private void DoPresent()
{
var customPresent = CustomPresent;
if (customPresent != null)
{
var customPresentArgs = new CustomPresentEventArgs(_time);
customPresent(this, customPresentArgs);
if (!customPresentArgs.Handled)
{
Present(_time);
}
}
else
{
Present(_time);
}
}
private void OnCustomPresent(object sender, CustomPresentEventArgs e)
{
var time = e.Time;
if (!_isDragging)
{
_worldMatrix *= Matrix.CreateRotationY(-(float)time.ElapsedGameTime.Milliseconds / 1000f);
}
Clear();
Model model;
lock (_modelLock)
model = _model;
if (model != null)
{
// Draw the model. A model can have multiple meshes, so loop.
foreach (var mesh in model.Meshes)
{
// This is where the mesh orientation is set, as well
// as our camera and projection.
foreach (BasicEffect effect in mesh.Effects)
{
effect.EnableDefaultLighting();
effect.World = _worldMatrix;
effect.View = _viewMatrix;
effect.Projection = _projectionMatrix;
}
// Draw the mesh, using the effects set above.
mesh.Draw();
}
}
e.Handled = true;
}
