ring.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "tachyon.h"
#include "macros.h"
#include "vector.h"
#include "intersect.h"
#include "util.h"
#include "ring.h"

Go to the source code of this file.

Macros
#define	TACHYON_INTERNAL   1
#define	RING_PRIVATE

Functions
object *	newring (void *tex, vector ctr, vector norm, flt inrad, flt outrad)
static int	ring_bbox (void *obj, vector *min, vector *max)
static void	ring_intersect (const ring *rng, ray *ry)
static void	ring_normal (const ring *rng, const vector *pnt, const ray *incident, vector *N)

Variables
static object_methods	ring_methods

Macro Definition Documentation

RING_PRIVATE

#define RING_PRIVATE

Definition at line 23 of file ring.c.

TACHYON_INTERNAL

#define TACHYON_INTERNAL   1

Definition at line 16 of file ring.c.

Function Documentation

newring()

object* newring	(	void *	tex,
		vector	ctr,
		vector	norm,
		flt	inrad,
		flt	outrad
	)

Definition at line 33 of file ring.c.

References ring_methods, and VNorm().

Referenced by rt_ring(), and rt_ring3fv().

ring_bbox()

static int ring_bbox ( void *  obj, vector *  min, vector *  max  )

static

Definition at line 50 of file ring.c.

ring_intersect()

static void ring_intersect ( const ring *  rng, ray *  ry  )

static

Definition at line 63 of file ring.c.

References Raypnt(), SQRT, VDOT, VDot(), and VSUB.

ring_normal()

static void ring_normal ( const ring *  rng, const vector *  pnt, const ray *  incident, vector *  N  )

static

Definition at line 85 of file ring.c.

References VDot().

Variable Documentation

ring_methods

object_methods ring_methods

static

Initial value:

= {
  (void (*)(const void *, void *))(ring_intersect),
  (void (*)(const void *, const void *, const void *, void *))(ring_normal),
  ring_bbox, 
  free 
}

Definition at line 26 of file ring.c.

Referenced by newring().