public static float ComputeOrientation(float orientation, GsVector direction, float turnSpeed)
{
float desiredAngle = (float)Math.Atan2(direction.Y, direction.X);
float difference = GsMath.WrapAngle(desiredAngle - orientation);
return(GsMath.WrapAngle(orientation + difference));
}
public override void Update(TimeSpan elapsed)
{
base.Update(elapsed);
if (Level == MaxLevel)
{
Orientation = Environment.TickCount / 1000f;
Orientation = GsMath.WrapAngle(Orientation);
}
}
public override void Update(TimeSpan elapsed)
{
// let the base do it's thing
base.Update(elapsed);
// spin around in a circle
Orientation += ((float)elapsed.TotalSeconds * RadiansPerSecond);
Orientation = GsMath.WrapAngle(Orientation);
}
protected void UpdateVariables(float elapsedSeconds)
{
//mScale += elapsedSeconds * ScalesPerSecond;
//Size = mOwnerBounds.Size * .5f * mScale;
// spin the projectile
Orientation += elapsedSeconds * RotationsPerSecond;
Orientation = GsMath.WrapAngle(Orientation);
}
private void AdjustOrientation()
{
if (TargetCell == null)
{
Orientation = (DijkstraKey == DijkstraType.LeftToRight) ? 0f : GsMath.PiOver2;
}
else
{
float dx = TargetCell.X - X;
float dy = TargetCell.Y - Y;
float desiredAngle = (float)Math.Atan2(dy, dx);
float difference = GsMath.WrapAngle(desiredAngle - Orientation);
Orientation = GsMath.WrapAngle(Orientation + difference);
}
}
