geom.c File Reference

#include "gluos.h"
#include <assert.h>
#include <k3d-platform-config.h>
#include <GL/glu.h>
#include "mesh.h"

Include dependency graph for geom.c:

This graph shows which files directly or indirectly include this file:

Defines
#define	RealInterpolate(a, x, b, y)
#define	Interpolate(a, x, b, y)   RealInterpolate(a,x,b,y)
#define	Swap(a, b)   if (1) { GLUvertex *t = a; a = b; b = t; } else
Functions
int	__gl_vertLeq (GLUvertex *u, GLUvertex *v)
GLdouble	__gl_edgeEval (GLUvertex *u, GLUvertex *v, GLUvertex *w)
GLdouble	__gl_edgeSign (GLUvertex *u, GLUvertex *v, GLUvertex *w)
GLdouble	__gl_transEval (GLUvertex *u, GLUvertex *v, GLUvertex *w)
GLdouble	__gl_transSign (GLUvertex *u, GLUvertex *v, GLUvertex *w)
int	__gl_vertCCW (GLUvertex *u, GLUvertex *v, GLUvertex *w)
void	__gl_edgeIntersect (GLUvertex *o1, GLUvertex *d1, GLUvertex *o2, GLUvertex *d2, GLUvertex *v)

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Define Documentation

#define Interpolate	(	a,
		x,
		b,
		y		)	RealInterpolate(a,x,b,y)

Referenced by __gl_edgeIntersect(), and module::animation::animation_track< double, k3d::matrix4 >::delete_key().

#define RealInterpolate	(	a,
		x,
		b,
		y		)

Value:

(a = (a < 0) ? 0 : a, b = (b < 0) ? 0 : b,    \
  ((a <= b) ? ((b == 0) ? ((x+y) / 2)     \
                        : (x + (y-x) * (a/(a+b))))  \
            : (y + (x-y) * (b/(a+b)))))

#define Swap	(	a,
		b		)	if (1) { GLUvertex *t = a; a = b; b = t; } else

Referenced by __gl_edgeIntersect(), and pqInit().

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Function Documentation

GLdouble __gl_edgeEval	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

References GLUvertex::s, GLUvertex::t, and VertLeq.

void __gl_edgeIntersect	(	GLUvertex *	o1,
		GLUvertex *	d1,
		GLUvertex *	o2,
		GLUvertex *	d2,
		GLUvertex *	v
	)

References EdgeEval, EdgeSign, Interpolate, GLUvertex::s, Swap, GLUvertex::t, TransEval, TransLeq, TransSign, and VertLeq.

Referenced by CheckForIntersect().

GLdouble __gl_edgeSign	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

References GLUvertex::s, GLUvertex::t, and VertLeq.

GLdouble __gl_transEval	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

References GLUvertex::s, GLUvertex::t, and TransLeq.

GLdouble __gl_transSign	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

References GLUvertex::s, GLUvertex::t, and TransLeq.

int __gl_vertCCW	(	GLUvertex *	u,
		GLUvertex *	v,
		GLUvertex *	w
	)

References GLUvertex::s, and GLUvertex::t.

int __gl_vertLeq	(	GLUvertex *	u,
		GLUvertex *	v
	)

References VertLeq.

Referenced by InitPriorityQ().