Public Member Functions |
| | Frame () |
| | Default constructor -- performs no initialization!
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| | Frame (const Vector3f &s, const Vector3f &t, const Normal3f &n) |
| | Given a normal and tangent vectors, construct a new coordinate frame.
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| | Frame (const Vector3f &x, const Vector3f &y, const Vector3f &z) |
| | Construct a frame from the given orthonormal vectors.
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| | Frame (const Vector3f &n) |
| | Construct a new coordinate frame from a single vector.
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| Vector3f | toLocal (const Vector3f &v) const |
| | Convert from world coordinates to local coordinates.
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| Vector3f | toWorld (const Vector3f &v) const |
| | Convert from local coordinates to world coordinates.
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| bool | operator== (const Frame &frame) const |
| | Equality test.
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| bool | operator!= (const Frame &frame) const |
| | Inequality test.
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| QString | toString () const |
| | Return a human-readable string summary of this frame.
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Static Public Member Functions |
| static float | cosTheta (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the cosine of the angle between the normal and v.
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| static float | sinTheta (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the sine of the angle between the normal and v.
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| static float | tanTheta (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the tangent of the angle between the normal and v.
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| static float | sinTheta2 (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the squared sine of the angle between the normal and v.
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| static float | sinPhi (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the sine of the phi parameter in spherical coordinates.
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| static float | cosPhi (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the cosine of the phi parameter in spherical coordinates.
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| static float | sinPhi2 (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the squared sine of the phi parameter in spherical coordinates.
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| static float | cosPhi2 (const Vector3f &v) |
| | Assuming that the given direction is in the local coordinate system, return the squared cosine of the phi parameter in spherical coordinates.
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Public Attributes |
| Vector3f | s |
| Vector3f | t |
| Normal3f | n |
Stores a three-dimensional orthonormal coordinate frame.
This class is mostly used to quickly convert between different cartesian coordinate systems and to efficiently compute certain quantities (e.g. cosTheta(), tanTheta, ..).
Definition at line 33 of file frame.h.
1.7.3 
