Memory leak, but otherwise working

src/Engine/Graphics/Window.cpp

@@ -0,0 +1,39 @@
+#include "Window.h"
+
+using namespace Seele;
+using namespace Seele::Gfx;
+
+
+Window::Window()
+{
+}
+
+Window::~Window()
+{
+}
+
+Viewport::Viewport(PWindow owner, const ViewportCreateInfo& viewportInfo)
+	: sizeX(std::min(owner->getFramebufferWidth(), viewportInfo.dimensions.size.x))
+	, sizeY(std::min(owner->getFramebufferHeight(), viewportInfo.dimensions.size.y))
+	, offsetX(viewportInfo.dimensions.offset.x)
+	, offsetY(viewportInfo.dimensions.offset.y)
+	, fieldOfView(viewportInfo.fieldOfView)
+	, owner(owner)
+{
+}
+
+Viewport::~Viewport()
+{
+}
+
+Matrix4 Viewport::getProjectionMatrix() const
+{
+	if (fieldOfView > 0.0f)
+	{
+		return glm::perspective(fieldOfView, sizeX / static_cast<float>(sizeY), 0.1f, 1000.0f);
+	}
+	else
+	{
+		return glm::ortho(0.0f, (float)sizeX, (float)sizeY, 0.0f);
+	}
+}