extvol.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 "util.h"
#include "parallel.h"
#include "threads.h"
#include "box.h"
#include "extvol.h"
#include "trace.h"
#include "sphere.h"
#include "light.h"
#include "shade.h"

Go to the source code of this file.

Macros
#define	TACHYON_INTERNAL   1

Functions
int	extvol_bbox (void *obj, vector *min, vector *max)
extvol *	newextvol (void *voidtex, vector min, vector max, int samples, flt(*evaluator)(flt, flt, flt))
color	ExtVoxelColor (flt scalar)
color	ext_volume_texture (const vector *hit, const texture *tx, ray *ry)

Variables
static object_methods	extvol_methods

Macro Definition Documentation

TACHYON_INTERNAL

#define TACHYON_INTERNAL   1

Definition at line 16 of file extvol.c.

Function Documentation

ext_volume_texture()

color ext_volume_texture	(	const vector *	hit,
		const texture *	tx,
		ray *	ry
	)

Definition at line 115 of file extvol.c.

References extvol::ambient, point_light_t::ctr, extvol::diffuse, extvol::evaluator, ExtVoxelColor(), FABS, box::max, box::min, extvol::opacity, extvol::samples, shade_transmission(), VDOT, VNorm(), and VSUB.

Referenced by newextvol().

extvol_bbox()

int extvol_bbox	(	void *	obj,
		vector *	min,
		vector *	max
	)

Definition at line 31 of file extvol.c.

References box::max, and box::min.

ExtVoxelColor()

color ExtVoxelColor

(

flt

scalar

)

Definition at line 93 of file extvol.c.

Referenced by ext_volume_texture().

newextvol()

extvol* newextvol	(	void *	voidtex,
		vector	min,
		vector	max,
		int	samples,
		flt(*)(flt, flt, flt)	evaluator
	)

Definition at line 47 of file extvol.c.

References extvol::ambient, extvol::diffuse, extvol::evaluator, ext_volume_texture(), extvol_methods, extvol::max, extvol::min, extvol::opacity, and extvol::samples.

Referenced by rt_extvol().

Variable Documentation

extvol_methods

object_methods extvol_methods

static

Initial value:

= {
  (void (*)(const void *, void *))(box_intersect),
  (void (*)(const void *, const void *, const void *, void *))(box_normal),
  extvol_bbox, 
  free 
}

Definition at line 40 of file extvol.c.

Referenced by newextvol().