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Diffstat (limited to 'externals/g3dlite/G3D/Box.h')
| -rw-r--r-- | externals/g3dlite/G3D/Box.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/externals/g3dlite/G3D/Box.h b/externals/g3dlite/G3D/Box.h deleted file mode 100644 index 82af9125b05..00000000000 --- a/externals/g3dlite/G3D/Box.h +++ /dev/null @@ -1,195 +0,0 @@ -/** - @file Box.h - - Box class - - @maintainer Morgan McGuire, http://graphics.cs.williams.edu - - @cite Portions based on Dave Eberly's Magic Software Library at <A HREF="http://www.magic-software.com">http://www.magic-software.com</A> - @created 2001-06-02 - @edited 2007-06-05 - - Copyright 2000-2006, Morgan McGuire. - All rights reserved. - */ - -#ifndef G3D_BOX_H -#define G3D_BOX_H - -#include "G3D/platform.h" -#include "G3D/Vector3.h" -#include "G3D/Array.h" -#include "G3D/Plane.h" - -namespace G3D { - -class CoordinateFrame; - -/** - An arbitrary 3D box, useful as a bounding box. - - - To construct a box from a coordinate frame, center and extent, use the idiom: - - <CODE>Box box = cframe.toObjectSpace(Box(center - extent/2, center + extent/2));</CODE> - */ -class Box { -private: - - static int32 dummy; - - friend class CoordinateFrame; - - /** - <PRE> - 3 2 7 6 - - 0 1 4 5 - - front back (seen through front) - </PRE> - */ - Vector3 _corner[8]; - - /** - Unit axes. - */ - Vector3 _axis[3]; - - Vector3 _center; - - /** - Extent along each axis. - */ - Vector3 _extent; - - float _area; - float _volume; - - void init( - const Vector3& min, - const Vector3& max); - -public: - - /** - Does not initialize the fields. - */ - Box(); - - /** - Constructs a box from two opposite corners. - */ - Box( - const Vector3& min, - const Vector3& max); - - static Box inf(); - - Box(class BinaryInput& b); - - Box(const class AABox& b); - - void serialize(class BinaryOutput& b) const; - void deserialize(class BinaryInput& b); - - /** - Returns the object to world transformation for - this box. localFrame().worldToObject(...) takes - objects into the space where the box axes are - (1,0,0), (0,1,0), (0,0,1). Note that there - is no scaling in this transformation. - */ - CoordinateFrame localFrame() const; - - void getLocalFrame(CoordinateFrame& frame) const; - - /** - Returns the centroid of the box. - */ - inline Vector3 center() const { - return _center; - } - - - inline Vector3 corner(int i) const { - debugAssert(i < 8); - return _corner[i]; - } - - /** - Unit length. - */ - inline Vector3 axis(int a) const { - debugAssert(a < 3); - return _axis[a]; - } - - /** - Distance from corner(0) to the next corner - along the box's local axis a. - */ - inline float extent(int a) const { - debugAssert(a < 3); - return (float)_extent[a]; - } - - inline Vector3 extent() const { - return _extent; - } - - /** - Returns the four corners of a face (0 <= f < 6). - The corners are returned to form a counter clockwise quad facing outwards. - */ - void getFaceCorners( - int f, - Vector3& v0, - Vector3& v1, - Vector3& v2, - Vector3& v3) const; - - - /** - See AABox::culledBy - */ - bool culledBy - ( - const Array<Plane>& plane, - int32& cullingPlaneIndex, - const uint32 testMask, - uint32& childMask) const; - - /** - Conservative culling test that does not produce a mask for children. - */ - bool culledBy - ( - const Array<Plane>& plane, - int32& cullingPlaneIndex = dummy, - const uint32 testMask = -1) const; - - bool contains( - const Vector3& point) const; - - float area() const; - - float volume() const; - - void getRandomSurfacePoint(Vector3& P, Vector3& N = Vector3::ignore()) const; - - /** - Uniformly distributed on the interior (includes surface) - */ - Vector3 randomInteriorPoint() const; - - void getBounds(class AABox&) const; - - bool isFinite() const { - return G3D::isFinite(_volume); - } -}; - -} - -#endif |