public void Update(double delta)
{
var mouseMovement = MouseHelper.GetMouseMovement();
TargetRotations += new Vector3(mouseMovement.Y * 0.001f, mouseMovement.X * 0.001f, 0);
Rotations = Vector3.Lerp(Rotations, TargetRotations, 0.25f);
EyeForward = ((Matrix4.CreateRotationY(Rotations.Y) *
Matrix4.CreateRotationX(Rotations.X)) * new Vector4(0, 0, -1, 0)).Xyz;
Forward = new Vector3((float)Math.Sin(Rotations.Y), 0, -(float)Math.Cos(Rotations.Y));
Right = new Vector3((float)Math.Sin(Rotations.Y + PION2), 0, -(float)Math.Cos(Rotations.Y + PION2));
var isShiftPressed = KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.ShiftLeft);
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.W) ||
KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.S) ||
KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.A) ||
KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.D) ||
KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.Space) ||
KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.ControlLeft))
{
var targetValocity = new Vector3(0);
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.W))
{
targetValocity += Forward * 5 * (isShiftPressed ? 20 : 1);
}
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.S))
{
targetValocity += -Forward * 5 * (isShiftPressed ? 20 : 1);
}
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.A))
{
targetValocity += -Right * 5 * (isShiftPressed ? 20 : 1);
}
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.D))
{
targetValocity += Right * 5 * (isShiftPressed ? 20 : 1);
}
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.Space))
{
targetValocity += UP * 7 * (isShiftPressed ? 20 : 1);
}
if (KeyboardHelper.GetKeyboardState().IsKeyDown(OpenTK.Input.Key.ControlLeft))
{
targetValocity += -UP * 7 * (isShiftPressed ? 20 : 1);
}
Velocity = Vector3.Lerp(Velocity, targetValocity, 0.2f);
}
else
{
Velocity *= 0.8f;
}
Position += Velocity * (float)delta;
}