/// <summary>
/// Update camera for mouse input.
/// </summary>
private static void UpdateForMouse(Camera3DBase actCamera, bool isControlKeyDown, MouseOrPointerState mouseState)
{
// Handle mouse move
if (mouseState.MoveDistanceDip != Vector2.Zero)
{
var moving = mouseState.MoveDistanceDip;
if (mouseState.IsButtonDown(MouseButton.Left) &&
mouseState.IsButtonDown(MouseButton.Right))
{
actCamera.Zoom(moving.Y / -50f);
}
else if (mouseState.IsButtonDown(MouseButton.Left))
{
actCamera.Strave(moving.X / 50f);
actCamera.UpDown(-moving.Y / 50f);
}
else if (mouseState.IsButtonDown(MouseButton.Right))
{
actCamera.Rotate(-moving.X / 200f, -moving.Y / 200f);
}
}
// Handle mouse wheel
if (mouseState.WheelDelta != 0)
{
var multiplier = 1f;
if (isControlKeyDown)
{
multiplier = 2f;
}
actCamera.Zoom(mouseState.WheelDelta / 100f * multiplier);
}
}
/// <summary>
/// Update camera for keyboard input.
/// </summary>
private static void UpdateForKeyboard(
Camera3DBase actCamera, KeyboardState actKeyboardState,
out bool isControlKeyDown)
{
// Define multiplier
var multiplier = 1f;
isControlKeyDown = false;
if (actKeyboardState.IsKeyDown(WinVirtualKey.ControlKey) ||
actKeyboardState.IsKeyDown(WinVirtualKey.LControlKey) ||
actKeyboardState.IsKeyDown(WinVirtualKey.RControlKey))
{
multiplier = 2f;
isControlKeyDown = true;
}
foreach (var actKey in actKeyboardState.KeysDown)
{
switch (actKey)
{
case WinVirtualKey.Up:
case WinVirtualKey.W:
actCamera.Zoom(MOVEMENT * multiplier);
break;
case WinVirtualKey.Down:
case WinVirtualKey.S:
actCamera.Zoom(-MOVEMENT * multiplier);
break;
case WinVirtualKey.Left:
case WinVirtualKey.A:
actCamera.Strave(-MOVEMENT * multiplier);
break;
case WinVirtualKey.Right:
case WinVirtualKey.D:
actCamera.Strave(MOVEMENT * multiplier);
break;
case WinVirtualKey.Q:
case WinVirtualKey.NumPad3:
actCamera.Move(new Vector3(0f, -MOVEMENT * multiplier, 0f));
break;
case WinVirtualKey.E:
case WinVirtualKey.NumPad9:
actCamera.Move(new Vector3(0f, MOVEMENT * multiplier, 0f));
break;
case WinVirtualKey.NumPad4:
actCamera.Rotate(ROTATION, 0f);
break;
case WinVirtualKey.NumPad2:
actCamera.Rotate(0f, -ROTATION);
break;
case WinVirtualKey.NumPad6:
actCamera.Rotate(-ROTATION, 0f);
break;
case WinVirtualKey.NumPad8:
actCamera.Rotate(0f, ROTATION);
break;
}
}
}
