public static double GetVerticalSpeedFraction(
double angle,
ZeroDegreesDirection zeroDegreesDirection = ZeroDegreesDirection.Right,
int decimals = 3)
{
return(Math.Round(Math.Sin(ToRadians(angle + GetAdjustedAngle(zeroDegreesDirection))), decimals));
}
private static int GetAdjustedAngle(ZeroDegreesDirection zeroDegreesDirection)
{
return(zeroDegreesDirection switch
{
ZeroDegreesDirection.Top => 90,
ZeroDegreesDirection.Left => 180,
ZeroDegreesDirection.Bottom => 270,
ZeroDegreesDirection.Right => 0,
_ => throw new ArgumentOutOfRangeException(nameof(zeroDegreesDirection), zeroDegreesDirection, null)
});
/// <summary>Moves the object. Gravity needs to be positive (gets reverted within the method).</summary>
public void ApplyThrust(
Thrust thrust,
double gravity,
ZeroDegreesDirection zeroDegreesDirection = ZeroDegreesDirection.Top)
{
StateHistory.Add(State.Clone());
State.XSpeed += Trigonometry.GetHorizontalSpeedFraction(thrust.Rotation, zeroDegreesDirection) * thrust.Power;
State.YSpeed += Trigonometry.GetVerticalSpeedFraction(thrust.Rotation, zeroDegreesDirection) * thrust.Power -
gravity;
State.Power = thrust.Power;
State.X += State.XSpeed;
State.Y += State.YSpeed;
State.Rotation = thrust.Rotation;
}
