typedef struct{double x, y, z;}t_3d;

typedef struct{
	t_3d nrm;
	double d;
}o_plane;

typedef struct{
	double r;          /* radius */
	double x, y, z;    /* center */
}o_sphere;

typedef struct{
	int sidehit;       /* side intersected */
	double xs, ys, zs; /* size of sides */
	double x, y, z;    /* center */
}o_box;

typedef struct{
	t_3d nrm;          /* normal */
	double d;          /* plane constant */
	t_3d e1, e2, e3;   /* edge vectors */
	double d1, d2, d3; /* plane constants */
}o_triangle;

typedef struct{
	int sidehit;       /* side intersected */
	double xs, ys, zs; /* size of sides */
	double x, y, z;    /* center */
	double pow;        /* n in formula */
	double a, b, c, r; /* coefficients */
	double err;        /* error measure */
}o_superq;

typedef struct{
	int id;
	int objtyp;
	int surfnum;
	union{
		o_sphere   *p_sphere;
		o_box      *p_box;
		o_triangle *p_triangle;
		o_superq   *p_superq;
	}objptr;
}t_object;

typedef struct{double x, y, z, bright;}t_light;

typedef struct{
	double ar, ag, ab; /* ambient color */
	double dr, dg, db; /* diffuse color */
	double sr, sg, sb; /* specular color */
	double coef;       /* specular coefficient */
	double refl;       /* reflectivity 0-1 */
	double tranp;      /* transparency 0-1 */
}t_surface;

typedef struct{double r, g, b;}t_color;