diff options
Diffstat (limited to 'src/Vector3.h')
| -rw-r--r-- | src/Vector3.h | 89 |
1 files changed, 73 insertions, 16 deletions
diff --git a/src/Vector3.h b/src/Vector3.h index 2c79f9ff1..1dcb38f64 100644 --- a/src/Vector3.h +++ b/src/Vector3.h @@ -3,8 +3,10 @@ -#define _USE_MATH_DEFINES // Enable non-standard math defines (MSVC) +#define _USE_MATH_DEFINES // Enable non-standard math defines (MSVC) #include <math.h> +#include <list> +#include <vector> @@ -40,7 +42,6 @@ public: Vector3(const Vector3<_T> * a_Rhs) : x(a_Rhs->x), y(a_Rhs->y), z(a_Rhs->z) {} // tolua_begin - inline void Set(T a_x, T a_y, T a_z) { x = a_x; @@ -105,18 +106,18 @@ public: inline bool Equals(const Vector3<T> & a_Rhs) const { - return x == a_Rhs.x && y == a_Rhs.y && z == a_Rhs.z; - } - - inline bool operator == (const Vector3<T> & a_Rhs) const - { - return Equals(a_Rhs); + // Perform a bitwise comparison of the contents - we want to know whether this object is exactly equal + // To perform EPS-based comparison, use the EqualsEps() function + return ( + (memcmp(&x, &a_Rhs.x, sizeof(x)) == 0) && + (memcmp(&y, &a_Rhs.y, sizeof(y)) == 0) && + (memcmp(&z, &a_Rhs.z, sizeof(z)) == 0) + ); } - - inline bool operator < (const Vector3<T> & a_Rhs) + + inline bool EqualsEps(const Vector3<T> & a_Rhs, T a_Eps) const { - // return (x < a_Rhs.x) && (y < a_Rhs.y) && (z < a_Rhs.z); ? - return (x < a_Rhs.x) || (x == a_Rhs.x && y < a_Rhs.y) || (x == a_Rhs.x && y == a_Rhs.y && z < a_Rhs.z); + return (Abs(x - a_Rhs.x) < a_Eps) && (Abs(y - a_Rhs.y) < a_Eps) && (Abs(z - a_Rhs.z) < a_Eps); } inline void Move(T a_X, T a_Y, T a_Z) @@ -133,8 +134,38 @@ public: z += a_Diff.z; } + /** Runs each value of the vector through std::floor() */ + inline Vector3<int> Floor(void) const + { + return Vector3<int>( + (int)floor(x), + (int)floor(y), + (int)floor(z) + ); + } + // tolua_end + inline bool operator != (const Vector3<T> & a_Rhs) const + { + return !Equals(a_Rhs); + } + + inline bool operator == (const Vector3<T> & a_Rhs) const + { + return Equals(a_Rhs); + } + + inline bool operator > (const Vector3<T> & a_Rhs) const + { + return (SqrLength() > a_Rhs.SqrLength()); + } + + inline bool operator < (const Vector3<T> & a_Rhs) const + { + return (SqrLength() < a_Rhs.SqrLength()); + } + inline void operator += (const Vector3<T> & a_Rhs) { x += a_Rhs.x; @@ -163,8 +194,16 @@ public: z *= a_v; } - // tolua_begin + inline Vector3<T> & operator = (const Vector3<T> & a_Rhs) + { + x = a_Rhs.x; + y = a_Rhs.y; + z = a_Rhs.z; + return *this; + } + // tolua_begin + inline Vector3<T> operator + (const Vector3<T>& a_Rhs) const { return Vector3<T>( @@ -217,7 +256,7 @@ public: */ inline double LineCoeffToXYPlane(const Vector3<T> & a_OtherEnd, T a_Z) const { - if (abs(z - a_OtherEnd.z) < EPS) + if (Abs(z - a_OtherEnd.z) < EPS) { return NO_INTERSECTION; } @@ -232,7 +271,7 @@ public: */ inline double LineCoeffToXZPlane(const Vector3<T> & a_OtherEnd, T a_Y) const { - if (abs(y - a_OtherEnd.y) < EPS) + if (Abs(y - a_OtherEnd.y) < EPS) { return NO_INTERSECTION; } @@ -247,7 +286,7 @@ public: */ inline double LineCoeffToYZPlane(const Vector3<T> & a_OtherEnd, T a_X) const { - if (abs(x - a_OtherEnd.x) < EPS) + if (Abs(x - a_OtherEnd.x) < EPS) { return NO_INTERSECTION; } @@ -260,6 +299,15 @@ public: /** Return value of LineCoeffToPlane() if the line is parallel to the plane. */ static const double NO_INTERSECTION; + +protected: + + /** Returns the absolute value of the given argument. + Templatized because the standard library differentiates between abs() and fabs(). */ + static T Abs(T a_Value) + { + return (a_Value < 0) ? -a_Value : a_Value; + } }; // tolua_end @@ -268,6 +316,15 @@ public: +template <> inline Vector3<int> Vector3<int>::Floor(void) const +{ + return *this; +} + + + + + template <typename T> const double Vector3<T>::EPS = 0.000001; |