#ifndef _DONUT
#define _DONUT

#include <raylib.h>
#include <stdio.h>
#include <math.h>

#define MAX(a,b) ((a)>(b)?(a):(b))

#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 640

typedef struct _Point3d{
    double x, y, z;
}point3d;

typedef struct _Point2d{
    double x, y;
}point2d;

void debug_printp2(point2d p);

point2d map(point2d p);
point2d demap(point2d p);

void draw_circle(point2d center, double radius);
point3d rotate_x(point3d p, double a);
point3d rotate_y(point3d p, double a);
point3d rotate_z(point3d p, double a);

#endif