vec.h File Reference

#include <stdint.h>

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Classes
struct	vec2
struct	vec2d
struct	vec3
struct	vec3d
struct	vec4
struct	vec4d
#define	VEC2_ZERO   (vec2) {0, 0}
#define	VEC2D_ZERO   (vec2d) {0, 0}
#define	VEC3_ZERO   (vec3) {0, 0, 0}
#define	VEC3D_ZERO   (vec3d) {0, 0, 0}
#define	VEC4_ZERO   (vec4) {0, 0, 0, 0}
#define	VEC4D_ZERO   (vec4d) {0, 0, 0, 0}
typedef struct vec2	vec2
typedef struct vec2d	vec2d
typedef struct vec3	vec3
typedef struct vec3d	vec3d
typedef struct vec4	vec4
typedef struct vec4d	vec4d
vec3d	vec3dSubtract (vec3d a, vec3d b)
vec4d	vec4dAdd (vec4d a, vec4d b)
vec4d	vec4dMultiplyScalar (vec4d a, double b)
double	vec4dIndex (vec4d a, uint8_t index)

Detailed Description

vec2, vec2d, vec3, vec3d, vec4, vec4d

Typedef Documentation

vec2d

typedef struct vec2d vec2d

Represents a 2D vector of doubles

vec3

typedef struct vec3 vec3

Represents a 3D vector of floats

vec3d

typedef struct vec3d vec3d

Represents a 3D vector of doubles

vec4

typedef struct vec4 vec4

Represents a 4D vector of floats

vec4d

typedef struct vec4d vec4d

Represents a 4D vector of doubles

Function Documentation

vec3dSubtract()

vec3d vec3dSubtract	(	vec3d	a,
		vec3d	b
	)

Subtract two vec3ds

Parameters

[in]	a	First vector
[in]	b	Second vector

Returns

The difference between first and second vectors

vec4dAdd()

vec4d vec4dAdd	(	vec4d	a,
		vec4d	b
	)

Add two vec4ds

Parameters

[in]	a	First vector
[in]	b	Second vector

Returns

The sum of first and second vectors

vec4dIndex()

double vec4dIndex	(	vec4d	a,
		uint8_t	index
	)

Index a vec4d

Parameters

[in]	a	Vector to be indexed
[in]	index	Index (0-based)

Returns

The value stored at indexth element of the vector

vec4dMultiplyScalar()

vec4d vec4dMultiplyScalar	(	vec4d	a,
		double	b
	)

Multiply a vec4d by a double scalar

Parameters

[in]	a	Vector
[in]	b	Scalar

Returns

The result of vector-scalar multiplication