2-Component Vector

.. code:: cpp

#include <graphics/vec2.h>

.. struct:: vec2

Two component vector structure.

.. member:: float vec2.x

X component

.. member:: float vec2.y

Y component

.. member:: float vec2.ptr[2]

Unioned array of both components

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.. function:: void vec2_zero(struct vec2 *dst)

Zeroes a vector

:param dst: Destination

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.. function:: void vec2_set(struct vec2 *dst, float x, float y)

Sets the individual components of a 2-component vector.

:param dst: Destination :param x: X component :param y: Y component

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.. function:: void vec2_copy(struct vec2 *dst, const struct vec2 *v)

Copies a vector

:param dst: Destination :param v: Vector to copy

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.. function:: void vec2_add(struct vec2 *dst, const struct vec2 *v1, const struct vec2 *v2)

Adds two vectors

:param dst: Destination :param v1: Vector 1 :param v2: Vector 2

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.. function:: void vec2_sub(struct vec2 *dst, const struct vec2 *v1, const struct vec2 *v2)

Subtracts two vectors

:param dst: Destination :param v1: Vector being subtracted from :param v2: Vector being subtracted

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.. function:: void vec2_mul(struct vec2 *dst, const struct vec2 *v1, const struct vec2 *v2)

Multiplies two vectors

:param dst: Destination :param v1: Vector 1 :param v2: Vector 2

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.. function:: void vec2_div(struct vec2 *dst, const struct vec2 *v1, const struct vec2 *v2)

Divides two vectors

:param dst: Destination :param v1: Dividend :param v2: Divisor

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.. function:: void vec2_addf(struct vec2 *dst, const struct vec2 *v, float f)

Adds a floating point to all components

:param dst: Destination :param dst: Vector :param f: Floating point

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.. function:: void vec2_subf(struct vec2 *dst, const struct vec2 *v, float f)

Subtracts a floating point from all components

:param dst: Destination :param v: Vector being subtracted from :param f: Floating point being subtracted

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.. function:: void vec2_mulf(struct vec2 *dst, const struct vec2 *v, float f)

Multiplies a floating point with all components

:param dst: Destination :param dst: Vector :param f: Floating point

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.. function:: void vec2_divf(struct vec2 *dst, const struct vec2 *v, float f)

Divides a floating point from all components

:param dst: Destination :param v: Vector (dividend) :param f: Floating point (divisor)

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.. function:: void vec2_neg(struct vec2 *dst, const struct vec2 *v)

Negates a vector

:param dst: Destination :param v: Vector to negate

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.. function:: float vec2_dot(const struct vec2 *v1, const struct vec2 *v2)

Performs a dot product between two vectors

:param v1: Vector 1 :param v2: Vector 2 :return: Result of the dot product

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.. function:: float vec2_len(const struct vec2 *v)

Gets the length of a vector

:param v: Vector :return: The vector's length

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.. function:: float vec2_dist(const struct vec2 *v1, const struct vec2 *v2)

Gets the distance between two vectors

:param v1: Vector 1 :param v2: Vector 2 :return: Distance between the two vectors

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.. function:: void vec2_minf(struct vec2 *dst, const struct vec2 *v, float val)

Gets the minimum values between a vector's components and a floating point

:param dst: Destination :param v: Vector :param val: Floating point

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.. function:: void vec2_min(struct vec2 *dst, const struct vec2 *v, const struct vec2 *min_v)

Gets the minimum values between two vectors

:param dst: Destination :param v: Vector 1 :param min_v: Vector 2

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.. function:: void vec2_maxf(struct vec2 *dst, const struct vec2 *v, float val)

Gets the maximum values between a vector's components and a floating point

:param dst: Destination :param v: Vector :param val: Floating point

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.. function:: void vec2_max(struct vec2 *dst, const struct vec2 *v, const struct vec2 *max_v)

Gets the maximum values between two vectors

:param dst: Destination :param v: Vector 1 :param max_v: Vector 2

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.. function:: void vec2_abs(struct vec2 *dst, const struct vec2 *v)

Gets the absolute values of each component

:param dst: Destination :param v: Vector

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.. function:: void vec2_floor(struct vec2 *dst, const struct vec2 *v)

Gets the floor values of each component

:param dst: Destination :param v: Vector

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.. function:: void vec2_ceil(struct vec2 *dst, const struct vec2 *v)

Gets the ceiling values of each component

:param dst: Destination :param v: Vector

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.. function:: int vec2_close(const struct vec2 *v1, const struct vec2 *v2, float epsilon)

Compares two vectors

:param v1: Vector 1 :param v2: Vector 2 :param epsilon: Maximum precision for comparison

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.. function:: void vec2_norm(struct vec2 *dst, const struct vec2 *v)

Normalizes a vector

:param dst: Destination :param v: Vector to normalize