Add bindings for Vector4, Vector4i, Projection built-in types.

test/src/example.cpp

@@ -101,6 +101,7 @@ void Example::_bind_methods() {
 	ADD_SUBGROUP("Test subgroup", "group_subgroup_");
 
 	ClassDB::bind_method(D_METHOD("get_custom_position"), &Example::get_custom_position);
+	ClassDB::bind_method(D_METHOD("get_v4"), &Example::get_v4);
 	ClassDB::bind_method(D_METHOD("set_custom_position", "position"), &Example::set_custom_position);
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "group_subgroup_custom_position"), "set_custom_position", "get_custom_position");
 
@@ -205,6 +206,10 @@ Vector2 Example::get_custom_position() const {
 	return custom_position;
 }
 
+Vector4 Example::get_v4() const {
+	return Vector4(1.2, 3.4, 5.6, 7.8);
+}
+
 // Virtual function override.
 bool Example::_has_point(const Vector2 &point) const {
 	Label *label = get_node<Label>("Label");

test/src/example.h

@@ -98,6 +98,7 @@ public:
 	// Property.
 	void set_custom_position(const Vector2 &pos);
 	Vector2 get_custom_position() const;
+	Vector4 get_v4() const;
 
 	// Static method.
 	static int test_static(int p_a, int p_b);