The TerrainBounds class traverses the filtered mesh (see FilterIn) and outputs a bounding box in terrain-space for each mesh sector (see BoundsSectors), optionally clipped to the bounding box of the terrain and the view frustum.
sealed class
|
TerrainBounds
|
implements
|
IMeshBoundMinRadius
|
||
IMeshBoundMinSize
|
|||||
extends
|
MeshTraversal
|
The following vertex data semantics are used by this class:
The collected terrain mesh sector bounds.
public
property
|
BoundsSectors
{
get
set
}
|
||
type
|
BoxSoup
|
||
value
|
The box soup that receives the mesh sector bounds. |
The object that provides the current camera position.
public
property
|
CameraInfo
{
get
set
}
|
||
type
|
CameraInfo
|
||
value
|
|
The camera position provider. | |
implements
|
ICameraInfoDependent.CameraInfo
|
The mesh tree input filter to use for querying sector culling and marks.
public
property
|
FilterIn
{
get
set
}
|
||
type
|
MeshTreeFilter
|
||
value
|
The
filter
or
null . |
||
inherited
|
MeshTraversal.FilterIn
|
Remarks:
The
default
value
is
null
(i.e.
all
mesh
sectors
are
visited).
See also:
MeshTree.GetRootThe mesh tree output filter to use for performing sector culling and marking.
public
property
|
FilterOut
{
get
set
}
|
||
type
|
MeshTreeFilter
|
||
value
|
The mesh tree filter object. | ||
inherited
|
MeshTraversal.FilterOut
|
Remarks:
This MeshTreeFilter is not reset automatically. The application is responsible to call Reset.
The
default
value
is
null
(i.e.
the
input
filter
is
used
in
that
case).
See also:
MeshTree.SectorCullOptional view frustum to use.
public
property
|
Frustum
{
get
set
}
|
||
type
|
IFrustum
|
||
value
|
|
The view frustum. |
Has this object been bound to an IMesh object?
public
property
|
HasMesh
{
get
}
|
||
type
|
bool
|
||
value
|
true
if
this
object
is
currently
bound
to
an
IMesh,
false
if
not.
|
||
inherited
|
MeshBoundBase.HasMesh
|
The CLOD mesh this object is currently bound to.
public
property
|
Mesh
{
get
}
|
||
type
|
IMesh
|
||
value
|
The
CLOD
mesh
or
null . |
||
inherited
|
MeshBoundBase.Mesh
|
The mesh sector quadtree is traversed until the bounding sphere radius of a mesh sector falls below this limit.
public
property
|
MinRadius
{
get
set
}
|
||
type
|
float32
|
||
value
|
|
The minimum bounding sphere radius, in terrain-space. | |
implements
|
IMeshBoundMinRadius.MinRadius
|
Remarks:
The
default
value
is
0
(i.e.
the
entire
mesh
is
traversed).
The mesh sector quadtree is traversed until the projected screen-size of a mesh sector falls below this limit.
public
property
|
MinSize
{
get
set
}
|
||
type
|
float32
|
||
value
|
|
Minimum sector size, in screen-space. | |
implements
|
IMeshBoundMinSize.MinSize
|
Remarks:
This value is the square root of the approximated pixel area of the mesh sector on the screen.
The
default
value
is
256.0f
pixels.
Vertical offset to apply to generated terrain bounding boxes.
public
property
|
Offset
{
get
set
}
|
||
type
|
float32
|
||
value
|
|
The vertical offset, in screen-pixels. |
Remarks:
Defaults
to
16
.
The filtered MeshTree of this mesh traversal object.
public
property
|
Tree
{
get
}
|
||
type
|
MeshTree
|
||
value
|
|
The
filtered
MeshTree
object
or
null
if
this
object
is
not
bound.
|
|
inherited
|
MeshTraversal.Tree
|
The current viewport object.
public
property
|
Viewport
{
get
set
}
|
||
type
|
Viewport
|
||
value
|
|
The viewport object. | |
implements
|
IViewportDependent.Viewport
|
Creates a new instance of TerrainBounds.
public
constructor
|
TerrainBounds
()
|
Computes the terrain bounds for the current mesh.
public
method
|
Compute
(TerrainBoundsDelegate bounds = null)
|
||
params
|
bounds
|
Callback
to
use
for
collecting
additional
bounding
boxes
for
the
terrain
bounds.
Defaults
to
null .
|
Remarks:
If not bound to a mesh, only the given additional bounds are used to compute the terrain bounds.
See also:
BoundsSectorsBinds this object to the given IMesh.
public
override
method
|
MeshBind
(IMesh mesh)
|
||
params
|
mesh
|
The mesh object. | |
overrides
|
MeshTraversal.MeshBind
|
Unbinds this object from its current IMesh.
public
override
method
|
MeshUnbind
()
|
||
overrides
|
MeshBoundBase.MeshUnbind
|
Visits the given mesh root sectors.
public
method
|
VisitFaces
(CubemapFace meshFace = CubemapFace.All)
|
||
params
|
meshFace
|
The mesh face to traverse. Defaults to All. | |
inherited
|
MeshTraversal.VisitFaces
|
Visits a quadrant of the given mesh sector on the current face, assuming that the corresponding child mesh sector does not exist.
public
override
method
|
VisitQuadrant
(int32 sector,
int32 childIdx)
|
||
params
|
sector
|
Index of center vertex of sector to visit. | |
childIdx
|
Index of non-existing child sector in sector. | ||
implements
|
MeshTraversal.VisitQuadrant
|
Remarks:
The quadtree data structure for visiting the given sector can be obtained by getting the Tree property of the current mesh (see MeshBind.
Visits the given mesh sector on the current face.
public
override
method
|
VisitSector
(int32 sector)
|
||
params
|
sector
|
Index of center vertex of sector to visit. | |
implements
|
MeshTraversal.VisitSector
|
Remarks:
The quadtree data structure for visiting the given sector can be obtained by getting the Tree property of the current mesh (see MeshBind.