private void GenerateDrawingAffectors(Vector3[] points, float affectorForce, float affectorDistance)
{
if (AffectorBuffer != null)
{
AffectorBuffer.Release();
}
System.Array.Resize(ref Affectors, NbAffectors + points.Length);
var new_affectors = points.Select(p => {
var affector = new GPUBoidAffector();
affector.position = p;
affector.force = affectorForce;
affector.distance = affectorDistance;
return(affector);
}).ToArray();
System.Array.Copy(new_affectors, 0, Affectors, NbAffectors, new_affectors.Length);
if (DrawDrawingAffectors)
{
foreach (var point in points)
{
var go = GameObject.CreatePrimitive(PrimitiveType.Sphere);
go.transform.localScale = new Vector3(1, 1, 1);
go.transform.position = point;
}
}
NbAffectors += points.Length;
AffectorBuffer = new ComputeBuffer(NbAffectors, 20);
AffectorBuffer.SetData(Affectors);
}
private void GenerateAffectors(float affectorForce, float affectorDistance)
{
var flockPosition = Target.transform.position;
if (AffectorBuffer != null)
{
AffectorBuffer.Release();
}
System.Array.Resize(ref Affectors, NbAffectors + NbAffectorsPerRay);
var rayDirection = Camera.main.ScreenPointToRay(Input.mousePosition).direction;
var rayStep = RayAffectorDistance / NbAffectorsPerRay;
var rayPosition = Camera.main.transform.position + rayDirection * Vector3.Distance(Camera.main.transform.position, Target.transform.position);
for (int i = NbAffectors; i < NbAffectors + NbAffectorsPerRay; i++)
{
var affector = new GPUBoidAffector();
affector.position = rayPosition;
affector.force = affectorForce;
affector.distance = affectorDistance;
Affectors[i] = affector;
GameObject.CreatePrimitive(PrimitiveType.Sphere).transform.position = rayPosition;
rayPosition += rayDirection * rayStep;
}
NbAffectors += NbAffectorsPerRay;
AffectorBuffer = new ComputeBuffer(NbAffectors, 20);
AffectorBuffer.SetData(Affectors);
}
