[Fro1sha]

pawn Код:

#define PointToPoint3D2(%1,%2,%3,%4,%5,%6) floatsqroot(floatadd(floatadd(floatmul(floatsub(%1,%4),floatsub(%1,%4)),floatmul(floatsub(%2,%5),floatsub(%2,%5))),floatmul(floatsub(%3,%6),floatsub(%3,%6))))

#define PointToPoint3D4(%1,%2,%3,%4,%5,%6) floatsqroot((%1-%4)*(%1-%4)+(%2-%5)*(%2-%5)+(%3-%6)*(%3-%6))

stock Float:PointToPoint3D3( Float:X1, Float:Y1, Float:Z1, Float:X2, Float:Y2, Float:Z2 )
{
    new
        Float:X,
        Float:Y,
        Float:Z;

    X = floatsub( X1, X2 );
    Y = floatsub( Y1, Y2 );
    Z = floatsub( Z1, Z2 );
    X = floatmul( X, X );
    Y = floatmul( Y, Y );
    Z = floatmul( Z, Z );
    return floatsqroot( floatadd( floatadd( X, Y ), Z ) );
}

main
{
        new i, tick = GetTickCount(), Float:point;
        while ( i < 10000000)
        {
            point = PointToPoint3D3(10.0, 20.0, 30.0, 40.0, 50.0, 60.0);
            i++;
        }
        printf("1 Time %d | %f", GetTickCount() - tick, point);
        i = 0;
        tick = GetTickCount();
        while ( i < 10000000)
        {
            point = PointToPoint3D2(10.0, 20.0, 30.0, 40.0, 50.0, 60.0);
            i++;
        }
        printf("2 Time %d | %f", GetTickCount() - tick, point);
        i = 0;
        tick = GetTickCount();
        while ( i < 10000000)
        {
            point = PointToPoint3D4(10.0, 20.0, 30.0, 40.0, 50.0, 60.0);
            i++;
        }
        printf("3 Time %d | %f", GetTickCount() - tick, point);
}

Результаты:

Quote:

1 Time 6282 | 51.961524 2 Time 6433 | 51.961524 3 Time 7436 | 51.961524