RAYTRACE.C File Reference

Go to the source code of this file.

Defines
#define	MODULE_TRACE
#define	UC   unsigned short
#define	US   unsigned long
#define	THRESHOLDF   25
#define	THRESHOLDR   8
#define	IN_PLANE(point, plane)   (point == plane)
#define	IN_LESS_VOXEL(point, plane)   (point < plane)
#define	IN_GREATER_VOXEL(point, plane)   (point > plane)
#define	IN_LESS_EQUAL_VOXEL(point, plane)   (point <= plane)
#define	IN_GREATER_EQUAL_VOXEL(point, plane)   (point >= plane)
#define	TOL   0.00001
Typedefs
typedef struct traceNODE	node
	Define a node in the ray-tracing optimiser.
Functions
short	R_terminator (void)
int	buildBST (void)
void	freeBST (void)
short	check_for_shadow (long obj, vector p, vector natp)
BOOL	trace_starting_ray (vector d, vector p, int *ob, int *fc, face **ff)
short	trace_reflection_ray (vector p, vector d, double depth_max, double *colour, int at_o, face *at_f, long trace_reflection_depth, long trace_refraction_depth, long refractive_flag)
void	trace_transmission_ray (vector p, vector d, vector n, int at_o, face *at_f, double depth_max, double *colour, long trace_reflection_depth, long trace_refraction_depth, long refractive_flag)
void	trace_refraction_ray (vector p, vector d, vector n, int at_o, face *at_f, double depth_max, double *colour, int refx, long trace_reflection_depth, long trace_refraction_depth, long refractive_flag)

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Define Documentation

#define MODULE_TRACE

Definition at line 1 of file RAYTRACE.C.

#define UC   unsigned short

Definition at line 9 of file RAYTRACE.C.

Referenced by buildBST(), and Mirror_In_Ground().

#define US   unsigned long

Definition at line 10 of file RAYTRACE.C.

Referenced by buildBST(), and Mirror_In_Ground().

#define THRESHOLDF   25

Definition at line 30 of file RAYTRACE.C.

#define THRESHOLDR   8

Definition at line 31 of file RAYTRACE.C.

#define IN_PLANE	(	point,
		plane		)	(point == plane)

Definition at line 149 of file RAYTRACE.C.

#define IN_LESS_VOXEL	(	point,
		plane		)	(point < plane)

Definition at line 150 of file RAYTRACE.C.

#define IN_GREATER_VOXEL	(	point,
		plane		)	(point > plane)

Definition at line 151 of file RAYTRACE.C.

#define IN_LESS_EQUAL_VOXEL	(	point,
		plane		)	(point <= plane)

Definition at line 152 of file RAYTRACE.C.

#define IN_GREATER_EQUAL_VOXEL	(	point,
		plane		)	(point >= plane)

Definition at line 153 of file RAYTRACE.C.

#define TOL   0.00001

Definition at line 639 of file RAYTRACE.C.

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Function Documentation

int buildBST

(

void

)

Definition at line 426 of file RAYTRACE.C.

References BIGN, BIGP, CROSS, FAIL, Renderer_TVERTEX_tag::ip, Animator_NODE::last, max, min, normalize, Object, Render_Message(), trace_depth, trace_face_count_target, UC, US, VECCOPY, VECSUB, WindowedRenderInfo(), X__Free, and X__Malloc.

void freeBST

(

void

)

Definition at line 554 of file RAYTRACE.C.

References Object, and X__Free.

Referenced by render().

short check_for_shadow	(	long	obj,
		vector	p,
		vector	natp
	)

Definition at line 740 of file RAYTRACE.C.

References DOT, double, DUMMYL, FALSE, Lights, Nlights, NOSHADOW, SPOTLIGHT, type, VECCOPY, VECSCALE, and VECSUB.

Referenced by GetPixelValue().

BOOL trace_starting_ray	(	vector	d,
		vector	p,
		int *	ob,
		int *	fc,
		face **	ff
	)

Definition at line 816 of file RAYTRACE.C.

References double, FALSE, FARAWAY, Object, TRUE, and VECSCALE.

Referenced by GetRowPixelValue().

short trace_reflection_ray	(	vector	p,
		vector	d,
		double	depth_max,
		double *	colour,
		int	at_o,
		face *	at_f,
		long	trace_reflection_depth,
		long	trace_refraction_depth,
		long	refractive_flag
	)

Definition at line 834 of file RAYTRACE.C.

References GetSurfaceValue(), Object, and VECSUM.

Referenced by GetMirrorValues().

void trace_transmission_ray	(	vector	p,
		vector	d,
		vector	n,
		int	at_o,
		face *	at_f,
		double	depth_max,
		double *	colour,
		long	trace_reflection_depth,
		long	trace_refraction_depth,
		long	refractive_flag
	)

Definition at line 870 of file RAYTRACE.C.

References GetSurfaceValue(), Object, and VECSUM.

Referenced by GetPixelValue().

void trace_refraction_ray	(	vector	p,
		vector	d,
		vector	n,
		int	at_o,
		face *	at_f,
		double	depth_max,
		double *	colour,
		int	refx,
		long	trace_reflection_depth,
		long	trace_refraction_depth,
		long	refractive_flag
	)

Definition at line 911 of file RAYTRACE.C.

References dot(), DOT, double, EOPAQUE, GetGroundLight(), GetSurfaceValue(), Ground, MapEnvironmentInDirection(), MapFromProjection(), Renderer_GROUND_tag::n, Object, Renderer_GROUND_tag::p, R_Nground, Sky, SKYCUBE, SKYMAPPED, TILE, Animator_SKY::type, vecscale(), VECSCALE, vecsub(), VECSUB, vecsum(), and VECSUM.

Referenced by GetPixelValue().