quadric.c File Reference

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

Go to the source code of this file.

Macros
#define	TACHYON_INTERNAL   1

Functions
int	quadric_bbox (void *obj, vector *min, vector *max)
quadric *	newquadric (void)
void	quadric_intersect (const quadric *q, ray *ry)
void	quadric_normal (const quadric *q, const vector *pnt, const ray *incident, vector *N)

Variables
static object_methods	quadric_methods

Macro Definition Documentation

TACHYON_INTERNAL

#define TACHYON_INTERNAL   1

Definition at line 16 of file quadric.c.

Function Documentation

newquadric()

quadric* newquadric

(

void

)

Definition at line 35 of file quadric.c.

References quadric::ctr, and quadric_methods.

Referenced by rt_quadsphere().

quadric_bbox()

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

Definition at line 24 of file quadric.c.

quadric_intersect()

void quadric_intersect	(	const quadric *	q,
		ray *	ry
	)

Definition at line 48 of file quadric.c.

References quadmatrix::a, quadmatrix::b, quadmatrix::c, quadric::ctr, quadmatrix::d, quadmatrix::e, quadmatrix::f, quadmatrix::g, quadmatrix::h, quadmatrix::i, quadmatrix::j, quadric::mat, SQRT, and VNorm().

quadric_normal()

void quadric_normal	(	const quadric *	q,
		const vector *	pnt,
		const ray *	incident,
		vector *	N
	)

Definition at line 109 of file quadric.c.

References quadmatrix::a, quadmatrix::b, quadmatrix::c, quadric::ctr, quadmatrix::d, quadmatrix::e, quadmatrix::f, quadmatrix::g, quadmatrix::h, quadmatrix::i, quadric::mat, SQRT, and VDot().

Variable Documentation

quadric_methods

object_methods quadric_methods

static

Initial value:

= {
  (void (*)(const void *, void *))(quadric_intersect),
  (void (*)(const void *, const void *, const void *, void *))(quadric_normal),
  quadric_bbox, 
  free 
}

Definition at line 28 of file quadric.c.

Referenced by newquadric().