1 files changed, 157 insertions, 0 deletions
diff --git a/src/vector3f.cc b/src/vector3f.cc
new file mode 100644
index 0000000..6d42742
--- /dev/null
+++ b/src/vector3f.cc
@@ -0,0 +1,157 @@
+/*
+   vector3f.cc
+   This file is part of the Project::OSiRiON world editor 
+   and is distributed under the terms and conditions of 
+   the GNU General Public License version 2
+*/
+
+#include <cmath>
+#include "vector3f.h"
+
+namespace editor
+{
+
+Vector3f::Vector3f()
+{
+	clear();
+}
+
+Vector3f::Vector3f(const Vector3f &other)
+{
+	assign(other);
+}
+
+Vector3f::Vector3f(const float x, const float y, const float z)
+{
+	assign(x, y, z);
+}
+
+Vector3f::~Vector3f()
+{
+}
+
+void Vector3f::clear()
+{
+	coord[0] = 0;
+	coord[1] = 0;
+	coord[2] = 0;
+}
+
+void Vector3f::assign(const float x, const float y, const float z)
+{
+	coord[0] = x;
+	coord[1] = y;
+	coord[2] = z;
+}
+
+void Vector3f::assign(const Vector3f & other)
+{
+	coord[0] = other.coord[0];
+	coord[1] = other.coord[1];
+	coord[2] = other.coord[2];
+}
+
+Vector3f & Vector3f::operator=(const Vector3f & other)
+{
+	assign(other);
+	return (*this);
+}
+
+Vector3f & Vector3f::operator*=(const float scalar)
+{
+	for (int i = 0; i < 3; i++)
+		coord[i] *= scalar;
+	return (*this);
+}
+
+Vector3f & Vector3f::operator/=(const float scalar)
+{
+	for (int i = 0; i < 3; i++)
+		coord[i] /= scalar;
+	return (*this);
+}
+
+Vector3f &Vector3f::operator-=(const Vector3f & other)
+{
+	for (int i = 0; i < 3; i++)
+		coord[i] -= other[i];
+	return (*this);
+}
+
+Vector3f &Vector3f::operator+=(const Vector3f &other)
+{
+	for (int i = 0; i < 3; i++)
+		coord[i] += other[i];
+	return (*this);
+}
+
+bool Vector3f::operator==(const Vector3f& other) const
+{
+	for (int i = 0; i < 3; i++)
+		if (coord[i] != other.coord[i])
+			return (false);
+	return (true);
+}
+
+float Vector3f::lengthsquared() const
+{
+	float r = 0;
+	for (int i = 0; i < 3; i++)
+		r += coord[i] * coord[i];
+	return ((float) r);
+}
+
+float Vector3f::length() const
+{
+	float r = 0;
+	for (int i = 0; i < 3; i++)
+		r += coord[i] * coord[i];
+
+	return (sqrtf(r));
+}
+
+void Vector3f::normalize()
+{
+	(*this) /= this->length();
+}
+
+Vector3f operator*(float scalar, const Vector3f &vector)
+{
+	return vector * scalar;
+}
+
+const Vector3f crossproduct(const Vector3f & first, const Vector3f &second)
+{
+	float vx = first[1] * second[2] - first[2] * second[1];
+	float vy = first[2] * second[0] - first[0] * second[2];
+	float vz = first[0] * second[1] - first[1] * second[0];
+
+	return(Vector3f(vx, vy, vz));
+}
+
+float dotproduct(const Vector3f& first, const Vector3f& second)
+{
+	float r = 0;
+	for (int i = 0; i < 3; i++)
+		r += first[i] * second[i];
+	return (r);
+}
+
+float distance(const Vector3f& first, const Vector3f& second)
+{
+	float r = 0;
+	for (int i = 0; i < 3; i++)
+		r += (first[i] - second[i]) * (first[i] - second[i]);
+
+	return (sqrtf(r));
+}
+
+float distancesquared(const Vector3f& first, const Vector3f& second)
+{
+	float r = 0;
+	for (int i = 0; i < 3; i++)
+		r += (first[i] - second[i]) * (first[i] - second[i]);
+	return (r);
+}
+
+} // namespace math