protected override void OnRenderFrame(FrameEventArgs e)
{
// called once per frame; render
rayTracer.Tick();
if (terminated)
{
Exit();
return;
}
// convert Game.screen to OpenGL texture
GL.BindTexture(TextureTarget.Texture2D, screenID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
rayTracer.screen.width, rayTracer.screen.height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte, rayTracer.screen.pixels
);
// clear window contents
GL.Clear(ClearBufferMask.ColorBufferBit);
// setup camera
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
// draw screen filling quad
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(0.0f, 1.0f); GL.Vertex2(-1.0f, -1.0f);
GL.TexCoord2(1.0f, 1.0f); GL.Vertex2(1.0f, -1.0f);
GL.TexCoord2(1.0f, 0.0f); GL.Vertex2(1.0f, 1.0f);
GL.TexCoord2(0.0f, 0.0f); GL.Vertex2(-1.0f, 1.0f);
GL.End();
// tell OpenTK we're done rendering
SwapBuffers();
}
// tick: renders one frame
public void Tick()
{
// scene.lights[0].position += new Vector3(1f,0,0);
raytracer.Tick();
KeyboardState keystate = Keyboard.GetState();
if (keystate.IsKeyDown(Key.Number1))
{
raytracer.aa = 1;
}
if (keystate.IsKeyDown(Key.Number2))
{
raytracer.aa = 2;
}
if (keystate.IsKeyDown(Key.Number3))
{
raytracer.aa = 3;
}
if (keystate.IsKeyDown(Key.Left))
{
cam.xRotation -= 8;
if (cam.xRotation < 0)
cam.xRotation += 360;
cam.UpdateScreen();
}
if (keystate.IsKeyDown(Key.Right))
{
cam.xRotation += 8;
if (cam.xRotation > 359)
cam.xRotation -= 360;
cam.UpdateScreen();
}
if (keystate.IsKeyDown(Key.Up))
{
cam.yRotation -= 8;
if (cam.yRotation < 0)
cam.yRotation += 360;
if (cam.yRotation > 90 && cam.yRotation < 270)
cam.yRotation = 270;
cam.UpdateScreen();
}
if (keystate.IsKeyDown(Key.Down))
{
cam.yRotation += 8;
if (cam.yRotation > 359)
cam.yRotation -= 360;
if (cam.yRotation > 90 && cam.yRotation < 270)
cam.yRotation = 90;
cam.UpdateScreen();
}
if (keystate.IsKeyDown(Key.W))
{
cam.position += 0.1f * Vector3.Normalize(new Vector3(cam.direction.X, 0, cam.direction.Z));
}
if (keystate.IsKeyDown(Key.D))
{
cam.position += 0.1f * Vector3.Normalize(new Vector3(cam.right.X, 0, cam.right.Z));
}
if (keystate.IsKeyDown(Key.A))
{
cam.position += 0.1f * Vector3.Normalize(new Vector3(cam.left.X, 0, cam.left.Z));
}
if (keystate.IsKeyDown(Key.S))
{
cam.position -= 0.1f * Vector3.Normalize(new Vector3(cam.direction.X, 0, cam.direction.Z));
}
if (keystate.IsKeyDown(Key.Space))
{
cam.position.Y -= 0.15f;
}
if (keystate.IsKeyDown(Key.ShiftLeft))
{
cam.position.Y += 0.15f;
}
if (keystate.IsKeyDown(Key.R))
{
cam.Initialize();
}
if (keystate.IsKeyDown(Key.F))
{
if (cam.fov < 179)
{
cam.fov++;
cam.UpdateScreen();
}
}
if (keystate.IsKeyDown(Key.G))
{
if (cam.fov > 0)
{
cam.fov--;
cam.UpdateScreen();
}
}
if (keystate.IsKeyDown(Key.T))
{
Console.WriteLine("TestOutput");
}
}
