public void Run()
{
using (var w = new GameWindow(720, 480, null, "ComGr", GameWindowFlags.Default, DisplayDevice.Default, 4, 0, OpenTK.Graphics.GraphicsContextFlags.ForwardCompatible))
{
var projection = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, 1, 0.1f, 100);
w.KeyDown += _cameraHelper.OnKeyDown;
w.MouseWheel += _cameraHelper.OnMouseWheel;
w.Load += (o, ea) =>
{
//set up opengl
GL.ClearColor(0.5f, 0.5f, 0.5f, 0);
//GL.ClearDepth(1);
GL.Enable(EnableCap.DepthTest);
//GL.DepthFunc(DepthFunction.Less);
GL.Disable(EnableCap.CullFace);
GL.Enable(EnableCap.FramebufferSrgb);
_program = new GlProgram(@"Shaders\VertexShaderHeightMap.glsl", @"Shaders\FragmentShader.glsl");
//Textures
GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
_heigthMesh = new HeightMesh(@"Textures\MatterhornHeightMap.png", 500, _program);
_imageTexture = new ImageTexture(@"Textures\05.JPG");
{
//check for errors during all previous calls
var error = GL.GetError();
if (error != ErrorCode.NoError)
{
throw new Exception(error.ToString());
}
}
_program.Use();
GL.Uniform4(GL.GetUniformLocation(_program, "enviroment"), new Vector4(0f, 0f, 0f, 1));
GL.Uniform1(GL.GetUniformLocation(_program, "texture1"), _imageTexture);
};
w.UpdateFrame += (o, fea) =>
{
//perform logic
//time += fea.Time;
};
w.RenderFrame += (o, fea) =>
{
//clear screen and z-buffer
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.UniformMatrix4(GL.GetUniformLocation(_program, "p"), false, ref projection);
_heigthMesh.ViewModel = Matrix4.CreateRotationX(-(float)Math.PI / 2) * _cameraHelper.CameraMatrix;
_heigthMesh.Render();
//display
w.SwapBuffers();
var error = GL.GetError();
if (error != ErrorCode.NoError)
{
throw new Exception(error.ToString());
}
};
w.Resize += (o, ea) =>
{
var r = w.Width / (float)w.Height;
projection = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, r, 0.1f, 100);
GL.Viewport(w.ClientRectangle);
};
w.Run();
}
}
public void RotateXBy(float f)
{
transform *= Matrix4.CreateRotationX(f);
}