Ocean::TriangleT3< T > Class Template Reference
This class implements a 3D triangle. More...
Inheritance diagram for Ocean::TriangleT3< T >:
Public Member Functions | |
| TriangleT3 () | |
| Creates a new triangle object with default parameters. More... | |
| TriangleT3 (const VectorT3< T > &point0, const VectorT3< T > &point1, const VectorT3< T > &point2) | |
| Creates a new triangle object by three given corners. More... | |
| const VectorT3< T > & | point0 () const |
| Returns the first point of this triangle. More... | |
| const VectorT3< T > & | point1 () const |
| Returns the second point of this triangle. More... | |
| const VectorT3< T > & | point2 () const |
| Returns the third point of this triangle. More... | |
| VectorT3< T > | barycentric2cartesian (const VectorT3< T > &barycentric) const |
| Returns the 3D cartesian coordinate of a given barycentric coordinate defined in relation to this triangle. More... | |
| bool | hasIntersection (const LineT3< T > &ray) const |
| Returns whether a given ray has an intersection with this triangle. More... | |
| bool | intersection (const LineT3< T > &ray, VectorT3< T > &point, T &distance) const |
| Returns whether a given ray has an intersection with this triangle and determines the intersection point. More... | |
| bool | intersection (const LineT3< T > &ray, VectorT3< T > &point, VectorT3< T > &barycentric, T &distance) const |
| Returns whether a given ray has an intersection with this triangle and determines the intersection point. More... | |
| bool | intersection (const LineT3< T > &ray, LineT3< T > &reflection, T &distance) const |
| Returns whether a given ray has an intersection with this triangle and determines the reflective ray starting at the intersection point. More... | |
| bool | intersection (const LineT3< T > &ray, LineT3< T > &reflection, T &distance, VectorT3< T > &normal) const |
| Returns whether a given ray has an intersection with this triangle and determines the reflective ray starting at the intersection point. More... | |
| bool | frontIntersection (const LineT3< T > &ray, const VectorT3< T > &normal, LineT3< T > &reflection, T &distance) const |
| Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point. More... | |
| bool | frontIntersection (const LineT3< T > &ray, const VectorT3< T > &normal0, const VectorT3< T > &normal1, const VectorT3< T > &normal2, LineT3< T > &reflection, T &distance) const |
| Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point. More... | |
| bool | frontIntersection (const LineT3< T > &ray, const VectorT3< T > &normal0, const VectorT3< T > &normal1, const VectorT3< T > &normal2, LineT3< T > &reflection, T &distance, VectorT3< T > &normal) const |
| Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point. More... | |
| bool | planeIntersection (const LineT3< T > &ray, VectorT3< T > &barycentric) const |
| Returns the intersection point with a given ray and a plane that is spanned by this triangle. More... | |
| bool | isValid () const |
| Returns whether this triangle is valid. More... | |
| const VectorT3< T > & | operator[] (const unsigned int index) const |
| Returns individual triangle corners. More... | |
| TriangleT3< T > | operator+ (const VectorT3< T > &offset) const |
| Shifts the triangle by a given 3D vector (by adding the vector to all three corners of the triangle). More... | |
| TriangleT3< T > & | operator+= (const VectorT3< T > &offset) |
| Shifts the triangle by a given 3D vector (by adding the vector to all three corners of the triangle). More... | |
| TriangleT3< T > | operator- (const VectorT3< T > &offset) const |
| Shifts the triangle by a given 3D vector (by subtracting the vector from all three corners of the triangle). More... | |
| TriangleT3< T > & | operator-= (const VectorT3< T > &offset) |
| Shifts the triangle by a given 3D vector (by subtracting the vector from all three corners of the triangle). More... | |
Private Attributes | |
| VectorT3< T > | trianglePoints [3] |
| Three triangle points. More... | |
Additional Inherited Members | |
 Static Public Member Functions inherited from Ocean::TriangleT< T > | |
| static bool | isBarycentricInside (const VectorT3< T > &barycentricPoint) |
| Returns whether a given point, specified as barycentric coordinate, lies inside a triangle. More... | |
| static bool | isValidBarycentric (const VectorT3< T > &barycentric, const T &epsilon=NumericT< T >::eps()) |
| Returns whether the a barycentric coordinate is valid. More... | |
Detailed Description
template<typename T>
class Ocean::TriangleT3< T >
This class implements a 3D triangle.
- See also
- Triangle2.
Constructor & Destructor Documentation
◆ TriangleT3() [1/2]
template<typename T >
|
inline |
Creates a new triangle object with default parameters.
◆ TriangleT3() [2/2]
template<typename T >
|
inline |
Creates a new triangle object by three given corners.
- Parameters
-
point0 First triangle point point1 Second triangle point point2 Third triangle point
Member Function Documentation
◆ barycentric2cartesian()
template<typename T >
|
inline |
Returns the 3D cartesian coordinate of a given barycentric coordinate defined in relation to this triangle.
- Parameters
-
barycentric Barycentric coordinate to convert to a cartesian coordinate
- Returns
- Cartesian coordinate
◆ frontIntersection() [1/3]
template<typename T >
|
inline |
Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point.
An explicit reflection normal is used.
- Parameters
-
ray Ray to determine whether an intersection occurs normal Reflection normal reflection Resulting reflection ray, if an intersection occurs distance Resulting intersection distance
- Returns
- True, if so
◆ frontIntersection() [2/3]
template<typename T >
|
inline |
Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point.
The reflection normal is determined by interpolation of the given three point normals.
- Parameters
-
ray Ray to determine whether an intersection occurs normal0 Normal of the first triangle point normal1 Normal of the second triangle point normal2 Normal of the third triangle point reflection Resulting reflection ray, if an intersection occurs distance Resulting intersection distance
- Returns
- True, if so
◆ frontIntersection() [3/3]
template<typename T >
|
inline |
Returns whether a given ray has a front intersection with this triangle and determines the reflective ray starting at the intersection point.
The reflection normal is determined by interpolation of the given three point normals.
- Parameters
-
ray Ray to determine whether an intersection occurs normal0 Normal of the first triangle point normal1 Normal of the second triangle point normal2 Normal of the third triangle point reflection Resulting reflection ray, if an intersection occurs distance Resulting intersection distance normal Resulting normal
- Returns
- True, if so
◆ hasIntersection()
template<typename T >
|
inline |
Returns whether a given ray has an intersection with this triangle.
- Parameters
-
ray Ray to determine whether an intersection occurs
- Returns
- True, if so
◆ intersection() [1/4]
template<typename T >
| bool Ocean::TriangleT3< T >::intersection | ( | const LineT3< T > & | ray, |
| LineT3< T > & | reflection, | ||
| T & | distance | ||
| ) | const |
Returns whether a given ray has an intersection with this triangle and determines the reflective ray starting at the intersection point.
The reflection normal is determined by the triangle.
- Parameters
-
ray Ray to determine whether an intersection occurs reflection Resulting reflection ray, if an intersection occurs distance Resulting intersection distance
- Returns
- True, if so
◆ intersection() [2/4]
template<typename T >
| bool Ocean::TriangleT3< T >::intersection | ( | const LineT3< T > & | ray, |
| LineT3< T > & | reflection, | ||
| T & | distance, | ||
| VectorT3< T > & | normal | ||
| ) | const |
Returns whether a given ray has an intersection with this triangle and determines the reflective ray starting at the intersection point.
The reflection normal is determined by the triangle.
- Parameters
-
ray Ray to determine whether an intersection occurs reflection Resulting reflection ray, if an intersection occurs distance Resulting intersection distance normal Resulting normal
- Returns
- True, if so
◆ intersection() [3/4]
template<typename T >
| bool Ocean::TriangleT3< T >::intersection | ( | const LineT3< T > & | ray, |
| VectorT3< T > & | point, | ||
| T & | distance | ||
| ) | const |
Returns whether a given ray has an intersection with this triangle and determines the intersection point.
- Parameters
-
ray Ray to determine whether an intersection occurs point Resulting intersection point, if an intersection occurs distance Resulting intersection distance
- Returns
- True, if so
◆ intersection() [4/4]
template<typename T >
| bool Ocean::TriangleT3< T >::intersection | ( | const LineT3< T > & | ray, |
| VectorT3< T > & | point, | ||
| VectorT3< T > & | barycentric, | ||
| T & | distance | ||
| ) | const |
Returns whether a given ray has an intersection with this triangle and determines the intersection point.
- Parameters
-
ray Ray to determine whether an intersection occurs point Resulting intersection point, if an intersection occurs barycentric Resulting Barycentric intersection point distance Resulting intersection distance
- Returns
- True, if so
◆ isValid()
template<typename T >
|
inline |
Returns whether this triangle is valid.
- Returns
- True, if so
◆ operator+()
template<typename T >
|
inline |
Shifts the triangle by a given 3D vector (by adding the vector to all three corners of the triangle).
- Parameters
-
offset The offset vector to shift the triangle
- Returns
- The new shifted triangle
◆ operator+=()
template<typename T >
|
inline |
Shifts the triangle by a given 3D vector (by adding the vector to all three corners of the triangle).
- Parameters
-
offset The offset vector to shift the triangle
- Returns
- The reference to this triangle
◆ operator-()
template<typename T >
|
inline |
Shifts the triangle by a given 3D vector (by subtracting the vector from all three corners of the triangle).
- Parameters
-
offset The offset vector to shift the triangle
- Returns
- The new shifted triangle
◆ operator-=()
template<typename T >
|
inline |
Shifts the triangle by a given 3D vector (by subtracting the vector from all three corners of the triangle).
- Parameters
-
offset The offset vector to shift the triangle
- Returns
- The reference to this triangle
◆ operator[]()
template<typename T >
|
inline |
Returns individual triangle corners.
- Parameters
-
index Index of the corner that is requested, with range [0, 2]
- Returns
- Resulting triangle corner
◆ planeIntersection()
template<typename T >
| bool Ocean::TriangleT3< T >::planeIntersection | ( | const LineT3< T > & | ray, |
| VectorT3< T > & | barycentric | ||
| ) | const |
Returns the intersection point with a given ray and a plane that is spanned by this triangle.
- Parameters
-
ray Ray to determine whether an intersection occurs barycentric Resulting Barycentric intersection point
- Returns
- True, if the ray intersects the plane that is spanned by the triangle (the return value does not indicate whether the triangle itself has been intersected)
◆ point0()
template<typename T >
|
inline |
Returns the first point of this triangle.
- Returns
- Triangle point
◆ point1()
template<typename T >
|
inline |
Returns the second point of this triangle.
- Returns
- Triangle point
◆ point2()
template<typename T >
|
inline |
Returns the third point of this triangle.
- Returns
- Triangle point
Field Documentation
◆ trianglePoints
template<typename T >
|
private |
Three triangle points.
The documentation for this class was generated from the following file:
