Urho3D::Frustum Class Reference

Convex constructed of 6 planes. More...

`#include <Urho3D/Math/Frustum.h>`

Collaboration diagram for Urho3D::Frustum:
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Public Member Functions

Frustum ()
Construct a degenerate frustum with all points at origin.

Frustum (const Frustum &frustum)
Copy-construct from another frustum.

Frustumoperator= (const Frustum &rhs)
Assign from another frustum.

void Define (float fov, float aspectRatio, float zoom, float nearZ, float farZ, const Matrix3x4 &transform=Matrix3x4::IDENTITY)
Define with projection parameters and a transform matrix.

void Define (const Vector3 &near, const Vector3 &far, const Matrix3x4 &transform=Matrix3x4::IDENTITY)
Define with near and far dimension vectors and a transform matrix.

void Define (const BoundingBox &box, const Matrix3x4 &transform=Matrix3x4::IDENTITY)
Define with a bounding box and a transform matrix.

void Define (const Matrix4 &projection)
Define from a projection or view-projection matrix.

void DefineOrtho (float orthoSize, float aspectRatio, float zoom, float nearZ, float farZ, const Matrix3x4 &transform=Matrix3x4::IDENTITY)
Define with orthographic projection parameters and a transform matrix.

void DefineSplit (const Matrix4 &projection, float near, float far)
Define a split (limited) frustum from a projection matrix, with near & far distances specified.

void Transform (const Matrix3 &transform)
Transform by a 3x3 matrix.

void Transform (const Matrix3x4 &transform)
Transform by a 3x4 matrix.

Intersection IsInside (const Vector3 &point) const
Test if a point is inside or outside.

Intersection IsInside (const Sphere &sphere) const
Test if a sphere is inside, outside or intersects.

Intersection IsInsideFast (const Sphere &sphere) const
Test if a sphere if (partially) inside or outside.

Intersection IsInside (const BoundingBox &box) const
Test if a bounding box is inside, outside or intersects.

Intersection IsInsideFast (const BoundingBox &box) const
Test if a bounding box is (partially) inside or outside.

float Distance (const Vector3 &point) const
Return distance of a point to the frustum, or 0 if inside.

Frustum Transformed (const Matrix3 &transform) const
Return transformed by a 3x3 matrix.

Frustum Transformed (const Matrix3x4 &transform) const
Return transformed by a 3x4 matrix.

Rect Projected (const Matrix4 &transform) const
Return projected by a 4x4 projection matrix.

void UpdatePlanes ()
Update the planes. Called internally.

Public Attributes

Plane planes_ [NUM_FRUSTUM_PLANES]
Frustum planes.

Vector3 vertices_ [NUM_FRUSTUM_VERTICES]
Frustum vertices.

Detailed Description

Convex constructed of 6 planes.

The documentation for this class was generated from the following files:
• Source/Urho3D/Math/Frustum.h
• Source/Urho3D/Math/Frustum.cpp