/// <summary>
/// Updates the rotation, if dirty, for the current object and returns
/// a status.
/// </summary>
/// <returns></returns>
protected virtual bool UpdateRotation()
{
if (!IsRotationDirty)
{
return(false);
}
Rotation = RoxMath.Euler(0.0f, _yRotation, 0.0f)
* RoxMath.Euler(_xRotation, 0.0f, 0.0f)
* RoxMath.Euler(0.0f, 0.0f, _zRotation);
_rotationMatrix = Rotation.Matrix4;
_dirty &= ~DirtyFlag.Rotation;
return(true);
}
private void InitInput()
{
Input.Subscribe('w', new Event(state => _forwardDown = state));
Input.Subscribe('a', new Event(state => _leftDown = state));
Input.Subscribe('s', new Event(state => _backDown = state));
Input.Subscribe('d', new Event(state => _rightDown = state));
Input.Subscribe('q', new Event(state => _upDown = state));
Input.Subscribe('e', new Event(state => _downDown = state));
RelativeMouse.Enabled = true;
const float SpeedReduction = 5.0f;
const float ClampY = 89.0f * RoxMath.ToRadians;
// Relative mouse movement handler (Mouse lock enabled)
RelativeMouse.AddListener((x, y) => {
// Aggregate x and y values -- Hard Constraint on +Y axis
_mouseX = _mouseX + (x / SpeedReduction);
_mouseY = RoxMath.Min(_mouseY + (y / SpeedReduction), _viewport.Height - 1.0f);
// Pull any out of bounds coordinates back into window coordinates
_mouseX = (_mouseX % _viewport.Width);
_mouseY = (_mouseY % _viewport.Height);
// Map to Window ratio
_lookRotation.X = (_mouseX / _viewport.Width) * RoxMath.TwoPi;
_lookRotation.Y = (_mouseY / _viewport.Height) * RoxMath.Pi;
// Constrain to:
// (-360, 360) for x-axis
// (-89, 89) for y-axis
_lookRotation.X = RoxMath.Clamp(_lookRotation.X, RoxMath.TwoPi);
_lookRotation.Y = RoxMath.Clamp(_lookRotation.Y, ClampY);
});
// TBD: Voxel modification
Window.OnMouseCallbacks.Add((b, s, x, y) => {
Console.WriteLine($"button: {b}, state: {s}, x: {x}, y: {y}");
return(true);
});
}
public static Vector3 ToEulerAngles(this Quaternion @this)
{
return(RoxMath.ToEuler(@this));
}