# Changes

3ds Backend:
  - switch to shaderProgramUse
Desktop Backend
  - Add Pre Alpha Text Input and Keyboard Support
  - Move Shader Attrib Setup into a function and callit every time we need a set up vbo
  - Move to Mat4 api
Core:
  - Add fquat support
  - Add LoadFile2Str
  - Move Mat4 Lib from Project     n73 to Palladium
  - Add full supprot for vec cross types
  - Add Normalize, Distance and Dot to all
  - Add Cross to vec3
Drivers:
  - Add a SetViewPort func to GFX
  - Add Keyboard keys and Flasg to Hid
Image:
  - Add Vertical Flipping
  - Add Horizontal flipping
UI7:
  - Fix Critical Bug in IO Viewport handler
  - Fix library list (error on MinGW for some reason)
Lazyvec:
  - Split into multiple source files
  - Generate new functions (see core updates)

include/pd/core/vec2.hpp

@@ -23,7 +23,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
  */
 
-// This file is generated by lazyvec
+// This file is generated by lazyvec 2.0.0
+
 #include <pd/core/common.hpp>
 
 namespace PD {
@@ -33,20 +34,24 @@ class vec2 {
   T x;
   T y;
 
-  vec2() : x(0), y(0) {}
+  // Constructors
+
+  constexpr vec2() : x(0), y(0) {}
   template <typename T1>
-  vec2(T1 v) {
+  constexpr vec2(T1 v) {
     x = (T)v;
     y = (T)v;
   }
 
   template <typename T1>
-  vec2(vec2<T1> v) {
+  constexpr vec2(const vec2<T1>& v) {
     x = (T)v.x;
     y = (T)v.y;
   }
 
-  vec2(T x, T y) : x(x), y(y) {}
+  constexpr explicit vec2(T x, T y) : x(x), y(y) {}
+
+  // Operations
 
   template <typename T1>
   vec2<T>& operator+=(T1 v) {
@@ -144,14 +149,42 @@ class vec2 {
     return vec2<T>(x / (T)v.x, y / (T)v.y);
   }
 
-  vec2 operator-() const { return vec2(-x, -y); }
+  // Generic Operations
 
-  bool operator==(const vec2& v) const { return x == v.x && y == v.y; }
-  bool operator!=(const vec2& v) const { return !(*this == v); }
+  vec2 operator-() const { return vec2(-x, -y); }
+  template <typename T1>
+  bool operator==(const vec2<T1>& v) const {
+    return x == (T)v.x && y == (T)v.y;
+  }
+  template <typename T1>
+  bool operator!=(const vec2<T1>& v) const {
+    return !(*this == v);
+  }
+
+  // Functions
 
   double Len() const { return std::sqrt(SqLen()); }
   double SqLen() const { return x * x + y * y; }
 
+  template <typename T1>
+  double Distance(const vec2<T1>& v) const {
+    return (*this - v).Len();
+  }
+
+  vec2<T> Normalize() const {
+    double l = Len();
+    if (l == 0) {
+      return *this;
+    }
+    return *this / (T)l;
+  }
+
+  template <typename T1>
+  T Dot(const vec2<T1>& v) const {
+    return x * (T)v.x + y * (T)v.y;
+  }
+
+  // Swap Functions
   void SwapXY() {
     T t = x;
     x = y;
@@ -159,6 +192,6 @@ class vec2 {
   }
 };
 using fvec2 = vec2<float>;
-using dvec2 = vec2<double>;
 using ivec2 = vec2<int>;
+using dvec2 = vec2<double>;
 }  // namespace PD