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#pragma once
#include <stdbool.h>
#include <stdint.h>
#define PI 3.14159265358979323846
#define PIH 1.57079632679489661923
#define PI2 6.28318530718
#define sign(a) ((a) < 0 ? -1 : 1)
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
typedef struct {
float x, y;
} v2;
typedef struct {
int x, y;
} v2i;
float v2_cross(v2 a, v2 b);
float v2_len(v2 a);
float v2_dist(v2 a, v2 b);
float v2_square_dist(v2 a, v2 b);
uint32_t cast_ray(v2 pos, float theta, v2* hit_pos);
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