public static void DrawWireCube([NotNull] this OrientedBoundingBox box)
{
if (box == null)
{
throw new ArgumentNullException(nameof(box));
}
var p0 = box.CornerPoint(0);
var p1 = box.CornerPoint(1);
var p2 = box.CornerPoint(2);
var p3 = box.CornerPoint(3);
var p4 = box.CornerPoint(4);
var p5 = box.CornerPoint(5);
var p6 = box.CornerPoint(6);
var p7 = box.CornerPoint(7);
var points = new[]
{
p0, p2, p6, p4, p0,
p1, p3, p7, p5, p1
};
Handles.DrawPolyLine(points);
Handles.DrawLine(p2, p3);
Handles.DrawLine(p6, p7);
Handles.DrawLine(p4, p5);
}
public static OrientedBoundingBox BruteEnclosing(Vector3[] points)
{
var axis = new Vector3[3];
NativeMethods.obb_brute_enclosing(points, points.Length, out var center, out var extent, axis);
var box = new OrientedBoundingBox(center, extent, axis[0], axis[1], axis[2]);
return(box);
}
public static extern void obb_face_plane(
[In][Out] OrientedBoundingBox box,
int index, out Plane plane
);
public static extern void obb_random_point_on_surface(
[In] OrientedBoundingBox box,
LCG rng,
out Vector3 outVec
);
public static extern bool obb_intersects_ray(
[In][Out] OrientedBoundingBox box,
Ray other
);
public static extern bool obb_intersects_obb(
[In][Out] OrientedBoundingBox box,
OrientedBoundingBox other
);
public static extern bool obb_contains_point(
[In][Out] OrientedBoundingBox box,
Vector3 other
);
public static extern void obb_enclose(
[In][Out] OrientedBoundingBox box,
Vector3 point
);
public static extern void obb_translate(
[In][Out] OrientedBoundingBox box,
Vector3 offset
);
public static extern void obb_scale(
[In][Out] OrientedBoundingBox box,
Vector3 center, Vector3 factor
);
public static extern void obb_face_point(
[In][Out] OrientedBoundingBox box,
int index, float u, float v, out Vector3 point
);
public static extern void obb_corner_point(
[In][Out] OrientedBoundingBox box,
int index, out Vector3 point
);
public static extern bool obb_is_degenerate(
[In][Out] OrientedBoundingBox box
);
public static extern bool obb_is_finite(
[In][Out] OrientedBoundingBox box
);
public bool Contains(OrientedBoundingBox other)
{
return(NativeMethods.obb_contains_obb(this, other));
}
public bool Intersects(OrientedBoundingBox other)
{
return(NativeMethods.obb_intersects_obb(this, other));
}
public static extern float obb_distance(
[In][Out] OrientedBoundingBox box,
Vector3 point
);
public static extern void obb_point_inside(
[In][Out] OrientedBoundingBox box,
float x, float y, float z, out Vector3 point
);
public static extern void obb_point_on_edge(
[In][Out] OrientedBoundingBox box,
int index, float u, out Vector3 point
);
public static extern bool obb_contains_obb(
[In][Out] OrientedBoundingBox box,
OrientedBoundingBox other
);
public static extern void obb_edge(
[In][Out] OrientedBoundingBox box,
int index, out Line segment
);
public static extern bool obb_intersects_line_segment(
[In][Out] OrientedBoundingBox box,
Line other
);
public static extern void obb_world_to_local(
[In][Out] OrientedBoundingBox box,
out Matrix3X4 local
);
public static extern bool obb_intersects_plane(
[In][Out] OrientedBoundingBox box,
Plane other
);
public static extern void obb_local_to_world(
[In][Out] OrientedBoundingBox box,
out Matrix3X4 world
);