diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Vector3.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/Vector3.h b/src/Vector3.h index 0be52248d..8ee7a87b0 100644 --- a/src/Vector3.h +++ b/src/Vector3.h @@ -10,10 +10,6 @@ - - - - template <typename T> // tolua_begin class Vector3 @@ -196,6 +192,11 @@ public: ); } + /** Returns the coefficient for the (a_OtherEnd - this) line to reach the specified Z coord. + The result satisfies the following equation: + (*this + Result * (a_OtherEnd - *this)).z = a_Z + If the line is too close to being parallel, this function returns NO_INTERSECTION + */ inline double LineCoeffToXYPlane(const Vector3<T> & a_OtherEnd, T a_Z) const { if (abs(z - a_OtherEnd.z) < EPS) @@ -206,6 +207,11 @@ public: return (a_Z - z) / (a_OtherEnd.z - z); } + /** Returns the coefficient for the (a_OtherEnd - this) line to reach the specified Y coord. + The result satisfies the following equation: + (*this + Result * (a_OtherEnd - *this)).y = a_Y + If the line is too close to being parallel, this function returns NO_INTERSECTION + */ inline double LineCoeffToXZPlane(const Vector3<T> & a_OtherEnd, T a_Y) const { if (abs(y - a_OtherEnd.y) < EPS) @@ -216,6 +222,11 @@ public: return (a_Y - y) / (a_OtherEnd.y - y); } + /** Returns the coefficient for the (a_OtherEnd - this) line to reach the specified X coord. + The result satisfies the following equation: + (*this + Result * (a_OtherEnd - *this)).x = a_X + If the line is too close to being parallel, this function returns NO_INTERSECTION + */ inline double LineCoeffToYZPlane(const Vector3<T> & a_OtherEnd, T a_X) const { if (abs(x - a_OtherEnd.x) < EPS) @@ -231,9 +242,14 @@ public: /** Return value of LineCoeffToPlane() if the line is parallel to the plane. */ static const double NO_INTERSECTION; + }; // tolua_end + + + + template <typename T> const double Vector3<T>::EPS = 0.000001; |