Added Vector2::*Axis(), similar to those in Vector3.

src/Math/Test/Vector2Test.cpp

@@ -30,6 +30,7 @@ typedef Math::Vector2<float> Vector2;
 
 Vector2Test::Vector2Test() {
     addTests(&Vector2Test::construct,
+             &Vector2Test::axes,
              &Vector2Test::debug);
 }
 
@@ -37,6 +38,11 @@ void Vector2Test::construct() {
     CORRADE_COMPARE(Vector2(1, 2), (Vector<2, float>(1.0f, 2.0f)));
 }
 
+void Vector2Test::axes() {
+    CORRADE_COMPARE(Vector2::xAxis(5.0f), Vector2(5.0f, 0.0f));
+    CORRADE_COMPARE(Vector2::yAxis(6.0f), Vector2(0.0f, 6.0f));
+}
+
 void Vector2Test::debug() {
     ostringstream o;
     Debug(&o) << Vector2(0.5f, 15.0f);

src/Math/Test/Vector2Test.h

@@ -24,6 +24,7 @@ class Vector2Test: public Corrade::TestSuite::Tester<Vector2Test> {
         Vector2Test();
 
         void construct();
+        void axes();
         void debug();
 };
 

src/Math/Test/Vector3Test.cpp

@@ -32,7 +32,7 @@ typedef Math::Vector2<float> Vector2;
 Vector3Test::Vector3Test() {
     addTests(&Vector3Test::construct,
              &Vector3Test::cross,
-             &Vector3Test::axis,
+             &Vector3Test::axes,
              &Vector3Test::twoComponent,
              &Vector3Test::debug);
 }
@@ -49,7 +49,7 @@ void Vector3Test::cross() {
     CORRADE_COMPARE(Vector3::cross(a, b), Vector3(-10, -3, 7));
 }
 
-void Vector3Test::axis() {
+void Vector3Test::axes() {
     CORRADE_COMPARE(Vector3::xAxis(5.0f), Vector3(5.0f, 0.0f, 0.0f));
     CORRADE_COMPARE(Vector3::yAxis(6.0f), Vector3(0.0f, 6.0f, 0.0f));
     CORRADE_COMPARE(Vector3::zAxis(7.0f), Vector3(0.0f, 0.0f, 7.0f));

src/Math/Test/Vector3Test.h

@@ -25,7 +25,7 @@ class Vector3Test: public Corrade::TestSuite::Tester<Vector3Test> {
 
         void construct();
         void cross();
-        void axis();
+        void axes();
         void twoComponent();
 
         void debug();

src/Math/Vector2.h

@@ -26,6 +26,12 @@ namespace Magnum { namespace Math {
 /** @brief Two-component vector */
 template<class T> class Vector2: public Vector<2, T> {
     public:
+        /** @brief %Vector in direction of X axis */
+        inline constexpr static Vector2<T> xAxis(T length = T(1)) { return Vector2<T>(length, T()); }
+
+        /** @brief %Vector in direction of Y axis */
+        inline constexpr static Vector2<T> yAxis(T length = T(1)) { return Vector2<T>(T(), length); }
+
         /** @copydoc Vector::Vector(T) */
         inline constexpr explicit Vector2(T value = T()): Vector<2, T>(value, value) {}