normal.c File Reference

#include "gluos.h"
#include "mesh.h"
#include "tess.h"
#include "normal.h"
#include <math.h>
#include <assert.h>

Include dependency graph for normal.c:

Macros
#define	ABS(x)   ((x) < 0 ? -(x) : (x))
#define	Dot(u, v)   (u[0]*v[0] + u[1]*v[1] + u[2]*v[2])
#define	FALSE   0
#define	S_UNIT_X   1.0
#define	S_UNIT_Y   0.0
#define	TRUE   1

Functions
void	__gl_projectPolygon (GLUtesselator *tess)
static void	CheckOrientation (GLUtesselator *tess)
static void	ComputeNormal (GLUtesselator *tess, GLdouble norm[3])
static int	LongAxis (GLdouble v[3])

Macro Definition Documentation

ABS

#define ABS

(

x

)

((x) < 0 ? -(x) : (x))

Definition at line 65 of file normal.c.

Dot

#define Dot	(		u,
			v )   (u[0]*v[0] + u[1]*v[1] + u[2]*v[2])

Definition at line 49 of file normal.c.

FALSE

#define FALSE   0

Definition at line 46 of file normal.c.

S_UNIT_X

#define S_UNIT_X   1.0

Definition at line 190 of file normal.c.

S_UNIT_Y

#define S_UNIT_Y   0.0

Definition at line 191 of file normal.c.

TRUE

#define TRUE   1

Definition at line 43 of file normal.c.

Function Documentation

__gl_projectPolygon()

void __gl_projectPolygon

(

GLUtesselator *

tess

)

Definition at line 198 of file normal.c.

CheckOrientation()

static void CheckOrientation ( GLUtesselator * tess )

static

Definition at line 141 of file normal.c.

ComputeNormal()

static void ComputeNormal ( GLUtesselator * tess, GLdouble norm[3] )

static

Definition at line 76 of file normal.c.

LongAxis()

static int LongAxis ( GLdouble v[3] )

static

Definition at line 67 of file normal.c.