vec.h File Reference

#include <stdint.h>

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Classes
union	vec2
union	vec3
union	vec4
#define	VEC2(x, y)   ((vec2) {{x, y}})
#define	VEC3(x, y, z)   ((vec3) {{x, y, z}})
#define	VEC4(x, y, z, w)   ((vec4) {{x, y, z, w}})
#define	VEC4_FROM_VEC3(v, a)   ((vec4) {.xyz = (v), .___w = (a)})
#define	SWZ2(v, a, b)   ((vec2) {{(v).a, (v).b}})
#define	SWZ3(v, a, b, c)   ((vec3) {{(v).a, (v).b, (v).c}})
#define	SWZ4(v, a, b, c, d)   ((vec4) {{(v).a, (v).b, (v).c, (v).d}})
typedef union vec2	vec2
typedef union vec3	vec3
typedef union vec4	vec4
vec2	vec2Add (vec2 a, vec2 b)
vec2	vec2Subtract (vec2 a, vec2 b)
float	vec2DotProduct (vec2 a, vec2 b)
vec2	vec2MultiplyScalar (vec2 a, float b)
vec2	vec2Normalize (vec2 v)
vec2	vec2Reflect (vec2 i, vec2 n)
vec2	vec2MultiplyVec2 (vec2 a, vec2 b)
vec2	vec2Negate (vec2 v)
vec3	vec3Add (vec3 a, vec3 b)
vec3	vec3Subtract (vec3 a, vec3 b)
float	vec3DotProduct (vec3 a, vec3 b)
vec3	vec3MultiplyScalar (vec3 a, float b)
vec3	vec3Normalize (vec3 v)
vec3	vec3Reflect (vec3 i, vec3 n)
vec3	vec3MultiplyVec3 (vec3 a, vec3 b)
vec3	vec3Negate (vec3 v)
vec4	vec4Add (vec4 a, vec4 b)
vec4	vec4Subtract (vec4 a, vec4 b)
float	vec4DotProduct (vec4 a, vec4 b)
vec4	vec4MultiplyScalar (vec4 a, float b)
vec4	vec4Normalize (vec4 v)
vec4	vec4Reflect (vec4 i, vec4 n)
vec4	vec4MultiplyVec4 (vec4 a, vec4 b)
vec4	vec4Negate (vec4 v)

Detailed Description

vec2, vec3, vec4 definition

Macro Definition Documentation

SWZ2

#define SWZ2	(		v,
			a,
			b
	)		((vec2) {{(v).a, (v).b}})

Swizzle macros

VEC2

#define VEC2	(		x,
			y
	)		((vec2) {{x, y}})

Instantiation macros

Typedef Documentation

vec3

typedef union vec3 vec3

Represents a 3-element vector of floats

vec4

typedef union vec4 vec4

Represents a 4-element vector of floats

Function Documentation

vec2DotProduct()

float vec2DotProduct	(	vec2	a,
		vec2	b
	)

Calculate the dot product of two vectors

vec2MultiplyScalar()

vec2 vec2MultiplyScalar	(	vec2	a,
		float	b
	)

Multiply a vector with a scalar value

vec2MultiplyVec2()

vec2 vec2MultiplyVec2	(	vec2	a,
		vec2	b
	)

Component-wise multiplication (Hadamard product)

vec2Negate()

vec2 vec2Negate

(

vec2

v

)

Negate all components of a vector

vec2Normalize()

vec2 vec2Normalize

(

vec2

v

)

Normalize a vector to have a length of 1

vec2Reflect()

vec2 vec2Reflect	(	vec2	i,
		vec2	n
	)

Reflect an incident vector I against a surface normal N

vec2Subtract()

vec2 vec2Subtract	(	vec2	a,
		vec2	b
	)

Subtract two vectors

vec3Add()

vec3 vec3Add	(	vec3	a,
		vec3	b
	)

Add two vectors

vec3DotProduct()

float vec3DotProduct	(	vec3	a,
		vec3	b
	)

Calculate the dot product of two vectors

vec3MultiplyScalar()

vec3 vec3MultiplyScalar	(	vec3	a,
		float	b
	)

Multiply a vector with a scalar value

vec3MultiplyVec3()

vec3 vec3MultiplyVec3	(	vec3	a,
		vec3	b
	)

Component-wise multiplication (Hadamard product)

vec3Negate()

vec3 vec3Negate

(

vec3

v

)

Negate all components of a vector

vec3Normalize()

vec3 vec3Normalize

(

vec3

v

)

Normalize a vector to have a length of 1

vec3Reflect()

vec3 vec3Reflect	(	vec3	i,
		vec3	n
	)

Reflect an incident vector I against a surface normal N

vec3Subtract()

vec3 vec3Subtract	(	vec3	a,
		vec3	b
	)

Subtract two vectors

vec4Add()

vec4 vec4Add	(	vec4	a,
		vec4	b
	)

Add two vectors

vec4DotProduct()

float vec4DotProduct	(	vec4	a,
		vec4	b
	)

Calculate the dot product of two vectors

vec4MultiplyScalar()

vec4 vec4MultiplyScalar	(	vec4	a,
		float	b
	)

Multiply a vector with a scalar value

vec4MultiplyVec4()

vec4 vec4MultiplyVec4	(	vec4	a,
		vec4	b
	)

Component-wise multiplication (Hadamard product)

vec4Negate()

vec4 vec4Negate

(

vec4

v

)

Negate all components of a vector

vec4Normalize()

vec4 vec4Normalize

(

vec4

v

)

Normalize a vector to have a length of 1

vec4Reflect()

vec4 vec4Reflect	(	vec4	i,
		vec4	n
	)

Reflect an incident vector I against a surface normal N

vec4Subtract()

vec4 vec4Subtract	(	vec4	a,
		vec4	b
	)

Subtract two vectors