// updates the camera with user input
private void UpdateCamera(float delta, bool interacted)
{
camera.Update(delta);
if (InputManager.Instance.IsKeyDown(Keys.Up))
{
camera.TranslationTarget += new Vector2(0, -cameraTranslationSpeed) * delta;
}
if (InputManager.Instance.IsKeyDown(Keys.Down))
{
camera.TranslationTarget += new Vector2(0, cameraTranslationSpeed) * delta;
}
if (InputManager.Instance.IsKeyDown(Keys.Left))
{
camera.TranslationTarget += new Vector2(cameraTranslationSpeed, 0) * delta;
}
if (InputManager.Instance.IsKeyDown(Keys.Right))
{
camera.TranslationTarget += new Vector2(-cameraTranslationSpeed, 0) * delta;
}
if (!interacted)
{
// Panning
if (InputManager.Instance.OnMouseDown(MouseButton.Left))
{
cameraPanning = true;
cameraPanLastMouse = InputManager.Instance.MouseScreenPos().ToVector2() / camera.Zoom.X;
}
// Zoom
if (InputManager.Instance.ScrolledUp())
{
cameraPanning = false;
camera.ZoomTarget += Vector2.One * cameraZoomDelta * delta;
if (camera.ZoomTarget.X > cameraZoomMax.X)
{
camera.ZoomTarget = cameraZoomMax;
}
}
else if (InputManager.Instance.ScrolledDown())
{
cameraPanning = false;
camera.ZoomTarget -= Vector2.One * cameraZoomDelta * delta;
if (camera.ZoomTarget.X < cameraZoomMin.X)
{
camera.ZoomTarget = cameraZoomMin;
}
}
}
if (cameraPanning)
{
Vector2 curMouse = InputManager.Instance.MouseScreenPos().ToVector2() / camera.Zoom;
Vector2 diff = cameraPanLastMouse - curMouse;
camera.Translation = camera.TranslationTarget + diff;
camera.TranslationTarget = camera.Translation;
cameraPanLastMouse = curMouse;
if (InputManager.Instance.OnMouseUp(MouseButton.Left))
{
cameraPanning = false;
}
}
}