protected override void SolveInstance(IGH_DataAccess DA)
{
var points = new List <GH_Point>();
var vectors = new List <GH_Vector>();
var surface = new GH_Surface();
var dynamicsWrapped = new List <GH_ObjectWrapper>();
if (DA.GetDataList(0, points) && points == null)
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid point list. Operation canceled.");
return;
}
if (DA.GetDataList(1, vectors) && vectors == null)
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid vector list. Operation canceled.");
return;
}
// if vec field is empty, create parallel list of 0 vectors
if (vectors.Count == 0)
{
for (int i = 0; i < points.Count; i++)
{
vectors.Add(new GH_Vector());
}
}
if (DA.GetDataList(2, dynamicsWrapped) && dynamicsWrapped == null)
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid dynamics list. Operation canceled.");
return;
}
if (DA.GetData(3, ref surface) && surface == null)
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid surface. Operation canceled.");
return;
}
var dynamics = new List <IDynamic>();
foreach (var d in dynamicsWrapped)
{
dynamics.Add(d.Value as IDynamic);
}
Algos.SortDynamicsByPriority(dynamics);
Algos.ClearDynamics(dynamics);
foreach (var d in dynamics)
{
Algos.ProcessDynamics(d, points, vectors, surface);
}
Algos.RealignAccelerationVectors(dynamics, vectors);
DA.SetDataList(0, points);
DA.SetDataList(1, vectors);
}
private void UpdateWithDynamics(List <IDynamic> dynamics, DynamicSettings settings)
{
var points = new List <GH_Point>(particles.Count);
var vectors = new List <GH_Vector>(particles.Count);
for (int i = 0; i < particles.Count; i++)
{
points.Add(particles[i].Current.Point);
vectors.Add(new GH_Vector());
}
foreach (var d in dynamics)
{
// we need a new list of vectors each way through, which we add seperately to an end result
// otherwise acceleration can apply across dynamics in unintended ways
var tempVectors = new List <GH_Vector>(particles.Count);
for (int i = 0; i < particles.Count; i++)
{
tempVectors.Add(new GH_Vector());
}
// post processes use the cumulative vector list
// pre processes use the temporary empty vector list
if (d.PostProcess)
{
// vectors is modified inline so we don't need to update as below
Algos.ProcessDynamics(d, points, vectors, settings.surface);
}
else
{
Algos.ProcessDynamics(d, points, tempVectors, settings.surface);
for (int i = 0; i < particles.Count; i++)
{
vectors[i].Value += tempVectors[i].Value;
}
}
}
Algos.RealignAccelerationVectors(dynamics, vectors);
for (int i = 0; i < points.Count; i++)
{
points[i].Value += vectors[i].Value;
// update particles from resultant p/v's above
particles[i].Current.Point = points[i];
particles[i].Current.Vector = vectors[i];
}
}
public void Process(List <GH_Point> points, List <GH_Vector> vectors, GH_Surface surface)
{
var dynamicsWrapped = Param["D"] as List <GH_ObjectWrapper>;
var dynamics = new List <IDynamic>();
foreach (var d in dynamicsWrapped)
{
dynamics.Add(d.Value as IDynamic);
}
Algos.SortDynamicsByPriority(dynamics);
foreach (var d in dynamics)
{
Algos.ProcessDynamics(d, points, vectors, surface);
}
}