protected override void OnRenderFrame(FrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
shader.Use();
controller.NewFrame(this);
ImGui.SliderFloat("Scale", ref scale, 0, 10);
ImGui.SliderFloat("Angle", ref angle, -3.14f, 3.14f);
ImGui.SliderFloat("Angle_z", ref angle_z, -3.14f, 3.14f);
ImGui.SliderFloat("Distance", ref dist, 0, 10.0f);
ImGui.Checkbox("Perspective", ref persp);
shader.SetUniform("scaleFactor", scale);
var model = Matrix4.CreateRotationY(angle) * Matrix4.CreateRotationX(angle_z) * Matrix4.CreateTranslation(0, 0, -dist);
shader.SetUniform("model", model);
//var projection = Matrix4.CreateOrthographic(10, 10, -2, 2);
//var projection = Matrix4.CreateOrthographicOffCenter(0, 1, 1, 0, -2, 2);
//var projection = Matrix4.CreatePerspectiveOffCenter(-500,1 , 1, -500, 0.1f, 100.0f);
var projection = persp
? Matrix4.CreatePerspectiveFieldOfView((float)(Math.PI / 2), (float)Width / Height, 0.1f, 100.0f)
: Matrix4.CreateOrthographic(10, 10, -7, 7);
shader.SetUniform("projection", projection);
//scale += 0.001f;
//GL.BindVertexArray(VertexArrayObject);
//GL.PointSize(50);
//GL.DrawArrays(PrimitiveType.Points, 0, 4);
GL.DrawElements(PrimitiveType.Triangles, mesh.Indeces.Length, DrawElementsType.UnsignedInt, 0);
controller.Render();
Context.SwapBuffers();
base.OnRenderFrame(e);
}
