njCollisionCheckBB Japanese
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Checks Collision for 2 Hexahedron

FORMAT

#include <Ninja.h>
Int njCollisionCheckBB(*h1, *h2)
NJS_BOX *h1
NJS_BOX *h2

PARAMETERS

*h1
Hexahedron object #1 to be collision checked
*h2
Hexahedron object #2 to be collision checked

RETURN VALUE

1: Hit
0: Not hit

ERROR VALUE

None

FUNCTION

Checks collision for two hexahedrons.

EXAMPLE

Check collision for two hexahedron h1 and h2:
NJS_BOX h1, h2;

h1.v[0].x = -150.f; h1.v[0].y =  100.f; h1.v[0].z =  100;
h1.v[1].x = -150.f; h1.v[1].y =  100.f; h1.v[1].z = -100;
h1.v[2].x =   50.f; h1.v[2].y =  100.f; h1.v[2].z = -100;
h1.v[3].x =   50.f; h1.v[3].y =  100.f; h1.v[3].z =  100;
h1.v[4].x = -150.f; h1.v[4].y = -100.f; h1.v[4].z =  100;
h1.v[5].x = -150.f; h1.v[5].y = -100.f; h1.v[5].z = -100;
h1.v[6].x =   50.f; h1.v[6].y = -100.f; h1.v[6].z = -100;
h1.v[7].x =   50.f; h1.v[7].y = -100.f; h1.v[7].z =  100;

h2.v[0].x =  -50.f; h2.v[0].y =  100.f; h2.v[0].z =  100;
h2.v[1].x =  -50.f; h2.v[1].y =  100.f; h2.v[1].z = -100;
h2.v[2].x =  150.f; h2.v[2].y =  100.f; h2.v[2].z = -100;
h2.v[3].x =  150.f; h2.v[3].y =  100.f; h2.v[3].z =  100;
h2.v[4].x =  -50.f; h2.v[4].y = -100.f; h2.v[4].z =  100;
h2.v[5].x =  -50.f; h2.v[5].y = -100.f; h2.v[5].z = -100;
h2.v[6].x =  150.f; h2.v[6].y = -100.f; h2.v[6].z = -100;
h2.v[7].x =  150.f; h2.v[7].y = -100.f; h2.v[7].z =  100;

njCollisionCheckBB(&h1, &h2);

Result
Return value: 1

NOTES

NJS_BOX structure (box type)
typedef struct{
    NJS_POINT3 v[8]; /* hexahedron vertex list */
} NJS_BOX;
Corresponding vertices with the vertex list index

RELATED TOPICS


njCollisionCheckBB
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Copyright SEGA ENTERPRISES, LTD., 1997