Fixed invalid links in README.

Errors were caused since "backend" was removed from internal namespaces in the previous commit

README.md

@@ -1,67 +1,67 @@
-## blah
+## blah
-A small 2D C++ Game Framework, using few dependencies and simple code to mainain easy building and portability.
+A small 2D C++ Game Framework, using few dependencies and simple code to mainain easy building and portability.
-
+
-**☆ This will likely see breaking changes! Use at your own risk! ☆**
+**☆ This will likely see breaking changes! Use at your own risk! ☆**
-
+
-#### building
+#### building
- - Requires C++17 and CMake 3.12+
+ - Requires C++17 and CMake 3.12+
- - A single *Platform* backend must be enabled:
+ - A single *Platform* backend must be enabled:
-	- [SDL2](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend_sdl2.cpp) can be enabled in CMake with `PLATFORM_SDL2`, and setting `SDL2_INCLUDE_DIRS` and `SDL2_LIBRARIES`
+	- [SDL2](https://github.com/NoelFB/blah/blob/master/src/internal/platform_sdl2.cpp) can be enabled in CMake with `PLATFORM_SDL2`, and setting `SDL2_INCLUDE_DIRS` and `SDL2_LIBRARIES`
-	- [WIN32](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend_win32.cpp) (UNFINISHED) can be enabled in CMake with `PLATFORM_WIN32`.
+	- [WIN32](https://github.com/NoelFB/blah/blob/master/src/internal/platform_win32.cpp) (UNFINISHED) can be enabled in CMake with `PLATFORM_WIN32`.
-	- Additional backends can be added by implementing the [Platform Backend](https://github.com/NoelFB/blah/blob/master/src/internal/platform_backend.h)
+	- Additional backends can be added by implementing the [Platform Backend](https://github.com/NoelFB/blah/blob/master/src/internal/platform.h)
- - A single *Graphics* backend must be enabled:
+ - A single *Graphics* backend must be enabled:
-	- [OpenGL](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend_gl.cpp) can be enabled in CMake with `GRAPHICS_OPENGL`.
+	- [OpenGL](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_gl.cpp) can be enabled in CMake with `GRAPHICS_OPENGL`.
-	- [D3D11](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend_d3d11.cpp) can be enabled in CMake with `GRAPHICS_D3D11`.
+	- [D3D11](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_d3d11.cpp) can be enabled in CMake with `GRAPHICS_D3D11`.
-	- Additional backends can be added by implementing the [Graphics Backend](https://github.com/NoelFB/blah/blob/master/src/internal/graphics_backend.h).
+	- Additional backends can be added by implementing the [Graphics Backend](https://github.com/NoelFB/blah/blob/master/src/internal/graphics.h).
- 
+ 
-#### notes
+#### notes
- - There's no Shader abstraction, so the [Sprite Batcher](https://github.com/NoelFB/blah/blob/master/src/graphics/batch.cpp) has hard-coded GLSL/HLSL. This will need to change.
+ - There's no Shader abstraction, so the [Sprite Batcher](https://github.com/NoelFB/blah/blob/master/src/graphics/batch.cpp) has hard-coded GLSL/HLSL. This will need to change.
- - Only floatN/mat3x2/mat4x4 uniforms are supported.
+ - Only floatN/mat3x2/mat4x4 uniforms are supported.
- - There's no Audio API or backend implementation yet.
+ - There's no Audio API or backend implementation yet.
- - No threaded rendering so it will explode if you try that.
+ - No threaded rendering so it will explode if you try that.
-
+
-#### a sample application
+#### a sample application
-
+
-```cpp
+```cpp
-#include <blah.h>
+#include <blah.h>
-using namespace Blah;
+using namespace Blah;
-
+
-Batch batch;
+Batch batch;
-TextureRef tex;
+TextureRef tex;
-
+
-void startup()
+void startup()
-{
+{
-	tex = Texture::create("player.png");
+	tex = Texture::create("player.png");
-}
+}
-
+
-void render()
+void render()
-{
+{
-	App::backbuffer->clear(Color::black);
+	App::backbuffer->clear(Color::black);
-	
+	
-	auto center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2;
+	auto center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2;
-	auto rotation = Time::seconds * Calc::TAU;
+	auto rotation = Time::seconds * Calc::TAU;
-	auto transform = Mat3x2::create_transform(center, Vec2::zero, Vec2::one, rotation);
+	auto transform = Mat3x2::create_transform(center, Vec2::zero, Vec2::one, rotation);
-
+
-	batch.push_matrix(transform);
+	batch.push_matrix(transform);
-	batch.rect(Rect(-32, -32, 64, 64), Color::red);
+	batch.rect(Rect(-32, -32, 64, 64), Color::red);
-	batch.tex(tex, Vec2(64, 0), Color::white);
+	batch.tex(tex, Vec2(64, 0), Color::white);
-	batch.pop_matrix();
+	batch.pop_matrix();
-	
+	
-	batch.render();
+	batch.render();
-	batch.clear();
+	batch.clear();
-}
+}
-
+
-int main()
+int main()
-{
+{
-	Config config;
+	Config config;
-	config.name = "blah app";
+	config.name = "blah app";
-	config.width = 1280;
+	config.width = 1280;
-	config.height = 720;
+	config.height = 720;
-	config.on_startup = startup;
+	config.on_startup = startup;
-	config.on_render = render;
+	config.on_render = render;
-	
+	
-	App::run(&config);
+	App::run(&config);
-	return 0;
+	return 0;
-}
+}
-
+
-```
+```