intersection.c File Reference

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

Include dependency graph for intersection.c:

Go to the source code of this file.

Macros
#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 void	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 int	windowcoords (eusfloat_t x, eusfloat_t y, eusfloat_t z, eusfloat_t w, wc)

Macro Definition 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 void 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 int windowcoords ( eusfloat_t  x, eusfloat_t  y, eusfloat_t  z, eusfloat_t  w, wc    )

static

Definition at line 181 of file intersection.c.