intersection.c File Reference

#include "../c/eus.h"

Include dependency graph for intersection.c:

Go to the source code of this file.

Defines
#define	clipcode(x, y, z)
Functions
static eusfloat_t *	crossproduct (eusfloat_t *a, eusfloat_t *b, eusfloat_t *r)
static eusfloat_t	determinant3 (eusfloat_t *a, eusfloat_t *b, eusfloat_t *c)
pointer	HOMO2NORMAL (context *ctx, int n, argv)
pointer	HOMO_VPCLIP (context *ctx, int n, argv)
pointer	HOMOGENIZE (context *ctx, int n, argv)
static	init_object_module ()
pointer	intersection ()
pointer	intersection (context *ctx, int n, argv)
pointer	LINEINTERSECTION (context *ctx, int n, argv)
pointer	LINEINTERSECTION3 (context *ctx, int n, argv)
pointer	makefvector ()
pointer	VPCLIP (context *ctx, int n, argv)
static	windowcoords (eusfloat_t x, eusfloat_t y, eusfloat_t z, eusfloat_t w, wc)

---

Define Documentation

#define clipcode	(		x,
			y,
			z
	)

Value:

(((x)<-(z))?1:(((x)>(z))?2:0))\
                         + (((y)<-(z))?4:(((y)>(z))?8:0))

Definition at line 132 of file intersection.c.

---

Function Documentation

static eusfloat_t* crossproduct	(	eusfloat_t *	a,
		eusfloat_t *	b,
		eusfloat_t *	r
	)		[static]

Definition at line 77 of file intersection.c.

static eusfloat_t determinant3	(	eusfloat_t *	a,
		eusfloat_t *	b,
		eusfloat_t *	c
	)		[static]

Definition at line 71 of file intersection.c.

pointer HOMO2NORMAL	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 236 of file intersection.c.

pointer HOMO_VPCLIP	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 191 of file intersection.c.

pointer HOMOGENIZE	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 254 of file intersection.c.

static init_object_module

(

)

[static]

Definition at line 15 of file intersection.c.

pointer intersection

(

)

pointer intersection	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 277 of file intersection.c.

pointer LINEINTERSECTION	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 18 of file intersection.c.

pointer LINEINTERSECTION3	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 85 of file intersection.c.

pointer makefvector

(

)

pointer VPCLIP	(	context *	ctx,
		int	n,
		argv
	)

Definition at line 134 of file intersection.c.

static windowcoords	(	eusfloat_t	x,
		eusfloat_t	y,
		eusfloat_t	z,
		eusfloat_t	w,
		wc
	)		[static]

Definition at line 181 of file intersection.c.