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authormadmaxoft <github@xoft.cz>2014-03-12 14:42:04 +0100
committermadmaxoft <github@xoft.cz>2014-03-12 14:42:04 +0100
commitf2df33f746936e8dd0dba69e7d77723df8c71472 (patch)
tree9a2a49460ed9cf57f69a2e9b0e07cf9a6086a02a /src/Vector3.h
parentFixed Lua string return values. (diff)
parentVector3: Length() should always return a float (diff)
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Diffstat (limited to '')
-rw-r--r--src/Vector3.h286
1 files changed, 286 insertions, 0 deletions
diff --git a/src/Vector3.h b/src/Vector3.h
new file mode 100644
index 000000000..80583879a
--- /dev/null
+++ b/src/Vector3.h
@@ -0,0 +1,286 @@
+
+#pragma once
+
+
+
+
+#include <math.h>
+
+
+
+
+
+template <typename T>
+// tolua_begin
+class Vector3
+{
+
+ TOLUA_TEMPLATE_BIND((T, int, float, double))
+
+public:
+
+ T x, y, z;
+
+
+ inline Vector3(void) : x(0), y(0), z(0) {}
+ inline Vector3(T a_x, T a_y, T a_z) : x(a_x), y(a_y), z(a_z) {}
+
+
+ // Hardcoded copy constructors (tolua++ does not support function templates .. yet)
+ Vector3(const Vector3<float> & a_Rhs) : x((T) a_Rhs.x), y((T) a_Rhs.y), z((T) a_Rhs.z) {}
+ Vector3(const Vector3<double> & a_Rhs) : x((T) a_Rhs.x), y((T) a_Rhs.y), z((T) a_Rhs.z) {}
+ Vector3(const Vector3<int> & a_Rhs) : x((T) a_Rhs.x), y((T) a_Rhs.y), z((T) a_Rhs.z) {}
+
+
+ // tolua_end
+ template <typename _T>
+ Vector3(const Vector3<_T> & a_Rhs) : x(a_Rhs.x), y(a_Rhs.y), z(a_Rhs.z) {}
+
+ template <typename _T>
+ 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;
+ y = a_y;
+ z = a_z;
+ }
+
+ inline void Normalize(void)
+ {
+ double Len = 1.0 / Length();
+
+ x *= Len;
+ y *= Len;
+ z *= Len;
+ }
+
+ inline Vector3<T> NormalizeCopy(void) const
+ {
+ double Len = 1.0 / Length();
+
+ return Vector3<T>(
+ x * Len,
+ y * Len,
+ z * Len
+ );
+ }
+
+ inline void NormalizeCopy(Vector3<T> & a_Rhs) const
+ {
+ double Len = 1.0 / Length();
+
+ a_Rhs.Set(
+ x * Len,
+ y * Len,
+ z * Len
+ );
+ }
+
+ inline double Length(void) const
+ {
+ return sqrt((double)(x * x + y * y + z * z));
+ }
+
+ inline double SqrLength(void) const
+ {
+ return x * x + y * y + z * z;
+ }
+
+ inline T Dot(const Vector3<T> & a_Rhs) const
+ {
+ return x * a_Rhs.x + y * a_Rhs.y + z * a_Rhs.z;
+ }
+
+ inline Vector3<T> Cross(const Vector3<T> & a_Rhs) const
+ {
+ return Vector3<T>(
+ y * a_Rhs.z - z * a_Rhs.y,
+ z * a_Rhs.x - x * a_Rhs.z,
+ x * a_Rhs.y - y * a_Rhs.x
+ );
+ }
+
+ 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)
+ {
+ // 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);
+ }
+
+ inline void Move(T a_X, T a_Y, T a_Z)
+ {
+ x += a_X;
+ y += a_Y;
+ z += a_Z;
+ }
+
+ // tolua_end
+
+ inline void operator += (const Vector3<T> & a_Rhs)
+ {
+ x += a_Rhs.x;
+ y += a_Rhs.y;
+ z += a_Rhs.z;
+ }
+
+ inline void operator -= (const Vector3<T> & a_Rhs)
+ {
+ x -= a_Rhs.x;
+ y -= a_Rhs.y;
+ z -= a_Rhs.z;
+ }
+
+ inline void operator *= (const Vector3<T> & a_Rhs)
+ {
+ x *= a_Rhs.x;
+ y *= a_Rhs.y;
+ z *= a_Rhs.z;
+ }
+
+ inline void operator *= (T a_v)
+ {
+ x *= a_v;
+ y *= a_v;
+ z *= a_v;
+ }
+
+ // tolua_begin
+
+ inline Vector3<T> operator + (const Vector3<T>& a_Rhs) const
+ {
+ return Vector3<T>(
+ x + a_Rhs.x,
+ y + a_Rhs.y,
+ z + a_Rhs.z
+ );
+ }
+
+ inline Vector3<T> operator - (const Vector3<T>& a_Rhs) const
+ {
+ return Vector3<T>(
+ x - a_Rhs.x,
+ y - a_Rhs.y,
+ z - a_Rhs.z
+ );
+ }
+
+ inline Vector3<T> operator * (const Vector3<T>& a_Rhs) const
+ {
+ return Vector3<T>(
+ x * a_Rhs.x,
+ y * a_Rhs.y,
+ z * a_Rhs.z
+ );
+ }
+
+ inline Vector3<T> operator * (T a_v) const
+ {
+ return Vector3<T>(
+ x * a_v,
+ y * a_v,
+ z * a_v
+ );
+ }
+
+ inline Vector3<T> operator / (T a_v) const
+ {
+ return Vector3<T>(
+ x / a_v,
+ y / a_v,
+ z / a_v
+ );
+ }
+
+ /** 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)
+ {
+ return NO_INTERSECTION;
+ }
+
+ 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)
+ {
+ return NO_INTERSECTION;
+ }
+
+ 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)
+ {
+ return NO_INTERSECTION;
+ }
+
+ return (a_X - x) / (a_OtherEnd.x - x);
+ }
+
+ /** The max difference between two coords for which the coords are assumed equal. */
+ static const double EPS;
+
+ /** 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;
+
+template <typename T>
+const double Vector3<T>::NO_INTERSECTION = 1e70;
+
+
+
+
+
+// tolua_begin
+typedef Vector3<double> Vector3d;
+typedef Vector3<float> Vector3f;
+typedef Vector3<int> Vector3i;
+// tolua_end
+
+
+
+
+
+typedef std::list<Vector3i> cVector3iList;
+typedef std::vector<Vector3i> cVector3iArray;
+
+
+
+
+
+