apigeom.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "tachyon.h"

Go to the source code of this file.

Functions
void	VNorm (apivector *)
void	rt_polycylinder (SceneHandle scene, void *tex, apivector *points, int numpts, flt rad)
	Define a sequence of connected cylinders. More...
void	rt_polycylinder3fv (SceneHandle scene, void *tex, const float *points, int numpts, float rad)
	Define a sequence of connected cylinders. More...
void	rt_heightfield (SceneHandle scene, void *tex, apivector ctr, int m, int n, flt *field, flt wx, flt wy)
	Define an axis-aligned height field. More...
static void	rt_sheightfield (SceneHandle scene, void *tex, apivector ctr, int m, int n, flt *field, flt wx, flt wy)
static void	adjust (flt *base, int xres, int yres, flt wx, flt wy, int xa, int ya, int x, int y, int xb, int yb, unsigned int *rndval)
static void	subdivide (flt *base, int xres, int yres, flt wx, flt wy, int x1, int y1, int x2, int y2, unsigned int *rndval)
void	rt_landscape (SceneHandle scene, void *tex, int m, int n, apivector ctr, flt wx, flt wy)
	Define an auto-generated height field. More...

Function Documentation

adjust()

static void adjust ( flt *  base, int  xres, int  yres, flt  wx, flt  wy, int  xa, int  ya, int  x, int  y, int  xb, int  yb, unsigned int *  rndval  )

static

Definition at line 180 of file apigeom.c.

References rt_rand(), RT_RAND_MAX_INV, and SQRT.

Referenced by subdivide().

rt_heightfield()

void rt_heightfield	(	SceneHandle	,
		void *	tex,
		apivector	center,
		int	m,
		int	n,
		flt *	field,
		flt	wx,
		flt	wy
	)

Define an axis-aligned height field.

Definition at line 70 of file apigeom.c.

References rt_tri(), apivector::x, apivector::y, and apivector::z.

rt_landscape()

void rt_landscape	(	SceneHandle	,
		void *	tex,
		int	m,
		int	n,
		apivector	center,
		flt	wx,
		flt	wy
	)

Define an auto-generated height field.

Definition at line 225 of file apigeom.c.

References rt_rand(), RT_RAND_MAX_INV, rt_sheightfield(), and subdivide().

Referenced by GetLandScape().

rt_polycylinder()

void rt_polycylinder	(	SceneHandle	,
		void *	tex,
		apivector *	points,
		int	numpoints,
		flt	radius
	)

Define a sequence of connected cylinders.

Definition at line 20 of file apigeom.c.

References rt_fcylinder(), rt_sphere(), apivector::x, apivector::y, and apivector::z.

Referenced by GetPolyCylinder().

rt_polycylinder3fv()

void rt_polycylinder3fv	(	SceneHandle	,
		void *	tex,
		const float *	points,
		int	numpoints,
		float	radius
	)

Define a sequence of connected cylinders.

Definition at line 44 of file apigeom.c.

References rt_fcylinder3fv(), and rt_sphere3fv().

rt_sheightfield()

static void rt_sheightfield ( SceneHandle  scene, void *  tex, apivector  ctr, int  m, int  n, flt *  field, flt  wx, flt  wy  )

static

Definition at line 114 of file apigeom.c.

References rt_stri(), rt_vector(), VNorm(), apivector::x, apivector::y, and apivector::z.

Referenced by rt_landscape().

subdivide()

static void subdivide ( flt *  base, int  xres, int  yres, flt  wx, flt  wy, int  x1, int  y1, int  x2, int  y2, unsigned int *  rndval  )

static

Definition at line 199 of file apigeom.c.

References adjust().

Referenced by rt_landscape().

VNorm()

void VNorm

(

apivector *

)

Referenced by box_normal(), cam_orthographic_dof_ray(), cam_perspective_dof_ray(), camera_init(), cameraposition(), ext_volume_texture(), fcylinder_intersect(), newplane(), newring(), par_volume_texture(), quadric_intersect(), rt_directional_light(), rt_sheightfield(), rt_spotlight(), and shade_phong().