Simple 3D movement simulation. More...

#include "n_log.h"
#include "n_common.h"
#include <sys/time.h>

Include dependency graph for n_3d.h:

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Data Structures
struct	PHYSICS
	structure of the physics of an object More...

Macros
#define	copy_point(__src_, __dst_) memcpy(__dst_, __src_, sizeof(VECTOR3D));
	VECTOR3D copy wrapper.

#define	MOVE_INTER 1
	PHYSICS object state for move interpolated between two position.

#define	MOVE_SIMU 2
	PHYSICS object state for move simulated from latest update.

#define	MOVE_STOPPED 0
	PHYSICS object state for STOPPED.

#define	VECTOR3D_COLLINEAR -1
	value when the two VECTOR3D are collinear

#define	VECTOR3D_DO_INTERSECT 0
	value when the two VECTOR3D are intersecting

#define	VECTOR3D_DONT_INTERSECT -2
	value when the two VECTOR3D are not connected

#define	VECTOR3D_SET(VECTOR, X, Y, Z)
	helper to set a VECTOR3D position

Functions
double	distance (VECTOR3D p1, VECTOR3D p2)
	compute the distance between two VECTOR3D points

int	update_physics_position (PHYSICS *object, double delta_t)
	Update object position, reversed.

int	update_physics_position_nb (PHYSICS *object, int it, double delta_t)
	Update object position component.

int	update_physics_position_reverse (PHYSICS *object, double delta_t)
	Update object position, reversed.

int	update_physics_position_reverse_nb (PHYSICS *object, int it, double delta_t)
	Update object position component, reversed.

double	vector_angle_between (VECTOR3D vec1, VECTOR3D vec2)
	Compute angle between two VECTOR3D.

double	vector_dot_product (VECTOR3D vec1, VECTOR3D vec2)
	Compute the dot product of two VECTOR3D.

int	vector_intersect (VECTOR3D p0, VECTOR3D p1, VECTOR3D p2, VECTOR3D p3, VECTOR3D *px)
	Compute if two vectors are intersecting or not.

double	vector_normalize (VECTOR3D *vec)
	Return the normalized value of vec.

Detailed Description

Simple 3D movement simulation.

Definition in file n_3d.h.

Data Structures