |
void | Normalize () |
Normalize to unit length. | |
float | Length () const |
Return length. | |
float | LengthSquared () const |
Return squared length. | |
float | DotProduct (const Vector2 &rhs) const |
Calculate dot product. | |
float | AbsDotProduct (const Vector2 &rhs) const |
Calculate absolute dot product. | |
float | ProjectOntoAxis (const Vector2 &axis) const |
Project vector onto axis. | |
float | Angle (const Vector2 &rhs) const |
Returns the angle between this vector and another vector in degrees. | |
Vector2 | Abs () const |
Return absolute vector. | |
Vector2 | Lerp (const Vector2 &rhs, float t) const |
Linear interpolation with another vector. | |
bool | Equals (const Vector2 &rhs) const |
Test for equality with another vector with epsilon. | |
bool | IsNaN () const |
Return whether any component is NaN. | |
bool | IsInf () const |
Return whether any component is Inf. | |
Vector2 | Normalized () const |
Return normalized to unit length. | |
Vector2 | NormalizedOrDefault (const Vector2 &defaultValue=Vector2::ZERO, float eps=M_LARGE_EPSILON) const |
Return normalized to unit length or zero if length is too small. | |
Vector2 | ReNormalized (float minLength, float maxLength, const Vector2 &defaultValue=Vector2::ZERO, float eps=M_LARGE_EPSILON) const |
Return normalized vector with length in given range. | |
const float * | Data () const |
Return float data. | |
String | ToString () const |
Return as string. | |
Public Attributes | |
float | x_ |
X coordinate. | |
float | y_ |
Y coordinate. | |
Static Public Attributes | |
static const Vector2 | ZERO {} |
Zero vector. | |
static const Vector2 | LEFT { -1.0f, 0.0f } |
(-1,0) vector. | |
static const Vector2 | RIGHT { 1.0f, 0.0f } |
(1,0) vector. | |
static const Vector2 | UP { 0.0f, 1.0f } |
(0,1) vector. | |
static const Vector2 | DOWN { 0.0f, -1.0f } |
(0,-1) vector. | |
static const Vector2 | ONE { 1.0f, 1.0f } |
(1,1) vector. | |
Two-dimensional vector.