void handleCameraControls(GameTime gameTime)
{
int scrollWheelDelta = MouseStatus.ScrollwheelDelta;
if (scrollWheelDelta > 0 /* && kstate.IsKeyDown(Keys.LeftControl)*/)
{
float zoom = (float)Math.Round(Camera.Scale * 10) * 10.0f + 10.0f;
_mainForm.SetZoomComboText(zoom.ToString( ) + "%");
Camera.Scale = zoom / 100.0f;
}
if (scrollWheelDelta < 0 /* && kstate.IsKeyDown(Keys.LeftControl)*/)
{
float zoom = (float)Math.Round(Camera.Scale * 10) * 10.0f - 10.0f;
if (zoom <= 0.0f)
{
return;
}
_mainForm.SetZoomComboText(zoom.ToString( ) + "%");
Camera.Scale = zoom / 100.0f;
}
//Camera movement
float delta;
if (KeyboardStatus.IsKeyDown(Keys.LeftShift))
{
delta = Constants.Instance.CameraFastSpeed * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else
{
delta = Constants.Instance.CameraSpeed * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
bool leftControlKeyNotPressed = KeyboardStatus.IsKeyUp(Keys.LeftControl);
if (KeyboardStatus.IsKeyDown(Keys.W) && leftControlKeyNotPressed)
{
Camera.Position += (new Vector2(0, -delta));
}
if (KeyboardStatus.IsKeyDown(Keys.S) && leftControlKeyNotPressed)
{
Camera.Position += (new Vector2(0, +delta));
}
if (KeyboardStatus.IsKeyDown(Keys.A) && leftControlKeyNotPressed)
{
Camera.Position += (new Vector2(-delta, 0));
}
if (KeyboardStatus.IsKeyDown(Keys.D) && leftControlKeyNotPressed)
{
Camera.Position += (new Vector2(+delta, 0));
}
if (KeyboardStatus.IsKeyDown(Keys.Subtract))
{
var zoom = (float)(Camera.Scale * 0.995);
_mainForm.SetZoomComboText(textualRepresentationOfZoom(zoom));
Camera.Scale = zoom;
}
if (KeyboardStatus.IsKeyDown(Keys.Add))
{
var zoom = (float)(Camera.Scale * 1.005);
_mainForm.SetZoomComboText(textualRepresentationOfZoom(zoom));
Camera.Scale = zoom;
}
//get mouse world position considering the ScrollSpeed of the current layer
Vector2 maincameraposition = Camera.Position;
if (getLevel( ).ActiveLayer != null)
{
Camera.Position *= getLevel( ).ActiveLayer.ScrollSpeed;
}
MouseStatus.UpdateCamera(Camera);
MouseStatus.WorldPosition = Vector2.Transform(MouseStatus.ScreenPosition, Matrix.Invert(Camera.Matrix));
MouseStatus.WorldPosition = MouseStatus.WorldPosition.Round( );
_mainForm.SetToolStripStatusLabel3(
"Mouse: ({0}, {1})".FormatWith(MouseStatus.WorldPosition.X, MouseStatus.WorldPosition.Y));
Camera.Position = maincameraposition;
}