private void DoKeyboardRotation()
{
var keyboardRotationX = 0.0;
var keyboardRotationY = 0.0;
var keyboardRotationZ = 0.0;
if (_pressedKeys.Contains(_pitchUp))
{
keyboardRotationY = ApplicationConfiguration.KeyboardRotationDelta;
}
if (_pressedKeys.Contains(_pitchDown))
{
keyboardRotationY = -ApplicationConfiguration.KeyboardRotationDelta;
}
if (_pressedKeys.Contains(_yawUp))
{
keyboardRotationZ = ApplicationConfiguration.KeyboardRotationDelta;
}
if (_pressedKeys.Contains(_yawDown))
{
keyboardRotationZ = -ApplicationConfiguration.KeyboardRotationDelta;
}
if (_pressedKeys.Contains(_rollUp))
{
keyboardRotationX = ApplicationConfiguration.KeyboardRotationDelta;
}
if (_pressedKeys.Contains(_rollDown))
{
keyboardRotationX = -ApplicationConfiguration.KeyboardRotationDelta;
}
CameraViewModel.Rotate(keyboardRotationX, keyboardRotationY, keyboardRotationZ);
}
private void DoKeyboardMovement()
{
var delta = new Vector3D();
if (_pressedKeys.Contains(_forward))
{
delta += CameraViewModel.UnaryForward;
}
if (_pressedKeys.Contains(_backward))
{
delta -= CameraViewModel.UnaryForward;
}
if (_pressedKeys.Contains(_left))
{
delta += CameraViewModel.UnaryLeft;
}
if (_pressedKeys.Contains(_right))
{
delta -= CameraViewModel.UnaryLeft;
}
if (_pressedKeys.Contains(_up))
{
delta += CameraViewModel.UnaryUp;
}
if (_pressedKeys.Contains(_down))
{
delta -= CameraViewModel.UnaryUp;
}
CameraViewModel.Move(delta);
}
private void DoOrbitMovement()
{
var sphereCenter = new Point3D(0, 0, 0);
var mousePositionWhenButtonPressed = _pressedButtons[ApplicationConfiguration.OrbitMouseButton];
var vector = mousePositionWhenButtonPressed - _currentMousePosition;
if (vector.Length != 0)
{
vector.Normalize();
}
var rotationY = -vector.Y;
var rotationZ = vector.X;
var transformGroup = new Transform3DGroup
{
Children = new Transform3DCollection
{
new RotateTransform3D(new AxisAngleRotation3D(CameraViewModel.UnaryLeft, rotationY), sphereCenter),
new RotateTransform3D(new AxisAngleRotation3D(CameraViewModel.UnaryUp, rotationZ), sphereCenter)
}
};
//This does the orbiting
var newPosition = transformGroup.Transform(CameraViewModel.Position);
CameraViewModel.Move(newPosition);
//This makes the camera face the center of the sphere
CameraViewModel.LookAt(sphereCenter);
}
private void DoMouseWheelMovement()
{
if (_wheelDelta > 0)
{
_wheelDelta--;
CameraViewModel.Move(CameraViewModel.UnaryForward * ApplicationConfiguration.MouseWheelDelta);
}
else if (_wheelDelta < 0)
{
_wheelDelta++;
CameraViewModel.Move(-CameraViewModel.UnaryForward * ApplicationConfiguration.MouseWheelDelta);
}
}
private void DoMouseRotation()
{
var mousePositionWhenButtonPressed = _pressedButtons[ApplicationConfiguration.RotateMouseButton];
var vector = mousePositionWhenButtonPressed - _currentMousePosition;
if (vector.Length != 0)
{
vector.Normalize();
}
vector = vector * ApplicationConfiguration.MouseRotationDelta;
CameraViewModel.Rotate(0, -vector.Y, vector.X);
}
private void DoMousePanMovement()
{
var mousePositionWhenButtonPressed = _pressedButtons[ApplicationConfiguration.PanMouseButton];
var vector = mousePositionWhenButtonPressed - _currentMousePosition;
if (vector.Length != 0)
{
vector.Normalize();
}
var movementVector = CameraViewModel.UnaryUp * vector.Y + CameraViewModel.UnaryLeft * vector.X;
CameraViewModel.Move(movementVector * ApplicationConfiguration.MousePanDelta);
}
