public void RenderTexture(RTexture texture, Math.Rectangle bounds, RColor color, Matrix matrix, bool font)
{
RViewport viewport = REngine.Instance._viewport;
UpdateQuad(bounds);
blendState.PlatformApplyState();
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
defaultShader.Bind();
defaultShader.SetSamplerValue(RTextureLayer.DIFFUSE, texture);
vertexQuad2D.Bind();
vertexQuad2D.BindVertexArray();
indexQuad2D.Bind();
defaultShader.SetUniformValue("projection", camera2d.Projection);
defaultShader.SetUniformValue("view", camera2d.View);
defaultShader.SetUniformValue("diffuse_color", color.ToVector4());
defaultShader.SetUniformValue("model", matrix);
defaultShader.SetUniformValue("font", font);
vertexQuad2D.VertexDeclaration.Apply(defaultShader, IntPtr.Zero);
GL.DrawElements(PrimitiveType.Triangles, indexQuad2D.IndexCount, DrawElementsType.UnsignedShort, IntPtr.Zero);
REngine.CheckGLError();
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.DstAlpha);
GL.Disable(EnableCap.Blend);
indexQuad2D.Unbind();
vertexQuad2D.UnbindVertexArray();
vertexQuad2D.Unbind();
defaultShader.Unbind();
}
public void RenderFullscreenQuad(RShader shader)
{
RViewport viewport = REngine.Instance._viewport;
quadVerts[0].Position = new Vector2(-1, -1);
quadVerts[0].TexCoord = new Vector2(0, 0);
quadVerts[1].Position = new Vector2(1, -1);
quadVerts[1].TexCoord = new Vector2(1, 0);
quadVerts[2].Position = new Vector2(1, 1);
quadVerts[2].TexCoord = new Vector2(1, 1);
quadVerts[3].Position = new Vector2(-1, 1);
quadVerts[3].TexCoord = new Vector2(0, 1);
vertexQuad2D.SetData <RVertexData2D>(quadVerts);
shader.Bind();
GL.Disable(EnableCap.DepthTest);
GL.Disable(EnableCap.CullFace);
vertexQuad2D.Bind();
vertexQuad2D.BindVertexArray();
indexQuad2D.Bind();
vertexQuad2D.VertexDeclaration.Apply(shader, IntPtr.Zero);
GL.DrawElements(PrimitiveType.Triangles, indexQuad2D.IndexCount, DrawElementsType.UnsignedShort, IntPtr.Zero);
REngine.CheckGLError();
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.DstAlpha);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.CullFace);
indexQuad2D.Unbind();
vertexQuad2D.UnbindVertexArray();
vertexQuad2D.Unbind();
shader.Unbind();
}
void RCamera2d_OnUpdate(object sender, EventArgs e)
{
RViewport viewport = REngine.Instance._viewport;
this.Projection = Matrix.CreateOrthographicOffCenter(0, viewport.Width, viewport.Height, 0, Near, Far);
this.View = Matrix.Identity;
}
public REngine()
{
RootPath = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
RLog.Info("Engine startup sequence activated.");
_stopWatch = new Stopwatch();
_fpsTimer = new System.Timers.Timer();
_fpsTimer.Interval = 1000;
_fpsTimer.Elapsed += _fpsTimer_Tick;
_fpsTimer.Start();
_viewport = new RViewport(0, 0, 800, 600);
camera = new RCamera();
lastFrameTime = new TimeSpan();
}
public RCamera()
{
Near = 1.0f;
Far = 100.0f;
FieldOfView = 70f;
IsEnabled = true;
OnUpdate += (sender, e) => {
//ViewDirection = Vector3.Transform(new Vector3(0, 0, -1f), GetRotation());
/*viewMatrix = new Matrix(
* matrix.M11, matrix.M12, matrix.M13, 0,
* matrix.M21, matrix.M22, matrix.M23, 0,
* matrix.M31, matrix.M32, matrix.M33, 0,
* -Vector3.Dot(Position, matrix.Right), -Vector3.Dot(Position, matrix.Up), -Vector3.Dot(Position, matrix.Forward), 1
* );*/
viewMatrix = Matrix.CreateLookAt(this.Position, this.Position + matrix.Forward, matrix.Up);
ViewDirection = viewMatrix.Forward;
RViewport viewport = REngine.Instance._viewport;
projMatrix = Matrix.Identity * Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(FieldOfView), viewport.AspectRatio, Near, Far);
};
}
public void SetViewport(RViewport viewport)
{
_viewport = viewport;
}