/// <summary> Start the class. Pass the GL window control, and the initial lookat/cameradirection and zoom.
/// Control if registration of mouse and keyboard UI is performed with GL window control
/// </summary>
public void Start(GLWindowControl win, Vector3 lookat, Vector3 cameradirdegrees, float zoomn, bool registermouseui = true, bool registerkeyui = true)
{
glwin = win;
win.Resize += glControl_Resize;
win.Paint += glControl_Paint;
if (registermouseui)
{
win.MouseDown += MouseDown;
win.MouseUp += MouseUp;
win.MouseMove += MouseMove;
win.MouseWheel += MouseWheel;
}
if (registerkeyui)
{
win.KeyDown += KeyDown;
win.KeyUp += KeyUp;
}
MatrixCalc.ResizeViewPort(this, win.Size); // inform matrix calc of window size
PosCamera.SetPositionZoom(lookat, new Vector2(cameradirdegrees.X, cameradirdegrees.Y), zoomn, cameradirdegrees.Z);
MatrixCalc.CalculateModelMatrix(PosCamera.LookAt, PosCamera.EyePosition, PosCamera.CameraRotation);
MatrixCalc.CalculateProjectionMatrix();
}
/// <summary> Set Perpective mode (true) or Othographic mode (false) </summary>
public void ChangePerspectiveMode(bool on)
{
MatrixCalc.InPerspectiveMode = on;
MatrixCalc.CalculateModelMatrix(PosCamera.LookAt, PosCamera.EyePosition, PosCamera.CameraRotation);
MatrixCalc.CalculateProjectionMatrix();
glwin.Invalidate();
}
// from the window, a resize event. Must have the correct context, if multiple, set glwin.EnsureCurrentPaintResize
private void glControl_Resize(object sender)
{
//System.Diagnostics.Debug.WriteLine("Controller3d Resize" + glwin.Size);
MatrixCalc.ResizeViewPort(this, glwin.Size);
MatrixCalc.CalculateModelMatrix(PosCamera.LookAt, PosCamera.EyePosition, PosCamera.CameraRotation); // non perspective viewport changes also can affect model matrix
MatrixCalc.CalculateProjectionMatrix();
glwin.Invalidate();
}
/// <summary> Recalculate matrix - only use if changed a fundamental in matrixcalc </summary>
public void RecalcMatrices()
{
MatrixCalc.CalculateModelMatrix(PosCamera.LookAt, PosCamera.EyePosition, PosCamera.CameraRotation);
MatrixCalc.CalculateProjectionMatrix();
}