coordsys.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "tachyon.h"
#include "coordsys.h"

Go to the source code of this file.

Macros
#define	TACHYON_INTERNAL   1

Functions
void	xytopolar (flt x, flt y, flt rad, flt *u, flt *v)
void	xyztocyl (vector pnt, flt height, flt *u, flt *v)
void	xyztospr (vector pnt, flt *u, flt *v)

Macro Definition Documentation

TACHYON_INTERNAL

#define TACHYON_INTERNAL   1

Definition at line 16 of file coordsys.c.

Function Documentation

xytopolar()

void xytopolar	(	flt	x,
		flt	y,
		flt	rad,
		flt *	u,
		flt *	v
	)

Definition at line 20 of file coordsys.c.

References ACOS, and SQRT.

xyztocyl()

void xyztocyl	(	vector	pnt,
		flt	height,
		flt *	u,
		flt *	v
	)

Definition at line 30 of file coordsys.c.

References ACOS, and SQRT.

Referenced by cyl_checker_texture(), and image_cyl_texture().

xyztospr()

void xyztospr	(	vector	pnt,
		flt *	u,
		flt *	v
	)

Definition at line 42 of file coordsys.c.

References ACOS, SIN, and SQRT.

Referenced by image_sphere_texture().