// Constructors
static FrameBufferManager()
{
// Initialise singleton instance
instance = new FrameBufferManager();
// This is where we initialise the GL FrameBuffers and RenderBuffers.
instance.renderBuffer = new uint[(int)RenderBuffer.NumRenderBuffers];
GL.GenRenderbuffers((int)RenderBuffer.NumRenderBuffers, instance.renderBuffer);
int[] viewport = new int[4];
GL.GetInteger(GetPName.Viewport, viewport);
instance.viewportWidth = viewport[2];
instance.viewportHeight = viewport[3];
SetRenderbufferStorage(instance.viewportWidth, instance.viewportHeight);
GL.GenFramebuffers(1, out instance.selectionBuffer);
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, instance.selectionBuffer);
GL.FramebufferRenderbuffer(FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.ColorAttachment0,
RenderbufferTarget.Renderbuffer,
instance.renderBuffer[(int)RenderBuffer.Color]);
GL.FramebufferRenderbuffer(FramebufferTarget.DrawFramebuffer,
FramebufferAttachment.DepthAttachment,
RenderbufferTarget.Renderbuffer,
instance.renderBuffer[(int)RenderBuffer.Depth]);
// Set back to default FrameBuffer
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);
}
// Constructors
public Selection()
{
fbManager = new FrameBufferManager();
console = OutputWindow.Console;
info.Selected = null;
pollingTimer = new Timer(20);
pollingTimer.AutoReset = true;
pollingTimer.Elapsed += new System.Timers.ElapsedEventHandler(pollingTimerElapsed);
}
// Constructors
public Game()
: base(640, 480, new GraphicsMode(new ColorFormat(8, 8, 8, 8), 16, 0, 8),
"OpenGL 3.1 Example", 0, DisplayDevice.Default, 3, 1, GraphicsContextFlags.Debug)
{
// Initialise fields
WindowBorder = WindowBorder.Fixed;
singleSelection = new Selection();
// Setup window view.
float widthToHeight = ClientSize.Width / (float)ClientSize.Height;
Shader.SetProjectionMatrix(Matrix4.CreatePerspectiveFieldOfView(0.25f, widthToHeight, 60, 120));
Shader.SetLightPosition(new Vector3(3.0f, 4.0f, 5.0f));
GL.Enable(EnableCap.DepthTest);
GL.ClearColor(0.2f, 0.2f, 0.2f, 1);
// Register a button down event.
Mouse.ButtonDown += new EventHandler <OpenTK.Input.MouseButtonEventArgs>(MouseButtonDown);
Mouse.ButtonUp += new EventHandler <OpenTK.Input.MouseButtonEventArgs>(MouseButtonUp);
Mouse.WheelChanged += new EventHandler <MouseWheelEventArgs>(MouseWheelChanged);
Keyboard.KeyDown += new EventHandler <KeyboardKeyEventArgs>(KeyboardKeyDown);
// ------- Sandbox -------
// Initialise objects to be drawn in the scene.
console = OutputWindow.Console;
randomNumber = new Random();
scene1 = new Scene();
//cubeArray = new Cube[25];
// Populate the Scene with Cubes at random locations and rotations.
for (int i = 0; i < 25; i++)
{
randomVector = new Vector3(randomNumber.Next(-5, 5), randomNumber.Next(-5, 5), randomNumber.Next(-120, -10));
randomRotation = new Vector3(randomNumber.Next(0, 314) / 100, randomNumber.Next(0, 314) / 100, 0);
scene1.AddActor(new Cube(randomVector, randomRotation, new Color4(0.4f, 0.5f, 0.0f, 1.0f)));
}
// Create references to the manager classes singletons.
fbManager = FrameBufferManager.Instance;
// Add introduction text
console.DisplayHelp();
}
// Constructors
static Cube()
{
sourceFile = "cube.obj";
cubeMesh = Mesh.CreateMesh(sourceFile, name);
fbManager = FrameBufferManager.Instance;
cubeShader = Shader.CreateShader("cube.vert", "cube.frag", name);
selectionShader = Shader.CreateShader("select.vert", "select.frag", "select");
GL.EnableVertexAttribArray(0);
GL.BindAttribLocation(cubeShader.ShaderID, 0, "vertex_position");
GL.BindAttribLocation(selectionShader.ShaderID, 0, "vertex_position");
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 0);
GL.EnableVertexAttribArray(1);
GL.BindAttribLocation(cubeShader.ShaderID, 1, "vertex_normal");
GL.BindAttribLocation(selectionShader.ShaderID, 1, "vertex_normal");
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, Vector3.SizeInBytes);
surfaceColorLocation = GL.GetUniformLocation(cubeShader.ShaderID, "surfaceColor");
selectColorLocation = GL.GetUniformLocation(selectionShader.ShaderID, "surfaceColor");
modelviewMatrixLocation = GL.GetUniformLocation(cubeShader.ShaderID, "modelview_matrix");
selectModelviewMatrixLocation = GL.GetUniformLocation(selectionShader.ShaderID, "modelview_matrix");
}
// Constructors
public Scene()
{
fbManager = FrameBufferManager.Instance;
actorList = new List <ISelectable>();
}