using System;
using System.Collections.Generic;
using System.Linq;

using System.Threading.Tasks;
using System.Drawing;
using Drawing3d;
using System.Windows.Forms;
namespace Example
{
    public partial class Form1 : Form
    {
        Timer timer = new Timer();
        OpenTK.GLControl Renderer = null;
        OpenGlDevice Device = null;
        public void Add()
        {
            Renderer = new OpenTK.GLControl();
            Device = new Drawing3d.OpenGlDevice(Renderer);
            Device.Draw += Device_Draw;
            Device.ContextCreated += Device_ContextCreated;
            Renderer.SizeChanged += Renderer_SizeChanged;
            Renderer.Dock = System.Windows.Forms.DockStyle.Fill;
            Renderer.Parent = this;
            Renderer.Paint += Renderer_Paint;
            Renderer.MouseDown += Renderer_MouseDown;
            Renderer.MouseMove += Renderer_MouseMove;
            Renderer.MouseUp += Renderer_MouseUp;
            Renderer.MouseWheel += Renderer_MouseWheel;
            Renderer.KeyPress += Renderer_KeyPress;
            Renderer.KeyUp += Renderer_KeyUp;
            Renderer.KeyDown += Renderer_KeyDown;
            timer.Enabled = true;
            timer.Interval = 20;
            timer.Tick += Timer_Tick;
        }

        

        private void Renderer_Paint(object sender, PaintEventArgs e)
        {
            Device.Refresh();

        }
        private void Renderer_KeyDown(object sender, KeyEventArgs e)
        {
            Device.OnKeyDown((Drawing3d.Keys)e.KeyCode);
        }

        private void Renderer_KeyUp(object sender, KeyEventArgs e)
        {
        
            Device.OnKeyUp((Drawing3d.Keys)e.KeyCode);
 
        }

        private void Renderer_KeyPress(object sender, KeyPressEventArgs e)
        {
            Device.OnKeyPress(e.KeyChar);
        }

        private void Device_ContextCreated(object sender, EventArgs e)
        {
          // wird aufgerufen, wenn ein gültiger Context creiert wurde
        }

        private void Timer_Tick(object sender, EventArgs e)
        {
            Device.Refresh();
        }
        private void Device_Draw(object sender, EventArgs e)
        {
            Device.drawSphere(4);
        }

        private void Renderer_MouseWheel(object sender, MouseEventArgs e)
        {
            Device.OnMouseWheel(Drawing3d.MouseButtons.Left, e.Delta, e.X, e.Y, 0);
        }

        private void Renderer_MouseUp(object sender, MouseEventArgs e)
        {
            Device.OnMouseUp(Drawing3d.MouseButtons.Left, 1, e.X, e.Y, 0);
        }

        private void Renderer_MouseMove(object sender, MouseEventArgs e)
        {
            Device.OnMouseMove(Drawing3d.MouseButtons.Left, 1, e.X, e.Y, 0);
        }

        private void Renderer_MouseDown(object sender, MouseEventArgs e)
        {
          Device.OnMouseDown(Drawing3d.MouseButtons.Left, 1, e.X, e.Y, 0);
        }

        private void Renderer_SizeChanged(object sender, EventArgs e)
        {
            Device.SizeChanged(Renderer.Width, Renderer.Height);
        }
    }
}