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/*
* Copyright (c) 2018 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef VKVG_VECTORS_H
#define VKVG_VECTORS_H
#include <math.h>
#include <stdint.h>
#include <stdbool.h>
typedef struct {
float x;
float y;
}vec2;
typedef struct {
double x;
double y;
}vec2d;
typedef struct {
float x;
float y;
float z;
}vec3;
typedef struct {
union {
float x;
float r;
};
union {
float y;
float g;
};
union {
float z;
float width;
float b;
};
union {
float w;
float height;
float a;
};
}vec4;
typedef struct {
uint16_t x;
uint16_t y;
uint16_t z;
uint16_t w;
}vec4i16;
typedef struct {
int16_t x;
int16_t y;
}vec2i16;
float vec2_length (vec2 v);
vec2 vec2_create (float x, float y);
vec2 vec2_norm (vec2 a);
vec2 vec2_perp (vec2 a);
vec2 vec2_add (vec2 a, vec2 b);
vec2 vec2_sub (vec2 a, vec2 b);
vec2 vec2_mult (vec2 a, float m);
bool vec2_equ (vec2 a, vec2 b);
vec2 vec2_line_norm (vec2 a, vec2 b);
double vec2d_length(vec2d v);
vec2d vec2d_norm (vec2d a);
vec2d vec2d_perp (vec2d a);
vec2d vec2d_add (vec2d a, vec2d b);
vec2d vec2d_sub (vec2d a, vec2d b);
vec2d vec2d_mult (vec2d a, double m);
vec2d vec2d_line_norm(vec2d a, vec2d b);
vec2 vec2d_to_vec2(vec2d vd);
void vec2_inv (vec2* v);
#endif
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