n_3d.h File Reference

Simple 3D movement simulation. More...

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

Typedefs
typedef double	VECTOR3D[3]
	struct of a point

Functions
double	distance (VECTOR3D *p1, VECTOR3D *p2)
	distance between two points
int	update_physics_position (PHYSICS *object, double delta_t)
	update the position of an object, using the delta time T to update positions
int	update_physics_position_nb (PHYSICS *object, int it, double delta_t)
	update component[ it ] of a VECTOR3D
int	update_physics_position_reverse (PHYSICS *object, double delta_t)
	update the position of an object, using the delta time T to reverse update positions
int	update_physics_position_reverse_nb (PHYSICS *object, int it, double delta_t)
	update component[ it ] of a VECTOR3D, reversed time
double	vector_angle_between (VECTOR3D *vec1, VECTOR3D *vec2)
	vector angle with other vector
double	vector_dot_product (VECTOR3D *vec1, VECTOR3D *vec2)
	dot product
int	vector_intersect (VECTOR3D *p0, VECTOR3D *p1, VECTOR3D *p2, VECTOR3D *p3, VECTOR3D *px)
	compute if two vector are colliding, storing the resulting point in px
double	vector_normalize (VECTOR3D *vec)
	vector normalize

Detailed Description

Simple 3D movement simulation.

Author

Castagnier Mickael

Version

1.0

Date

30/04/2014

Definition in file n_3d.h.