Simple dx render example.

src/geometry/Vector.cpp

@@ -0,0 +1,61 @@
+#include "Vector.h"
+
+Vector::Vector(double x, double y, double z)
+    :   mX(x),
+        mY(y),
+        mZ(z)
+{
+    updateLength();
+}
+
+Vector::~Vector()
+{
+};
+
+double Vector::getX() const
+{
+    return mX;
+}
+
+double Vector::getY() const
+{
+    return mY;
+}
+
+double Vector::getZ() const
+{
+    return mZ;
+}
+
+double Vector::getLength() const
+{
+    return mLength;
+}
+
+double Vector::dotProduct(const Vector& v) const
+{
+    return mX * v.mX + mY * v.mY + mZ * v.mZ;
+}
+
+Vector Vector::crossProduct(const Vector& v) const
+{
+    return Vector(v.mY * mZ - v.mZ * mY, v.mZ * mX - v.mX * mZ, v.mX * mY - v.mY * mX);
+}
+
+Vector Vector::getNormalized() const
+{
+    return Vector(mX / mLength, mY / mLength, mZ / mLength);
+}
+
+void Vector::scale(double x, double y, double z)
+{
+    mX = x * mX;
+    mY = y * mY;
+    mZ = z * mZ;
+    updateLength();
+}
+
+void Vector::updateLength()
+{
+    mLength = std::sqrt(mX * mX + mY * mY + mZ * mZ);
+}