public Renderer(GLControl context, WindowsFormsHost host)
{
m_control = context;
context.Width = (int)host.Width;
context.Height = (int)host.Height;
RenderableObjs = new List<IRenderable>();
Cam = new Camera();
SetUpViewport();
m_intervalTimer = new System.Windows.Forms.Timer();
m_intervalTimer.Interval = 16; // 60 FPS roughly
m_intervalTimer.Enabled = true;
m_intervalTimer.Tick += (args, o) =>
{
Vector2 mousePosGlobal = new Vector2(System.Windows.Forms.Control.MousePosition.X, System.Windows.Forms.Control.MousePosition.Y);
Vector2 glControlPosGlobal = new Vector2((float)host.PointToScreen(new Point(0, 0)).X, (float)host.PointToScreen(new Point(0, 0)).Y);
Input.Internal_SetMousePos(new Vector2(System.Windows.Forms.Control.MousePosition.X, System.Windows.Forms.Control.MousePosition.Y));
Input.Internal_UpdateInputState();
if (host.IsFocused)
{
Cam.Update();
}
Draw();
};
m_control.MouseUp += m_control_MouseUp;
m_control.MouseDown += m_control_MouseDown;
m_control.MouseMove += m_control_MouseMove;
host.KeyUp += host_KeyUp;
host.KeyDown += host_KeyDown;
host.LayoutUpdated += host_LayoutUpdated;
ProjectionMatrix = Matrix4.Identity;
}
/// <summary>
/// Creates a camera and sets up shaders for use in the viewport.
/// </summary>
private void SetUpViewport()
{
_programID = GL.CreateProgram();
Cam = new Camera();
int vertShaderId, fragShaderId;
LoadShader("vs.glsl", ShaderType.VertexShader, _programID, out vertShaderId);
LoadShader("fs.glsl", ShaderType.FragmentShader, _programID, out fragShaderId);
GL.DeleteShader(vertShaderId);
GL.DeleteShader(fragShaderId);
GL.BindAttribLocation(_programID, (int)ShaderAttributeIds.Position, "vertexPos");
GL.LinkProgram(_programID);
_uniformMVP = GL.GetUniformLocation(_programID, "modelview");
_uniformColor = GL.GetUniformLocation(_programID, "col");
if (GL.GetError() != ErrorCode.NoError)
Console.WriteLine(GL.GetProgramInfoLog(_programID));
}