private void SimulationTick()
{
const double ELAPSEDTIME = .5;
_ship.PrepareForNewTimerCycle();
#region Keyboard Forces
if (_isUpPressed)
{
FireThruster(ThrusterKey.Up);
}
if (_isDownPressed)
{
FireThruster(ThrusterKey.Down);
}
if (_isLeftPressed)
{
FireThruster(ThrusterKey.Left);
}
if (_isRightPressed)
{
FireThruster(ThrusterKey.Right);
}
if (_isAPressed)
{
FireThruster(ThrusterKey.A);
}
if (_isSPressed)
{
FireThruster(ThrusterKey.S);
}
if (_isDPressed)
{
FireThruster(ThrusterKey.D);
}
if (_isWPressed)
{
FireThruster(ThrusterKey.W);
}
#endregion
#region Pool Stick
if (_isMouseDown)
{
MyVector mouseDownWorld = pictureBox1.GetPositionViewToWorld(new MyVector(_mouseDownPoint));
MyVector curMouseWorld = pictureBox1.GetPositionViewToWorld(new MyVector(_curMousePoint));
pictureBox1.DrawLine(Color.Yellow, 1, mouseDownWorld, curMouseWorld);
pictureBox1.DrawLine(Color.Olive, 1, mouseDownWorld, _ship.Position + _ship.Rotation.GetRotatedVector(_ship.CenterOfMass, true));
}
if (_isMouseJustReleased)
{
_isMouseJustReleased = false;
MyVector mouseDownWorld = pictureBox1.GetPositionViewToWorld(new MyVector(_mouseDownPoint));
MyVector curMouseWorld = pictureBox1.GetPositionViewToWorld(new MyVector(_curMousePoint));
_ship.ApplyExternalForce(mouseDownWorld - _ship.Position, mouseDownWorld - curMouseWorld);
}
#endregion
#region Gravity
switch (_gravityMode)
{
case GravityMode.Down:
_ship.ExternalForce.Add(new MyVector(0, 100, 0));
break;
case GravityMode.Ball:
for (int gravCntr = 0; gravCntr < _gravityBalls.Count; gravCntr++)
{
RunGravityBall(ELAPSEDTIME, _gravityBalls[gravCntr], _gravityBallColors[gravCntr]);
}
break;
}
#endregion
_ship.TimerTestPosition(ELAPSEDTIME);
_ship.TimerFinish();
}
