private MyApplication()
{
//registers a callback for drawing a frame
gameWindow.RenderFrame += GameWindow_RenderFrame;
gameWindow.RenderFrame += (sender, e) => gameWindow.SwapBuffers();
//register a callback for updating the game logic
gameWindow.UpdateFrame += GameWindow_UpdateFrame;
gameWindow.KeyDown += GameWindow_KeyDown;
texBackground = TextureLoader.FromBitmap(Resources.background);
texBird = TextureLoader.FromBitmap(Resources.bird);
postProcessing = new PostProcessing(gameWindow.Width, gameWindow.Height);
try
{
postProcessing.SetShader(Encoding.UTF8.GetString(Resources.EdgeDetect));
}
catch (ShaderException e)
{
Console.WriteLine(e.Log);
}
//for transparency in textures we use blending
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.Blend);
globalTime.Start();
}
public Visual(IRenderState renderState, IContentLoader contentLoader)
{
fbo = new FBO(Texture2dGL.Create(70, 70));
fbo.Texture.Filter = TextureFilterMode.Nearest;
copyToFrameBuffer = new PostProcessing(contentLoader.LoadPixelShader("copy.frag"));
renderState.Set(BlendStates.AlphaBlend);
renderState.Set(new LineSmoothing(true));
renderState.Set(new LineWidth(5f));
GL.Enable(EnableCap.PointSmooth);
}
public Rasterizer(IContentLoader contentLoader, int resolutionX, int resolutionY, Action drawHandler)
{
if (drawHandler is null)
{
throw new ArgumentException("Draw handler must not equal null!");
}
this.drawHandler = drawHandler;
copyToFrameBuffer = new PostProcessing(contentLoader.LoadPixelShader("copy.frag"));
var texRenderSurface = Texture2dGL.Create(resolutionX, resolutionY);
texRenderSurface.Filter = TextureFilterMode.Nearest;
fbo = new FBO(texRenderSurface);
}
private MyVisual(int width, int height)
{
texBackground = TextureLoader.FromBitmap(Resources.background);
texBird = TextureLoader.FromBitmap(Resources.bird);
postProcessing = new PostProcessing(width, height);
try
{
postProcessing.SetShader(Encoding.UTF8.GetString(Resources.EdgeDetect));
}
catch (ShaderException e)
{
Console.WriteLine(e.ShaderLog);
}
//for transparency in textures we use blending
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.Blend);
globalTime.Start();
}
