protected internal virtual void Draw(DeltaGameTime time, SpriteBatch spriteBatch)
{
if (TintEnabled)
{
spriteBatch.Draw(G.PixelTexture, G.ScreenArea, Tint);
}
if (_flashDuration > _flashElapsed)
{
Color temp = _flashColor *= _flashElapsed / _flashDuration;
spriteBatch.Draw(G.PixelTexture, G.ScreenArea, temp);
}
}
internal virtual void Update(DeltaGameTime time)
{
// are we following the tracking entity, the player, or the goal position?
if (IsTracking && Mode != CameraMode.FollowPlayer)
{
_position.X = MathHelper.SmoothStep(_position.X, Tracking.Position.X, _translationRate);
_position.Y = MathHelper.SmoothStep(_position.Y, Tracking.Position.Y, _translationRate);
}
else if (!IsTracking && _moveDuration > 0.0f)
{
if (_moveElapsed > _moveDuration)
{
_moveElapsed = 0;
_moveDuration = 0;
_desiredPosition = Vector2.Zero;
}
else
{
_moveElapsed += time.ElapsedSeconds;
float amount = MathHelper.Clamp(_moveElapsed / _moveDuration, 0.0f, 1.0f);
_position.X = MathHelper.SmoothStep(_position.X, _desiredPosition.X, amount);
_position.Y = MathHelper.SmoothStep(_position.Y, _desiredPosition.Y, amount);
}
}
UpdateShake(time.ElapsedSeconds);
UpdateScale(time.ElapsedSeconds);
if (BoundsEnabled)
{
_position.X = MathHelper.Clamp(_position.X + _shakeOffset.X, BoundedArea.Left + ViewingArea.Width / 2, BoundedArea.Right - ViewingArea.Width / 2);
_position.Y = MathHelper.Clamp(_position.Y + _shakeOffset.Y, BoundedArea.Top + ViewingArea.Height / 2, BoundedArea.Bottom - ViewingArea.Height / 2);
}
if (_flashDuration > _flashElapsed)
{
_flashElapsed += time.ElapsedSeconds;
}
else
{
_flashDuration = 0;
_flashElapsed = 0;
}
UpdateView();
UpdateProjection();
UpdateWorld();
}
