/// <summary>
/// Read input from user and update lander position accordingly.
/// </summary>
public void CalculatePosition()
{
Vector thrustVector = new Vector();
Vector gravityVector = new Vector();
thrustVector.Y = (float)-0.1;
gravityVector.Y = (float)0.05;
if (SwinGame.KeyDown(KeyCode.vk_LEFT))
{
thrustVector.X = -1;
_lander.AddToVelocity(thrustVector);
_lander.Rotation = thrustVector.X;
}
else if (SwinGame.KeyDown(KeyCode.vk_RIGHT))
{
thrustVector.X = 1;
_lander.AddToVelocity(thrustVector);
_lander.Rotation = thrustVector.X;
}
else if (SwinGame.KeyDown(KeyCode.vk_UP))
{
_lander.AddToVelocity(thrustVector);
SwinGame.MoveSprite(_lander);
}
_lander.AddToVelocity(gravityVector);
}
