public MapObject_ChasePoint_Forces GetChaseObject_Linear(IMapObject item)
{
if (!_isLinear)
{
throw new InvalidOperationException("This method can only be called when the control represents linear");
}
MapObject_ChasePoint_Forces retVal = new MapObject_ChasePoint_Forces(item, false);
//TODO: May want to expose these. I think they're unnecessary, and the result of overdesign
//retVal.MaxAcceleration =
//retVal.MaxForce =
List <ChasePoint_Force> forces = new List <ChasePoint_Force>();
foreach (UIElement entry in pnlForces.Children)
{
ChasePoint_Force chaseObject = null;
if (entry is ForceEntry)
{
chaseObject = ((ForceEntry)entry).GetChaseObject_Linear();
}
else
{
throw new ApplicationException("Unknown type of entry: " + entry.ToString());
}
//NOTE: Doing a null check, because if they uncheck enabled, it will come back null
if (chaseObject != null)
{
forces.Add(chaseObject);
}
}
if (forces.Count > 0)
{
retVal.Forces = forces.ToArray();
return(retVal);
}
else
{
// Don't bother returning something that will fail on update
return(null);
}
}
private static ChasePoint_Force[] GetRepelInitialForces(double powerMult = 1, double distMult = 1)
{
//Tuple<double,double>[] gradient = GetDropoffGradient(5, 10, 1);
Tuple<double, double>[] gradient = new[]
{
Tuple.Create(0d, 1d),
Tuple.Create(10d * distMult, 0d),
};
ChasePoint_Force repel = new ChasePoint_Force(ChaseDirectionType.Attract_Direction, ACCEL * -3 * powerMult, gradient: gradient);
gradient = new[]
{
Tuple.Create(0d, 1d),
Tuple.Create(1.5 * distMult, .7d),
Tuple.Create(3d * distMult, 0d),
};
ChasePoint_Force tooCloseAndHotFriction = new ChasePoint_Force(ChaseDirectionType.Drag_Velocity_AlongIfVelocityToward, ACCEL * 4 * powerMult, gradient: gradient);
return new[] { repel, tooCloseAndHotFriction };
}
